From 9fb92c5a651e01d531f450fb96ea9ca8c9af84af Mon Sep 17 00:00:00 2001
From: Patrick Jentsch <p.jentsch@uni-bielefeld.de>
Date: Thu, 7 Jan 2021 14:51:44 +0100
Subject: [PATCH] Bump Socket.IO Version and update to new List and Display
logic for live data
---
web/app/models.py | 2 +
web/app/static/js/nopaque/RessorceLists.js | 492 ++++++++++++++++++
.../static/js/nopaque/RessourceDisplays.js | 215 ++++++++
web/app/static/js/nopaque/index.js | 244 +++++++++
web/app/static/js/socket.io.min.js | 7 +
web/app/static/js/socket.io.min.js.map | 1 +
web/app/static/js/socket.io.slim.js | 9 -
web/app/static/js/socket.io.slim.js.map | 1 -
web/app/templates/corpora/corpus.html.j2 | 238 ++-------
web/app/templates/jobs/job.html.j2 | 311 ++++-------
web/app/templates/nopaque.html.j2 | 7 +-
web/requirements.txt | 3 +-
12 files changed, 1110 insertions(+), 420 deletions(-)
create mode 100644 web/app/static/js/nopaque/RessorceLists.js
create mode 100644 web/app/static/js/nopaque/RessourceDisplays.js
create mode 100644 web/app/static/js/nopaque/index.js
create mode 100644 web/app/static/js/socket.io.min.js
create mode 100644 web/app/static/js/socket.io.min.js.map
delete mode 100644 web/app/static/js/socket.io.slim.js
delete mode 100644 web/app/static/js/socket.io.slim.js.map
diff --git a/web/app/models.py b/web/app/models.py
index 6b7314ae..757e5f40 100644
--- a/web/app/models.py
+++ b/web/app/models.py
@@ -547,9 +547,11 @@ class Corpus(db.Model):
'id': self.id,
'user_id': self.user_id,
'creation_date': self.creation_date.timestamp(),
+ 'current_nr_of_tokens': self.current_nr_of_tokens,
'description': self.description,
'status': self.status,
'last_edited_date': self.last_edited_date.timestamp(),
+ 'max_nr_of_tokens': self.max_nr_of_tokens,
'title': self.title,
'files': {file.id: file.to_dict() for file in self.files}}
diff --git a/web/app/static/js/nopaque/RessorceLists.js b/web/app/static/js/nopaque/RessorceLists.js
new file mode 100644
index 00000000..47c0edb8
--- /dev/null
+++ b/web/app/static/js/nopaque/RessorceLists.js
@@ -0,0 +1,492 @@
+class RessourceList {
+ /* A wrapper class for the list.js list.
+ * This class is not meant to be used directly, instead it should be used as
+ * a base class for concrete ressource list implementations.
+ */
+ constructor(listElement, options = {}) {
+ if (listElement.dataset.userId) {
+ if (listElement.dataset.userId in nopaque.appClient.users) {
+ this.user = nopaque.appClient.users[listElement.dataset.userId];
+ } else {
+ console.error(`User not found: ${listElement.dataset.userId}`);
+ return;
+ }
+ } else {
+ this.user = nopaque.appClient.users.self;
+ }
+ this.list = new List(listElement, {...RessourceList.options, ...options});
+ this.list.list.innerHTML = `<tr class="show-if-only-child">
+ <td colspan="3">
+ <span class="card-title"><i class="left material-icons" style="font-size: inherit;">file_download</i>Nothing here...</span>
+ <p>No ressource available (yet).</p>
+ </td>
+ </tr>`;
+ }
+
+ eventHandler(eventType, payload) {
+ switch (eventType) {
+ case 'init':
+ this.init(payload);
+ break;
+ case 'patch':
+ this.patch(payload);
+ break;
+ default:
+ console.error(`Unknown event type: ${eventType}`);
+ break;
+ }
+ }
+
+ init(ressources) {
+ this.list.clear();
+ this.add(Object.values(ressources));
+ this.list.sort('id', {order: 'desc'});
+ }
+
+ patch(patch) {
+ /*
+ * It's not possible to generalize a patch Handler for all type of
+ * ressources. So this method is meant to be an interface.
+ */
+ console.error('patch method not implemented!');
+ }
+
+ add(values) {
+ let ressources = Array.isArray(values) ? values : [values];
+ if (typeof this.preprocessRessource === 'function') {
+ ressources = ressources.map(ressource => this.preprocessRessource(ressource));
+ }
+ // Set a callback function ('() => {return;}') to force List.js perform the
+ // add method asynchronous: https://listjs.com/api/#add
+ this.list.add(ressources, () => {return;});
+ }
+
+ remove(id) {
+ this.list.remove('id', id);
+ }
+
+ replace(id, valueName, newValue) {
+ this.list.get('id', id)[0].values({[valueName]: newValue});
+ }
+}
+RessourceList.options = {page: 5, pagination: [{innerWindow: 4, outerWindow: 1}]};
+
+
+class CorpusList extends RessourceList {
+ constructor(listElement, options = {}) {
+ super(listElement, {...CorpusList.options, ...options});
+ this.corpora = undefined;
+ this.user.eventListeners.corpus.addEventListener((eventType, payload) => this.eventHandler(eventType, payload));
+ listElement.addEventListener('click', event => this.onclick(event));
+ }
+
+ init(corpora) {
+ this.corpora = corpora;
+ super.init(corpora);
+ }
+
+ onclick(event) {
+ let ressourceElement = event.target.closest('tr');
+ if (ressourceElement === null) {return;}
+ let corpusId = ressourceElement.dataset.id;
+ let actionButtonElement = event.target.closest('.action-button');
+ let action = (actionButtonElement === null) ? 'view' : actionButtonElement.dataset.action;
+ switch (action) {
+ case 'analyse':
+ window.location.href = this.corpora[corpusId].analysis_url;
+ case 'delete':
+ let deleteModalHTML = `<div class="modal">
+ <div class="modal-content">
+ <h4>Confirm corpus deletion</h4>
+ <p>Do you really want to delete the corpus <b>${this.corpora[corpusId].title}</b>? All files will be permanently deleted!</p>
+ </div>
+ <div class="modal-footer">
+ <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
+ <a class="btn modal-close red waves-effect waves-light" href="${this.corpora[corpusId].url}/delete"><i class="material-icons left">delete</i>Delete</a>
+ </div>
+ </div>`;
+ let deleteModalParentElement = document.querySelector('main');
+ deleteModalParentElement.insertAdjacentHTML('beforeend', deleteModalHTML);
+ let deleteModalElement = deleteModalParentElement.lastChild;
+ let deleteModal = M.Modal.init(deleteModalElement, {onCloseEnd: () => {deleteModal.destroy(); deleteModalElement.remove();}});
+ deleteModal.open();
+ break;
+ case 'view':
+ // TODO: handle unprepared corpora
+ window.location.href = this.corpora[corpusId].url;
+ break;
+ default:
+ console.error(`Unknown action: ${action}`);
+ break;
+ }
+ }
+
+ patch(patch) {
+ let id, match, re, valueName;
+ for (let operation of patch) {
+ switch(operation.op) {
+ case 'add':
+ // Matches the only paths that should be handled here: /corpora/{corpusId}
+ re = /^\/corpora\/(\d+)$/;
+ if (re.test(operation.path)) {this.add(operation.value);}
+ break;
+ case 'remove':
+ // See case 'add' ;)
+ re = /^\/corpora\/(\d+)$/;
+ if (re.test(operation.path)) {
+ [match, id] = operation.path.match(re);
+ this.remove(id);
+ }
+ break;
+ case 'replace':
+ // Matches the only paths that should be handled here: /corpora/{corpusId}/{status || description || title}
+ re = /^\/corpora\/(\d+)\/(status|description|title)$/;
+ if (re.test(operation.path)) {
+ [match, id, valueName] = operation.path.match(re);
+ this.replace(id, valueName, operation.value);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ preprocessRessource(corpus) {
+ return {id: corpus.id,
+ status: corpus.status,
+ description: corpus.description,
+ title: corpus.title};
+ }
+}
+CorpusList.options = {
+ item: `<tr>
+ <td><a class="btn-floating disabled"><i class="material-icons">book</i></a></td>
+ <td><b class="title"></b><br><i class="description"></i></td>
+ <td><span class="badge new status" data-badge-caption=""></span></td>
+ <td class="right-align">
+ <a class="action-button btn-floating red tooltipped waves-effect waves-light" data-action="delete" data-position="top" data-tooltip="Delete"><i class="material-icons">delete</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="analyse" data-position="top" data-tooltip="Analyse"><i class="material-icons">search</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="view" data-position="top" data-tooltip="View"><i class="material-icons">send</i></a>
+ </td>
+ </tr>`,
+ valueNames: [{data: ['id']}, {name: 'status', attr: 'data-status'}, 'description', 'title']
+};
+
+
+class CorpusFileList extends RessourceList {
+ constructor(listElement, options = {}) {
+ super(listElement, {...CorpusFileList.options, ...options});
+ this.corpus = undefined;
+ this.user.eventListeners.corpus.addEventListener((eventType, payload) => this.eventHandler(eventType, payload), listElement.dataset.corpusId);
+ listElement.addEventListener('click', event => this.onclick(event));
+ }
+
+ init(corpus) {
+ this.corpus = corpus;
+ super.init(this.corpus.files);
+ }
+
+ onclick(event) {
+ let ressourceElement = event.target.closest('tr');
+ if (ressourceElement === null) {return;}
+ let corpusFileId = ressourceElement.dataset.id;
+ let actionButtonElement = event.target.closest('.action-button');
+ if (actionButtonElement === null) {return;}
+ let action = actionButtonElement === null ? 'view' : actionButtonElement.dataset.action;
+ switch (action) {
+ case 'delete':
+ let deleteModalHTML = `<div class="modal">
+ <div class="modal-content">
+ <h4>Confirm corpus deletion</h4>
+ <p>Do you really want to delete the corpus file <b>${this.corpus.files[corpusFileId].filename}</b>? It will be permanently deleted!</p>
+ </div>
+ <div class="modal-footer">
+ <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
+ <a class="btn modal-close red waves-effect waves-light" href="${this.corpus.files[corpusFileId].url}/delete"><i class="material-icons left">delete</i>Delete</a>
+ </div>
+ </div>`;
+ let deleteModalParentElement = document.querySelector('main');
+ deleteModalParentElement.insertAdjacentHTML('beforeend', deleteModalHTML);
+ let deleteModalElement = deleteModalParentElement.lastChild;
+ let deleteModal = M.Modal.init(deleteModalElement, {onCloseEnd: () => {deleteModal.destroy(); deleteModalElement.remove();}});
+ deleteModal.open();
+ break;
+ case 'download':
+ window.location.href = this.corpus.files[corpusFileId].download_url;
+ break;
+ case 'view':
+ window.location.href = this.corpus.files[corpusFileId].url;
+ break;
+ default:
+ console.error(`Unknown action: "${action}"`);
+ break;
+ }
+ }
+
+ patch(patch) {
+ let re;
+ for (let operation of patch) {
+ switch(operation.op) {
+ case 'add':
+ // Matches the only paths that should be handled here: /corpora/{this.corpus.id}/files/{corpusFileId}
+ re = new RegExp('^/corpora/' + this.corpus.id + '/files/(\\d+)$');
+ if (re.test(operation.path)) {this.add(operation.value);}
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ preprocessRessource(corpusFile) {
+ return {id: corpusFile.id, author: corpusFile.author, filename: corpusFile.filename, 'publishing-year': corpusFile.publishing_year, title: corpusFile.title};
+ }
+}
+CorpusFileList.options = {
+ item: `<tr>
+ <td><span class="filename"></span></td>
+ <td><span class="author"></span></td>
+ <td><span class="title"></span></td>
+ <td><span class="publishing-year"></span></td>
+ <td class="right-align">
+ <a class="action-button btn-floating red tooltipped waves-effect waves-light" data-action="delete" data-position="top" data-tooltip="Delete"><i class="material-icons">delete</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="download" data-position="top" data-tooltip="View"><i class="material-icons">file_download</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="view" data-position="top" data-tooltip="View"><i class="material-icons">send</i></a>
+ </td>
+ </tr>`,
+ valueNames: [{data: ['id']}, 'author', 'filename', 'publishing-year', 'title']
+};
+
+
+class JobList extends RessourceList {
+ constructor(listElement, options = {}) {
+ super(listElement, {...JobList.options, ...options});
+ this.user.eventListeners.job.addEventListener((eventType, payload) => this.eventHandler(eventType, payload));
+ listElement.addEventListener('click', event => this.onclick(event));
+ }
+
+ onclick(event) {
+ let ressourceElement = event.target.closest('tr');
+ if (ressourceElement === null) {return;}
+ let jobId = ressourceElement.dataset.id;
+ let actionButtonElement = event.target.closest('.action-button');
+ let action = actionButtonElement === null ? 'view' : actionButtonElement.dataset.action;
+ switch (action) {
+ case 'delete':
+ let deleteModalHTML = `<div class="modal">
+ <div class="modal-content">
+ <h4>Confirm job deletion</h4>
+ <p>Do you really want to delete the job <b>${this.user.data.jobs[jobId].title}</b>? All files will be permanently deleted!</p>
+ </div>
+ <div class="modal-footer">
+ <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
+ <a class="btn modal-close red waves-effect waves-light" href="${this.user.data.jobs[jobId].url}/delete"><i class="material-icons left">delete</i>Delete</a>
+ </div>
+ </div>`;
+ let deleteModalParentElement = document.querySelector('main');
+ deleteModalParentElement.insertAdjacentHTML('beforeend', deleteModalHTML);
+ let deleteModalElement = deleteModalParentElement.lastChild;
+ let deleteModal = M.Modal.init(deleteModalElement, {onCloseEnd: () => {deleteModal.destroy(); deleteModalElement.remove();}});
+ deleteModal.open();
+ break;
+ case 'view':
+ window.location.href = this.user.data.jobs[jobId].url;
+ break;
+ default:
+ console.error(`Unknown action: "${action}"`);
+ break;
+ }
+ }
+
+ patch(patch) {
+ let id, match, re, valueName;
+ for (let operation of patch) {
+ switch(operation.op) {
+ case 'add':
+ // Matches the only paths that should be handled here: /jobs/{jobId}
+ re = /^\/jobs\/(\d+)$/;
+ if (re.test(operation.path)) {this.add(operation.value);}
+ break;
+ case 'remove':
+ // See case add ;)
+ re = /^\/jobs\/(\d+)$/;
+ if (re.test(operation.path)) {
+ [match, id] = operation.path.match(re);
+ this.remove(id);
+ }
+ break;
+ case 'replace':
+ // Matches the only paths that should be handled here: /jobs/{jobId}/{service || status || description || title}
+ re = /^\/jobs\/(\d+)\/(status|description|title)$/;
+ if (re.test(operation.path)) {
+ [match, id, valueName] = operation.path.match(re);
+ this.replace(id, valueName, operation.value);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ preprocessRessource(job) {
+ return {id: job.id,
+ service: job.service,
+ status: job.status,
+ description: job.description,
+ title: job.title};
+ }
+}
+JobList.options = {
+ item: `<tr>
+ <td><a class="btn-floating disabled"><i class="material-icons service"></i></a></td>
+ <td><b class="title"></b><br><i class="description"></i></td>
+ <td><span class="badge new status" data-badge-caption=""></span></td>
+ <td class="right-align">
+ <a class="action-button btn-floating red tooltipped waves-effect waves-light" data-action="delete" data-position="top" data-tooltip="Delete"><i class="material-icons">delete</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="view" data-position="top" data-tooltip="View"><i class="material-icons">send</i></a>
+ </td>
+ </tr>`,
+ valueNames: [{data: ['id']}, {name: 'service', attr: 'data-service'}, {name: 'status', attr: 'data-status'}, 'description', 'title']
+};
+
+
+class JobInputList extends RessourceList {
+ constructor(listElement, options = {}) {
+ super(listElement, {...JobInputList.options, ...options});
+ this.job = undefined;
+ this.user.eventListeners.job.addEventListener((eventType, payload) => this.eventHandler(eventType, payload), listElement.dataset.jobId);
+ listElement.addEventListener('click', event => this.onclick(event));
+ }
+
+ init(job) {
+ this.job = job;
+ super.init(this.job.inputs);
+ }
+
+ onclick(event) {
+ let ressourceElement = event.target.closest('tr');
+ if (ressourceElement === null) {return;}
+ let jobInputId = ressourceElement.dataset.id;
+ let actionButtonElement = event.target.closest('.action-button');
+ if (actionButtonElement === null) {return;}
+ let action = actionButtonElement.dataset.action;
+ switch (action) {
+ case 'download':
+ window.location.href = this.job.inputs[jobInputId].download_url;
+ break;
+ default:
+ console.error(`Unknown action: "${action}"`);
+ break;
+ }
+ }
+
+ preprocessRessource(jobInput) {
+ return {id: jobInput.id, filename: jobInput.filename};
+ }
+}
+JobInputList.options = {
+ item: `<tr>
+ <td><span class="filename"></span></td>
+ <td class="right-align">
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="download" data-position="top" data-tooltip="View"><i class="material-icons">file_download</i></a>
+ </td>
+ </tr>`,
+ valueNames: [{data: ['id']}, 'filename']
+};
+
+
+class JobResultList extends RessourceList {
+ constructor(listElement, options = {}) {
+ super(listElement, {...JobResultList.options, ...options});
+ this.job = undefined;
+ this.user.eventListeners.job.addEventListener((eventType, payload) => this.eventHandler(eventType, payload), listElement.dataset.jobId);
+ listElement.addEventListener('click', event => this.onclick(event));
+ }
+
+ init(job) {
+ this.job = job;
+ super.init(this.job.results);
+ }
+
+ onclick(event) {
+ let ressourceElement = event.target.closest('tr');
+ if (ressourceElement === null) {return;}
+ let jobResultId = ressourceElement.dataset.id;
+ let actionButtonElement = event.target.closest('.action-button');
+ if (actionButtonElement === null) {return;}
+ let action = actionButtonElement.dataset.action;
+ switch (action) {
+ case 'download':
+ window.location.href = this.job.results[jobResultId].download_url;
+ break;
+ default:
+ console.error(`Unknown action: "${action}"`);
+ break;
+ }
+ }
+
+ patch(patch) {
+ let re;
+ for (let operation of patch) {
+ switch(operation.op) {
+ case 'add':
+ // Matches the only paths that should be handled here: /jobs/{this.job.id}/results/{jobResultId}
+ re = new RegExp('^/jobs/' + this.job.id + '/results/(\\d+)$');
+ if (re.test(operation.path)) {this.add(operation.value);}
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ preprocessRessource(jobResult) {
+ let description;
+ if (jobResult.filename.endsWith('.pdf.zip')) {
+ description = 'PDF files with text layer';
+ } else if (jobResult.filename.endsWith('.txt.zip')) {
+ description = 'Raw text files';
+ } else if (jobResult.filename.endsWith('.vrt.zip')) {
+ description = 'VRT compliant files including the NLP data';
+ } else if (jobResult.filename.endsWith('.xml.zip')) {
+ description = 'TEI compliant files';
+ } else if (jobResult.filename.endsWith('.poco.zip')) {
+ description = 'HOCR and image files for post correction (PoCo)';
+ } else {
+ description = 'All result files created during this job';
+ }
+ return {id: jobResult.id, description: description, filename: jobResult.filename};
+ }
+}
+JobResultList.options = {
+ item: `<tr>
+ <td><span class="description"></span></td>
+ <td><span class="filename"></span></td>
+ <td class="right-align">
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="download" data-position="top" data-tooltip="View"><i class="material-icons">file_download</i></a>
+ </td>
+ </tr>`,
+ valueNames: [{data: ['id']}, 'description', 'filename']
+};
+
+
+class QueryResultList extends RessourceList {
+ constructor(listElement, options = {}) {
+ super(listElement, {...QueryResultList.options, ...options});
+ this.user.eventListeners.queryResult.addEventListener((eventType, payload) => this.eventHandler(eventType, payload));
+ }
+}
+QueryResultList.options = {
+ item: `<tr>
+ <td><b class="title"></b><br><i class="description"></i><br></td>
+ <td><span class="corpus_title"></span><br><span class="query"></span></td>
+ <td class="right-align">
+ <a class="action-button btn-floating red tooltipped waves-effect waves-light" data-action="delete" data-position="top" data-tooltip="Delete"><i class="material-icons">delete</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="view" data-position="top" data-tooltip="View"><i class="material-icons">send</i></a>
+ <a class="action-button btn-floating tooltipped waves-effect waves-light" data-action="analyse" data-position="top" data-tooltip="Analyse"><i class="material-icons">search</i></a>
+ </td>
+ </tr>`,
+ valueNames: [{data: ['id']}, 'corpus_title', 'description', 'query', 'title']
+};
diff --git a/web/app/static/js/nopaque/RessourceDisplays.js b/web/app/static/js/nopaque/RessourceDisplays.js
new file mode 100644
index 00000000..67bb7caf
--- /dev/null
+++ b/web/app/static/js/nopaque/RessourceDisplays.js
@@ -0,0 +1,215 @@
+class RessourceDisplay {
+ constructor(displayElement) {
+ if (displayElement.dataset.userId) {
+ if (displayElement.dataset.userId in nopaque.appClient.users) {
+ this.user = nopaque.appClient.users[displayElement.dataset.userId];
+ } else {
+ console.error(`User not found: ${displayElement.dataset.userId}`);
+ return;
+ }
+ } else {
+ this.user = nopaque.appClient.users.self;
+ }
+ this.displayElement = displayElement;
+ }
+
+ eventHandler(eventType, payload) {
+ switch (eventType) {
+ case 'init':
+ this.init(payload);
+ break;
+ case 'patch':
+ this.patch(payload);
+ break;
+ default:
+ console.log(`Unknown event type: ${eventType}`);
+ break;
+ }
+ }
+
+ init() {console.error('init method not implemented!');}
+
+ patch() {console.error('patch method not implemented!');}
+
+ setElement(element, value) {
+ switch (element.tagName) {
+ case 'INPUT':
+ element.value = value;
+ M.updateTextFields();
+ break;
+ default:
+ element.innerText = value;
+ break;
+ }
+ }
+}
+
+
+class CorpusDisplay extends RessourceDisplay {
+ constructor(displayElement) {
+ super(displayElement);
+ this.corpus = undefined;
+ this.user.eventListeners.corpus.addEventListener((eventType, payload) => this.eventHandler(eventType, payload), displayElement.dataset.corpusId);
+ }
+
+ init(corpus) {
+ this.corpus = corpus;
+ this.setCreationDate(this.corpus.creation_date);
+ this.setDescription(this.corpus.description);
+ this.setLastEditedDate(this.corpus.last_edited_date);
+ this.setStatus(this.corpus.status);
+ this.setTitle(this.corpus.title);
+ this.setTokenRatio(this.corpus.current_nr_of_tokens, this.corpus.max_nr_of_tokens);
+ }
+
+ patch(patch) {
+ let re;
+ for (let operation of patch) {
+ switch(operation.op) {
+ case 'replace':
+ // Matches: /jobs/{this.job.id}/status
+ re = new RegExp('^/corpora/' + this.corpus.id + '/last_edited_date');
+ if (re.test(operation.path)) {this.setLastEditedDate(operation.value); break;}
+ // Matches: /jobs/{this.job.id}/status
+ re = new RegExp('^/corpora/' + this.corpus.id + '/status$');
+ if (re.test(operation.path)) {this.setStatus(operation.value); break;}
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ setTitle(title) {
+ for (let element of this.displayElement.querySelectorAll('.corpus-title')) {this.setElement(element, title);}
+ }
+
+ setTokenRatio(currentNrOfTokens, maxNrOfTokens) {
+ let tokenRatio = `${currentNrOfTokens}/${maxNrOfTokens}`;
+ for (let element of this.displayElement.querySelectorAll('.corpus-token-ratio')) {this.setElement(element, tokenRatio);}
+ }
+
+ setDescription(description) {
+ for (let element of this.displayElement.querySelectorAll('.corpus-description')) {this.setElement(element, description);}
+ }
+
+ setStatus(status) {
+ for (let element of this.displayElement.querySelectorAll('.corpus-status')) {this.setElement(element, status);}
+ for (let element of this.displayElement.querySelectorAll('.status')) {element.dataset.status = status;}
+ for (let element of this.displayElement.querySelectorAll('.status-spinner')) {
+ if (['complete', 'failed', 'unprepared'].includes(status)) {
+ element.classList.add('hide');
+ } else {
+ element.classList.remove('hide');
+ }
+ }
+ for (let element of this.displayElement.querySelectorAll('.build-corpus-trigger')) {
+ if (['complete', 'failed'].includes(status)) {
+ element.classList.remove('hide');
+ } else {
+ element.classList.add('hide');
+ }
+ }
+ }
+
+ setCreationDate(creationDateTimestamp) {
+ let creationDate = new Date(creationDateTimestamp * 1000).toLocaleString("en-US");
+ for (let element of this.displayElement.querySelectorAll('.corpus-creation-date')) {this.setElement(element, creationDate);}
+ }
+
+ setLastEditedDate(endDateTimestamp) {
+ let endDate = new Date(endDateTimestamp * 1000).toLocaleString("en-US");
+ for (let element of this.displayElement.querySelectorAll('.corpus-end-date')) {this.setElement(element, endDate);}
+ }
+}
+
+
+
+class JobDisplay extends RessourceDisplay {
+ constructor(displayElement) {
+ super(displayElement);
+ this.job = undefined;
+ this.user.eventListeners.job.addEventListener((eventType, payload) => this.eventHandler(eventType, payload), displayElement.dataset.jobId);
+ }
+
+ init(job) {
+ this.job = job;
+ this.setCreationDate(this.job.creation_date);
+ this.setEndDate(this.job.creation_date);
+ this.setDescription(this.job.description);
+ this.setService(this.job.service);
+ this.setServiceArgs(this.job.service_args);
+ this.setServiceVersion(this.job.service_version);
+ this.setStatus(this.job.status);
+ this.setTitle(this.job.title);
+ }
+
+ patch(patch) {
+ let re;
+ for (let operation of patch) {
+ switch(operation.op) {
+ case 'replace':
+ // Matches: /jobs/{this.job.id}/status
+ re = new RegExp('^/jobs/' + this.job.id + '/end_date');
+ if (re.test(operation.path)) {this.setEndDate(operation.value); break;}
+ // Matches: /jobs/{this.job.id}/status
+ re = new RegExp('^/jobs/' + this.job.id + '/status$');
+ if (re.test(operation.path)) {this.setStatus(operation.value); break;}
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ setTitle(title) {
+ for (let element of this.displayElement.querySelectorAll('.job-title')) {this.setElement(element, title);}
+ }
+
+ setDescription(description) {
+ for (let element of this.displayElement.querySelectorAll('.job-description')) {this.setElement(element, description);}
+ }
+
+ setStatus(status) {
+ for (let element of this.displayElement.querySelectorAll('.job-status')) {
+ this.setElement(element, status);
+ }
+ for (let element of this.displayElement.querySelectorAll('.status')) {element.dataset.status = status;}
+ for (let element of this.displayElement.querySelectorAll('.status-spinner')) {
+ if (['complete', 'failed'].includes(status)) {
+ element.classList.add('hide');
+ } else {
+ element.classList.remove('hide');
+ }
+ }
+ for (let element of this.displayElement.querySelectorAll('.restart-job-trigger')) {
+ if (['complete', 'failed'].includes(status)) {
+ element.classList.remove('hide');
+ } else {
+ element.classList.add('hide');
+ }
+ }
+ }
+
+ setCreationDate(creationDateTimestamp) {
+ let creationDate = new Date(creationDateTimestamp * 1000).toLocaleString("en-US");
+ for (let element of this.displayElement.querySelectorAll('.job-creation-date')) {this.setElement(element, creationDate);}
+ }
+
+ setEndDate(endDateTimestamp) {
+ let endDate = new Date(endDateTimestamp * 1000).toLocaleString("en-US");
+ for (let element of this.displayElement.querySelectorAll('.job-end-date')) {this.setElement(element, endDate);}
+ }
+
+ setService(service) {
+ for (let element of this.displayElement.querySelectorAll('.job-service')) {this.setElement(element, service);}
+ }
+
+ setServiceArgs(serviceArgs) {
+ for (let element of this.displayElement.querySelectorAll('.job-service-args')) {this.setElement(element, serviceArgs);}
+ }
+
+ setServiceVersion(serviceVersion) {
+ for (let element of this.displayElement.querySelectorAll('.job-service-version')) {this.setElement(element, serviceVersion);}
+ }
+}
diff --git a/web/app/static/js/nopaque/index.js b/web/app/static/js/nopaque/index.js
new file mode 100644
index 00000000..1bf3561c
--- /dev/null
+++ b/web/app/static/js/nopaque/index.js
@@ -0,0 +1,244 @@
+class AppClient {
+ constructor(currentUserId) {
+ this.socket = io({transports: ['websocket']});
+ this.users = {};
+ this.users.self = this.loadUser(currentUserId);
+ }
+
+ loadUser(userId) {
+ if (userId in this.users) {return this.users[userId];}
+ let user = new User();
+ this.users[userId] = user;
+ this.socket.on(`user_${userId}_init`, msg => user.init(JSON.parse(msg)));
+ this.socket.on(`user_${userId}_patch`, msg => user.patch(JSON.parse(msg)));
+ this.socket.emit('start_user_session', userId);
+ return user;
+ }
+}
+
+
+class User {
+ constructor() {
+ this.data = undefined;
+ this.eventListeners = {
+ corpus: {
+ addEventListener(listener, corpusId='*') {
+ if (corpusId in this) {this[corpusId].push(listener);} else {this[corpusId] = [listener];}
+ }
+ },
+ job: {
+ addEventListener(listener, jobId='*') {
+ if (jobId in this) {this[jobId].push(listener);} else {this[jobId] = [listener];}
+ }
+ },
+ queryResult: {
+ addEventListener(listener, queryResultId='*') {
+ if (queryResultId in this) {this[queryResultId].push(listener);} else {this[queryResultId] = [listener];}
+ }
+ }
+ };
+ }
+
+ init(data) {
+ this.data = data;
+
+ if (Object.keys(this.data.corpora).length > 0) {
+ //for (listener of this.eventListeners.corporaInit) {listener(this.data.corpora);}
+ for (let [corpusId, eventListeners] of Object.entries(this.eventListeners.corpus)) {
+ if (corpusId === '*') {
+ for (let eventListener of eventListeners) {eventListener('init', this.data.corpora);}
+ } else {
+ if (corpusId in this.data.corpora) {
+ for (let eventListener of eventListeners) {eventListener('init', this.data.corpora[corpusId]);}
+ }
+ }
+ }
+ }
+
+ if (Object.keys(this.data.jobs).length > 0) {
+ //for (listener of this.eventListeners.jobsInit) {listener(this.data.jobs);}
+ for (let [jobId, eventListeners] of Object.entries(this.eventListeners.job)) {
+ if (jobId === '*') {
+ for (let eventListener of eventListeners) {eventListener('init', this.data.jobs);}
+ } else {
+ if (jobId in this.data.jobs) {
+ for (let eventListener of eventListeners) {eventListener('init', this.data.jobs[jobId]);}
+ }
+ }
+ }
+ }
+
+ if (Object.keys(this.data.query_results).length > 0) {
+ //for (listener of this.eventListeners.queryResultsInit) {listener(this.data.query_results);}
+ for (let [queryResultId, eventListeners] of Object.entries(this.eventListeners.queryResult)) {
+ if (queryResultId === '*') {
+ for (let eventListener of eventListeners) {eventListener('init', this.data.query_results);}
+ } else {
+ if (queryResultId in this.data.query_results) {
+ for (let eventListener of eventListeners) {eventListener('init', this.data.query_results[queryResultId]);}
+ }
+ }
+ }
+ }
+ }
+
+ patch(patch) {
+ this.data = jsonpatch.apply_patch(this.data, patch);
+
+ let corporaPatch = patch.filter(operation => operation.path.startsWith("/corpora"));
+ if (corporaPatch.length > 0) {
+ for (let [corpusId, eventListeners] of Object.entries(this.eventListeners.corpus)) {
+ if (corpusId === '*') {
+ for (let eventListener of eventListeners) {eventListener('patch', corporaPatch);}
+ } else {
+ let corpusPatch = corporaPatch.filter(operation => operation.path.startsWith(`/corpora/${corpusId}`));
+ if (corpusPatch.length > 0) {
+ for (let eventListener of eventListeners) {eventListener('patch', corpusPatch);}
+ }
+ }
+ }
+ }
+
+ let jobsPatch = patch.filter(operation => operation.path.startsWith("/jobs"));
+ if (jobsPatch.length > 0) {
+ for (let [jobId, eventListeners] of Object.entries(this.eventListeners.job)) {
+ if (jobId === '*') {
+ for (let eventListener of eventListeners) {eventListener('patch', jobsPatch);}
+ } else {
+ let jobPatch = jobsPatch.filter(operation => operation.path.startsWith(`/jobs/${jobId}`));
+ if (jobPatch.length > 0) {
+ for (let eventListener of eventListeners) {eventListener('patch', jobPatch);}
+ }
+ }
+ }
+ }
+
+ let queryResultsPatch = patch.filter(operation => operation.path.startsWith("/query_results"));
+ if (queryResultsPatch.length > 0) {
+ for (let [queryResultId, eventListeners] of Object.entries(this.eventListeners.queryResult)) {
+ if (queryResultId === '*') {
+ for (let eventListener of eventListeners) {eventListener('patch', queryResultsPatch);}
+ } else {
+ let queryResultPatch = queryResultsPatch.filter(operation => operation.path.startsWith(`/query_results/${queryResultId}`));
+ if (queryResultPatch.length > 0) {
+ for (let eventListener of eventListeners) {eventListener('patch', queryResultPatch);}
+ }
+ }
+ }
+ }
+
+ for (let operation of jobsPatch) {
+ if (operation.op !== 'replace') {continue;}
+ // Matches the only path that should be handled here: /jobs/{jobId}/status
+ if (/^\/jobs\/(\d+)\/status$/.test(operation.path)) {
+ let [match, jobId] = operation.path.match(/^\/jobs\/(\d+)\/status$/);
+ if (this.data.settings.job_status_site_notifications === "end" && !['complete', 'failed'].includes(operation.value)) {continue;}
+ nopaque.flash(`[<a href="/jobs/${jobId}">${this.data.jobs[jobId].title}</a>] New status: ${operation.value}`, 'job');
+ }
+ }
+ }
+}
+
+
+/*
+ * The nopaque object is used as a namespace for nopaque specific functions and
+ * variables.
+ */
+var nopaque = {};
+
+nopaque.flash = function(message, category) {
+ let toast;
+ let toastActionElement;
+
+ switch (category) {
+ case "corpus":
+ message = `<i class="left material-icons">book</i>${message}`;
+ break;
+ case "error":
+ message = `<i class="left material-icons red-text">error</i>${message}`;
+ break;
+ case "job":
+ message = `<i class="left material-icons">work</i>${message}`;
+ break;
+ default:
+ message = `<i class="left material-icons">notifications</i>${message}`;
+ }
+
+ toast = M.toast({html: `<span>${message}</span>
+ <button data-action="close" class="btn-flat toast-action white-text">
+ <i class="material-icons">close</i>
+ </button>`});
+ toastActionElement = toast.el.querySelector('.toast-action[data-action="close"]');
+ toastActionElement.addEventListener('click', () => {toast.dismiss();});
+};
+
+nopaque.Forms = {};
+nopaque.Forms.init = function() {
+ var abortRequestElement, parentElement, progressElement, progressModal,
+ progressModalElement, request, submitElement;
+
+ for (let form of document.querySelectorAll(".nopaque-submit-form")) {
+ submitElement = form.querySelector('button[type="submit"]');
+ submitElement.addEventListener("click", function() {
+ for (let selectElement of form.querySelectorAll('select')) {
+ if (selectElement.value === "") {
+ parentElement = selectElement.closest(".input-field");
+ parentElement.querySelector(".select-dropdown").classList.add("invalid");
+ for (let helperTextElement of parentElement.querySelectorAll(".helper-text")) {
+ helperTextElement.remove();
+ }
+ parentElement.insertAdjacentHTML("beforeend", `<span class="helper-text red-text">Please select an option.</span>`);
+ }
+ }
+ });
+
+ request = new XMLHttpRequest();
+ if (form.dataset.hasOwnProperty("progressModal")) {
+ progressModalElement = document.getElementById(form.dataset.progressModal);
+ progressModal = M.Modal.getInstance(progressModalElement);
+ progressModal.options.dismissible = false;
+ abortRequestElement = progressModalElement.querySelector(".abort-request");
+ abortRequestElement.addEventListener("click", function() {request.abort();});
+ progressElement = progressModalElement.querySelector(".determinate");
+ }
+ form.addEventListener("submit", function(event) {
+ event.preventDefault();
+ var formData;
+
+ formData = new FormData(form);
+ // Initialize progress modal
+ if (progressModalElement) {
+ progressElement.style.width = "0%";
+ progressModal.open();
+ }
+ request.open("POST", window.location.href);
+ request.send(formData);
+ });
+ request.addEventListener("load", function(event) {
+ var fieldElement;
+
+ if (request.status === 201) {
+ window.location.href = JSON.parse(this.responseText).redirect_url;
+ }
+ if (request.status === 400) {
+ for (let [field, errors] of Object.entries(JSON.parse(this.responseText))) {
+ fieldElement = form.querySelector(`input[name$="${field}"]`).closest(".input-field");
+ for (let error of errors) {
+ fieldElement.insertAdjacentHTML("beforeend", `<span class="helper-text red-text">${error}</span>`);
+ }
+ }
+ if (progressModalElement) {
+ progressModal.close();
+ }
+ }
+ if (request.status === 500) {
+ location.reload();
+ }
+ });
+ if (progressModalElement) {
+ request.upload.addEventListener("progress", function(event) {
+ progressElement.style.width = Math.floor(100 * event.loaded / event.total).toString() + "%";
+ });
+ }
+ }
+}
diff --git a/web/app/static/js/socket.io.min.js b/web/app/static/js/socket.io.min.js
new file mode 100644
index 00000000..cec3c9ca
--- /dev/null
+++ b/web/app/static/js/socket.io.min.js
@@ -0,0 +1,7 @@
+/*!
+ * Socket.IO v3.0.4
+ * (c) 2014-2020 Guillermo Rauch
+ * Released under the MIT License.
+ */
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.io=e():t.io=e()}("undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:Function("return this")(),(function(){return function(t){var e={};function n(r){if(e[r])return e[r].exports;var o=e[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=t,n.c=e,n.d=function(t,e,r){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)n.d(r,o,function(e){return t[e]}.bind(null,o));return r},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=18)}([function(t,e,n){function r(t){if(t)return function(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}(t)}t.exports=r,r.prototype.on=r.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},r.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},r.prototype.off=r.prototype.removeListener=r.prototype.removeAllListeners=r.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var 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self?self:"undefined"!=typeof window?window:Function("return this")()},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function i(t,e){return(i=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function s(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=a(t);if(e){var o=a(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return c(this,n)}}function c(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function a(t){return(a=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var u=n(1),f=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&i(t,e)}(a,t);var e,n,r,c=s(a);function a(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,a),(e=c.call(this)).opts=t,e.query=t.query,e.readyState="",e.socket=t.socket,e}return e=a,(n=[{key:"onError",value:function(t,e){var n=new Error(t);return n.type="TransportError",n.description=e,this.emit("error",n),this}},{key:"open",value:function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this}},{key:"close",value:function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}},{key:"send",value:function(t){if("open"!==this.readyState)throw new Error("Transport not open");this.write(t)}},{key:"onOpen",value:function(){this.readyState="open",this.writable=!0,this.emit("open")}},{key:"onData",value:function(t){var e=u.decodePacket(t,this.socket.binaryType);this.onPacket(e)}},{key:"onPacket",value:function(t){this.emit("packet",t)}},{key:"onClose",value:function(){this.readyState="closed",this.emit("close")}}])&&o(e.prototype,n),r&&o(e,r),a}(n(0));t.exports=f},function(t,e){e.encode=function(t){var e="";for(var n in t)t.hasOwnProperty(n)&&(e.length&&(e+="&"),e+=encodeURIComponent(n)+"="+encodeURIComponent(t[n]));return 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t;if(this.opts.rememberUpgrade&&l.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length){var e=this;return void setTimeout((function(){e.emit("error","No transports available")}),0)}t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",(function(){e.onDrain()})).on("packet",(function(t){e.onPacket(t)})).on("error",(function(t){e.onError(t)})).on("close",(function(){e.onClose("transport close")}))}},{key:"probe",value:function(t){var e=this.createTransport(t,{probe:1}),n=!1,r=this;function o(){if(r.onlyBinaryUpgrades){var t=!this.supportsBinary&&r.transport.supportsBinary;n=n||t}n||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(function(t){if(!n)if("pong"===t.type&&"probe"===t.data){if(r.upgrading=!0,r.emit("upgrading",e),!e)return;l.priorWebsocketSuccess="websocket"===e.name,r.transport.pause((function(){n||"closed"!==r.readyState&&(f(),r.setTransport(e),e.send([{type:"upgrade"}]),r.emit("upgrade",e),e=null,r.upgrading=!1,r.flush())}))}else{var o=new Error("probe error");o.transport=e.name,r.emit("upgradeError",o)}})))}function i(){n||(n=!0,f(),e.close(),e=null)}function s(t){var n=new Error("probe error: "+t);n.transport=e.name,i(),r.emit("upgradeError",n)}function c(){s("transport closed")}function a(){s("socket closed")}function u(t){e&&t.name!==e.name&&i()}function 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error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}}},{key:"onHandshake",value:function(t){this.emit("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;clearTimeout(this.pingTimeoutTimer),this.pingTimeoutTimer=setTimeout((function(){t.onClose("ping 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no\r\n // one is subscribed for to avoid memory leak.\r\n if (callbacks.length === 0) {\r\n delete this._callbacks['$' + event];\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Emit `event` with the given args.\r\n *\r\n * @param {String} event\r\n * @param {Mixed} ...\r\n * @return {Emitter}\r\n */\r\n\r\nEmitter.prototype.emit = function(event){\r\n this._callbacks = this._callbacks || {};\r\n\r\n var args = new Array(arguments.length - 1)\r\n , callbacks = this._callbacks['$' + event];\r\n\r\n for (var i = 1; i < arguments.length; i++) {\r\n args[i - 1] = arguments[i];\r\n }\r\n\r\n if (callbacks) {\r\n callbacks = callbacks.slice(0);\r\n for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n callbacks[i].apply(this, args);\r\n }\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Return array of callbacks for `event`.\r\n *\r\n * @param {String} event\r\n * @return {Array}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.listeners = function(event){\r\n this._callbacks = this._callbacks || {};\r\n return this._callbacks['$' + event] || [];\r\n};\r\n\r\n/**\r\n * Check if this emitter has `event` handlers.\r\n *\r\n * @param {String} event\r\n * @return {Boolean}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.hasListeners = function(event){\r\n return !! this.listeners(event).length;\r\n};\r\n","const encodePacket = require(\"./encodePacket\");\nconst decodePacket = require(\"./decodePacket\");\n\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\n\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\n\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\n\nmodule.exports = {\n protocol: 4,\n encodePacket,\n encodePayload,\n decodePacket,\n decodePayload\n};\n","module.exports = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n } else if (typeof window !== \"undefined\") {\n return window;\n } else {\n return Function(\"return this\")();\n }\n})();\n","const parser = require(\"engine.io-parser\");\nconst Emitter = require(\"component-emitter\");\n\nclass Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} options.\n * @api private\n */\n constructor(opts) {\n super();\n\n this.opts = opts;\n this.query = opts.query;\n this.readyState = \"\";\n this.socket = opts.socket;\n }\n\n /**\n * Emits an error.\n *\n * @param {String} str\n * @return {Transport} for chaining\n * @api public\n */\n onError(msg, desc) {\n const err = new Error(msg);\n err.type = \"TransportError\";\n err.description = desc;\n this.emit(\"error\", err);\n return this;\n }\n\n /**\n * Opens the transport.\n *\n * @api public\n */\n open() {\n if (\"closed\" === this.readyState || \"\" === this.readyState) {\n this.readyState = \"opening\";\n this.doOpen();\n }\n\n return this;\n }\n\n /**\n * Closes the transport.\n *\n * @api private\n */\n close() {\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.doClose();\n this.onClose();\n }\n\n return this;\n }\n\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n * @api private\n */\n send(packets) {\n if (\"open\" === this.readyState) {\n this.write(packets);\n } else {\n throw new Error(\"Transport not open\");\n }\n }\n\n /**\n * Called upon open\n *\n * @api private\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n this.emit(\"open\");\n }\n\n /**\n * Called with data.\n *\n * @param {String} data\n * @api private\n */\n onData(data) {\n const packet = parser.decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n\n /**\n * Called with a decoded packet.\n */\n onPacket(packet) {\n this.emit(\"packet\", packet);\n }\n\n /**\n * Called upon close.\n *\n * @api private\n */\n onClose() {\n this.readyState = \"closed\";\n this.emit(\"close\");\n }\n}\n\nmodule.exports = Transport;\n","/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\n\nexports.encode = function (obj) {\n var str = '';\n\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length) str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n\n return str;\n};\n\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\n\nexports.decode = function(qs){\n var qry = {};\n var pairs = qs.split('&');\n for (var i = 0, l = pairs.length; i < l; i++) {\n var pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n};\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0;\nconst Emitter = require(\"component-emitter\");\nconst binary_1 = require(\"./binary\");\nconst is_binary_1 = require(\"./is-binary\");\n\n\n/**\n * Protocol version.\n *\n * @public\n */\nexports.protocol = 5;\nvar PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType = exports.PacketType || (exports.PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nclass Encoder {\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n\n\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (is_binary_1.hasBinary(obj)) {\n obj.type =\n obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK;\n return this.encodeAsBinary(obj);\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data);\n }\n\n\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = binary_1.deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\nexports.Encoder = Encoder;\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nclass Decoder extends Emitter {\n constructor() {\n super();\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n packet = this.decodeString(obj);\n if (packet.type === PacketType.BINARY_EVENT ||\n packet.type === PacketType.BINARY_ACK) {\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emit(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emit(\"decoded\", packet);\n }\n }\n else if (is_binary_1.isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emit(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n\n\n return p;\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return typeof payload === \"object\";\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || typeof payload === \"object\";\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return Array.isArray(payload) && typeof payload[0] === \"string\";\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n }\n }\n}\nexports.Decoder = Decoder;\nfunction tryParse(str) {\n try {\n return JSON.parse(str);\n }\n catch (e) {\n return false;\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = binary_1.reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","/**\n * Parses an URI\n *\n * @author Steven Levithan <stevenlevithan.com> (MIT license)\n * @api private\n */\n\nvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\n\nvar parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\n\nmodule.exports = function parseuri(str) {\n var src = str,\n b = str.indexOf('['),\n e = str.indexOf(']');\n\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n\n var m = re.exec(str || ''),\n uri = {},\n i = 14;\n\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n\n return uri;\n};\n\nfunction pathNames(obj, path) {\n var regx = /\\/{2,9}/g,\n names = path.replace(regx, \"/\").split(\"/\");\n\n if (path.substr(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.substr(path.length - 1, 1) == '/') {\n names.splice(names.length - 1, 1);\n }\n\n return names;\n}\n\nfunction queryKey(uri, query) {\n var data = {};\n\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n\n return data;\n}\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.Manager = void 0;\nconst eio = require(\"engine.io-client\");\nconst socket_1 = require(\"./socket\");\nconst Emitter = require(\"component-emitter\");\nconst parser = require(\"socket.io-parser\");\nconst on_1 = require(\"./on\");\nconst bind = require(\"component-bind\");\nconst Backoff = require(\"backo2\");\n\n\nclass Manager extends Emitter {\n constructor(uri, opts) {\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor(opts.randomizationFactor || 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n\n\n if (~this._readyState.indexOf(\"open\"))\n return this;\n\n\n this.engine = eio(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSub = on_1.on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n // emit `error`\n const errorSub = on_1.on(socket, \"error\", (err) => {\n\n\n self.cleanup();\n self._readyState = \"closed\";\n super.emit(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n self.maybeReconnectOnOpen();\n }\n });\n if (false !== this._timeout) {\n const timeout = this._timeout;\n\n\n if (timeout === 0) {\n openSub.destroy(); // prevents a race condition with the 'open' event\n }\n // set timer\n const timer = setTimeout(() => {\n\n\n openSub.destroy();\n socket.close();\n socket.emit(\"error\", new Error(\"timeout\"));\n }, timeout);\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n },\n });\n }\n this.subs.push(openSub);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return {Manager} self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n\n\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n super.emit(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on_1.on(socket, \"data\", bind(this, \"ondata\")), on_1.on(socket, \"ping\", bind(this, \"onping\")), on_1.on(socket, \"error\", bind(this, \"onerror\")), on_1.on(socket, \"close\", bind(this, \"onclose\")), on_1.on(this.decoder, \"decoded\", bind(this, \"ondecoded\")));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n super.emit(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n this.decoder.add(data);\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n super.emit(\"packet\", packet);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n\n\n super.emit(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new socket_1.Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n\n\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n\n\n if (packet.query && packet.type === 0)\n packet.nsp += \"?\" + packet.query;\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n\n\n const subsLength = this.subs.length;\n for (let i = 0; i < subsLength; i++) {\n const sub = this.subs.shift();\n sub.destroy();\n }\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n\n\n this.skipReconnect = true;\n this._reconnecting = false;\n if (\"opening\" === this._readyState) {\n // `onclose` will not fire because\n // an open event never happened\n this.cleanup();\n }\n this.backoff.reset();\n this._readyState = \"closed\";\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason) {\n\n\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n super.emit(\"close\", reason);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n\n\n this.backoff.reset();\n super.emit(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n\n\n this._reconnecting = true;\n const timer = setTimeout(() => {\n if (self.skipReconnect)\n return;\n\n\n super.emit(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n\n\n self._reconnecting = false;\n self.reconnect();\n super.emit(\"reconnect_error\", err);\n }\n else {\n\n\n self.onreconnect();\n }\n });\n }, delay);\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n },\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n super.emit(\"reconnect\", attempt);\n }\n}\nexports.Manager = Manager;\n","const XMLHttpRequest = require(\"xmlhttprequest-ssl\");\nconst XHR = require(\"./polling-xhr\");\nconst JSONP = require(\"./polling-jsonp\");\nconst websocket = require(\"./websocket\");\n\nexports.polling = polling;\nexports.websocket = websocket;\n\n/**\n * Polling transport polymorphic constructor.\n * Decides on xhr vs jsonp based on feature detection.\n *\n * @api private\n */\n\nfunction polling(opts) {\n let xhr;\n let xd = false;\n let xs = false;\n const jsonp = false !== opts.jsonp;\n\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n xd = opts.hostname !== location.hostname || port !== opts.port;\n xs = opts.secure !== isSSL;\n }\n\n opts.xdomain = xd;\n opts.xscheme = xs;\n xhr = new XMLHttpRequest(opts);\n\n if (\"open\" in xhr && !opts.forceJSONP) {\n return new XHR(opts);\n } else {\n if (!jsonp) throw new Error(\"JSONP disabled\");\n return new JSONP(opts);\n }\n}\n","// browser shim for xmlhttprequest module\n\nconst hasCORS = require(\"has-cors\");\nconst globalThis = require(\"./globalThis\");\n\nmodule.exports = function(opts) {\n const xdomain = opts.xdomain;\n\n // scheme must be same when usign XDomainRequest\n // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n const xscheme = opts.xscheme;\n\n // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n // https://github.com/Automattic/engine.io-client/pull/217\n const enablesXDR = opts.enablesXDR;\n\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n } catch (e) {}\n\n // Use XDomainRequest for IE8 if enablesXDR is true\n // because loading bar keeps flashing when using jsonp-polling\n // https://github.com/yujiosaka/socke.io-ie8-loading-example\n try {\n if (\"undefined\" !== typeof XDomainRequest && !xscheme && enablesXDR) {\n return new XDomainRequest();\n }\n } catch (e) {}\n\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\n \"Microsoft.XMLHTTP\"\n );\n } catch (e) {}\n }\n};\n","const Transport = require(\"../transport\");\nconst parseqs = require(\"parseqs\");\nconst parser = require(\"engine.io-parser\");\nconst yeast = require(\"yeast\");\n\n\n\n\nclass Polling extends Transport {\n /**\n * Transport name.\n */\n get name() {\n return \"polling\";\n }\n\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @api private\n */\n doOpen() {\n this.poll();\n }\n\n /**\n * Pauses polling.\n *\n * @param {Function} callback upon buffers are flushed and transport is paused\n * @api private\n */\n pause(onPause) {\n const self = this;\n\n this.readyState = \"pausing\";\n\n function pause() {\n\n\n self.readyState = \"paused\";\n onPause();\n }\n\n if (this.polling || !this.writable) {\n let total = 0;\n\n if (this.polling) {\n\n\n total++;\n this.once(\"pollComplete\", function() {\n\n\n --total || pause();\n });\n }\n\n if (!this.writable) {\n\n\n total++;\n this.once(\"drain\", function() {\n\n\n --total || pause();\n });\n }\n } else {\n pause();\n }\n }\n\n /**\n * Starts polling cycle.\n *\n * @api public\n */\n poll() {\n\n\n this.polling = true;\n this.doPoll();\n this.emit(\"poll\");\n }\n\n /**\n * Overloads onData to detect payloads.\n *\n * @api private\n */\n onData(data) {\n const self = this;\n\n\n const callback = function(packet, index, total) {\n // if its the first message we consider the transport open\n if (\"opening\" === self.readyState && packet.type === \"open\") {\n self.onOpen();\n }\n\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n self.onClose();\n return false;\n }\n\n // otherwise bypass onData and handle the message\n self.onPacket(packet);\n };\n\n // decode payload\n parser.decodePayload(data, this.socket.binaryType).forEach(callback);\n\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emit(\"pollComplete\");\n\n if (\"open\" === this.readyState) {\n this.poll();\n } else {\n\n\n }\n }\n }\n\n /**\n * For polling, send a close packet.\n *\n * @api private\n */\n doClose() {\n const self = this;\n\n function close() {\n\n\n self.write([{ type: \"close\" }]);\n }\n\n if (\"open\" === this.readyState) {\n\n\n close();\n } else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n\n\n this.once(\"open\", close);\n }\n }\n\n /**\n * Writes a packets payload.\n *\n * @param {Array} data packets\n * @param {Function} drain callback\n * @api private\n */\n write(packets) {\n this.writable = false;\n\n parser.encodePayload(packets, data => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emit(\"drain\");\n });\n });\n }\n\n /**\n * Generates uri for connection.\n *\n * @api private\n */\n uri() {\n let query = this.query || {};\n const schema = this.opts.secure ? \"https\" : \"http\";\n let port = \"\";\n\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // avoid port if default for schema\n if (\n this.opts.port &&\n ((\"https\" === schema && Number(this.opts.port) !== 443) ||\n (\"http\" === schema && Number(this.opts.port) !== 80))\n ) {\n port = \":\" + this.opts.port;\n }\n\n // prepend ? to query\n if (query.length) {\n query = \"?\" + query;\n }\n\n const ipv6 = this.opts.hostname.indexOf(\":\") !== -1;\n return (\n schema +\n \"://\" +\n (ipv6 ? \"[\" + this.opts.hostname + \"]\" : this.opts.hostname) +\n port +\n this.opts.path +\n query\n );\n }\n}\n\nmodule.exports = Polling;\n","const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\n\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\n\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\n\nmodule.exports = {\n PACKET_TYPES,\n PACKET_TYPES_REVERSE,\n ERROR_PACKET\n};\n","'use strict';\n\nvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n , length = 64\n , map = {}\n , seed = 0\n , i = 0\n , prev;\n\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nfunction encode(num) {\n var encoded = '';\n\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n\n return encoded;\n}\n\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nfunction decode(str) {\n var decoded = 0;\n\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n\n return decoded;\n}\n\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nfunction yeast() {\n var now = encode(+new Date());\n\n if (now !== prev) return seed = 0, prev = now;\n return now +'.'+ encode(seed++);\n}\n\n//\n// Map each character to its index.\n//\nfor (; i < length; i++) map[alphabet[i]] = i;\n\n//\n// Expose the `yeast`, `encode` and `decode` functions.\n//\nyeast.encode = encode;\nyeast.decode = decode;\nmodule.exports = yeast;\n","module.exports.pick = (obj, ...attr) => {\n return attr.reduce((acc, k) => {\n acc[k] = obj[k];\n return acc;\n }, {});\n};\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.Socket = void 0;\nconst socket_io_parser_1 = require(\"socket.io-parser\");\nconst Emitter = require(\"component-emitter\");\nconst on_1 = require(\"./on\");\nconst bind = require(\"component-bind\");\n\n\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\nclass Socket extends Emitter {\n /**\n * `Socket` constructor.\n *\n * @public\n */\n constructor(io, nsp, opts) {\n super();\n this.ids = 0;\n this.acks = {};\n this.receiveBuffer = [];\n this.sendBuffer = [];\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n this.ids = 0;\n this.acks = {};\n this.receiveBuffer = [];\n this.sendBuffer = [];\n this.connected = false;\n this.disconnected = true;\n this.flags = {};\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on_1.on(io, \"open\", bind(this, \"onopen\")),\n on_1.on(io, \"packet\", bind(this, \"onpacket\")),\n on_1.on(io, \"close\", bind(this, \"onclose\")),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @public\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for connect()\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * @return self\n * @public\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @param ev - event name\n * @return self\n * @public\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev + '\" is a reserved event name');\n }\n args.unshift(ev);\n const packet = {\n type: socket_io_parser_1.PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n\n\n this.acks[this.ids] = args.pop();\n packet.id = this.ids++;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n\n\n }\n else if (this.connected) {\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n\n\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this.packet({ type: socket_io_parser_1.PacketType.CONNECT, data });\n });\n }\n else {\n this.packet({ type: socket_io_parser_1.PacketType.CONNECT, data: this.auth });\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @private\n */\n onclose(reason) {\n\n\n this.connected = false;\n this.disconnected = true;\n delete this.id;\n super.emit(\"disconnect\", reason);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case socket_io_parser_1.PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n const id = packet.data.sid;\n this.onconnect(id);\n }\n else {\n super.emit(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case socket_io_parser_1.PacketType.EVENT:\n this.onevent(packet);\n break;\n case socket_io_parser_1.PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case socket_io_parser_1.PacketType.ACK:\n this.onack(packet);\n break;\n case socket_io_parser_1.PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case socket_io_parser_1.PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case socket_io_parser_1.PacketType.CONNECT_ERROR:\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n super.emit(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n\n\n if (null != packet.id) {\n\n\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n\n\n self.packet({\n type: socket_io_parser_1.PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n\n\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n\n\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id) {\n\n\n this.id = id;\n this.connected = true;\n this.disconnected = false;\n super.emit(\"connect\");\n this.emitBuffered();\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => this.packet(packet));\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n\n\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n for (let i = 0; i < this.subs.length; i++) {\n this.subs[i].destroy();\n }\n this.subs = null;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually.\n *\n * @return self\n * @public\n */\n disconnect() {\n if (this.connected) {\n\n\n this.packet({ type: socket_io_parser_1.PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for disconnect()\n *\n * @return self\n * @public\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n * @public\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @returns self\n * @public\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @param listener\n * @public\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @param listener\n * @public\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @param listener\n * @public\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n *\n * @public\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n}\nexports.Socket = Socket;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.hasBinary = exports.isBinary = void 0;\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nfunction isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexports.isBinary = isBinary;\nfunction hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\nexports.hasBinary = hasBinary;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.on = void 0;\nfunction on(obj, ev, fn) {\n obj.on(ev, fn);\n return {\n destroy: function () {\n obj.off(ev, fn);\n },\n };\n}\nexports.on = on;\n","/**\n * Slice reference.\n */\n\nvar slice = [].slice;\n\n/**\n * Bind `obj` to `fn`.\n *\n * @param {Object} obj\n * @param {Function|String} fn or string\n * @return {Function}\n * @api public\n */\n\nmodule.exports = function(obj, fn){\n if ('string' == typeof fn) fn = obj[fn];\n if ('function' != typeof fn) throw new Error('bind() requires a function');\n var args = slice.call(arguments, 2);\n return function(){\n return fn.apply(obj, args.concat(slice.call(arguments)));\n }\n};\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.Socket = exports.io = exports.Manager = exports.protocol = void 0;\nconst url_1 = require(\"./url\");\nconst manager_1 = require(\"./manager\");\nconst socket_1 = require(\"./socket\");\nObject.defineProperty(exports, \"Socket\", { enumerable: true, get: function () { return socket_1.Socket; } });\n\n\n/**\n * Module exports.\n */\nmodule.exports = exports = lookup;\n/**\n * Managers cache.\n */\nconst cache = (exports.managers = {});\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url_1.url(uri);\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n\n\n io = new manager_1.Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n\n\n cache[id] = new manager_1.Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.query;\n }\n return io.socket(parsed.path, opts);\n}\nexports.io = lookup;\n/**\n * Protocol version.\n *\n * @public\n */\nvar socket_io_parser_1 = require(\"socket.io-parser\");\nObject.defineProperty(exports, \"protocol\", { enumerable: true, get: function () { return socket_io_parser_1.protocol; } });\n/**\n * `connect`.\n *\n * @param {String} uri\n * @public\n */\nexports.connect = lookup;\n/**\n * Expose constructors for standalone build.\n *\n * @public\n */\nvar manager_2 = require(\"./manager\");\nObject.defineProperty(exports, \"Manager\", { enumerable: true, get: function () { return manager_2.Manager; } });\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.url = void 0;\nconst parseuri = require(\"parseuri\");\n\n\n/**\n * URL parser.\n *\n * @param uri - url\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nfunction url(uri, loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n\n\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n\n\n obj = parseuri(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === obj.port ? \"\" : \":\" + obj.port);\n return obj;\n}\nexports.url = url;\n","const Socket = require(\"./socket\");\n\nmodule.exports = (uri, opts) => new Socket(uri, opts);\n\n/**\n * Expose deps for legacy compatibility\n * and standalone browser access.\n */\n\nmodule.exports.Socket = Socket;\nmodule.exports.protocol = Socket.protocol; // this is an int\nmodule.exports.Transport = require(\"./transport\");\nmodule.exports.transports = require(\"./transports/index\");\nmodule.exports.parser = require(\"engine.io-parser\");\n","const transports = require(\"./transports/index\");\nconst Emitter = require(\"component-emitter\");\n\n\nconst parser = require(\"engine.io-parser\");\nconst parseuri = require(\"parseuri\");\nconst parseqs = require(\"parseqs\");\n\nclass Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri or options\n * @param {Object} options\n * @api public\n */\n constructor(uri, opts = {}) {\n super();\n\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n\n if (uri) {\n uri = parseuri(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query) opts.query = uri.query;\n } else if (opts.host) {\n opts.hostname = parseuri(opts.host).host;\n }\n\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? 443\n : 80);\n\n this.transports = opts.transports || [\"polling\", \"websocket\"];\n this.readyState = \"\";\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n\n this.opts = Object.assign(\n {\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n jsonp: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024\n },\n transportOptions: {}\n },\n opts\n );\n\n this.opts.path = this.opts.path.replace(/\\/$/, \"\") + \"/\";\n\n if (typeof this.opts.query === \"string\") {\n this.opts.query = parseqs.decode(this.opts.query);\n }\n\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n\n // set on heartbeat\n this.pingTimeoutTimer = null;\n\n this.open();\n }\n\n /**\n * Creates transport of the given type.\n *\n * @param {String} transport name\n * @return {Transport}\n * @api private\n */\n createTransport(name) {\n\n\n const query = clone(this.opts.query);\n\n // append engine.io protocol identifier\n query.EIO = parser.protocol;\n\n // transport name\n query.transport = name;\n\n // session id if we already have one\n if (this.id) query.sid = this.id;\n\n const opts = Object.assign(\n {},\n this.opts.transportOptions[name],\n this.opts,\n {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port\n }\n );\n\n\n\n\n return new transports[name](opts);\n }\n\n /**\n * Initializes transport to use and starts probe.\n *\n * @api private\n */\n open() {\n let transport;\n if (\n this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1\n ) {\n transport = \"websocket\";\n } else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n const self = this;\n setTimeout(function() {\n self.emit(\"error\", \"No transports available\");\n }, 0);\n return;\n } else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n } catch (e) {\n\n\n this.transports.shift();\n this.open();\n return;\n }\n\n transport.open();\n this.setTransport(transport);\n }\n\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @api private\n */\n setTransport(transport) {\n\n\n const self = this;\n\n if (this.transport) {\n\n\n this.transport.removeAllListeners();\n }\n\n // set up transport\n this.transport = transport;\n\n // set up transport listeners\n transport\n .on(\"drain\", function() {\n self.onDrain();\n })\n .on(\"packet\", function(packet) {\n self.onPacket(packet);\n })\n .on(\"error\", function(e) {\n self.onError(e);\n })\n .on(\"close\", function() {\n self.onClose(\"transport close\");\n });\n }\n\n /**\n * Probes a transport.\n *\n * @param {String} transport name\n * @api private\n */\n probe(name) {\n\n\n let transport = this.createTransport(name, { probe: 1 });\n let failed = false;\n const self = this;\n\n Socket.priorWebsocketSuccess = false;\n\n function onTransportOpen() {\n if (self.onlyBinaryUpgrades) {\n const upgradeLosesBinary =\n !this.supportsBinary && self.transport.supportsBinary;\n failed = failed || upgradeLosesBinary;\n }\n if (failed) return;\n\n\n\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", function(msg) {\n if (failed) return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n\n\n self.upgrading = true;\n self.emit(\"upgrading\", transport);\n if (!transport) return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n\n\n\n self.transport.pause(function() {\n if (failed) return;\n if (\"closed\" === self.readyState) return;\n\n\n\n cleanup();\n\n self.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n self.emit(\"upgrade\", transport);\n transport = null;\n self.upgrading = false;\n self.flush();\n });\n } else {\n\n\n const err = new Error(\"probe error\");\n err.transport = transport.name;\n self.emit(\"upgradeError\", err);\n }\n });\n }\n\n function freezeTransport() {\n if (failed) return;\n\n // Any callback called by transport should be ignored since now\n failed = true;\n\n cleanup();\n\n transport.close();\n transport = null;\n }\n\n // Handle any error that happens while probing\n function onerror(err) {\n const error = new Error(\"probe error: \" + err);\n error.transport = transport.name;\n\n freezeTransport();\n\n\n\n\n self.emit(\"upgradeError\", error);\n }\n\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n\n\n freezeTransport();\n }\n }\n\n // Remove all listeners on the transport and on self\n function cleanup() {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n self.removeListener(\"close\", onclose);\n self.removeListener(\"upgrading\", onupgrade);\n }\n\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n\n transport.open();\n }\n\n /**\n * Called when connection is deemed open.\n *\n * @api public\n */\n onOpen() {\n\n\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emit(\"open\");\n this.flush();\n\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\n \"open\" === this.readyState &&\n this.opts.upgrade &&\n this.transport.pause\n ) {\n\n\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n\n /**\n * Handles a packet.\n *\n * @api private\n */\n onPacket(packet) {\n if (\n \"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState\n ) {\n\n\n\n this.emit(\"packet\", packet);\n\n // Socket is live - any packet counts\n this.emit(\"heartbeat\");\n\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n\n case \"ping\":\n this.resetPingTimeout();\n this.sendPacket(\"pong\");\n this.emit(\"pong\");\n break;\n\n case \"error\":\n const err = new Error(\"server error\");\n err.code = packet.data;\n this.onError(err);\n break;\n\n case \"message\":\n this.emit(\"data\", packet.data);\n this.emit(\"message\", packet.data);\n break;\n }\n } else {\n\n\n }\n }\n\n /**\n * Called upon handshake completion.\n *\n * @param {Object} handshake obj\n * @api private\n */\n onHandshake(data) {\n this.emit(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState) return;\n this.resetPingTimeout();\n }\n\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @api private\n */\n resetPingTimeout() {\n clearTimeout(this.pingTimeoutTimer);\n this.pingTimeoutTimer = setTimeout(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n }\n\n /**\n * Called on `drain` event\n *\n * @api private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n\n if (0 === this.writeBuffer.length) {\n this.emit(\"drain\");\n } else {\n this.flush();\n }\n }\n\n /**\n * Flush write buffers.\n *\n * @api private\n */\n flush() {\n if (\n \"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length\n ) {\n\n\n this.transport.send(this.writeBuffer);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = this.writeBuffer.length;\n this.emit(\"flush\");\n }\n }\n\n /**\n * Sends a message.\n *\n * @param {String} message.\n * @param {Function} callback function.\n * @param {Object} options.\n * @return {Socket} for chaining.\n * @api public\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n\n /**\n * Sends a packet.\n *\n * @param {String} packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} callback function.\n * @api private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n\n options = options || {};\n options.compress = false !== options.compress;\n\n const packet = {\n type: type,\n data: data,\n options: options\n };\n this.emit(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn) this.once(\"flush\", fn);\n this.flush();\n }\n\n /**\n * Closes the connection.\n *\n * @api private\n */\n close() {\n const self = this;\n\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n\n if (this.writeBuffer.length) {\n this.once(\"drain\", function() {\n if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n });\n } else if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n }\n\n function close() {\n self.onClose(\"forced close\");\n\n\n self.transport.close();\n }\n\n function cleanupAndClose() {\n self.removeListener(\"upgrade\", cleanupAndClose);\n self.removeListener(\"upgradeError\", cleanupAndClose);\n close();\n }\n\n function waitForUpgrade() {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n self.once(\"upgrade\", cleanupAndClose);\n self.once(\"upgradeError\", cleanupAndClose);\n }\n\n return this;\n }\n\n /**\n * Called upon transport error\n *\n * @api private\n */\n onError(err) {\n\n\n Socket.priorWebsocketSuccess = false;\n this.emit(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n\n /**\n * Called upon transport close.\n *\n * @api private\n */\n onClose(reason, desc) {\n if (\n \"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState\n ) {\n\n\n const self = this;\n\n // clear timers\n clearTimeout(this.pingIntervalTimer);\n clearTimeout(this.pingTimeoutTimer);\n\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n\n // ensure transport won't stay open\n this.transport.close();\n\n // ignore further transport communication\n this.transport.removeAllListeners();\n\n // set ready state\n this.readyState = \"closed\";\n\n // clear session id\n this.id = null;\n\n // emit close event\n this.emit(\"close\", reason, desc);\n\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n self.writeBuffer = [];\n self.prevBufferLen = 0;\n }\n }\n\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} server upgrades\n * @api private\n *\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\n\nSocket.priorWebsocketSuccess = false;\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nSocket.protocol = parser.protocol; // this is an int\n\nfunction clone(obj) {\n const o = {};\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n o[i] = obj[i];\n }\n }\n return o;\n}\n\nmodule.exports = Socket;\n","\n/**\n * Module exports.\n *\n * Logic borrowed from Modernizr:\n *\n * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n */\n\ntry {\n module.exports = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n} catch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n module.exports = false;\n}\n","/* global attachEvent */\n\nconst XMLHttpRequest = require(\"xmlhttprequest-ssl\");\nconst Polling = require(\"./polling\");\nconst Emitter = require(\"component-emitter\");\nconst { pick } = require(\"../util\");\nconst globalThis = require(\"../globalThis\");\n\n\n\n\n/**\n * Empty function\n */\n\nfunction empty() {}\n\nconst hasXHR2 = (function() {\n const xhr = new XMLHttpRequest({ xdomain: false });\n return null != xhr.responseType;\n})();\n\nclass XHR extends Polling {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @api public\n */\n constructor(opts) {\n super(opts);\n\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n this.xs = opts.secure !== isSSL;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n }\n\n /**\n * Creates a request.\n *\n * @param {String} method\n * @api private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, xs: this.xs }, this.opts);\n return new Request(this.uri(), opts);\n }\n\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @api private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data\n });\n const self = this;\n req.on(\"success\", fn);\n req.on(\"error\", function(err) {\n self.onError(\"xhr post error\", err);\n });\n }\n\n /**\n * Starts a poll cycle.\n *\n * @api private\n */\n doPoll() {\n\n\n const req = this.request();\n const self = this;\n req.on(\"data\", function(data) {\n self.onData(data);\n });\n req.on(\"error\", function(err) {\n self.onError(\"xhr poll error\", err);\n });\n this.pollXhr = req;\n }\n}\n\nclass Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @api public\n */\n constructor(uri, opts) {\n super();\n this.opts = opts;\n\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.async = false !== opts.async;\n this.data = undefined !== opts.data ? opts.data : null;\n\n this.create();\n }\n\n /**\n * Creates the XHR object and sends the request.\n *\n * @api private\n */\n create() {\n const opts = pick(\n this.opts,\n \"agent\",\n \"enablesXDR\",\n \"pfx\",\n \"key\",\n \"passphrase\",\n \"cert\",\n \"ca\",\n \"ciphers\",\n \"rejectUnauthorized\"\n );\n opts.xdomain = !!this.opts.xd;\n opts.xscheme = !!this.opts.xs;\n\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n const self = this;\n\n try {\n\n\n xhr.open(this.method, this.uri, this.async);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n } catch (e) {}\n\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n } catch (e) {}\n }\n\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n } catch (e) {}\n\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n\n if (this.hasXDR()) {\n xhr.onload = function() {\n self.onLoad();\n };\n xhr.onerror = function() {\n self.onError(xhr.responseText);\n };\n } else {\n xhr.onreadystatechange = function() {\n if (4 !== xhr.readyState) return;\n if (200 === xhr.status || 1223 === xhr.status) {\n self.onLoad();\n } else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n setTimeout(function() {\n self.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n }\n\n\n\n xhr.send(this.data);\n } catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n setTimeout(function() {\n self.onError(e);\n }, 0);\n return;\n }\n\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n\n /**\n * Called upon successful response.\n *\n * @api private\n */\n onSuccess() {\n this.emit(\"success\");\n this.cleanup();\n }\n\n /**\n * Called if we have data.\n *\n * @api private\n */\n onData(data) {\n this.emit(\"data\", data);\n this.onSuccess();\n }\n\n /**\n * Called upon error.\n *\n * @api private\n */\n onError(err) {\n this.emit(\"error\", err);\n this.cleanup(true);\n }\n\n /**\n * Cleans up house.\n *\n * @api private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n // xmlhttprequest\n if (this.hasXDR()) {\n this.xhr.onload = this.xhr.onerror = empty;\n } else {\n this.xhr.onreadystatechange = empty;\n }\n\n if (fromError) {\n try {\n this.xhr.abort();\n } catch (e) {}\n }\n\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n\n this.xhr = null;\n }\n\n /**\n * Called upon load.\n *\n * @api private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.onData(data);\n }\n }\n\n /**\n * Check if it has XDomainRequest.\n *\n * @api private\n */\n hasXDR() {\n return typeof XDomainRequest !== \"undefined\" && !this.xs && this.enablesXDR;\n }\n\n /**\n * Aborts the request.\n *\n * @api public\n */\n abort() {\n this.cleanup();\n }\n}\n\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\n\nRequest.requestsCount = 0;\nRequest.requests = {};\n\nif (typeof document !== \"undefined\") {\n if (typeof attachEvent === \"function\") {\n attachEvent(\"onunload\", unloadHandler);\n } else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\n\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n\nmodule.exports = XHR;\nmodule.exports.Request = Request;\n","const { PACKET_TYPES } = require(\"./commons\");\n\nconst withNativeBlob =\n typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\n\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n } else {\n return encodeBlobAsBase64(data, callback);\n }\n } else if (\n withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))\n ) {\n if (supportsBinary) {\n return callback(data instanceof ArrayBuffer ? data : data.buffer);\n } else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\n\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function() {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + content);\n };\n return fileReader.readAsDataURL(data);\n};\n\nmodule.exports = encodePacket;\n","const { PACKET_TYPES_REVERSE, ERROR_PACKET } = require(\"./commons\");\n\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n\nlet base64decoder;\nif (withNativeArrayBuffer) {\n base64decoder = require(\"base64-arraybuffer\");\n}\n\nconst decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\n\nconst decodeBase64Packet = (data, binaryType) => {\n if (base64decoder) {\n const decoded = base64decoder.decode(data);\n return mapBinary(decoded, binaryType);\n } else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\n\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n return data instanceof ArrayBuffer ? new Blob([data]) : data;\n case \"arraybuffer\":\n default:\n return data; // assuming the data is already an ArrayBuffer\n }\n};\n\nmodule.exports = decodePacket;\n","/*\n * base64-arraybuffer\n * https://github.com/niklasvh/base64-arraybuffer\n *\n * Copyright (c) 2012 Niklas von Hertzen\n * Licensed under the MIT license.\n */\n(function(){\n \"use strict\";\n\n var chars = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n // Use a lookup table to find the index.\n var lookup = new Uint8Array(256);\n for (var i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n }\n\n exports.encode = function(arraybuffer) {\n var bytes = new Uint8Array(arraybuffer),\n i, len = bytes.length, base64 = \"\";\n\n for (i = 0; i < len; i+=3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n\n if ((len % 3) === 2) {\n base64 = base64.substring(0, base64.length - 1) + \"=\";\n } else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + \"==\";\n }\n\n return base64;\n };\n\n exports.decode = function(base64) {\n var bufferLength = base64.length * 0.75,\n len = base64.length, i, p = 0,\n encoded1, encoded2, encoded3, encoded4;\n\n if (base64[base64.length - 1] === \"=\") {\n bufferLength--;\n if (base64[base64.length - 2] === \"=\") {\n bufferLength--;\n }\n }\n\n var arraybuffer = new ArrayBuffer(bufferLength),\n bytes = new Uint8Array(arraybuffer);\n\n for (i = 0; i < len; i+=4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i+1)];\n encoded3 = lookup[base64.charCodeAt(i+2)];\n encoded4 = lookup[base64.charCodeAt(i+3)];\n\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n\n return arraybuffer;\n };\n})();\n","const Polling = require(\"./polling\");\nconst globalThis = require(\"../globalThis\");\n\nconst rNewline = /\\n/g;\nconst rEscapedNewline = /\\\\n/g;\n\n/**\n * Global JSONP callbacks.\n */\n\nlet callbacks;\n\n/**\n * Noop.\n */\n\nfunction empty() {}\n\nclass JSONPPolling extends Polling {\n /**\n * JSONP Polling constructor.\n *\n * @param {Object} opts.\n * @api public\n */\n constructor(opts) {\n super(opts);\n\n this.query = this.query || {};\n\n // define global callbacks array if not present\n // we do this here (lazily) to avoid unneeded global pollution\n if (!callbacks) {\n // we need to consider multiple engines in the same page\n callbacks = globalThis.___eio = globalThis.___eio || [];\n }\n\n // callback identifier\n this.index = callbacks.length;\n\n // add callback to jsonp global\n const self = this;\n callbacks.push(function(msg) {\n self.onData(msg);\n });\n\n // append to query string\n this.query.j = this.index;\n\n // prevent spurious errors from being emitted when the window is unloaded\n if (typeof addEventListener === \"function\") {\n addEventListener(\n \"beforeunload\",\n function() {\n if (self.script) self.script.onerror = empty;\n },\n false\n );\n }\n }\n\n /**\n * JSONP only supports binary as base64 encoded strings\n */\n get supportsBinary() {\n return false;\n }\n\n /**\n * Closes the socket.\n *\n * @api private\n */\n doClose() {\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n if (this.form) {\n this.form.parentNode.removeChild(this.form);\n this.form = null;\n this.iframe = null;\n }\n\n super.doClose();\n }\n\n /**\n * Starts a poll cycle.\n *\n * @api private\n */\n doPoll() {\n const self = this;\n const script = document.createElement(\"script\");\n\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n script.async = true;\n script.src = this.uri();\n script.onerror = function(e) {\n self.onError(\"jsonp poll error\", e);\n };\n\n const insertAt = document.getElementsByTagName(\"script\")[0];\n if (insertAt) {\n insertAt.parentNode.insertBefore(script, insertAt);\n } else {\n (document.head || document.body).appendChild(script);\n }\n this.script = script;\n\n const isUAgecko =\n \"undefined\" !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\n if (isUAgecko) {\n setTimeout(function() {\n const iframe = document.createElement(\"iframe\");\n document.body.appendChild(iframe);\n document.body.removeChild(iframe);\n }, 100);\n }\n }\n\n /**\n * Writes with a hidden iframe.\n *\n * @param {String} data to send\n * @param {Function} called upon flush.\n * @api private\n */\n doWrite(data, fn) {\n const self = this;\n let iframe;\n\n if (!this.form) {\n const form = document.createElement(\"form\");\n const area = document.createElement(\"textarea\");\n const id = (this.iframeId = \"eio_iframe_\" + this.index);\n\n form.className = \"socketio\";\n form.style.position = \"absolute\";\n form.style.top = \"-1000px\";\n form.style.left = \"-1000px\";\n form.target = id;\n form.method = \"POST\";\n form.setAttribute(\"accept-charset\", \"utf-8\");\n area.name = \"d\";\n form.appendChild(area);\n document.body.appendChild(form);\n\n this.form = form;\n this.area = area;\n }\n\n this.form.action = this.uri();\n\n function complete() {\n initIframe();\n fn();\n }\n\n function initIframe() {\n if (self.iframe) {\n try {\n self.form.removeChild(self.iframe);\n } catch (e) {\n self.onError(\"jsonp polling iframe removal error\", e);\n }\n }\n\n try {\n // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n const html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n iframe = document.createElement(html);\n } catch (e) {\n iframe = document.createElement(\"iframe\");\n iframe.name = self.iframeId;\n iframe.src = \"javascript:0\";\n }\n\n iframe.id = self.iframeId;\n\n self.form.appendChild(iframe);\n self.iframe = iframe;\n }\n\n initIframe();\n\n // escape \\n to prevent it from being converted into \\r\\n by some UAs\n // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n data = data.replace(rEscapedNewline, \"\\\\\\n\");\n this.area.value = data.replace(rNewline, \"\\\\n\");\n\n try {\n this.form.submit();\n } catch (e) {}\n\n if (this.iframe.attachEvent) {\n this.iframe.onreadystatechange = function() {\n if (self.iframe.readyState === \"complete\") {\n complete();\n }\n };\n } else {\n this.iframe.onload = complete;\n }\n }\n}\n\nmodule.exports = JSONPPolling;\n","const Transport = require(\"../transport\");\nconst parser = require(\"engine.io-parser\");\nconst parseqs = require(\"parseqs\");\nconst yeast = require(\"yeast\");\nconst { pick } = require(\"../util\");\nconst {\n WebSocket,\n usingBrowserWebSocket,\n defaultBinaryType\n} = require(\"./websocket-constructor\");\n\n\n\n\n// detect ReactNative environment\nconst isReactNative =\n typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\n\nclass WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @api {Object} connection options\n * @api public\n */\n constructor(opts) {\n super(opts);\n\n this.supportsBinary = !opts.forceBase64;\n }\n\n /**\n * Transport name.\n *\n * @api public\n */\n get name() {\n return \"websocket\";\n }\n\n /**\n * Opens socket.\n *\n * @api private\n */\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n\n const uri = this.uri();\n const protocols = this.opts.protocols;\n\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(\n this.opts,\n \"agent\",\n \"perMessageDeflate\",\n \"pfx\",\n \"key\",\n \"passphrase\",\n \"cert\",\n \"ca\",\n \"ciphers\",\n \"rejectUnauthorized\",\n \"localAddress\"\n );\n\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n } catch (err) {\n return this.emit(\"error\", err);\n }\n\n this.ws.binaryType = this.socket.binaryType || defaultBinaryType;\n\n this.addEventListeners();\n }\n\n /**\n * Adds event listeners to the socket\n *\n * @api private\n */\n addEventListeners() {\n const self = this;\n\n this.ws.onopen = function() {\n self.onOpen();\n };\n this.ws.onclose = function() {\n self.onClose();\n };\n this.ws.onmessage = function(ev) {\n self.onData(ev.data);\n };\n this.ws.onerror = function(e) {\n self.onError(\"websocket error\", e);\n };\n }\n\n /**\n * Writes data to socket.\n *\n * @param {Array} array of packets.\n * @api private\n */\n write(packets) {\n const self = this;\n this.writable = false;\n\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n let total = packets.length;\n let i = 0;\n const l = total;\n for (; i < l; i++) {\n (function(packet) {\n parser.encodePacket(packet, self.supportsBinary, function(data) {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n\n if (self.opts.perMessageDeflate) {\n const len =\n \"string\" === typeof data\n ? Buffer.byteLength(data)\n : data.length;\n if (len < self.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n self.ws.send(data);\n } else {\n self.ws.send(data, opts);\n }\n } catch (e) {\n\n\n }\n\n --total || done();\n });\n })(packets[i]);\n }\n\n function done() {\n self.emit(\"flush\");\n\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n setTimeout(function() {\n self.writable = true;\n self.emit(\"drain\");\n }, 0);\n }\n }\n\n /**\n * Called upon close\n *\n * @api private\n */\n onClose() {\n Transport.prototype.onClose.call(this);\n }\n\n /**\n * Closes socket.\n *\n * @api private\n */\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n }\n }\n\n /**\n * Generates uri for connection.\n *\n * @api private\n */\n uri() {\n let query = this.query || {};\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n let port = \"\";\n\n // avoid port if default for schema\n if (\n this.opts.port &&\n ((\"wss\" === schema && Number(this.opts.port) !== 443) ||\n (\"ws\" === schema && Number(this.opts.port) !== 80))\n ) {\n port = \":\" + this.opts.port;\n }\n\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // prepend ? to query\n if (query.length) {\n query = \"?\" + query;\n }\n\n const ipv6 = this.opts.hostname.indexOf(\":\") !== -1;\n return (\n schema +\n \"://\" +\n (ipv6 ? \"[\" + this.opts.hostname + \"]\" : this.opts.hostname) +\n port +\n this.opts.path +\n query\n );\n }\n\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @api public\n */\n check() {\n return (\n !!WebSocket &&\n !(\"__initialize\" in WebSocket && this.name === WS.prototype.name)\n );\n }\n}\n\nmodule.exports = WS;\n","const globalThis = require(\"../globalThis\");\n\nmodule.exports = {\n WebSocket: globalThis.WebSocket || globalThis.MozWebSocket,\n usingBrowserWebSocket: true,\n defaultBinaryType: \"arraybuffer\"\n};\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.reconstructPacket = exports.deconstructPacket = void 0;\nconst is_binary_1 = require(\"./is-binary\");\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nfunction deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nexports.deconstructPacket = deconstructPacket;\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (is_binary_1.isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (data.hasOwnProperty(key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nfunction reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n packet.attachments = undefined; // no longer useful\n return packet;\n}\nexports.reconstructPacket = reconstructPacket;\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (data.hasOwnProperty(key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","\n/**\n * Expose `Backoff`.\n */\n\nmodule.exports = Backoff;\n\n/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\n\nBackoff.prototype.duration = function(){\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\n\nBackoff.prototype.reset = function(){\n this.attempts = 0;\n};\n\n/**\n * Set the minimum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMin = function(min){\n this.ms = min;\n};\n\n/**\n * Set the maximum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMax = function(max){\n this.max = max;\n};\n\n/**\n * Set the jitter\n *\n * @api public\n */\n\nBackoff.prototype.setJitter = function(jitter){\n this.jitter = jitter;\n};\n\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/app/static/js/socket.io.slim.js b/web/app/static/js/socket.io.slim.js
deleted file mode 100644
index 3bfa64ae..00000000
--- a/web/app/static/js/socket.io.slim.js
+++ /dev/null
@@ -1,9 +0,0 @@
-/*!
- * Socket.IO v2.3.1
- * (c) 2014-2020 Guillermo Rauch
- * Released under the MIT License.
- */
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.io=e():t.io=e()}(this,function(){return function(t){function e(n){if(r[n])return r[n].exports;var o=r[n]={exports:{},id:n,loaded:!1};return t[n].call(o.exports,o,o.exports,e),o.loaded=!0,o.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){"use strict";function n(t,e){"object"===("undefined"==typeof t?"undefined":o(t))&&(e=t,t=void 0),e=e||{};var r,n=i(t),s=n.source,p=n.id,h=n.path,u=c[p]&&h in c[p].nsps,f=e.forceNew||e["force new connection"]||!1===e.multiplex||u;return f?r=a(s,e):(c[p]||(c[p]=a(s,e)),r=c[p]),n.query&&!e.query&&(e.query=n.query),r.socket(n.path,e)}var o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof 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t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();this.reconnecting=!0;var r=setTimeout(function(){t.skipReconnect||(t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):t.onreconnect()}))},e);this.subs.push({destroy:function(){clearTimeout(r)}})}},n.prototype.onreconnect=function(){var t=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",t)}},function(t,e,r){t.exports=r(11),t.exports.parser=r(19)},function(t,e,r){function n(t,e){return this instanceof n?(e=e||{},t&&"object"==typeof 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r=this.transportOptions[t]||{};this.id&&(e.sid=this.id);var n=new 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0,isReactNative:this.isReactNative});return n},n.prototype.open=function(){var t;if(this.rememberUpgrade&&n.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1)t="websocket";else{if(0===this.transports.length){var e=this;return void setTimeout(function(){e.emit("error","No transports available")},0)}t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)},n.prototype.setTransport=function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",function(){e.onDrain()}).on("packet",function(t){e.onPacket(t)}).on("error",function(t){e.onError(t)}).on("close",function(){e.onClose("transport close")})},n.prototype.probe=function(t){function e(){if(u.onlyBinaryUpgrades){var t=!this.supportsBinary&&u.transport.supportsBinary;h=h||t}h||(p.send([{type:"ping",data:"probe"}]),p.once("packet",function(t){if(!h)if("pong"===t.type&&"probe"===t.data){if(u.upgrading=!0,u.emit("upgrading",p),!p)return;n.priorWebsocketSuccess="websocket"===p.name,u.transport.pause(function(){h||"closed"!==u.readyState&&(c(),u.setTransport(p),p.send([{type:"upgrade"}]),u.emit("upgrade",p),p=null,u.upgrading=!1,u.flush())})}else{var e=new Error("probe error");e.transport=p.name,u.emit("upgradeError",e)}}))}function r(){h||(h=!0,c(),p.close(),p=null)}function o(t){var e=new Error("probe error: "+t);e.transport=p.name,r(),u.emit("upgradeError",e)}function i(){o("transport closed")}function s(){o("socket closed")}function a(t){p&&t.name!==p.name&&r()}function c(){p.removeListener("open",e),p.removeListener("error",o),p.removeListener("close",i),u.removeListener("close",s),u.removeListener("upgrading",a)}var p=this.createTransport(t,{probe:1}),h=!1,u=this;n.priorWebsocketSuccess=!1,p.once("open",e),p.once("error",o),p.once("close",i),this.once("close",s),this.once("upgrading",a),p.open()},n.prototype.onOpen=function(){if(this.readyState="open",n.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.upgrade&&this.transport.pause)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])},n.prototype.onPacket=function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}},n.prototype.onHandshake=function(t){this.emit("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!==this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},n.prototype.onHeartbeat=function(t){clearTimeout(this.pingTimeoutTimer);var e=this;e.pingTimeoutTimer=setTimeout(function(){"closed"!==e.readyState&&e.onClose("ping timeout")},t||e.pingInterval+e.pingTimeout)},n.prototype.setPing=function(){var t=this;clearTimeout(t.pingIntervalTimer),t.pingIntervalTimer=setTimeout(function(){t.ping(),t.onHeartbeat(t.pingTimeout)},t.pingInterval)},n.prototype.ping=function(){var t=this;this.sendPacket("ping",function(){t.emit("ping")})},n.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},n.prototype.flush=function(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},n.prototype.write=n.prototype.send=function(t,e,r){return this.sendPacket("message",t,e,r),this},n.prototype.sendPacket=function(t,e,r,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof r&&(n=r,r=null),"closing"!==this.readyState&&"closed"!==this.readyState){r=r||{},r.compress=!1!==r.compress;var o={type:t,data:e,options:r};this.emit("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}},n.prototype.close=function(){function t(){n.onClose("forced close"),n.transport.close()}function e(){n.removeListener("upgrade",e),n.removeListener("upgradeError",e),t()}function r(){n.once("upgrade",e),n.once("upgradeError",e)}if("opening"===this.readyState||"open"===this.readyState){this.readyState="closing";var n=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?r():t()}):this.upgrading?r():t()}return this},n.prototype.onError=function(t){n.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},n.prototype.onClose=function(t,e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState){var r=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",t,e),r.writeBuffer=[],r.prevBufferLen=0}},n.prototype.filterUpgrades=function(t){for(var e=[],r=0,n=t.length;r<n;r++)~a(this.transports,t[r])&&e.push(t[r]);return e}},function(t,e,r){function n(t){var e,r=!1,n=!1,a=!1!==t.jsonp;if("undefined"!=typeof location){var c="https:"===location.protocol,p=location.port;p||(p=c?443:80),r=t.hostname!==location.hostname||p!==t.port,n=t.secure!==c}if(t.xdomain=r,t.xscheme=n,e=new o(t),"open"in e&&!t.forceJSONP)return new i(t);if(!a)throw new Error("JSONP disabled");return new s(t)}var o=r(13),i=r(16),s=r(30),a=r(31);e.polling=n,e.websocket=a},function(t,e,r){var n=r(14),o=r(15);t.exports=function(t){var e=t.xdomain,r=t.xscheme,i=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||n))return new XMLHttpRequest}catch(t){}try{if("undefined"!=typeof XDomainRequest&&!r&&i)return new XDomainRequest}catch(t){}if(!e)try{return new(o[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(e){t.exports=!1}},function(t,e){t.exports=function(){return"undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")()}()},function(t,e,r){function n(){}function o(t){if(c.call(this,t),this.requestTimeout=t.requestTimeout,this.extraHeaders=t.extraHeaders,"undefined"!=typeof location){var e="https:"===location.protocol,r=location.port;r||(r=e?443:80),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||r!==t.port,this.xs=t.secure!==e}}function i(t){this.method=t.method||"GET",this.uri=t.uri,this.xd=!!t.xd,this.xs=!!t.xs,this.async=!1!==t.async,this.data=void 0!==t.data?t.data:null,this.agent=t.agent,this.isBinary=t.isBinary,this.supportsBinary=t.supportsBinary,this.enablesXDR=t.enablesXDR,this.withCredentials=t.withCredentials,this.requestTimeout=t.requestTimeout,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders,this.create()}function s(){for(var t in i.requests)i.requests.hasOwnProperty(t)&&i.requests[t].abort()}var a=r(13),c=r(17),p=r(5),h=r(28),u=(r(3)("engine.io-client:polling-xhr"),r(15));if(t.exports=o,t.exports.Request=i,h(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return t=t||{},t.uri=this.uri(),t.xd=this.xd,t.xs=this.xs,t.agent=this.agent||!1,t.supportsBinary=this.supportsBinary,t.enablesXDR=this.enablesXDR,t.withCredentials=this.withCredentials,t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized,t.requestTimeout=this.requestTimeout,t.extraHeaders=this.extraHeaders,new i(t)},o.prototype.doWrite=function(t,e){var r="string"!=typeof t&&void 0!==t,n=this.request({method:"POST",data:t,isBinary:r}),o=this;n.on("success",e),n.on("error",function(t){o.onError("xhr post error",t)}),this.sendXhr=n},o.prototype.doPoll=function(){var t=this.request(),e=this;t.on("data",function(t){e.onData(t)}),t.on("error",function(t){e.onError("xhr poll error",t)}),this.pollXhr=t},p(i.prototype),i.prototype.create=function(){var t={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized;var e=this.xhr=new a(t),r=this;try{e.open(this.method,this.uri,this.async);try{if(this.extraHeaders){e.setDisableHeaderCheck&&e.setDisableHeaderCheck(!0);for(var n in this.extraHeaders)this.extraHeaders.hasOwnProperty(n)&&e.setRequestHeader(n,this.extraHeaders[n])}}catch(t){}if("POST"===this.method)try{this.isBinary?e.setRequestHeader("Content-type","application/octet-stream"):e.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{e.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in e&&(e.withCredentials=this.withCredentials),this.requestTimeout&&(e.timeout=this.requestTimeout),this.hasXDR()?(e.onload=function(){r.onLoad()},e.onerror=function(){r.onError(e.responseText)}):e.onreadystatechange=function(){if(2===e.readyState)try{var t=e.getResponseHeader("Content-Type");(r.supportsBinary&&"application/octet-stream"===t||"application/octet-stream; charset=UTF-8"===t)&&(e.responseType="arraybuffer")}catch(t){}4===e.readyState&&(200===e.status||1223===e.status?r.onLoad():setTimeout(function(){r.onError("number"==typeof e.status?e.status:0)},0))},e.send(this.data)}catch(t){return void setTimeout(function(){r.onError(t)},0)}"undefined"!=typeof document&&(this.index=i.requestsCount++,i.requests[this.index]=this)},i.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},i.prototype.onData=function(t){this.emit("data",t),this.onSuccess()},i.prototype.onError=function(t){this.emit("error",t),this.cleanup(!0)},i.prototype.cleanup=function(t){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=n:this.xhr.onreadystatechange=n,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete i.requests[this.index],this.xhr=null}},i.prototype.onLoad=function(){var t;try{var e;try{e=this.xhr.getResponseHeader("Content-Type")}catch(t){}t="application/octet-stream"===e||"application/octet-stream; charset=UTF-8"===e?this.xhr.response||this.xhr.responseText:this.xhr.responseText}catch(t){this.onError(t)}null!=t&&this.onData(t)},i.prototype.hasXDR=function(){return"undefined"!=typeof XDomainRequest&&!this.xs&&this.enablesXDR},i.prototype.abort=function(){this.cleanup()},i.requestsCount=0,i.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",s);else if("function"==typeof addEventListener){var f="onpagehide"in u?"pagehide":"unload";addEventListener(f,s,!1)}},function(t,e,r){function n(t){var e=t&&t.forceBase64;p&&!e||(this.supportsBinary=!1),o.call(this,t)}var o=r(18),i=r(27),s=r(19),a=r(28),c=r(29);r(3)("engine.io-client:polling");t.exports=n;var p=function(){var t=r(13),e=new t({xdomain:!1});return null!=e.responseType}();a(n,o),n.prototype.name="polling",n.prototype.doOpen=function(){this.poll()},n.prototype.pause=function(t){function e(){r.readyState="paused",t()}var r=this;if(this.readyState="pausing",this.polling||!this.writable){var n=0;this.polling&&(n++,this.once("pollComplete",function(){--n||e()})),this.writable||(n++,this.once("drain",function(){--n||e()}))}else e()},n.prototype.poll=function(){this.polling=!0,this.doPoll(),this.emit("poll")},n.prototype.onData=function(t){var e=this,r=function(t,r,n){return"opening"===e.readyState&&e.onOpen(),"close"===t.type?(e.onClose(),!1):void e.onPacket(t)};s.decodePayload(t,this.socket.binaryType,r),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState&&this.poll())},n.prototype.doClose=function(){function t(){e.write([{type:"close"}])}var e=this;"open"===this.readyState?t():this.once("open",t)},n.prototype.write=function(t){var e=this;this.writable=!1;var r=function(){e.writable=!0,e.emit("drain")};s.encodePayload(t,this.supportsBinary,function(t){e.doWrite(t,r)})},n.prototype.uri=function(){var t=this.query||{},e=this.secure?"https":"http",r="";!1!==this.timestampRequests&&(t[this.timestampParam]=c()),this.supportsBinary||t.sid||(t.b64=1),t=i.encode(t),this.port&&("https"===e&&443!==Number(this.port)||"http"===e&&80!==Number(this.port))&&(r=":"+this.port),t.length&&(t="?"+t);var n=this.hostname.indexOf(":")!==-1;return e+"://"+(n?"["+this.hostname+"]":this.hostname)+r+this.path+t}},function(t,e,r){function n(t){this.path=t.path,this.hostname=t.hostname,this.port=t.port,this.secure=t.secure,this.query=t.query,this.timestampParam=t.timestampParam,this.timestampRequests=t.timestampRequests,this.readyState="",this.agent=t.agent||!1,this.socket=t.socket,this.enablesXDR=t.enablesXDR,this.withCredentials=t.withCredentials,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.forceNode=t.forceNode,this.isReactNative=t.isReactNative,
-this.extraHeaders=t.extraHeaders,this.localAddress=t.localAddress}var o=r(19),i=r(5);t.exports=n,i(n.prototype),n.prototype.onError=function(t,e){var r=new Error(t);return r.type="TransportError",r.description=e,this.emit("error",r),this},n.prototype.open=function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this},n.prototype.close=function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this},n.prototype.send=function(t){if("open"!==this.readyState)throw new Error("Transport not open");this.write(t)},n.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},n.prototype.onData=function(t){var e=o.decodePacket(t,this.socket.binaryType);this.onPacket(e)},n.prototype.onPacket=function(t){this.emit("packet",t)},n.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},function(t,e,r){function n(t,r){var n="b"+e.packets[t.type]+t.data.data;return r(n)}function o(t,r,n){if(!r)return e.encodeBase64Packet(t,n);var o=t.data,i=new Uint8Array(o),s=new Uint8Array(1+o.byteLength);s[0]=v[t.type];for(var a=0;a<i.length;a++)s[a+1]=i[a];return n(s.buffer)}function i(t,r,n){if(!r)return e.encodeBase64Packet(t,n);var o=new FileReader;return o.onload=function(){e.encodePacket({type:t.type,data:o.result},r,!0,n)},o.readAsArrayBuffer(t.data)}function s(t,r,n){if(!r)return e.encodeBase64Packet(t,n);if(g)return i(t,r,n);var o=new Uint8Array(1);o[0]=v[t.type];var s=new w([o.buffer,t.data]);return n(s)}function a(t){try{t=d.decode(t,{strict:!1})}catch(t){return!1}return t}function c(t,e,r){for(var n=new Array(t.length),o=l(t.length,r),i=function(t,r,o){e(r,function(e,r){n[t]=r,o(e,n)})},s=0;s<t.length;s++)i(s,t[s],o)}var p,h=r(20),u=r(21),f=r(22),l=r(23),d=r(24);"undefined"!=typeof ArrayBuffer&&(p=r(25));var y="undefined"!=typeof navigator&&/Android/i.test(navigator.userAgent),m="undefined"!=typeof navigator&&/PhantomJS/i.test(navigator.userAgent),g=y||m;e.protocol=3;var v=e.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6},b=h(v),k={type:"error",data:"parser error"},w=r(26);e.encodePacket=function(t,e,r,i){"function"==typeof e&&(i=e,e=!1),"function"==typeof r&&(i=r,r=null);var a=void 0===t.data?void 0:t.data.buffer||t.data;if("undefined"!=typeof ArrayBuffer&&a instanceof ArrayBuffer)return o(t,e,i);if("undefined"!=typeof w&&a instanceof w)return s(t,e,i);if(a&&a.base64)return n(t,i);var c=v[t.type];return void 0!==t.data&&(c+=r?d.encode(String(t.data),{strict:!1}):String(t.data)),i(""+c)},e.encodeBase64Packet=function(t,r){var n="b"+e.packets[t.type];if("undefined"!=typeof w&&t.data instanceof w){var o=new FileReader;return o.onload=function(){var t=o.result.split(",")[1];r(n+t)},o.readAsDataURL(t.data)}var i;try{i=String.fromCharCode.apply(null,new Uint8Array(t.data))}catch(e){for(var s=new Uint8Array(t.data),a=new Array(s.length),c=0;c<s.length;c++)a[c]=s[c];i=String.fromCharCode.apply(null,a)}return n+=btoa(i),r(n)},e.decodePacket=function(t,r,n){if(void 0===t)return k;if("string"==typeof t){if("b"===t.charAt(0))return e.decodeBase64Packet(t.substr(1),r);if(n&&(t=a(t),t===!1))return k;var o=t.charAt(0);return Number(o)==o&&b[o]?t.length>1?{type:b[o],data:t.substring(1)}:{type:b[o]}:k}var i=new Uint8Array(t),o=i[0],s=f(t,1);return w&&"blob"===r&&(s=new w([s])),{type:b[o],data:s}},e.decodeBase64Packet=function(t,e){var r=b[t.charAt(0)];if(!p)return{type:r,data:{base64:!0,data:t.substr(1)}};var n=p.decode(t.substr(1));return"blob"===e&&w&&(n=new w([n])),{type:r,data:n}},e.encodePayload=function(t,r,n){function o(t){return t.length+":"+t}function i(t,n){e.encodePacket(t,!!s&&r,!1,function(t){n(null,o(t))})}"function"==typeof r&&(n=r,r=null);var s=u(t);return r&&s?w&&!g?e.encodePayloadAsBlob(t,n):e.encodePayloadAsArrayBuffer(t,n):t.length?void c(t,i,function(t,e){return n(e.join(""))}):n("0:")},e.decodePayload=function(t,r,n){if("string"!=typeof t)return e.decodePayloadAsBinary(t,r,n);"function"==typeof r&&(n=r,r=null);var o;if(""===t)return n(k,0,1);for(var i,s,a="",c=0,p=t.length;c<p;c++){var h=t.charAt(c);if(":"===h){if(""===a||a!=(i=Number(a)))return n(k,0,1);if(s=t.substr(c+1,i),a!=s.length)return n(k,0,1);if(s.length){if(o=e.decodePacket(s,r,!1),k.type===o.type&&k.data===o.data)return n(k,0,1);var u=n(o,c+i,p);if(!1===u)return}c+=i,a=""}else a+=h}return""!==a?n(k,0,1):void 0},e.encodePayloadAsArrayBuffer=function(t,r){function n(t,r){e.encodePacket(t,!0,!0,function(t){return r(null,t)})}return t.length?void c(t,n,function(t,e){var n=e.reduce(function(t,e){var r;return r="string"==typeof e?e.length:e.byteLength,t+r.toString().length+r+2},0),o=new Uint8Array(n),i=0;return e.forEach(function(t){var e="string"==typeof t,r=t;if(e){for(var n=new Uint8Array(t.length),s=0;s<t.length;s++)n[s]=t.charCodeAt(s);r=n.buffer}e?o[i++]=0:o[i++]=1;for(var 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diff --git a/web/app/static/js/socket.io.slim.js.map b/web/app/static/js/socket.io.slim.js.map
deleted file mode 100644
index e1840d1b..00000000
--- a/web/app/static/js/socket.io.slim.js.map
+++ /dev/null
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\t__webpack_require__.c = installedModules;\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(0);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar url = __webpack_require__(1);\n\tvar parser = __webpack_require__(4);\n\tvar Manager = __webpack_require__(9);\n\tvar debug = __webpack_require__(3)('socket.io-client');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = exports = lookup;\n\t\n\t/**\n\t * Managers cache.\n\t */\n\t\n\tvar cache = exports.managers = {};\n\t\n\t/**\n\t * Looks up an existing `Manager` for multiplexing.\n\t * If the user summons:\n\t *\n\t * `io('http://localhost/a');`\n\t * `io('http://localhost/b');`\n\t *\n\t * We reuse the existing instance based on same scheme/port/host,\n\t * and we initialize sockets for each namespace.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction lookup(uri, opts) {\n\t if ((typeof uri === 'undefined' ? 'undefined' : _typeof(uri)) === 'object') {\n\t opts = uri;\n\t uri = undefined;\n\t }\n\t\n\t opts = opts || {};\n\t\n\t var parsed = url(uri);\n\t var source = parsed.source;\n\t var id = parsed.id;\n\t var path = parsed.path;\n\t var sameNamespace = cache[id] && path in cache[id].nsps;\n\t var newConnection = opts.forceNew || opts['force new connection'] || false === opts.multiplex || sameNamespace;\n\t\n\t var io;\n\t\n\t if (newConnection) {\n\t\n\t io = Manager(source, opts);\n\t } else {\n\t if (!cache[id]) {\n\t\n\t cache[id] = Manager(source, opts);\n\t }\n\t io = cache[id];\n\t }\n\t if (parsed.query && !opts.query) {\n\t opts.query = parsed.query;\n\t }\n\t return io.socket(parsed.path, opts);\n\t}\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\texports.protocol = parser.protocol;\n\t\n\t/**\n\t * `connect`.\n\t *\n\t * @param {String} uri\n\t * @api public\n\t */\n\t\n\texports.connect = lookup;\n\t\n\t/**\n\t * Expose constructors for standalone build.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Manager = __webpack_require__(9);\n\texports.Socket = __webpack_require__(34);\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parseuri = __webpack_require__(2);\n\tvar debug = __webpack_require__(3)('socket.io-client:url');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = url;\n\t\n\t/**\n\t * URL parser.\n\t *\n\t * @param {String} url\n\t * @param {Object} An object meant to mimic window.location.\n\t * Defaults to window.location.\n\t * @api public\n\t */\n\t\n\tfunction url(uri, loc) {\n\t var obj = uri;\n\t\n\t // default to window.location\n\t loc = loc || typeof location !== 'undefined' && location;\n\t if (null == uri) uri = loc.protocol + '//' + loc.host;\n\t\n\t // relative path support\n\t if ('string' === typeof uri) {\n\t if ('/' === uri.charAt(0)) {\n\t if ('/' === uri.charAt(1)) {\n\t uri = loc.protocol + uri;\n\t } else {\n\t uri = loc.host + uri;\n\t }\n\t }\n\t\n\t if (!/^(https?|wss?):\\/\\//.test(uri)) {\n\t\n\t if ('undefined' !== typeof loc) {\n\t uri = loc.protocol + '//' + uri;\n\t } else {\n\t uri = 'https://' + uri;\n\t }\n\t }\n\t\n\t // parse\n\t\n\t obj = parseuri(uri);\n\t }\n\t\n\t // make sure we treat `localhost:80` and `localhost` equally\n\t if (!obj.port) {\n\t if (/^(http|ws)$/.test(obj.protocol)) {\n\t obj.port = '80';\n\t } else if (/^(http|ws)s$/.test(obj.protocol)) {\n\t obj.port = '443';\n\t }\n\t }\n\t\n\t obj.path = obj.path || '/';\n\t\n\t var ipv6 = obj.host.indexOf(':') !== -1;\n\t var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\t\n\t // define unique id\n\t obj.id = obj.protocol + '://' + host + ':' + obj.port;\n\t // define href\n\t obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : ':' + obj.port);\n\t\n\t return obj;\n\t}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * Parses an URI\n\t *\n\t * @author Steven Levithan <stevenlevithan.com> (MIT license)\n\t * @api private\n\t */\n\t\n\tvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\n\t\n\tvar parts = [\n\t 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n\t];\n\t\n\tmodule.exports = function parseuri(str) {\n\t var src = str,\n\t b = str.indexOf('['),\n\t e = str.indexOf(']');\n\t\n\t if (b != -1 && e != -1) {\n\t str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n\t }\n\t\n\t var m = re.exec(str || ''),\n\t uri = {},\n\t i = 14;\n\t\n\t while (i--) {\n\t uri[parts[i]] = m[i] || '';\n\t }\n\t\n\t if (b != -1 && e != -1) {\n\t uri.source = src;\n\t uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n\t uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n\t uri.ipv6uri = true;\n\t }\n\t\n\t uri.pathNames = pathNames(uri, uri['path']);\n\t uri.queryKey = queryKey(uri, uri['query']);\n\t\n\t return uri;\n\t};\n\t\n\tfunction pathNames(obj, path) {\n\t var regx = /\\/{2,9}/g,\n\t names = path.replace(regx, \"/\").split(\"/\");\n\t\n\t if (path.substr(0, 1) == '/' || path.length === 0) {\n\t names.splice(0, 1);\n\t }\n\t if (path.substr(path.length - 1, 1) == '/') {\n\t names.splice(names.length - 1, 1);\n\t }\n\t\n\t return names;\n\t}\n\t\n\tfunction queryKey(uri, query) {\n\t var data = {};\n\t\n\t query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n\t if ($1) {\n\t data[$1] = $2;\n\t }\n\t });\n\t\n\t return data;\n\t}\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\tmodule.exports = function () {\n\t return function () {};\n\t};\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar debug = __webpack_require__(3)('socket.io-parser');\n\tvar Emitter = __webpack_require__(5);\n\tvar binary = __webpack_require__(6);\n\tvar isArray = __webpack_require__(7);\n\tvar isBuf = __webpack_require__(8);\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\texports.protocol = 4;\n\t\n\t/**\n\t * Packet types.\n\t *\n\t * @api public\n\t */\n\t\n\texports.types = [\n\t 'CONNECT',\n\t 'DISCONNECT',\n\t 'EVENT',\n\t 'ACK',\n\t 'ERROR',\n\t 'BINARY_EVENT',\n\t 'BINARY_ACK'\n\t];\n\t\n\t/**\n\t * Packet type `connect`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.CONNECT = 0;\n\t\n\t/**\n\t * Packet type `disconnect`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.DISCONNECT = 1;\n\t\n\t/**\n\t * Packet type `event`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.EVENT = 2;\n\t\n\t/**\n\t * Packet type `ack`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.ACK = 3;\n\t\n\t/**\n\t * Packet type `error`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.ERROR = 4;\n\t\n\t/**\n\t * Packet type 'binary event'\n\t *\n\t * @api public\n\t */\n\t\n\texports.BINARY_EVENT = 5;\n\t\n\t/**\n\t * Packet type `binary ack`. For acks with binary arguments.\n\t *\n\t * @api public\n\t */\n\t\n\texports.BINARY_ACK = 6;\n\t\n\t/**\n\t * Encoder constructor.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Encoder = Encoder;\n\t\n\t/**\n\t * Decoder constructor.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Decoder = Decoder;\n\t\n\t/**\n\t * A socket.io Encoder instance\n\t *\n\t * @api public\n\t */\n\t\n\tfunction Encoder() {}\n\t\n\tvar ERROR_PACKET = exports.ERROR + '\"encode error\"';\n\t\n\t/**\n\t * Encode a packet as a single string if non-binary, or as a\n\t * buffer sequence, depending on packet type.\n\t *\n\t * @param {Object} obj - packet object\n\t * @param {Function} callback - function to handle encodings (likely engine.write)\n\t * @return Calls callback with Array of encodings\n\t * @api public\n\t */\n\t\n\tEncoder.prototype.encode = function(obj, callback){\n\t\n\t\n\t if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n\t encodeAsBinary(obj, callback);\n\t } else {\n\t var encoding = encodeAsString(obj);\n\t callback([encoding]);\n\t }\n\t};\n\t\n\t/**\n\t * Encode packet as string.\n\t *\n\t * @param {Object} packet\n\t * @return {String} encoded\n\t * @api private\n\t */\n\t\n\tfunction encodeAsString(obj) {\n\t\n\t // first is type\n\t var str = '' + obj.type;\n\t\n\t // attachments if we have them\n\t if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n\t str += obj.attachments + '-';\n\t }\n\t\n\t // if we have a namespace other than `/`\n\t // we append it followed by a comma `,`\n\t if (obj.nsp && '/' !== obj.nsp) {\n\t str += obj.nsp + ',';\n\t }\n\t\n\t // immediately followed by the id\n\t if (null != obj.id) {\n\t str += obj.id;\n\t }\n\t\n\t // json data\n\t if (null != obj.data) {\n\t var payload = tryStringify(obj.data);\n\t if (payload !== false) {\n\t str += payload;\n\t } else {\n\t return ERROR_PACKET;\n\t }\n\t }\n\t\n\t\n\t return str;\n\t}\n\t\n\tfunction tryStringify(str) {\n\t try {\n\t return JSON.stringify(str);\n\t } catch(e){\n\t return false;\n\t }\n\t}\n\t\n\t/**\n\t * Encode packet as 'buffer sequence' by removing blobs, and\n\t * deconstructing packet into object with placeholders and\n\t * a list of buffers.\n\t *\n\t * @param {Object} packet\n\t * @return {Buffer} encoded\n\t * @api private\n\t */\n\t\n\tfunction encodeAsBinary(obj, callback) {\n\t\n\t function writeEncoding(bloblessData) {\n\t var deconstruction = binary.deconstructPacket(bloblessData);\n\t var pack = encodeAsString(deconstruction.packet);\n\t var buffers = deconstruction.buffers;\n\t\n\t buffers.unshift(pack); // add packet info to beginning of data list\n\t callback(buffers); // write all the buffers\n\t }\n\t\n\t binary.removeBlobs(obj, writeEncoding);\n\t}\n\t\n\t/**\n\t * A socket.io Decoder instance\n\t *\n\t * @return {Object} decoder\n\t * @api public\n\t */\n\t\n\tfunction Decoder() {\n\t this.reconstructor = null;\n\t}\n\t\n\t/**\n\t * Mix in `Emitter` with Decoder.\n\t */\n\t\n\tEmitter(Decoder.prototype);\n\t\n\t/**\n\t * Decodes an encoded packet string into packet JSON.\n\t *\n\t * @param {String} obj - encoded packet\n\t * @return {Object} packet\n\t * @api public\n\t */\n\t\n\tDecoder.prototype.add = function(obj) {\n\t var packet;\n\t if (typeof obj === 'string') {\n\t packet = decodeString(obj);\n\t if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json\n\t this.reconstructor = new BinaryReconstructor(packet);\n\t\n\t // no attachments, labeled binary but no binary data to follow\n\t if (this.reconstructor.reconPack.attachments === 0) {\n\t this.emit('decoded', packet);\n\t }\n\t } else { // non-binary full packet\n\t this.emit('decoded', packet);\n\t }\n\t } else if (isBuf(obj) || obj.base64) { // raw binary data\n\t if (!this.reconstructor) {\n\t throw new Error('got binary data when not reconstructing a packet');\n\t } else {\n\t packet = this.reconstructor.takeBinaryData(obj);\n\t if (packet) { // received final buffer\n\t this.reconstructor = null;\n\t this.emit('decoded', packet);\n\t }\n\t }\n\t } else {\n\t throw new Error('Unknown type: ' + obj);\n\t }\n\t};\n\t\n\t/**\n\t * Decode a packet String (JSON data)\n\t *\n\t * @param {String} str\n\t * @return {Object} packet\n\t * @api private\n\t */\n\t\n\tfunction decodeString(str) {\n\t var i = 0;\n\t // look up type\n\t var p = {\n\t type: Number(str.charAt(0))\n\t };\n\t\n\t if (null == exports.types[p.type]) {\n\t return error('unknown packet type ' + p.type);\n\t }\n\t\n\t // look up attachments if type binary\n\t if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {\n\t var buf = '';\n\t while (str.charAt(++i) !== '-') {\n\t buf += str.charAt(i);\n\t if (i == str.length) break;\n\t }\n\t if (buf != Number(buf) || str.charAt(i) !== '-') {\n\t throw new Error('Illegal attachments');\n\t }\n\t p.attachments = Number(buf);\n\t }\n\t\n\t // look up namespace (if any)\n\t if ('/' === str.charAt(i + 1)) {\n\t p.nsp = '';\n\t while (++i) {\n\t var c = str.charAt(i);\n\t if (',' === c) break;\n\t p.nsp += c;\n\t if (i === str.length) break;\n\t }\n\t } else {\n\t p.nsp = '/';\n\t }\n\t\n\t // look up id\n\t var next = str.charAt(i + 1);\n\t if ('' !== next && Number(next) == next) {\n\t p.id = '';\n\t while (++i) {\n\t var c = str.charAt(i);\n\t if (null == c || Number(c) != c) {\n\t --i;\n\t break;\n\t }\n\t p.id += str.charAt(i);\n\t if (i === str.length) break;\n\t }\n\t p.id = Number(p.id);\n\t }\n\t\n\t // look up json data\n\t if (str.charAt(++i)) {\n\t var payload = tryParse(str.substr(i));\n\t var isPayloadValid = payload !== false && (p.type === exports.ERROR || isArray(payload));\n\t if (isPayloadValid) {\n\t p.data = payload;\n\t } else {\n\t return error('invalid payload');\n\t }\n\t }\n\t\n\t\n\t return p;\n\t}\n\t\n\tfunction tryParse(str) {\n\t try {\n\t return JSON.parse(str);\n\t } catch(e){\n\t return false;\n\t }\n\t}\n\t\n\t/**\n\t * Deallocates a parser's resources\n\t *\n\t * @api public\n\t */\n\t\n\tDecoder.prototype.destroy = function() {\n\t if (this.reconstructor) {\n\t this.reconstructor.finishedReconstruction();\n\t }\n\t};\n\t\n\t/**\n\t * A manager of a binary event's 'buffer sequence'. Should\n\t * be constructed whenever a packet of type BINARY_EVENT is\n\t * decoded.\n\t *\n\t * @param {Object} packet\n\t * @return {BinaryReconstructor} initialized reconstructor\n\t * @api private\n\t */\n\t\n\tfunction BinaryReconstructor(packet) {\n\t this.reconPack = packet;\n\t this.buffers = [];\n\t}\n\t\n\t/**\n\t * Method to be called when binary data received from connection\n\t * after a BINARY_EVENT packet.\n\t *\n\t * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n\t * @return {null | Object} returns null if more binary data is expected or\n\t * a reconstructed packet object if all buffers have been received.\n\t * @api private\n\t */\n\t\n\tBinaryReconstructor.prototype.takeBinaryData = function(binData) {\n\t this.buffers.push(binData);\n\t if (this.buffers.length === this.reconPack.attachments) { // done with buffer list\n\t var packet = binary.reconstructPacket(this.reconPack, this.buffers);\n\t this.finishedReconstruction();\n\t return packet;\n\t }\n\t return null;\n\t};\n\t\n\t/**\n\t * Cleans up binary packet reconstruction variables.\n\t *\n\t * @api private\n\t */\n\t\n\tBinaryReconstructor.prototype.finishedReconstruction = function() {\n\t this.reconPack = null;\n\t this.buffers = [];\n\t};\n\t\n\tfunction error(msg) {\n\t return {\n\t type: exports.ERROR,\n\t data: 'parser error: ' + msg\n\t };\n\t}\n\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\r\n\t/**\r\n\t * Expose `Emitter`.\r\n\t */\r\n\t\r\n\tif (true) {\r\n\t module.exports = Emitter;\r\n\t}\r\n\t\r\n\t/**\r\n\t * Initialize a new `Emitter`.\r\n\t *\r\n\t * @api public\r\n\t */\r\n\t\r\n\tfunction Emitter(obj) {\r\n\t if (obj) return mixin(obj);\r\n\t};\r\n\t\r\n\t/**\r\n\t * Mixin the emitter properties.\r\n\t *\r\n\t * @param {Object} obj\r\n\t * @return {Object}\r\n\t * @api private\r\n\t */\r\n\t\r\n\tfunction mixin(obj) {\r\n\t for (var key in Emitter.prototype) {\r\n\t obj[key] = Emitter.prototype[key];\r\n\t }\r\n\t return obj;\r\n\t}\r\n\t\r\n\t/**\r\n\t * Listen on the given `event` with `fn`.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.on =\r\n\tEmitter.prototype.addEventListener = function(event, fn){\r\n\t this._callbacks = this._callbacks || {};\r\n\t (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n\t .push(fn);\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Adds an `event` listener that will be invoked a single\r\n\t * time then automatically removed.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.once = function(event, fn){\r\n\t function on() {\r\n\t this.off(event, on);\r\n\t fn.apply(this, arguments);\r\n\t }\r\n\t\r\n\t on.fn = fn;\r\n\t this.on(event, on);\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Remove the given callback for `event` or all\r\n\t * registered callbacks.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.off =\r\n\tEmitter.prototype.removeListener =\r\n\tEmitter.prototype.removeAllListeners =\r\n\tEmitter.prototype.removeEventListener = function(event, fn){\r\n\t this._callbacks = this._callbacks || {};\r\n\t\r\n\t // all\r\n\t if (0 == arguments.length) {\r\n\t this._callbacks = {};\r\n\t return this;\r\n\t }\r\n\t\r\n\t // specific event\r\n\t var callbacks = this._callbacks['$' + event];\r\n\t if (!callbacks) return this;\r\n\t\r\n\t // remove all handlers\r\n\t if (1 == arguments.length) {\r\n\t delete this._callbacks['$' + event];\r\n\t return this;\r\n\t }\r\n\t\r\n\t // remove specific handler\r\n\t var cb;\r\n\t for (var i = 0; i < callbacks.length; i++) {\r\n\t cb = callbacks[i];\r\n\t if (cb === fn || cb.fn === fn) {\r\n\t callbacks.splice(i, 1);\r\n\t break;\r\n\t }\r\n\t }\r\n\t\r\n\t // Remove event specific arrays for event types that no\r\n\t // one is subscribed for to avoid memory leak.\r\n\t if (callbacks.length === 0) {\r\n\t delete this._callbacks['$' + event];\r\n\t }\r\n\t\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Emit `event` with the given args.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Mixed} ...\r\n\t * @return {Emitter}\r\n\t */\r\n\t\r\n\tEmitter.prototype.emit = function(event){\r\n\t this._callbacks = this._callbacks || {};\r\n\t\r\n\t var args = new Array(arguments.length - 1)\r\n\t , callbacks = this._callbacks['$' + event];\r\n\t\r\n\t for (var i = 1; i < arguments.length; i++) {\r\n\t args[i - 1] = arguments[i];\r\n\t }\r\n\t\r\n\t if (callbacks) {\r\n\t callbacks = callbacks.slice(0);\r\n\t for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n\t callbacks[i].apply(this, args);\r\n\t }\r\n\t }\r\n\t\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Return array of callbacks for `event`.\r\n\t *\r\n\t * @param {String} event\r\n\t * @return {Array}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.listeners = function(event){\r\n\t this._callbacks = this._callbacks || {};\r\n\t return this._callbacks['$' + event] || [];\r\n\t};\r\n\t\r\n\t/**\r\n\t * Check if this emitter has `event` handlers.\r\n\t *\r\n\t * @param {String} event\r\n\t * @return {Boolean}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.hasListeners = function(event){\r\n\t return !! this.listeners(event).length;\r\n\t};\r\n\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/*global Blob,File*/\n\t\n\t/**\n\t * Module requirements\n\t */\n\t\n\tvar isArray = __webpack_require__(7);\n\tvar isBuf = __webpack_require__(8);\n\tvar toString = Object.prototype.toString;\n\tvar withNativeBlob = typeof Blob === 'function' || (typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]');\n\tvar withNativeFile = typeof File === 'function' || (typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]');\n\t\n\t/**\n\t * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.\n\t * Anything with blobs or files should be fed through removeBlobs before coming\n\t * here.\n\t *\n\t * @param {Object} packet - socket.io event packet\n\t * @return {Object} with deconstructed packet and list of buffers\n\t * @api public\n\t */\n\t\n\texports.deconstructPacket = function(packet) {\n\t var buffers = [];\n\t var packetData = packet.data;\n\t var pack = packet;\n\t pack.data = _deconstructPacket(packetData, buffers);\n\t pack.attachments = buffers.length; // number of binary 'attachments'\n\t return {packet: pack, buffers: buffers};\n\t};\n\t\n\tfunction _deconstructPacket(data, buffers) {\n\t if (!data) return data;\n\t\n\t if (isBuf(data)) {\n\t var placeholder = { _placeholder: true, num: buffers.length };\n\t buffers.push(data);\n\t return placeholder;\n\t } else if (isArray(data)) {\n\t var newData = new Array(data.length);\n\t for (var i = 0; i < data.length; i++) {\n\t newData[i] = _deconstructPacket(data[i], buffers);\n\t }\n\t return newData;\n\t } else if (typeof data === 'object' && !(data instanceof Date)) {\n\t var newData = {};\n\t for (var key in data) {\n\t newData[key] = _deconstructPacket(data[key], buffers);\n\t }\n\t return newData;\n\t }\n\t return data;\n\t}\n\t\n\t/**\n\t * Reconstructs a binary packet from its placeholder packet and buffers\n\t *\n\t * @param {Object} packet - event packet with placeholders\n\t * @param {Array} buffers - binary buffers to put in placeholder positions\n\t * @return {Object} reconstructed packet\n\t * @api public\n\t */\n\t\n\texports.reconstructPacket = function(packet, buffers) {\n\t packet.data = _reconstructPacket(packet.data, buffers);\n\t packet.attachments = undefined; // no longer useful\n\t return packet;\n\t};\n\t\n\tfunction _reconstructPacket(data, buffers) {\n\t if (!data) return data;\n\t\n\t if (data && data._placeholder) {\n\t return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n\t } else if (isArray(data)) {\n\t for (var i = 0; i < data.length; i++) {\n\t data[i] = _reconstructPacket(data[i], buffers);\n\t }\n\t } else if (typeof data === 'object') {\n\t for (var key in data) {\n\t data[key] = _reconstructPacket(data[key], buffers);\n\t }\n\t }\n\t\n\t return data;\n\t}\n\t\n\t/**\n\t * Asynchronously removes Blobs or Files from data via\n\t * FileReader's readAsArrayBuffer method. Used before encoding\n\t * data as msgpack. Calls callback with the blobless data.\n\t *\n\t * @param {Object} data\n\t * @param {Function} callback\n\t * @api private\n\t */\n\t\n\texports.removeBlobs = function(data, callback) {\n\t function _removeBlobs(obj, curKey, containingObject) {\n\t if (!obj) return obj;\n\t\n\t // convert any blob\n\t if ((withNativeBlob && obj instanceof Blob) ||\n\t (withNativeFile && obj instanceof File)) {\n\t pendingBlobs++;\n\t\n\t // async filereader\n\t var fileReader = new FileReader();\n\t fileReader.onload = function() { // this.result == arraybuffer\n\t if (containingObject) {\n\t containingObject[curKey] = this.result;\n\t }\n\t else {\n\t bloblessData = this.result;\n\t }\n\t\n\t // if nothing pending its callback time\n\t if(! --pendingBlobs) {\n\t callback(bloblessData);\n\t }\n\t };\n\t\n\t fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer\n\t } else if (isArray(obj)) { // handle array\n\t for (var i = 0; i < obj.length; i++) {\n\t _removeBlobs(obj[i], i, obj);\n\t }\n\t } else if (typeof obj === 'object' && !isBuf(obj)) { // and object\n\t for (var key in obj) {\n\t _removeBlobs(obj[key], key, obj);\n\t }\n\t }\n\t }\n\t\n\t var pendingBlobs = 0;\n\t var bloblessData = data;\n\t _removeBlobs(bloblessData);\n\t if (!pendingBlobs) {\n\t callback(bloblessData);\n\t }\n\t};\n\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports) {\n\n\tvar toString = {}.toString;\n\t\n\tmodule.exports = Array.isArray || function (arr) {\n\t return toString.call(arr) == '[object Array]';\n\t};\n\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports) {\n\n\t\n\tmodule.exports = isBuf;\n\t\n\tvar withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function';\n\tvar withNativeArrayBuffer = typeof ArrayBuffer === 'function';\n\t\n\tvar isView = function (obj) {\n\t return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer);\n\t};\n\t\n\t/**\n\t * Returns true if obj is a buffer or an arraybuffer.\n\t *\n\t * @api private\n\t */\n\t\n\tfunction isBuf(obj) {\n\t return (withNativeBuffer && Buffer.isBuffer(obj)) ||\n\t (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)));\n\t}\n\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar eio = __webpack_require__(10);\n\tvar Socket = __webpack_require__(34);\n\tvar Emitter = __webpack_require__(5);\n\tvar parser = __webpack_require__(4);\n\tvar on = __webpack_require__(36);\n\tvar bind = __webpack_require__(37);\n\tvar debug = __webpack_require__(3)('socket.io-client:manager');\n\tvar indexOf = __webpack_require__(33);\n\tvar Backoff = __webpack_require__(38);\n\t\n\t/**\n\t * IE6+ hasOwnProperty\n\t */\n\t\n\tvar has = Object.prototype.hasOwnProperty;\n\t\n\t/**\n\t * Module exports\n\t */\n\t\n\tmodule.exports = Manager;\n\t\n\t/**\n\t * `Manager` constructor.\n\t *\n\t * @param {String} engine instance or engine uri/opts\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Manager(uri, opts) {\n\t if (!(this instanceof Manager)) return new Manager(uri, opts);\n\t if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {\n\t opts = uri;\n\t uri = undefined;\n\t }\n\t opts = opts || {};\n\t\n\t opts.path = opts.path || '/socket.io';\n\t this.nsps = {};\n\t this.subs = [];\n\t this.opts = opts;\n\t this.reconnection(opts.reconnection !== false);\n\t this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n\t this.reconnectionDelay(opts.reconnectionDelay || 1000);\n\t this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n\t this.randomizationFactor(opts.randomizationFactor || 0.5);\n\t this.backoff = new Backoff({\n\t min: this.reconnectionDelay(),\n\t max: this.reconnectionDelayMax(),\n\t jitter: this.randomizationFactor()\n\t });\n\t this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n\t this.readyState = 'closed';\n\t this.uri = uri;\n\t this.connecting = [];\n\t this.lastPing = null;\n\t this.encoding = false;\n\t this.packetBuffer = [];\n\t var _parser = opts.parser || parser;\n\t this.encoder = new _parser.Encoder();\n\t this.decoder = new _parser.Decoder();\n\t this.autoConnect = opts.autoConnect !== false;\n\t if (this.autoConnect) this.open();\n\t}\n\t\n\t/**\n\t * Propagate given event to sockets and emit on `this`\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.emitAll = function () {\n\t this.emit.apply(this, arguments);\n\t for (var nsp in this.nsps) {\n\t if (has.call(this.nsps, nsp)) {\n\t this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Update `socket.id` of all sockets\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.updateSocketIds = function () {\n\t for (var nsp in this.nsps) {\n\t if (has.call(this.nsps, nsp)) {\n\t this.nsps[nsp].id = this.generateId(nsp);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * generate `socket.id` for the given `nsp`\n\t *\n\t * @param {String} nsp\n\t * @return {String}\n\t * @api private\n\t */\n\t\n\tManager.prototype.generateId = function (nsp) {\n\t return (nsp === '/' ? '' : nsp + '#') + this.engine.id;\n\t};\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Manager.prototype);\n\t\n\t/**\n\t * Sets the `reconnection` config.\n\t *\n\t * @param {Boolean} true/false if it should automatically reconnect\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnection = function (v) {\n\t if (!arguments.length) return this._reconnection;\n\t this._reconnection = !!v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the reconnection attempts config.\n\t *\n\t * @param {Number} max reconnection attempts before giving up\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionAttempts = function (v) {\n\t if (!arguments.length) return this._reconnectionAttempts;\n\t this._reconnectionAttempts = v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the delay between reconnections.\n\t *\n\t * @param {Number} delay\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionDelay = function (v) {\n\t if (!arguments.length) return this._reconnectionDelay;\n\t this._reconnectionDelay = v;\n\t this.backoff && this.backoff.setMin(v);\n\t return this;\n\t};\n\t\n\tManager.prototype.randomizationFactor = function (v) {\n\t if (!arguments.length) return this._randomizationFactor;\n\t this._randomizationFactor = v;\n\t this.backoff && this.backoff.setJitter(v);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the maximum delay between reconnections.\n\t *\n\t * @param {Number} delay\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionDelayMax = function (v) {\n\t if (!arguments.length) return this._reconnectionDelayMax;\n\t this._reconnectionDelayMax = v;\n\t this.backoff && this.backoff.setMax(v);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the connection timeout. `false` to disable\n\t *\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.timeout = function (v) {\n\t if (!arguments.length) return this._timeout;\n\t this._timeout = v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Starts trying to reconnect if reconnection is enabled and we have not\n\t * started reconnecting yet\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.maybeReconnectOnOpen = function () {\n\t // Only try to reconnect if it's the first time we're connecting\n\t if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {\n\t // keeps reconnection from firing twice for the same reconnection loop\n\t this.reconnect();\n\t }\n\t};\n\t\n\t/**\n\t * Sets the current transport `socket`.\n\t *\n\t * @param {Function} optional, callback\n\t * @return {Manager} self\n\t * @api public\n\t */\n\t\n\tManager.prototype.open = Manager.prototype.connect = function (fn, opts) {\n\t\n\t if (~this.readyState.indexOf('open')) return this;\n\t\n\t this.engine = eio(this.uri, this.opts);\n\t var socket = this.engine;\n\t var self = this;\n\t this.readyState = 'opening';\n\t this.skipReconnect = false;\n\t\n\t // emit `open`\n\t var openSub = on(socket, 'open', function () {\n\t self.onopen();\n\t fn && fn();\n\t });\n\t\n\t // emit `connect_error`\n\t var errorSub = on(socket, 'error', function (data) {\n\t\n\t self.cleanup();\n\t self.readyState = 'closed';\n\t self.emitAll('connect_error', data);\n\t if (fn) {\n\t var err = new Error('Connection error');\n\t err.data = data;\n\t fn(err);\n\t } else {\n\t // Only do this if there is no fn to handle the error\n\t self.maybeReconnectOnOpen();\n\t }\n\t });\n\t\n\t // emit `connect_timeout`\n\t if (false !== this._timeout) {\n\t var timeout = this._timeout;\n\t\n\t if (timeout === 0) {\n\t openSub.destroy(); // prevents a race condition with the 'open' event\n\t }\n\t\n\t // set timer\n\t var timer = setTimeout(function () {\n\t\n\t openSub.destroy();\n\t socket.close();\n\t socket.emit('error', 'timeout');\n\t self.emitAll('connect_timeout', timeout);\n\t }, timeout);\n\t\n\t this.subs.push({\n\t destroy: function destroy() {\n\t clearTimeout(timer);\n\t }\n\t });\n\t }\n\t\n\t this.subs.push(openSub);\n\t this.subs.push(errorSub);\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Called upon transport open.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onopen = function () {\n\t\n\t // clear old subs\n\t this.cleanup();\n\t\n\t // mark as open\n\t this.readyState = 'open';\n\t this.emit('open');\n\t\n\t // add new subs\n\t var socket = this.engine;\n\t this.subs.push(on(socket, 'data', bind(this, 'ondata')));\n\t this.subs.push(on(socket, 'ping', bind(this, 'onping')));\n\t this.subs.push(on(socket, 'pong', bind(this, 'onpong')));\n\t this.subs.push(on(socket, 'error', bind(this, 'onerror')));\n\t this.subs.push(on(socket, 'close', bind(this, 'onclose')));\n\t this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));\n\t};\n\t\n\t/**\n\t * Called upon a ping.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onping = function () {\n\t this.lastPing = new Date();\n\t this.emitAll('ping');\n\t};\n\t\n\t/**\n\t * Called upon a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onpong = function () {\n\t this.emitAll('pong', new Date() - this.lastPing);\n\t};\n\t\n\t/**\n\t * Called with data.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.ondata = function (data) {\n\t this.decoder.add(data);\n\t};\n\t\n\t/**\n\t * Called when parser fully decodes a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.ondecoded = function (packet) {\n\t this.emit('packet', packet);\n\t};\n\t\n\t/**\n\t * Called upon socket error.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onerror = function (err) {\n\t\n\t this.emitAll('error', err);\n\t};\n\t\n\t/**\n\t * Creates a new socket for the given `nsp`.\n\t *\n\t * @return {Socket}\n\t * @api public\n\t */\n\t\n\tManager.prototype.socket = function (nsp, opts) {\n\t var socket = this.nsps[nsp];\n\t if (!socket) {\n\t socket = new Socket(this, nsp, opts);\n\t this.nsps[nsp] = socket;\n\t var self = this;\n\t socket.on('connecting', onConnecting);\n\t socket.on('connect', function () {\n\t socket.id = self.generateId(nsp);\n\t });\n\t\n\t if (this.autoConnect) {\n\t // manually call here since connecting event is fired before listening\n\t onConnecting();\n\t }\n\t }\n\t\n\t function onConnecting() {\n\t if (!~indexOf(self.connecting, socket)) {\n\t self.connecting.push(socket);\n\t }\n\t }\n\t\n\t return socket;\n\t};\n\t\n\t/**\n\t * Called upon a socket close.\n\t *\n\t * @param {Socket} socket\n\t */\n\t\n\tManager.prototype.destroy = function (socket) {\n\t var index = indexOf(this.connecting, socket);\n\t if (~index) this.connecting.splice(index, 1);\n\t if (this.connecting.length) return;\n\t\n\t this.close();\n\t};\n\t\n\t/**\n\t * Writes a packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tManager.prototype.packet = function (packet) {\n\t\n\t var self = this;\n\t if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;\n\t\n\t if (!self.encoding) {\n\t // encode, then write to engine with result\n\t self.encoding = true;\n\t this.encoder.encode(packet, function (encodedPackets) {\n\t for (var i = 0; i < encodedPackets.length; i++) {\n\t self.engine.write(encodedPackets[i], packet.options);\n\t }\n\t self.encoding = false;\n\t self.processPacketQueue();\n\t });\n\t } else {\n\t // add packet to the queue\n\t self.packetBuffer.push(packet);\n\t }\n\t};\n\t\n\t/**\n\t * If packet buffer is non-empty, begins encoding the\n\t * next packet in line.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.processPacketQueue = function () {\n\t if (this.packetBuffer.length > 0 && !this.encoding) {\n\t var pack = this.packetBuffer.shift();\n\t this.packet(pack);\n\t }\n\t};\n\t\n\t/**\n\t * Clean up transport subscriptions and packet buffer.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.cleanup = function () {\n\t\n\t var subsLength = this.subs.length;\n\t for (var i = 0; i < subsLength; i++) {\n\t var sub = this.subs.shift();\n\t sub.destroy();\n\t }\n\t\n\t this.packetBuffer = [];\n\t this.encoding = false;\n\t this.lastPing = null;\n\t\n\t this.decoder.destroy();\n\t};\n\t\n\t/**\n\t * Close the current socket.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.close = Manager.prototype.disconnect = function () {\n\t\n\t this.skipReconnect = true;\n\t this.reconnecting = false;\n\t if ('opening' === this.readyState) {\n\t // `onclose` will not fire because\n\t // an open event never happened\n\t this.cleanup();\n\t }\n\t this.backoff.reset();\n\t this.readyState = 'closed';\n\t if (this.engine) this.engine.close();\n\t};\n\t\n\t/**\n\t * Called upon engine close.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onclose = function (reason) {\n\t\n\t this.cleanup();\n\t this.backoff.reset();\n\t this.readyState = 'closed';\n\t this.emit('close', reason);\n\t\n\t if (this._reconnection && !this.skipReconnect) {\n\t this.reconnect();\n\t }\n\t};\n\t\n\t/**\n\t * Attempt a reconnection.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.reconnect = function () {\n\t if (this.reconnecting || this.skipReconnect) return this;\n\t\n\t var self = this;\n\t\n\t if (this.backoff.attempts >= this._reconnectionAttempts) {\n\t\n\t this.backoff.reset();\n\t this.emitAll('reconnect_failed');\n\t this.reconnecting = false;\n\t } else {\n\t var delay = this.backoff.duration();\n\t\n\t this.reconnecting = true;\n\t var timer = setTimeout(function () {\n\t if (self.skipReconnect) return;\n\t\n\t self.emitAll('reconnect_attempt', self.backoff.attempts);\n\t self.emitAll('reconnecting', self.backoff.attempts);\n\t\n\t // check again for the case socket closed in above events\n\t if (self.skipReconnect) return;\n\t\n\t self.open(function (err) {\n\t if (err) {\n\t\n\t self.reconnecting = false;\n\t self.reconnect();\n\t self.emitAll('reconnect_error', err.data);\n\t } else {\n\t\n\t self.onreconnect();\n\t }\n\t });\n\t }, delay);\n\t\n\t this.subs.push({\n\t destroy: function destroy() {\n\t clearTimeout(timer);\n\t }\n\t });\n\t }\n\t};\n\t\n\t/**\n\t * Called upon successful reconnect.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onreconnect = function () {\n\t var attempt = this.backoff.attempts;\n\t this.reconnecting = false;\n\t this.backoff.reset();\n\t this.updateSocketIds();\n\t this.emitAll('reconnect', attempt);\n\t};\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\tmodule.exports = __webpack_require__(11);\n\t\n\t/**\n\t * Exports parser\n\t *\n\t * @api public\n\t *\n\t */\n\tmodule.exports.parser = __webpack_require__(19);\n\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar transports = __webpack_require__(12);\n\tvar Emitter = __webpack_require__(5);\n\tvar debug = __webpack_require__(3)('engine.io-client:socket');\n\tvar index = __webpack_require__(33);\n\tvar parser = __webpack_require__(19);\n\tvar parseuri = __webpack_require__(2);\n\tvar parseqs = __webpack_require__(27);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Socket;\n\t\n\t/**\n\t * Socket constructor.\n\t *\n\t * @param {String|Object} uri or options\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Socket (uri, opts) {\n\t if (!(this instanceof Socket)) return new Socket(uri, opts);\n\t\n\t opts = opts || {};\n\t\n\t if (uri && 'object' === typeof uri) {\n\t opts = uri;\n\t uri = null;\n\t }\n\t\n\t if (uri) {\n\t uri = parseuri(uri);\n\t opts.hostname = uri.host;\n\t opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n\t opts.port = uri.port;\n\t if (uri.query) opts.query = uri.query;\n\t } else if (opts.host) {\n\t opts.hostname = parseuri(opts.host).host;\n\t }\n\t\n\t this.secure = null != opts.secure ? opts.secure\n\t : (typeof location !== 'undefined' && 'https:' === location.protocol);\n\t\n\t if (opts.hostname && !opts.port) {\n\t // if no port is specified manually, use the protocol default\n\t opts.port = this.secure ? '443' : '80';\n\t }\n\t\n\t this.agent = opts.agent || false;\n\t this.hostname = opts.hostname ||\n\t (typeof location !== 'undefined' ? location.hostname : 'localhost');\n\t this.port = opts.port || (typeof location !== 'undefined' && location.port\n\t ? location.port\n\t : (this.secure ? 443 : 80));\n\t this.query = opts.query || {};\n\t if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n\t this.upgrade = false !== opts.upgrade;\n\t this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n\t this.forceJSONP = !!opts.forceJSONP;\n\t this.jsonp = false !== opts.jsonp;\n\t this.forceBase64 = !!opts.forceBase64;\n\t this.enablesXDR = !!opts.enablesXDR;\n\t this.withCredentials = false !== opts.withCredentials;\n\t this.timestampParam = opts.timestampParam || 't';\n\t this.timestampRequests = opts.timestampRequests;\n\t this.transports = opts.transports || ['polling', 'websocket'];\n\t this.transportOptions = opts.transportOptions || {};\n\t this.readyState = '';\n\t this.writeBuffer = [];\n\t this.prevBufferLen = 0;\n\t this.policyPort = opts.policyPort || 843;\n\t this.rememberUpgrade = opts.rememberUpgrade || false;\n\t this.binaryType = null;\n\t this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n\t this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\t\n\t if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n\t if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n\t this.perMessageDeflate.threshold = 1024;\n\t }\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx || null;\n\t this.key = opts.key || null;\n\t this.passphrase = opts.passphrase || null;\n\t this.cert = opts.cert || null;\n\t this.ca = opts.ca || null;\n\t this.ciphers = opts.ciphers || null;\n\t this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n\t this.forceNode = !!opts.forceNode;\n\t\n\t // detect ReactNative environment\n\t this.isReactNative = (typeof navigator !== 'undefined' && typeof navigator.product === 'string' && navigator.product.toLowerCase() === 'reactnative');\n\t\n\t // other options for Node.js or ReactNative client\n\t if (typeof self === 'undefined' || this.isReactNative) {\n\t if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n\t this.extraHeaders = opts.extraHeaders;\n\t }\n\t\n\t if (opts.localAddress) {\n\t this.localAddress = opts.localAddress;\n\t }\n\t }\n\t\n\t // set on handshake\n\t this.id = null;\n\t this.upgrades = null;\n\t this.pingInterval = null;\n\t this.pingTimeout = null;\n\t\n\t // set on heartbeat\n\t this.pingIntervalTimer = null;\n\t this.pingTimeoutTimer = null;\n\t\n\t this.open();\n\t}\n\t\n\tSocket.priorWebsocketSuccess = false;\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Socket.prototype);\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.protocol = parser.protocol; // this is an int\n\t\n\t/**\n\t * Expose deps for legacy compatibility\n\t * and standalone browser access.\n\t */\n\t\n\tSocket.Socket = Socket;\n\tSocket.Transport = __webpack_require__(18);\n\tSocket.transports = __webpack_require__(12);\n\tSocket.parser = __webpack_require__(19);\n\t\n\t/**\n\t * Creates transport of the given type.\n\t *\n\t * @param {String} transport name\n\t * @return {Transport}\n\t * @api private\n\t */\n\t\n\tSocket.prototype.createTransport = function (name) {\n\t\n\t var query = clone(this.query);\n\t\n\t // append engine.io protocol identifier\n\t query.EIO = parser.protocol;\n\t\n\t // transport name\n\t query.transport = name;\n\t\n\t // per-transport options\n\t var options = this.transportOptions[name] || {};\n\t\n\t // session id if we already have one\n\t if (this.id) query.sid = this.id;\n\t\n\t var transport = new transports[name]({\n\t query: query,\n\t socket: this,\n\t agent: options.agent || this.agent,\n\t hostname: options.hostname || this.hostname,\n\t port: options.port || this.port,\n\t secure: options.secure || this.secure,\n\t path: options.path || this.path,\n\t forceJSONP: options.forceJSONP || this.forceJSONP,\n\t jsonp: options.jsonp || this.jsonp,\n\t forceBase64: options.forceBase64 || this.forceBase64,\n\t enablesXDR: options.enablesXDR || this.enablesXDR,\n\t withCredentials: options.withCredentials || this.withCredentials,\n\t timestampRequests: options.timestampRequests || this.timestampRequests,\n\t timestampParam: options.timestampParam || this.timestampParam,\n\t policyPort: options.policyPort || this.policyPort,\n\t pfx: options.pfx || this.pfx,\n\t key: options.key || this.key,\n\t passphrase: options.passphrase || this.passphrase,\n\t cert: options.cert || this.cert,\n\t ca: options.ca || this.ca,\n\t ciphers: options.ciphers || this.ciphers,\n\t rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n\t perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n\t extraHeaders: options.extraHeaders || this.extraHeaders,\n\t forceNode: options.forceNode || this.forceNode,\n\t localAddress: options.localAddress || this.localAddress,\n\t requestTimeout: options.requestTimeout || this.requestTimeout,\n\t protocols: options.protocols || void (0),\n\t isReactNative: this.isReactNative\n\t });\n\t\n\t return transport;\n\t};\n\t\n\tfunction clone (obj) {\n\t var o = {};\n\t for (var i in obj) {\n\t if (obj.hasOwnProperty(i)) {\n\t o[i] = obj[i];\n\t }\n\t }\n\t return o;\n\t}\n\t\n\t/**\n\t * Initializes transport to use and starts probe.\n\t *\n\t * @api private\n\t */\n\tSocket.prototype.open = function () {\n\t var transport;\n\t if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n\t transport = 'websocket';\n\t } else if (0 === this.transports.length) {\n\t // Emit error on next tick so it can be listened to\n\t var self = this;\n\t setTimeout(function () {\n\t self.emit('error', 'No transports available');\n\t }, 0);\n\t return;\n\t } else {\n\t transport = this.transports[0];\n\t }\n\t this.readyState = 'opening';\n\t\n\t // Retry with the next transport if the transport is disabled (jsonp: false)\n\t try {\n\t transport = this.createTransport(transport);\n\t } catch (e) {\n\t this.transports.shift();\n\t this.open();\n\t return;\n\t }\n\t\n\t transport.open();\n\t this.setTransport(transport);\n\t};\n\t\n\t/**\n\t * Sets the current transport. Disables the existing one (if any).\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.setTransport = function (transport) {\n\t\n\t var self = this;\n\t\n\t if (this.transport) {\n\t\n\t this.transport.removeAllListeners();\n\t }\n\t\n\t // set up transport\n\t this.transport = transport;\n\t\n\t // set up transport listeners\n\t transport\n\t .on('drain', function () {\n\t self.onDrain();\n\t })\n\t .on('packet', function (packet) {\n\t self.onPacket(packet);\n\t })\n\t .on('error', function (e) {\n\t self.onError(e);\n\t })\n\t .on('close', function () {\n\t self.onClose('transport close');\n\t });\n\t};\n\t\n\t/**\n\t * Probes a transport.\n\t *\n\t * @param {String} transport name\n\t * @api private\n\t */\n\t\n\tSocket.prototype.probe = function (name) {\n\t\n\t var transport = this.createTransport(name, { probe: 1 });\n\t var failed = false;\n\t var self = this;\n\t\n\t Socket.priorWebsocketSuccess = false;\n\t\n\t function onTransportOpen () {\n\t if (self.onlyBinaryUpgrades) {\n\t var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n\t failed = failed || upgradeLosesBinary;\n\t }\n\t if (failed) return;\n\t\n\t\n\t transport.send([{ type: 'ping', data: 'probe' }]);\n\t transport.once('packet', function (msg) {\n\t if (failed) return;\n\t if ('pong' === msg.type && 'probe' === msg.data) {\n\t\n\t self.upgrading = true;\n\t self.emit('upgrading', transport);\n\t if (!transport) return;\n\t Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\t\n\t\n\t self.transport.pause(function () {\n\t if (failed) return;\n\t if ('closed' === self.readyState) return;\n\t\n\t\n\t cleanup();\n\t\n\t self.setTransport(transport);\n\t transport.send([{ type: 'upgrade' }]);\n\t self.emit('upgrade', transport);\n\t transport = null;\n\t self.upgrading = false;\n\t self.flush();\n\t });\n\t } else {\n\t\n\t var err = new Error('probe error');\n\t err.transport = transport.name;\n\t self.emit('upgradeError', err);\n\t }\n\t });\n\t }\n\t\n\t function freezeTransport () {\n\t if (failed) return;\n\t\n\t // Any callback called by transport should be ignored since now\n\t failed = true;\n\t\n\t cleanup();\n\t\n\t transport.close();\n\t transport = null;\n\t }\n\t\n\t // Handle any error that happens while probing\n\t function onerror (err) {\n\t var error = new Error('probe error: ' + err);\n\t error.transport = transport.name;\n\t\n\t freezeTransport();\n\t\n\t\n\t\n\t self.emit('upgradeError', error);\n\t }\n\t\n\t function onTransportClose () {\n\t onerror('transport closed');\n\t }\n\t\n\t // When the socket is closed while we're probing\n\t function onclose () {\n\t onerror('socket closed');\n\t }\n\t\n\t // When the socket is upgraded while we're probing\n\t function onupgrade (to) {\n\t if (transport && to.name !== transport.name) {\n\t\n\t freezeTransport();\n\t }\n\t }\n\t\n\t // Remove all listeners on the transport and on self\n\t function cleanup () {\n\t transport.removeListener('open', onTransportOpen);\n\t transport.removeListener('error', onerror);\n\t transport.removeListener('close', onTransportClose);\n\t self.removeListener('close', onclose);\n\t self.removeListener('upgrading', onupgrade);\n\t }\n\t\n\t transport.once('open', onTransportOpen);\n\t transport.once('error', onerror);\n\t transport.once('close', onTransportClose);\n\t\n\t this.once('close', onclose);\n\t this.once('upgrading', onupgrade);\n\t\n\t transport.open();\n\t};\n\t\n\t/**\n\t * Called when connection is deemed open.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.prototype.onOpen = function () {\n\t\n\t this.readyState = 'open';\n\t Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n\t this.emit('open');\n\t this.flush();\n\t\n\t // we check for `readyState` in case an `open`\n\t // listener already closed the socket\n\t if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n\t\n\t for (var i = 0, l = this.upgrades.length; i < l; i++) {\n\t this.probe(this.upgrades[i]);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Handles a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onPacket = function (packet) {\n\t if ('opening' === this.readyState || 'open' === this.readyState ||\n\t 'closing' === this.readyState) {\n\t\n\t\n\t this.emit('packet', packet);\n\t\n\t // Socket is live - any packet counts\n\t this.emit('heartbeat');\n\t\n\t switch (packet.type) {\n\t case 'open':\n\t this.onHandshake(JSON.parse(packet.data));\n\t break;\n\t\n\t case 'pong':\n\t this.setPing();\n\t this.emit('pong');\n\t break;\n\t\n\t case 'error':\n\t var err = new Error('server error');\n\t err.code = packet.data;\n\t this.onError(err);\n\t break;\n\t\n\t case 'message':\n\t this.emit('data', packet.data);\n\t this.emit('message', packet.data);\n\t break;\n\t }\n\t } else {\n\t\n\t }\n\t};\n\t\n\t/**\n\t * Called upon handshake completion.\n\t *\n\t * @param {Object} handshake obj\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onHandshake = function (data) {\n\t this.emit('handshake', data);\n\t this.id = data.sid;\n\t this.transport.query.sid = data.sid;\n\t this.upgrades = this.filterUpgrades(data.upgrades);\n\t this.pingInterval = data.pingInterval;\n\t this.pingTimeout = data.pingTimeout;\n\t this.onOpen();\n\t // In case open handler closes socket\n\t if ('closed' === this.readyState) return;\n\t this.setPing();\n\t\n\t // Prolong liveness of socket on heartbeat\n\t this.removeListener('heartbeat', this.onHeartbeat);\n\t this.on('heartbeat', this.onHeartbeat);\n\t};\n\t\n\t/**\n\t * Resets ping timeout.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onHeartbeat = function (timeout) {\n\t clearTimeout(this.pingTimeoutTimer);\n\t var self = this;\n\t self.pingTimeoutTimer = setTimeout(function () {\n\t if ('closed' === self.readyState) return;\n\t self.onClose('ping timeout');\n\t }, timeout || (self.pingInterval + self.pingTimeout));\n\t};\n\t\n\t/**\n\t * Pings server every `this.pingInterval` and expects response\n\t * within `this.pingTimeout` or closes connection.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.setPing = function () {\n\t var self = this;\n\t clearTimeout(self.pingIntervalTimer);\n\t self.pingIntervalTimer = setTimeout(function () {\n\t\n\t self.ping();\n\t self.onHeartbeat(self.pingTimeout);\n\t }, self.pingInterval);\n\t};\n\t\n\t/**\n\t* Sends a ping packet.\n\t*\n\t* @api private\n\t*/\n\t\n\tSocket.prototype.ping = function () {\n\t var self = this;\n\t this.sendPacket('ping', function () {\n\t self.emit('ping');\n\t });\n\t};\n\t\n\t/**\n\t * Called on `drain` event\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onDrain = function () {\n\t this.writeBuffer.splice(0, this.prevBufferLen);\n\t\n\t // setting prevBufferLen = 0 is very important\n\t // for example, when upgrading, upgrade packet is sent over,\n\t // and a nonzero prevBufferLen could cause problems on `drain`\n\t this.prevBufferLen = 0;\n\t\n\t if (0 === this.writeBuffer.length) {\n\t this.emit('drain');\n\t } else {\n\t this.flush();\n\t }\n\t};\n\t\n\t/**\n\t * Flush write buffers.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.flush = function () {\n\t if ('closed' !== this.readyState && this.transport.writable &&\n\t !this.upgrading && this.writeBuffer.length) {\n\t\n\t this.transport.send(this.writeBuffer);\n\t // keep track of current length of writeBuffer\n\t // splice writeBuffer and callbackBuffer on `drain`\n\t this.prevBufferLen = this.writeBuffer.length;\n\t this.emit('flush');\n\t }\n\t};\n\t\n\t/**\n\t * Sends a message.\n\t *\n\t * @param {String} message.\n\t * @param {Function} callback function.\n\t * @param {Object} options.\n\t * @return {Socket} for chaining.\n\t * @api public\n\t */\n\t\n\tSocket.prototype.write =\n\tSocket.prototype.send = function (msg, options, fn) {\n\t this.sendPacket('message', msg, options, fn);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a packet.\n\t *\n\t * @param {String} packet type.\n\t * @param {String} data.\n\t * @param {Object} options.\n\t * @param {Function} callback function.\n\t * @api private\n\t */\n\t\n\tSocket.prototype.sendPacket = function (type, data, options, fn) {\n\t if ('function' === typeof data) {\n\t fn = data;\n\t data = undefined;\n\t }\n\t\n\t if ('function' === typeof options) {\n\t fn = options;\n\t options = null;\n\t }\n\t\n\t if ('closing' === this.readyState || 'closed' === this.readyState) {\n\t return;\n\t }\n\t\n\t options = options || {};\n\t options.compress = false !== options.compress;\n\t\n\t var packet = {\n\t type: type,\n\t data: data,\n\t options: options\n\t };\n\t this.emit('packetCreate', packet);\n\t this.writeBuffer.push(packet);\n\t if (fn) this.once('flush', fn);\n\t this.flush();\n\t};\n\t\n\t/**\n\t * Closes the connection.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.close = function () {\n\t if ('opening' === this.readyState || 'open' === this.readyState) {\n\t this.readyState = 'closing';\n\t\n\t var self = this;\n\t\n\t if (this.writeBuffer.length) {\n\t this.once('drain', function () {\n\t if (this.upgrading) {\n\t waitForUpgrade();\n\t } else {\n\t close();\n\t }\n\t });\n\t } else if (this.upgrading) {\n\t waitForUpgrade();\n\t } else {\n\t close();\n\t }\n\t }\n\t\n\t function close () {\n\t self.onClose('forced close');\n\t\n\t self.transport.close();\n\t }\n\t\n\t function cleanupAndClose () {\n\t self.removeListener('upgrade', cleanupAndClose);\n\t self.removeListener('upgradeError', cleanupAndClose);\n\t close();\n\t }\n\t\n\t function waitForUpgrade () {\n\t // wait for upgrade to finish since we can't send packets while pausing a transport\n\t self.once('upgrade', cleanupAndClose);\n\t self.once('upgradeError', cleanupAndClose);\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Called upon transport error\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onError = function (err) {\n\t\n\t Socket.priorWebsocketSuccess = false;\n\t this.emit('error', err);\n\t this.onClose('transport error', err);\n\t};\n\t\n\t/**\n\t * Called upon transport close.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onClose = function (reason, desc) {\n\t if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n\t\n\t var self = this;\n\t\n\t // clear timers\n\t clearTimeout(this.pingIntervalTimer);\n\t clearTimeout(this.pingTimeoutTimer);\n\t\n\t // stop event from firing again for transport\n\t this.transport.removeAllListeners('close');\n\t\n\t // ensure transport won't stay open\n\t this.transport.close();\n\t\n\t // ignore further transport communication\n\t this.transport.removeAllListeners();\n\t\n\t // set ready state\n\t this.readyState = 'closed';\n\t\n\t // clear session id\n\t this.id = null;\n\t\n\t // emit close event\n\t this.emit('close', reason, desc);\n\t\n\t // clean buffers after, so users can still\n\t // grab the buffers on `close` event\n\t self.writeBuffer = [];\n\t self.prevBufferLen = 0;\n\t }\n\t};\n\t\n\t/**\n\t * Filters upgrades, returning only those matching client transports.\n\t *\n\t * @param {Array} server upgrades\n\t * @api private\n\t *\n\t */\n\t\n\tSocket.prototype.filterUpgrades = function (upgrades) {\n\t var filteredUpgrades = [];\n\t for (var i = 0, j = upgrades.length; i < j; i++) {\n\t if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n\t }\n\t return filteredUpgrades;\n\t};\n\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies\n\t */\n\t\n\tvar XMLHttpRequest = __webpack_require__(13);\n\tvar XHR = __webpack_require__(16);\n\tvar JSONP = __webpack_require__(30);\n\tvar websocket = __webpack_require__(31);\n\t\n\t/**\n\t * Export transports.\n\t */\n\t\n\texports.polling = polling;\n\texports.websocket = websocket;\n\t\n\t/**\n\t * Polling transport polymorphic constructor.\n\t * Decides on xhr vs jsonp based on feature detection.\n\t *\n\t * @api private\n\t */\n\t\n\tfunction polling (opts) {\n\t var xhr;\n\t var xd = false;\n\t var xs = false;\n\t var jsonp = false !== opts.jsonp;\n\t\n\t if (typeof location !== 'undefined') {\n\t var isSSL = 'https:' === location.protocol;\n\t var port = location.port;\n\t\n\t // some user agents have empty `location.port`\n\t if (!port) {\n\t port = isSSL ? 443 : 80;\n\t }\n\t\n\t xd = opts.hostname !== location.hostname || port !== opts.port;\n\t xs = opts.secure !== isSSL;\n\t }\n\t\n\t opts.xdomain = xd;\n\t opts.xscheme = xs;\n\t xhr = new XMLHttpRequest(opts);\n\t\n\t if ('open' in xhr && !opts.forceJSONP) {\n\t return new XHR(opts);\n\t } else {\n\t if (!jsonp) throw new Error('JSONP disabled');\n\t return new JSONP(opts);\n\t }\n\t}\n\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// browser shim for xmlhttprequest module\n\t\n\tvar hasCORS = __webpack_require__(14);\n\tvar globalThis = __webpack_require__(15);\n\t\n\tmodule.exports = function (opts) {\n\t var xdomain = opts.xdomain;\n\t\n\t // scheme must be same when usign XDomainRequest\n\t // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n\t var xscheme = opts.xscheme;\n\t\n\t // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n\t // https://github.com/Automattic/engine.io-client/pull/217\n\t var enablesXDR = opts.enablesXDR;\n\t\n\t // XMLHttpRequest can be disabled on IE\n\t try {\n\t if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n\t return new XMLHttpRequest();\n\t }\n\t } catch (e) { }\n\t\n\t // Use XDomainRequest for IE8 if enablesXDR is true\n\t // because loading bar keeps flashing when using jsonp-polling\n\t // https://github.com/yujiosaka/socke.io-ie8-loading-example\n\t try {\n\t if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n\t return new XDomainRequest();\n\t }\n\t } catch (e) { }\n\t\n\t if (!xdomain) {\n\t try {\n\t return new globalThis[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n\t } catch (e) { }\n\t }\n\t};\n\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Module exports.\n\t *\n\t * Logic borrowed from Modernizr:\n\t *\n\t * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n\t */\n\t\n\ttry {\n\t module.exports = typeof XMLHttpRequest !== 'undefined' &&\n\t 'withCredentials' in new XMLHttpRequest();\n\t} catch (err) {\n\t // if XMLHttp support is disabled in IE then it will throw\n\t // when trying to create\n\t module.exports = false;\n\t}\n\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = (function () {\n\t if (typeof self !== 'undefined') {\n\t return self;\n\t } else if (typeof window !== 'undefined') {\n\t return window;\n\t } else {\n\t return Function('return this')(); // eslint-disable-line no-new-func\n\t }\n\t})();\n\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* global attachEvent */\n\t\n\t/**\n\t * Module requirements.\n\t */\n\t\n\tvar XMLHttpRequest = __webpack_require__(13);\n\tvar Polling = __webpack_require__(17);\n\tvar Emitter = __webpack_require__(5);\n\tvar inherit = __webpack_require__(28);\n\tvar debug = __webpack_require__(3)('engine.io-client:polling-xhr');\n\tvar globalThis = __webpack_require__(15);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = XHR;\n\tmodule.exports.Request = Request;\n\t\n\t/**\n\t * Empty function\n\t */\n\t\n\tfunction empty () {}\n\t\n\t/**\n\t * XHR Polling constructor.\n\t *\n\t * @param {Object} opts\n\t * @api public\n\t */\n\t\n\tfunction XHR (opts) {\n\t Polling.call(this, opts);\n\t this.requestTimeout = opts.requestTimeout;\n\t this.extraHeaders = opts.extraHeaders;\n\t\n\t if (typeof location !== 'undefined') {\n\t var isSSL = 'https:' === location.protocol;\n\t var port = location.port;\n\t\n\t // some user agents have empty `location.port`\n\t if (!port) {\n\t port = isSSL ? 443 : 80;\n\t }\n\t\n\t this.xd = (typeof location !== 'undefined' && opts.hostname !== location.hostname) ||\n\t port !== opts.port;\n\t this.xs = opts.secure !== isSSL;\n\t }\n\t}\n\t\n\t/**\n\t * Inherits from Polling.\n\t */\n\t\n\tinherit(XHR, Polling);\n\t\n\t/**\n\t * XHR supports binary\n\t */\n\t\n\tXHR.prototype.supportsBinary = true;\n\t\n\t/**\n\t * Creates a request.\n\t *\n\t * @param {String} method\n\t * @api private\n\t */\n\t\n\tXHR.prototype.request = function (opts) {\n\t opts = opts || {};\n\t opts.uri = this.uri();\n\t opts.xd = this.xd;\n\t opts.xs = this.xs;\n\t opts.agent = this.agent || false;\n\t opts.supportsBinary = this.supportsBinary;\n\t opts.enablesXDR = this.enablesXDR;\n\t opts.withCredentials = this.withCredentials;\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t opts.requestTimeout = this.requestTimeout;\n\t\n\t // other options for Node.js client\n\t opts.extraHeaders = this.extraHeaders;\n\t\n\t return new Request(opts);\n\t};\n\t\n\t/**\n\t * Sends data.\n\t *\n\t * @param {String} data to send.\n\t * @param {Function} called upon flush.\n\t * @api private\n\t */\n\t\n\tXHR.prototype.doWrite = function (data, fn) {\n\t var isBinary = typeof data !== 'string' && data !== undefined;\n\t var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n\t var self = this;\n\t req.on('success', fn);\n\t req.on('error', function (err) {\n\t self.onError('xhr post error', err);\n\t });\n\t this.sendXhr = req;\n\t};\n\t\n\t/**\n\t * Starts a poll cycle.\n\t *\n\t * @api private\n\t */\n\t\n\tXHR.prototype.doPoll = function () {\n\t\n\t var req = this.request();\n\t var self = this;\n\t req.on('data', function (data) {\n\t self.onData(data);\n\t });\n\t req.on('error', function (err) {\n\t self.onError('xhr poll error', err);\n\t });\n\t this.pollXhr = req;\n\t};\n\t\n\t/**\n\t * Request constructor\n\t *\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Request (opts) {\n\t this.method = opts.method || 'GET';\n\t this.uri = opts.uri;\n\t this.xd = !!opts.xd;\n\t this.xs = !!opts.xs;\n\t this.async = false !== opts.async;\n\t this.data = undefined !== opts.data ? opts.data : null;\n\t this.agent = opts.agent;\n\t this.isBinary = opts.isBinary;\n\t this.supportsBinary = opts.supportsBinary;\n\t this.enablesXDR = opts.enablesXDR;\n\t this.withCredentials = opts.withCredentials;\n\t this.requestTimeout = opts.requestTimeout;\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx;\n\t this.key = opts.key;\n\t this.passphrase = opts.passphrase;\n\t this.cert = opts.cert;\n\t this.ca = opts.ca;\n\t this.ciphers = opts.ciphers;\n\t this.rejectUnauthorized = opts.rejectUnauthorized;\n\t\n\t // other options for Node.js client\n\t this.extraHeaders = opts.extraHeaders;\n\t\n\t this.create();\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Request.prototype);\n\t\n\t/**\n\t * Creates the XHR object and sends the request.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.create = function () {\n\t var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t\n\t var xhr = this.xhr = new XMLHttpRequest(opts);\n\t var self = this;\n\t\n\t try {\n\t\n\t xhr.open(this.method, this.uri, this.async);\n\t try {\n\t if (this.extraHeaders) {\n\t xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n\t for (var i in this.extraHeaders) {\n\t if (this.extraHeaders.hasOwnProperty(i)) {\n\t xhr.setRequestHeader(i, this.extraHeaders[i]);\n\t }\n\t }\n\t }\n\t } catch (e) {}\n\t\n\t if ('POST' === this.method) {\n\t try {\n\t if (this.isBinary) {\n\t xhr.setRequestHeader('Content-type', 'application/octet-stream');\n\t } else {\n\t xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n\t }\n\t } catch (e) {}\n\t }\n\t\n\t try {\n\t xhr.setRequestHeader('Accept', '*/*');\n\t } catch (e) {}\n\t\n\t // ie6 check\n\t if ('withCredentials' in xhr) {\n\t xhr.withCredentials = this.withCredentials;\n\t }\n\t\n\t if (this.requestTimeout) {\n\t xhr.timeout = this.requestTimeout;\n\t }\n\t\n\t if (this.hasXDR()) {\n\t xhr.onload = function () {\n\t self.onLoad();\n\t };\n\t xhr.onerror = function () {\n\t self.onError(xhr.responseText);\n\t };\n\t } else {\n\t xhr.onreadystatechange = function () {\n\t if (xhr.readyState === 2) {\n\t try {\n\t var contentType = xhr.getResponseHeader('Content-Type');\n\t if (self.supportsBinary && contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {\n\t xhr.responseType = 'arraybuffer';\n\t }\n\t } catch (e) {}\n\t }\n\t if (4 !== xhr.readyState) return;\n\t if (200 === xhr.status || 1223 === xhr.status) {\n\t self.onLoad();\n\t } else {\n\t // make sure the `error` event handler that's user-set\n\t // does not throw in the same tick and gets caught here\n\t setTimeout(function () {\n\t self.onError(typeof xhr.status === 'number' ? xhr.status : 0);\n\t }, 0);\n\t }\n\t };\n\t }\n\t\n\t\n\t xhr.send(this.data);\n\t } catch (e) {\n\t // Need to defer since .create() is called directly fhrom the constructor\n\t // and thus the 'error' event can only be only bound *after* this exception\n\t // occurs. Therefore, also, we cannot throw here at all.\n\t setTimeout(function () {\n\t self.onError(e);\n\t }, 0);\n\t return;\n\t }\n\t\n\t if (typeof document !== 'undefined') {\n\t this.index = Request.requestsCount++;\n\t Request.requests[this.index] = this;\n\t }\n\t};\n\t\n\t/**\n\t * Called upon successful response.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onSuccess = function () {\n\t this.emit('success');\n\t this.cleanup();\n\t};\n\t\n\t/**\n\t * Called if we have data.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onData = function (data) {\n\t this.emit('data', data);\n\t this.onSuccess();\n\t};\n\t\n\t/**\n\t * Called upon error.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onError = function (err) {\n\t this.emit('error', err);\n\t this.cleanup(true);\n\t};\n\t\n\t/**\n\t * Cleans up house.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.cleanup = function (fromError) {\n\t if ('undefined' === typeof this.xhr || null === this.xhr) {\n\t return;\n\t }\n\t // xmlhttprequest\n\t if (this.hasXDR()) {\n\t this.xhr.onload = this.xhr.onerror = empty;\n\t } else {\n\t this.xhr.onreadystatechange = empty;\n\t }\n\t\n\t if (fromError) {\n\t try {\n\t this.xhr.abort();\n\t } catch (e) {}\n\t }\n\t\n\t if (typeof document !== 'undefined') {\n\t delete Request.requests[this.index];\n\t }\n\t\n\t this.xhr = null;\n\t};\n\t\n\t/**\n\t * Called upon load.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onLoad = function () {\n\t var data;\n\t try {\n\t var contentType;\n\t try {\n\t contentType = this.xhr.getResponseHeader('Content-Type');\n\t } catch (e) {}\n\t if (contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {\n\t data = this.xhr.response || this.xhr.responseText;\n\t } else {\n\t data = this.xhr.responseText;\n\t }\n\t } catch (e) {\n\t this.onError(e);\n\t }\n\t if (null != data) {\n\t this.onData(data);\n\t }\n\t};\n\t\n\t/**\n\t * Check if it has XDomainRequest.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.hasXDR = function () {\n\t return typeof XDomainRequest !== 'undefined' && !this.xs && this.enablesXDR;\n\t};\n\t\n\t/**\n\t * Aborts the request.\n\t *\n\t * @api public\n\t */\n\t\n\tRequest.prototype.abort = function () {\n\t this.cleanup();\n\t};\n\t\n\t/**\n\t * Aborts pending requests when unloading the window. This is needed to prevent\n\t * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n\t * emitted.\n\t */\n\t\n\tRequest.requestsCount = 0;\n\tRequest.requests = {};\n\t\n\tif (typeof document !== 'undefined') {\n\t if (typeof attachEvent === 'function') {\n\t attachEvent('onunload', unloadHandler);\n\t } else if (typeof addEventListener === 'function') {\n\t var terminationEvent = 'onpagehide' in globalThis ? 'pagehide' : 'unload';\n\t addEventListener(terminationEvent, unloadHandler, false);\n\t }\n\t}\n\t\n\tfunction unloadHandler () {\n\t for (var i in Request.requests) {\n\t if (Request.requests.hasOwnProperty(i)) {\n\t Request.requests[i].abort();\n\t }\n\t }\n\t}\n\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar Transport = __webpack_require__(18);\n\tvar parseqs = __webpack_require__(27);\n\tvar parser = __webpack_require__(19);\n\tvar inherit = __webpack_require__(28);\n\tvar yeast = __webpack_require__(29);\n\tvar debug = __webpack_require__(3)('engine.io-client:polling');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Polling;\n\t\n\t/**\n\t * Is XHR2 supported?\n\t */\n\t\n\tvar hasXHR2 = (function () {\n\t var XMLHttpRequest = __webpack_require__(13);\n\t var xhr = new XMLHttpRequest({ xdomain: false });\n\t return null != xhr.responseType;\n\t})();\n\t\n\t/**\n\t * Polling interface.\n\t *\n\t * @param {Object} opts\n\t * @api private\n\t */\n\t\n\tfunction Polling (opts) {\n\t var forceBase64 = (opts && opts.forceBase64);\n\t if (!hasXHR2 || forceBase64) {\n\t this.supportsBinary = false;\n\t }\n\t Transport.call(this, opts);\n\t}\n\t\n\t/**\n\t * Inherits from Transport.\n\t */\n\t\n\tinherit(Polling, Transport);\n\t\n\t/**\n\t * Transport name.\n\t */\n\t\n\tPolling.prototype.name = 'polling';\n\t\n\t/**\n\t * Opens the socket (triggers polling). We write a PING message to determine\n\t * when the transport is open.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.doOpen = function () {\n\t this.poll();\n\t};\n\t\n\t/**\n\t * Pauses polling.\n\t *\n\t * @param {Function} callback upon buffers are flushed and transport is paused\n\t * @api private\n\t */\n\t\n\tPolling.prototype.pause = function (onPause) {\n\t var self = this;\n\t\n\t this.readyState = 'pausing';\n\t\n\t function pause () {\n\t\n\t self.readyState = 'paused';\n\t onPause();\n\t }\n\t\n\t if (this.polling || !this.writable) {\n\t var total = 0;\n\t\n\t if (this.polling) {\n\t\n\t total++;\n\t this.once('pollComplete', function () {\n\t\n\t --total || pause();\n\t });\n\t }\n\t\n\t if (!this.writable) {\n\t\n\t total++;\n\t this.once('drain', function () {\n\t\n\t --total || pause();\n\t });\n\t }\n\t } else {\n\t pause();\n\t }\n\t};\n\t\n\t/**\n\t * Starts polling cycle.\n\t *\n\t * @api public\n\t */\n\t\n\tPolling.prototype.poll = function () {\n\t\n\t this.polling = true;\n\t this.doPoll();\n\t this.emit('poll');\n\t};\n\t\n\t/**\n\t * Overloads onData to detect payloads.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.onData = function (data) {\n\t var self = this;\n\t\n\t var callback = function (packet, index, total) {\n\t // if its the first message we consider the transport open\n\t if ('opening' === self.readyState) {\n\t self.onOpen();\n\t }\n\t\n\t // if its a close packet, we close the ongoing requests\n\t if ('close' === packet.type) {\n\t self.onClose();\n\t return false;\n\t }\n\t\n\t // otherwise bypass onData and handle the message\n\t self.onPacket(packet);\n\t };\n\t\n\t // decode payload\n\t parser.decodePayload(data, this.socket.binaryType, callback);\n\t\n\t // if an event did not trigger closing\n\t if ('closed' !== this.readyState) {\n\t // if we got data we're not polling\n\t this.polling = false;\n\t this.emit('pollComplete');\n\t\n\t if ('open' === this.readyState) {\n\t this.poll();\n\t } else {\n\t\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * For polling, send a close packet.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.doClose = function () {\n\t var self = this;\n\t\n\t function close () {\n\t\n\t self.write([{ type: 'close' }]);\n\t }\n\t\n\t if ('open' === this.readyState) {\n\t\n\t close();\n\t } else {\n\t // in case we're trying to close while\n\t // handshaking is in progress (GH-164)\n\t\n\t this.once('open', close);\n\t }\n\t};\n\t\n\t/**\n\t * Writes a packets payload.\n\t *\n\t * @param {Array} data packets\n\t * @param {Function} drain callback\n\t * @api private\n\t */\n\t\n\tPolling.prototype.write = function (packets) {\n\t var self = this;\n\t this.writable = false;\n\t var callbackfn = function () {\n\t self.writable = true;\n\t self.emit('drain');\n\t };\n\t\n\t parser.encodePayload(packets, this.supportsBinary, function (data) {\n\t self.doWrite(data, callbackfn);\n\t });\n\t};\n\t\n\t/**\n\t * Generates uri for connection.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.uri = function () {\n\t var query = this.query || {};\n\t var schema = this.secure ? 'https' : 'http';\n\t var port = '';\n\t\n\t // cache busting is forced\n\t if (false !== this.timestampRequests) {\n\t query[this.timestampParam] = yeast();\n\t }\n\t\n\t if (!this.supportsBinary && !query.sid) {\n\t query.b64 = 1;\n\t }\n\t\n\t query = parseqs.encode(query);\n\t\n\t // avoid port if default for schema\n\t if (this.port && (('https' === schema && Number(this.port) !== 443) ||\n\t ('http' === schema && Number(this.port) !== 80))) {\n\t port = ':' + this.port;\n\t }\n\t\n\t // prepend ? to query\n\t if (query.length) {\n\t query = '?' + query;\n\t }\n\t\n\t var ipv6 = this.hostname.indexOf(':') !== -1;\n\t return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n\t};\n\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parser = __webpack_require__(19);\n\tvar Emitter = __webpack_require__(5);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Transport;\n\t\n\t/**\n\t * Transport abstract constructor.\n\t *\n\t * @param {Object} options.\n\t * @api private\n\t */\n\t\n\tfunction Transport (opts) {\n\t this.path = opts.path;\n\t this.hostname = opts.hostname;\n\t this.port = opts.port;\n\t this.secure = opts.secure;\n\t this.query = opts.query;\n\t this.timestampParam = opts.timestampParam;\n\t this.timestampRequests = opts.timestampRequests;\n\t this.readyState = '';\n\t this.agent = opts.agent || false;\n\t this.socket = opts.socket;\n\t this.enablesXDR = opts.enablesXDR;\n\t this.withCredentials = opts.withCredentials;\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx;\n\t this.key = opts.key;\n\t this.passphrase = opts.passphrase;\n\t this.cert = opts.cert;\n\t this.ca = opts.ca;\n\t this.ciphers = opts.ciphers;\n\t this.rejectUnauthorized = opts.rejectUnauthorized;\n\t this.forceNode = opts.forceNode;\n\t\n\t // results of ReactNative environment detection\n\t this.isReactNative = opts.isReactNative;\n\t\n\t // other options for Node.js client\n\t this.extraHeaders = opts.extraHeaders;\n\t this.localAddress = opts.localAddress;\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Transport.prototype);\n\t\n\t/**\n\t * Emits an error.\n\t *\n\t * @param {String} str\n\t * @return {Transport} for chaining\n\t * @api public\n\t */\n\t\n\tTransport.prototype.onError = function (msg, desc) {\n\t var err = new Error(msg);\n\t err.type = 'TransportError';\n\t err.description = desc;\n\t this.emit('error', err);\n\t return this;\n\t};\n\t\n\t/**\n\t * Opens the transport.\n\t *\n\t * @api public\n\t */\n\t\n\tTransport.prototype.open = function () {\n\t if ('closed' === this.readyState || '' === this.readyState) {\n\t this.readyState = 'opening';\n\t this.doOpen();\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Closes the transport.\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.close = function () {\n\t if ('opening' === this.readyState || 'open' === this.readyState) {\n\t this.doClose();\n\t this.onClose();\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends multiple packets.\n\t *\n\t * @param {Array} packets\n\t * @api private\n\t */\n\t\n\tTransport.prototype.send = function (packets) {\n\t if ('open' === this.readyState) {\n\t this.write(packets);\n\t } else {\n\t throw new Error('Transport not open');\n\t }\n\t};\n\t\n\t/**\n\t * Called upon open\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onOpen = function () {\n\t this.readyState = 'open';\n\t this.writable = true;\n\t this.emit('open');\n\t};\n\t\n\t/**\n\t * Called with data.\n\t *\n\t * @param {String} data\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onData = function (data) {\n\t var packet = parser.decodePacket(data, this.socket.binaryType);\n\t this.onPacket(packet);\n\t};\n\t\n\t/**\n\t * Called with a decoded packet.\n\t */\n\t\n\tTransport.prototype.onPacket = function (packet) {\n\t this.emit('packet', packet);\n\t};\n\t\n\t/**\n\t * Called upon close.\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onClose = function () {\n\t this.readyState = 'closed';\n\t this.emit('close');\n\t};\n\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar keys = __webpack_require__(20);\n\tvar hasBinary = __webpack_require__(21);\n\tvar sliceBuffer = __webpack_require__(22);\n\tvar after = __webpack_require__(23);\n\tvar utf8 = __webpack_require__(24);\n\t\n\tvar base64encoder;\n\tif (typeof ArrayBuffer !== 'undefined') {\n\t base64encoder = __webpack_require__(25);\n\t}\n\t\n\t/**\n\t * Check if we are running an android browser. That requires us to use\n\t * ArrayBuffer with polling transports...\n\t *\n\t * http://ghinda.net/jpeg-blob-ajax-android/\n\t */\n\t\n\tvar isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);\n\t\n\t/**\n\t * Check if we are running in PhantomJS.\n\t * Uploading a Blob with PhantomJS does not work correctly, as reported here:\n\t * https://github.com/ariya/phantomjs/issues/11395\n\t * @type boolean\n\t */\n\tvar isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);\n\t\n\t/**\n\t * When true, avoids using Blobs to encode payloads.\n\t * @type boolean\n\t */\n\tvar dontSendBlobs = isAndroid || isPhantomJS;\n\t\n\t/**\n\t * Current protocol version.\n\t */\n\t\n\texports.protocol = 3;\n\t\n\t/**\n\t * Packet types.\n\t */\n\t\n\tvar packets = exports.packets = {\n\t open: 0 // non-ws\n\t , close: 1 // non-ws\n\t , ping: 2\n\t , pong: 3\n\t , message: 4\n\t , upgrade: 5\n\t , noop: 6\n\t};\n\t\n\tvar packetslist = keys(packets);\n\t\n\t/**\n\t * Premade error packet.\n\t */\n\t\n\tvar err = { type: 'error', data: 'parser error' };\n\t\n\t/**\n\t * Create a blob api even for blob builder when vendor prefixes exist\n\t */\n\t\n\tvar Blob = __webpack_require__(26);\n\t\n\t/**\n\t * Encodes a packet.\n\t *\n\t * <packet type id> [ <data> ]\n\t *\n\t * Example:\n\t *\n\t * 5hello world\n\t * 3\n\t * 4\n\t *\n\t * Binary is encoded in an identical principle\n\t *\n\t * @api private\n\t */\n\t\n\texports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {\n\t if (typeof supportsBinary === 'function') {\n\t callback = supportsBinary;\n\t supportsBinary = false;\n\t }\n\t\n\t if (typeof utf8encode === 'function') {\n\t callback = utf8encode;\n\t utf8encode = null;\n\t }\n\t\n\t var data = (packet.data === undefined)\n\t ? undefined\n\t : packet.data.buffer || packet.data;\n\t\n\t if (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) {\n\t return encodeArrayBuffer(packet, supportsBinary, callback);\n\t } else if (typeof Blob !== 'undefined' && data instanceof Blob) {\n\t return encodeBlob(packet, supportsBinary, callback);\n\t }\n\t\n\t // might be an object with { base64: true, data: dataAsBase64String }\n\t if (data && data.base64) {\n\t return encodeBase64Object(packet, callback);\n\t }\n\t\n\t // Sending data as a utf-8 string\n\t var encoded = packets[packet.type];\n\t\n\t // data fragment is optional\n\t if (undefined !== packet.data) {\n\t encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);\n\t }\n\t\n\t return callback('' + encoded);\n\t\n\t};\n\t\n\tfunction encodeBase64Object(packet, callback) {\n\t // packet data is an object { base64: true, data: dataAsBase64String }\n\t var message = 'b' + exports.packets[packet.type] + packet.data.data;\n\t return callback(message);\n\t}\n\t\n\t/**\n\t * Encode packet helpers for binary types\n\t */\n\t\n\tfunction encodeArrayBuffer(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t var data = packet.data;\n\t var contentArray = new Uint8Array(data);\n\t var resultBuffer = new Uint8Array(1 + data.byteLength);\n\t\n\t resultBuffer[0] = packets[packet.type];\n\t for (var i = 0; i < contentArray.length; i++) {\n\t resultBuffer[i+1] = contentArray[i];\n\t }\n\t\n\t return callback(resultBuffer.buffer);\n\t}\n\t\n\tfunction encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t var fr = new FileReader();\n\t fr.onload = function() {\n\t exports.encodePacket({ type: packet.type, data: fr.result }, supportsBinary, true, callback);\n\t };\n\t return fr.readAsArrayBuffer(packet.data);\n\t}\n\t\n\tfunction encodeBlob(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t if (dontSendBlobs) {\n\t return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);\n\t }\n\t\n\t var length = new Uint8Array(1);\n\t length[0] = packets[packet.type];\n\t var blob = new Blob([length.buffer, packet.data]);\n\t\n\t return callback(blob);\n\t}\n\t\n\t/**\n\t * Encodes a packet with binary data in a base64 string\n\t *\n\t * @param {Object} packet, has `type` and `data`\n\t * @return {String} base64 encoded message\n\t */\n\t\n\texports.encodeBase64Packet = function(packet, callback) {\n\t var message = 'b' + exports.packets[packet.type];\n\t if (typeof Blob !== 'undefined' && packet.data instanceof Blob) {\n\t var fr = new FileReader();\n\t fr.onload = function() {\n\t var b64 = fr.result.split(',')[1];\n\t callback(message + b64);\n\t };\n\t return fr.readAsDataURL(packet.data);\n\t }\n\t\n\t var b64data;\n\t try {\n\t b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));\n\t } catch (e) {\n\t // iPhone Safari doesn't let you apply with typed arrays\n\t var typed = new Uint8Array(packet.data);\n\t var basic = new Array(typed.length);\n\t for (var i = 0; i < typed.length; i++) {\n\t basic[i] = typed[i];\n\t }\n\t b64data = String.fromCharCode.apply(null, basic);\n\t }\n\t message += btoa(b64data);\n\t return callback(message);\n\t};\n\t\n\t/**\n\t * Decodes a packet. Changes format to Blob if requested.\n\t *\n\t * @return {Object} with `type` and `data` (if any)\n\t * @api private\n\t */\n\t\n\texports.decodePacket = function (data, binaryType, utf8decode) {\n\t if (data === undefined) {\n\t return err;\n\t }\n\t // String data\n\t if (typeof data === 'string') {\n\t if (data.charAt(0) === 'b') {\n\t return exports.decodeBase64Packet(data.substr(1), binaryType);\n\t }\n\t\n\t if (utf8decode) {\n\t data = tryDecode(data);\n\t if (data === false) {\n\t return err;\n\t }\n\t }\n\t var type = data.charAt(0);\n\t\n\t if (Number(type) != type || !packetslist[type]) {\n\t return err;\n\t }\n\t\n\t if (data.length > 1) {\n\t return { type: packetslist[type], data: data.substring(1) };\n\t } else {\n\t return { type: packetslist[type] };\n\t }\n\t }\n\t\n\t var asArray = new Uint8Array(data);\n\t var type = asArray[0];\n\t var rest = sliceBuffer(data, 1);\n\t if (Blob && binaryType === 'blob') {\n\t rest = new Blob([rest]);\n\t }\n\t return { type: packetslist[type], data: rest };\n\t};\n\t\n\tfunction tryDecode(data) {\n\t try {\n\t data = utf8.decode(data, { strict: false });\n\t } catch (e) {\n\t return false;\n\t }\n\t return data;\n\t}\n\t\n\t/**\n\t * Decodes a packet encoded in a base64 string\n\t *\n\t * @param {String} base64 encoded message\n\t * @return {Object} with `type` and `data` (if any)\n\t */\n\t\n\texports.decodeBase64Packet = function(msg, binaryType) {\n\t var type = packetslist[msg.charAt(0)];\n\t if (!base64encoder) {\n\t return { type: type, data: { base64: true, data: msg.substr(1) } };\n\t }\n\t\n\t var data = base64encoder.decode(msg.substr(1));\n\t\n\t if (binaryType === 'blob' && Blob) {\n\t data = new Blob([data]);\n\t }\n\t\n\t return { type: type, data: data };\n\t};\n\t\n\t/**\n\t * Encodes multiple messages (payload).\n\t *\n\t * <length>:data\n\t *\n\t * Example:\n\t *\n\t * 11:hello world2:hi\n\t *\n\t * If any contents are binary, they will be encoded as base64 strings. Base64\n\t * encoded strings are marked with a b before the length specifier\n\t *\n\t * @param {Array} packets\n\t * @api private\n\t */\n\t\n\texports.encodePayload = function (packets, supportsBinary, callback) {\n\t if (typeof supportsBinary === 'function') {\n\t callback = supportsBinary;\n\t supportsBinary = null;\n\t }\n\t\n\t var isBinary = hasBinary(packets);\n\t\n\t if (supportsBinary && isBinary) {\n\t if (Blob && !dontSendBlobs) {\n\t return exports.encodePayloadAsBlob(packets, callback);\n\t }\n\t\n\t return exports.encodePayloadAsArrayBuffer(packets, callback);\n\t }\n\t\n\t if (!packets.length) {\n\t return callback('0:');\n\t }\n\t\n\t function setLengthHeader(message) {\n\t return message.length + ':' + message;\n\t }\n\t\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {\n\t doneCallback(null, setLengthHeader(message));\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, results) {\n\t return callback(results.join(''));\n\t });\n\t};\n\t\n\t/**\n\t * Async array map using after\n\t */\n\t\n\tfunction map(ary, each, done) {\n\t var result = new Array(ary.length);\n\t var next = after(ary.length, done);\n\t\n\t var eachWithIndex = function(i, el, cb) {\n\t each(el, function(error, msg) {\n\t result[i] = msg;\n\t cb(error, result);\n\t });\n\t };\n\t\n\t for (var i = 0; i < ary.length; i++) {\n\t eachWithIndex(i, ary[i], next);\n\t }\n\t}\n\t\n\t/*\n\t * Decodes data when a payload is maybe expected. Possible binary contents are\n\t * decoded from their base64 representation\n\t *\n\t * @param {String} data, callback method\n\t * @api public\n\t */\n\t\n\texports.decodePayload = function (data, binaryType, callback) {\n\t if (typeof data !== 'string') {\n\t return exports.decodePayloadAsBinary(data, binaryType, callback);\n\t }\n\t\n\t if (typeof binaryType === 'function') {\n\t callback = binaryType;\n\t binaryType = null;\n\t }\n\t\n\t var packet;\n\t if (data === '') {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t var length = '', n, msg;\n\t\n\t for (var i = 0, l = data.length; i < l; i++) {\n\t var chr = data.charAt(i);\n\t\n\t if (chr !== ':') {\n\t length += chr;\n\t continue;\n\t }\n\t\n\t if (length === '' || (length != (n = Number(length)))) {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t msg = data.substr(i + 1, n);\n\t\n\t if (length != msg.length) {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t if (msg.length) {\n\t packet = exports.decodePacket(msg, binaryType, false);\n\t\n\t if (err.type === packet.type && err.data === packet.data) {\n\t // parser error in individual packet - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t var ret = callback(packet, i + n, l);\n\t if (false === ret) return;\n\t }\n\t\n\t // advance cursor\n\t i += n;\n\t length = '';\n\t }\n\t\n\t if (length !== '') {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t};\n\t\n\t/**\n\t * Encodes multiple messages (payload) as binary.\n\t *\n\t * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number\n\t * 255><data>\n\t *\n\t * Example:\n\t * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers\n\t *\n\t * @param {Array} packets\n\t * @return {ArrayBuffer} encoded payload\n\t * @api private\n\t */\n\t\n\texports.encodePayloadAsArrayBuffer = function(packets, callback) {\n\t if (!packets.length) {\n\t return callback(new ArrayBuffer(0));\n\t }\n\t\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, true, true, function(data) {\n\t return doneCallback(null, data);\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, encodedPackets) {\n\t var totalLength = encodedPackets.reduce(function(acc, p) {\n\t var len;\n\t if (typeof p === 'string'){\n\t len = p.length;\n\t } else {\n\t len = p.byteLength;\n\t }\n\t return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2\n\t }, 0);\n\t\n\t var resultArray = new Uint8Array(totalLength);\n\t\n\t var bufferIndex = 0;\n\t encodedPackets.forEach(function(p) {\n\t var isString = typeof p === 'string';\n\t var ab = p;\n\t if (isString) {\n\t var view = new Uint8Array(p.length);\n\t for (var i = 0; i < p.length; i++) {\n\t view[i] = p.charCodeAt(i);\n\t }\n\t ab = view.buffer;\n\t }\n\t\n\t if (isString) { // not true binary\n\t resultArray[bufferIndex++] = 0;\n\t } else { // true binary\n\t resultArray[bufferIndex++] = 1;\n\t }\n\t\n\t var lenStr = ab.byteLength.toString();\n\t for (var i = 0; i < lenStr.length; i++) {\n\t resultArray[bufferIndex++] = parseInt(lenStr[i]);\n\t }\n\t resultArray[bufferIndex++] = 255;\n\t\n\t var view = new Uint8Array(ab);\n\t for (var i = 0; i < view.length; i++) {\n\t resultArray[bufferIndex++] = view[i];\n\t }\n\t });\n\t\n\t return callback(resultArray.buffer);\n\t });\n\t};\n\t\n\t/**\n\t * Encode as Blob\n\t */\n\t\n\texports.encodePayloadAsBlob = function(packets, callback) {\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, true, true, function(encoded) {\n\t var binaryIdentifier = new Uint8Array(1);\n\t binaryIdentifier[0] = 1;\n\t if (typeof encoded === 'string') {\n\t var view = new Uint8Array(encoded.length);\n\t for (var i = 0; i < encoded.length; i++) {\n\t view[i] = encoded.charCodeAt(i);\n\t }\n\t encoded = view.buffer;\n\t binaryIdentifier[0] = 0;\n\t }\n\t\n\t var len = (encoded instanceof ArrayBuffer)\n\t ? encoded.byteLength\n\t : encoded.size;\n\t\n\t var lenStr = len.toString();\n\t var lengthAry = new Uint8Array(lenStr.length + 1);\n\t for (var i = 0; i < lenStr.length; i++) {\n\t lengthAry[i] = parseInt(lenStr[i]);\n\t }\n\t lengthAry[lenStr.length] = 255;\n\t\n\t if (Blob) {\n\t var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);\n\t doneCallback(null, blob);\n\t }\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, results) {\n\t return callback(new Blob(results));\n\t });\n\t};\n\t\n\t/*\n\t * Decodes data when a payload is maybe expected. Strings are decoded by\n\t * interpreting each byte as a key code for entries marked to start with 0. See\n\t * description of encodePayloadAsBinary\n\t *\n\t * @param {ArrayBuffer} data, callback method\n\t * @api public\n\t */\n\t\n\texports.decodePayloadAsBinary = function (data, binaryType, callback) {\n\t if (typeof binaryType === 'function') {\n\t callback = binaryType;\n\t binaryType = null;\n\t }\n\t\n\t var bufferTail = data;\n\t var buffers = [];\n\t\n\t while (bufferTail.byteLength > 0) {\n\t var tailArray = new Uint8Array(bufferTail);\n\t var isString = tailArray[0] === 0;\n\t var msgLength = '';\n\t\n\t for (var i = 1; ; i++) {\n\t if (tailArray[i] === 255) break;\n\t\n\t // 310 = char length of Number.MAX_VALUE\n\t if (msgLength.length > 310) {\n\t return callback(err, 0, 1);\n\t }\n\t\n\t msgLength += tailArray[i];\n\t }\n\t\n\t bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);\n\t msgLength = parseInt(msgLength);\n\t\n\t var msg = sliceBuffer(bufferTail, 0, msgLength);\n\t if (isString) {\n\t try {\n\t msg = String.fromCharCode.apply(null, new Uint8Array(msg));\n\t } catch (e) {\n\t // iPhone Safari doesn't let you apply to typed arrays\n\t var typed = new Uint8Array(msg);\n\t msg = '';\n\t for (var i = 0; i < typed.length; i++) {\n\t msg += String.fromCharCode(typed[i]);\n\t }\n\t }\n\t }\n\t\n\t buffers.push(msg);\n\t bufferTail = sliceBuffer(bufferTail, msgLength);\n\t }\n\t\n\t var total = buffers.length;\n\t buffers.forEach(function(buffer, i) {\n\t callback(exports.decodePacket(buffer, binaryType, true), i, total);\n\t });\n\t};\n\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Gets the keys for an object.\n\t *\n\t * @return {Array} keys\n\t * @api private\n\t */\n\t\n\tmodule.exports = Object.keys || function keys (obj){\n\t var arr = [];\n\t var has = Object.prototype.hasOwnProperty;\n\t\n\t for (var i in obj) {\n\t if (has.call(obj, i)) {\n\t arr.push(i);\n\t }\n\t }\n\t return arr;\n\t};\n\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* global Blob File */\n\t\n\t/*\n\t * Module requirements.\n\t */\n\t\n\tvar isArray = __webpack_require__(7);\n\t\n\tvar toString = Object.prototype.toString;\n\tvar withNativeBlob = typeof Blob === 'function' ||\n\t typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]';\n\tvar withNativeFile = typeof File === 'function' ||\n\t typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]';\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = hasBinary;\n\t\n\t/**\n\t * Checks for binary data.\n\t *\n\t * Supports Buffer, ArrayBuffer, Blob and File.\n\t *\n\t * @param {Object} anything\n\t * @api public\n\t */\n\t\n\tfunction hasBinary (obj) {\n\t if (!obj || typeof obj !== 'object') {\n\t return false;\n\t }\n\t\n\t if (isArray(obj)) {\n\t for (var i = 0, l = obj.length; i < l; i++) {\n\t if (hasBinary(obj[i])) {\n\t return true;\n\t }\n\t }\n\t return false;\n\t }\n\t\n\t if ((typeof Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) ||\n\t (typeof ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||\n\t (withNativeBlob && obj instanceof Blob) ||\n\t (withNativeFile && obj instanceof File)\n\t ) {\n\t return true;\n\t }\n\t\n\t // see: https://github.com/Automattic/has-binary/pull/4\n\t if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {\n\t return hasBinary(obj.toJSON(), true);\n\t }\n\t\n\t for (var key in obj) {\n\t if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n\t return true;\n\t }\n\t }\n\t\n\t return false;\n\t}\n\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * An abstraction for slicing an arraybuffer even when\n\t * ArrayBuffer.prototype.slice is not supported\n\t *\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(arraybuffer, start, end) {\n\t var bytes = arraybuffer.byteLength;\n\t start = start || 0;\n\t end = end || bytes;\n\t\n\t if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\t\n\t if (start < 0) { start += bytes; }\n\t if (end < 0) { end += bytes; }\n\t if (end > bytes) { end = bytes; }\n\t\n\t if (start >= bytes || start >= end || bytes === 0) {\n\t return new ArrayBuffer(0);\n\t }\n\t\n\t var abv = new Uint8Array(arraybuffer);\n\t var result = new Uint8Array(end - start);\n\t for (var i = start, ii = 0; i < end; i++, ii++) {\n\t result[ii] = abv[i];\n\t }\n\t return result.buffer;\n\t};\n\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = after\n\t\n\tfunction after(count, callback, err_cb) {\n\t var bail = false\n\t err_cb = err_cb || noop\n\t proxy.count = count\n\t\n\t return (count === 0) ? callback() : proxy\n\t\n\t function proxy(err, result) {\n\t if (proxy.count <= 0) {\n\t throw new Error('after called too many times')\n\t }\n\t --proxy.count\n\t\n\t // after first error, rest are passed to err_cb\n\t if (err) {\n\t bail = true\n\t callback(err)\n\t // future error callbacks will go to error handler\n\t callback = err_cb\n\t } else if (proxy.count === 0 && !bail) {\n\t callback(null, result)\n\t }\n\t }\n\t}\n\t\n\tfunction noop() {}\n\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports) {\n\n\t/*! https://mths.be/utf8js v2.1.2 by @mathias */\n\t\n\tvar stringFromCharCode = String.fromCharCode;\n\t\n\t// Taken from https://mths.be/punycode\n\tfunction ucs2decode(string) {\n\t\tvar output = [];\n\t\tvar counter = 0;\n\t\tvar length = string.length;\n\t\tvar value;\n\t\tvar extra;\n\t\twhile (counter < length) {\n\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t} else {\n\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\toutput.push(value);\n\t\t\t\t\tcounter--;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\toutput.push(value);\n\t\t\t}\n\t\t}\n\t\treturn output;\n\t}\n\t\n\t// Taken from https://mths.be/punycode\n\tfunction ucs2encode(array) {\n\t\tvar length = array.length;\n\t\tvar index = -1;\n\t\tvar value;\n\t\tvar output = '';\n\t\twhile (++index < length) {\n\t\t\tvalue = array[index];\n\t\t\tif (value > 0xFFFF) {\n\t\t\t\tvalue -= 0x10000;\n\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t}\n\t\t\toutput += stringFromCharCode(value);\n\t\t}\n\t\treturn output;\n\t}\n\t\n\tfunction checkScalarValue(codePoint, strict) {\n\t\tif (codePoint >= 0xD800 && codePoint <= 0xDFFF) {\n\t\t\tif (strict) {\n\t\t\t\tthrow Error(\n\t\t\t\t\t'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +\n\t\t\t\t\t' is not a scalar value'\n\t\t\t\t);\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t}\n\t/*--------------------------------------------------------------------------*/\n\t\n\tfunction createByte(codePoint, shift) {\n\t\treturn stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);\n\t}\n\t\n\tfunction encodeCodePoint(codePoint, strict) {\n\t\tif ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence\n\t\t\treturn stringFromCharCode(codePoint);\n\t\t}\n\t\tvar symbol = '';\n\t\tif ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);\n\t\t}\n\t\telse if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence\n\t\t\tif (!checkScalarValue(codePoint, strict)) {\n\t\t\t\tcodePoint = 0xFFFD;\n\t\t\t}\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);\n\t\t\tsymbol += createByte(codePoint, 6);\n\t\t}\n\t\telse if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);\n\t\t\tsymbol += createByte(codePoint, 12);\n\t\t\tsymbol += createByte(codePoint, 6);\n\t\t}\n\t\tsymbol += stringFromCharCode((codePoint & 0x3F) | 0x80);\n\t\treturn symbol;\n\t}\n\t\n\tfunction utf8encode(string, opts) {\n\t\topts = opts || {};\n\t\tvar strict = false !== opts.strict;\n\t\n\t\tvar codePoints = ucs2decode(string);\n\t\tvar length = codePoints.length;\n\t\tvar index = -1;\n\t\tvar codePoint;\n\t\tvar byteString = '';\n\t\twhile (++index < length) {\n\t\t\tcodePoint = codePoints[index];\n\t\t\tbyteString += encodeCodePoint(codePoint, strict);\n\t\t}\n\t\treturn byteString;\n\t}\n\t\n\t/*--------------------------------------------------------------------------*/\n\t\n\tfunction readContinuationByte() {\n\t\tif (byteIndex >= byteCount) {\n\t\t\tthrow Error('Invalid byte index');\n\t\t}\n\t\n\t\tvar continuationByte = byteArray[byteIndex] & 0xFF;\n\t\tbyteIndex++;\n\t\n\t\tif ((continuationByte & 0xC0) == 0x80) {\n\t\t\treturn continuationByte & 0x3F;\n\t\t}\n\t\n\t\t// If we end up here, it’s not a continuation byte\n\t\tthrow Error('Invalid continuation byte');\n\t}\n\t\n\tfunction decodeSymbol(strict) {\n\t\tvar byte1;\n\t\tvar byte2;\n\t\tvar byte3;\n\t\tvar byte4;\n\t\tvar codePoint;\n\t\n\t\tif (byteIndex > byteCount) {\n\t\t\tthrow Error('Invalid byte index');\n\t\t}\n\t\n\t\tif (byteIndex == byteCount) {\n\t\t\treturn false;\n\t\t}\n\t\n\t\t// Read first byte\n\t\tbyte1 = byteArray[byteIndex] & 0xFF;\n\t\tbyteIndex++;\n\t\n\t\t// 1-byte sequence (no continuation bytes)\n\t\tif ((byte1 & 0x80) == 0) {\n\t\t\treturn byte1;\n\t\t}\n\t\n\t\t// 2-byte sequence\n\t\tif ((byte1 & 0xE0) == 0xC0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x1F) << 6) | byte2;\n\t\t\tif (codePoint >= 0x80) {\n\t\t\t\treturn codePoint;\n\t\t\t} else {\n\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t}\n\t\t}\n\t\n\t\t// 3-byte sequence (may include unpaired surrogates)\n\t\tif ((byte1 & 0xF0) == 0xE0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tbyte3 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;\n\t\t\tif (codePoint >= 0x0800) {\n\t\t\t\treturn checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;\n\t\t\t} else {\n\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t}\n\t\t}\n\t\n\t\t// 4-byte sequence\n\t\tif ((byte1 & 0xF8) == 0xF0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tbyte3 = readContinuationByte();\n\t\t\tbyte4 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |\n\t\t\t\t(byte3 << 0x06) | byte4;\n\t\t\tif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {\n\t\t\t\treturn codePoint;\n\t\t\t}\n\t\t}\n\t\n\t\tthrow Error('Invalid UTF-8 detected');\n\t}\n\t\n\tvar byteArray;\n\tvar byteCount;\n\tvar byteIndex;\n\tfunction utf8decode(byteString, opts) {\n\t\topts = opts || {};\n\t\tvar strict = false !== opts.strict;\n\t\n\t\tbyteArray = ucs2decode(byteString);\n\t\tbyteCount = byteArray.length;\n\t\tbyteIndex = 0;\n\t\tvar codePoints = [];\n\t\tvar tmp;\n\t\twhile ((tmp = decodeSymbol(strict)) !== false) {\n\t\t\tcodePoints.push(tmp);\n\t\t}\n\t\treturn ucs2encode(codePoints);\n\t}\n\t\n\tmodule.exports = {\n\t\tversion: '2.1.2',\n\t\tencode: utf8encode,\n\t\tdecode: utf8decode\n\t};\n\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports) {\n\n\t/*\n\t * base64-arraybuffer\n\t * https://github.com/niklasvh/base64-arraybuffer\n\t *\n\t * Copyright (c) 2012 Niklas von Hertzen\n\t * Licensed under the MIT license.\n\t */\n\t(function(chars){\n\t \"use strict\";\n\t\n\t exports.encode = function(arraybuffer) {\n\t var bytes = new Uint8Array(arraybuffer),\n\t i, len = bytes.length, base64 = \"\";\n\t\n\t for (i = 0; i < len; i+=3) {\n\t base64 += chars[bytes[i] >> 2];\n\t base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n\t base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n\t base64 += chars[bytes[i + 2] & 63];\n\t }\n\t\n\t if ((len % 3) === 2) {\n\t base64 = base64.substring(0, base64.length - 1) + \"=\";\n\t } else if (len % 3 === 1) {\n\t base64 = base64.substring(0, base64.length - 2) + \"==\";\n\t }\n\t\n\t return base64;\n\t };\n\t\n\t exports.decode = function(base64) {\n\t var bufferLength = base64.length * 0.75,\n\t len = base64.length, i, p = 0,\n\t encoded1, encoded2, encoded3, encoded4;\n\t\n\t if (base64[base64.length - 1] === \"=\") {\n\t bufferLength--;\n\t if (base64[base64.length - 2] === \"=\") {\n\t bufferLength--;\n\t }\n\t }\n\t\n\t var arraybuffer = new ArrayBuffer(bufferLength),\n\t bytes = new Uint8Array(arraybuffer);\n\t\n\t for (i = 0; i < len; i+=4) {\n\t encoded1 = chars.indexOf(base64[i]);\n\t encoded2 = chars.indexOf(base64[i+1]);\n\t encoded3 = chars.indexOf(base64[i+2]);\n\t encoded4 = chars.indexOf(base64[i+3]);\n\t\n\t bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n\t bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n\t bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n\t }\n\t\n\t return arraybuffer;\n\t };\n\t})(\"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\");\n\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports) {\n\n\t/**\r\n\t * Create a blob builder even when vendor prefixes exist\r\n\t */\r\n\t\r\n\tvar BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder :\r\n\t typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder :\r\n\t typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder :\r\n\t typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : \r\n\t false;\r\n\t\r\n\t/**\r\n\t * Check if Blob constructor is supported\r\n\t */\r\n\t\r\n\tvar blobSupported = (function() {\r\n\t try {\r\n\t var a = new Blob(['hi']);\r\n\t return a.size === 2;\r\n\t } catch(e) {\r\n\t return false;\r\n\t }\r\n\t})();\r\n\t\r\n\t/**\r\n\t * Check if Blob constructor supports ArrayBufferViews\r\n\t * Fails in Safari 6, so we need to map to ArrayBuffers there.\r\n\t */\r\n\t\r\n\tvar blobSupportsArrayBufferView = blobSupported && (function() {\r\n\t try {\r\n\t var b = new Blob([new Uint8Array([1,2])]);\r\n\t return b.size === 2;\r\n\t } catch(e) {\r\n\t return false;\r\n\t }\r\n\t})();\r\n\t\r\n\t/**\r\n\t * Check if BlobBuilder is supported\r\n\t */\r\n\t\r\n\tvar blobBuilderSupported = BlobBuilder\r\n\t && BlobBuilder.prototype.append\r\n\t && BlobBuilder.prototype.getBlob;\r\n\t\r\n\t/**\r\n\t * Helper function that maps ArrayBufferViews to ArrayBuffers\r\n\t * Used by BlobBuilder constructor and old browsers that didn't\r\n\t * support it in the Blob constructor.\r\n\t */\r\n\t\r\n\tfunction mapArrayBufferViews(ary) {\r\n\t return ary.map(function(chunk) {\r\n\t if (chunk.buffer instanceof ArrayBuffer) {\r\n\t var buf = chunk.buffer;\r\n\t\r\n\t // if this is a subarray, make a copy so we only\r\n\t // include the subarray region from the underlying buffer\r\n\t if (chunk.byteLength !== buf.byteLength) {\r\n\t var copy = new Uint8Array(chunk.byteLength);\r\n\t copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\r\n\t buf = copy.buffer;\r\n\t }\r\n\t\r\n\t return buf;\r\n\t }\r\n\t\r\n\t return chunk;\r\n\t });\r\n\t}\r\n\t\r\n\tfunction BlobBuilderConstructor(ary, options) {\r\n\t options = options || {};\r\n\t\r\n\t var bb = new BlobBuilder();\r\n\t mapArrayBufferViews(ary).forEach(function(part) {\r\n\t bb.append(part);\r\n\t });\r\n\t\r\n\t return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\r\n\t};\r\n\t\r\n\tfunction BlobConstructor(ary, options) {\r\n\t return new Blob(mapArrayBufferViews(ary), options || {});\r\n\t};\r\n\t\r\n\tif (typeof Blob !== 'undefined') {\r\n\t BlobBuilderConstructor.prototype = Blob.prototype;\r\n\t BlobConstructor.prototype = Blob.prototype;\r\n\t}\r\n\t\r\n\tmodule.exports = (function() {\r\n\t if (blobSupported) {\r\n\t return blobSupportsArrayBufferView ? Blob : BlobConstructor;\r\n\t } else if (blobBuilderSupported) {\r\n\t return BlobBuilderConstructor;\r\n\t } else {\r\n\t return undefined;\r\n\t }\r\n\t})();\r\n\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * Compiles a querystring\n\t * Returns string representation of the object\n\t *\n\t * @param {Object}\n\t * @api private\n\t */\n\t\n\texports.encode = function (obj) {\n\t var str = '';\n\t\n\t for (var i in obj) {\n\t if (obj.hasOwnProperty(i)) {\n\t if (str.length) str += '&';\n\t str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n\t }\n\t }\n\t\n\t return str;\n\t};\n\t\n\t/**\n\t * Parses a simple querystring into an object\n\t *\n\t * @param {String} qs\n\t * @api private\n\t */\n\t\n\texports.decode = function(qs){\n\t var qry = {};\n\t var pairs = qs.split('&');\n\t for (var i = 0, l = pairs.length; i < l; i++) {\n\t var pair = pairs[i].split('=');\n\t qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n\t }\n\t return qry;\n\t};\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports) {\n\n\t\n\tmodule.exports = function(a, b){\n\t var fn = function(){};\n\t fn.prototype = b.prototype;\n\t a.prototype = new fn;\n\t a.prototype.constructor = a;\n\t};\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports) {\n\n\t'use strict';\n\t\n\tvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n\t , length = 64\n\t , map = {}\n\t , seed = 0\n\t , i = 0\n\t , prev;\n\t\n\t/**\n\t * Return a string representing the specified number.\n\t *\n\t * @param {Number} num The number to convert.\n\t * @returns {String} The string representation of the number.\n\t * @api public\n\t */\n\tfunction encode(num) {\n\t var encoded = '';\n\t\n\t do {\n\t encoded = alphabet[num % length] + encoded;\n\t num = Math.floor(num / length);\n\t } while (num > 0);\n\t\n\t return encoded;\n\t}\n\t\n\t/**\n\t * Return the integer value specified by the given string.\n\t *\n\t * @param {String} str The string to convert.\n\t * @returns {Number} The integer value represented by the string.\n\t * @api public\n\t */\n\tfunction decode(str) {\n\t var decoded = 0;\n\t\n\t for (i = 0; i < str.length; i++) {\n\t decoded = decoded * length + map[str.charAt(i)];\n\t }\n\t\n\t return decoded;\n\t}\n\t\n\t/**\n\t * Yeast: A tiny growing id generator.\n\t *\n\t * @returns {String} A unique id.\n\t * @api public\n\t */\n\tfunction yeast() {\n\t var now = encode(+new Date());\n\t\n\t if (now !== prev) return seed = 0, prev = now;\n\t return now +'.'+ encode(seed++);\n\t}\n\t\n\t//\n\t// Map each character to its index.\n\t//\n\tfor (; i < length; i++) map[alphabet[i]] = i;\n\t\n\t//\n\t// Expose the `yeast`, `encode` and `decode` functions.\n\t//\n\tyeast.encode = encode;\n\tyeast.decode = decode;\n\tmodule.exports = yeast;\n\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module requirements.\n\t */\n\t\n\tvar Polling = __webpack_require__(17);\n\tvar inherit = __webpack_require__(28);\n\tvar globalThis = __webpack_require__(15);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = JSONPPolling;\n\t\n\t/**\n\t * Cached regular expressions.\n\t */\n\t\n\tvar rNewline = /\\n/g;\n\tvar rEscapedNewline = /\\\\n/g;\n\t\n\t/**\n\t * Global JSONP callbacks.\n\t */\n\t\n\tvar callbacks;\n\t\n\t/**\n\t * Noop.\n\t */\n\t\n\tfunction empty () { }\n\t\n\t/**\n\t * JSONP Polling constructor.\n\t *\n\t * @param {Object} opts.\n\t * @api public\n\t */\n\t\n\tfunction JSONPPolling (opts) {\n\t Polling.call(this, opts);\n\t\n\t this.query = this.query || {};\n\t\n\t // define global callbacks array if not present\n\t // we do this here (lazily) to avoid unneeded global pollution\n\t if (!callbacks) {\n\t // we need to consider multiple engines in the same page\n\t callbacks = globalThis.___eio = (globalThis.___eio || []);\n\t }\n\t\n\t // callback identifier\n\t this.index = callbacks.length;\n\t\n\t // add callback to jsonp global\n\t var self = this;\n\t callbacks.push(function (msg) {\n\t self.onData(msg);\n\t });\n\t\n\t // append to query string\n\t this.query.j = this.index;\n\t\n\t // prevent spurious errors from being emitted when the window is unloaded\n\t if (typeof addEventListener === 'function') {\n\t addEventListener('beforeunload', function () {\n\t if (self.script) self.script.onerror = empty;\n\t }, false);\n\t }\n\t}\n\t\n\t/**\n\t * Inherits from Polling.\n\t */\n\t\n\tinherit(JSONPPolling, Polling);\n\t\n\t/*\n\t * JSONP only supports binary as base64 encoded strings\n\t */\n\t\n\tJSONPPolling.prototype.supportsBinary = false;\n\t\n\t/**\n\t * Closes the socket.\n\t *\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doClose = function () {\n\t if (this.script) {\n\t this.script.parentNode.removeChild(this.script);\n\t this.script = null;\n\t }\n\t\n\t if (this.form) {\n\t this.form.parentNode.removeChild(this.form);\n\t this.form = null;\n\t this.iframe = null;\n\t }\n\t\n\t Polling.prototype.doClose.call(this);\n\t};\n\t\n\t/**\n\t * Starts a poll cycle.\n\t *\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doPoll = function () {\n\t var self = this;\n\t var script = document.createElement('script');\n\t\n\t if (this.script) {\n\t this.script.parentNode.removeChild(this.script);\n\t this.script = null;\n\t }\n\t\n\t script.async = true;\n\t script.src = this.uri();\n\t script.onerror = function (e) {\n\t self.onError('jsonp poll error', e);\n\t };\n\t\n\t var insertAt = document.getElementsByTagName('script')[0];\n\t if (insertAt) {\n\t insertAt.parentNode.insertBefore(script, insertAt);\n\t } else {\n\t (document.head || document.body).appendChild(script);\n\t }\n\t this.script = script;\n\t\n\t var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\t\n\t if (isUAgecko) {\n\t setTimeout(function () {\n\t var iframe = document.createElement('iframe');\n\t document.body.appendChild(iframe);\n\t document.body.removeChild(iframe);\n\t }, 100);\n\t }\n\t};\n\t\n\t/**\n\t * Writes with a hidden iframe.\n\t *\n\t * @param {String} data to send\n\t * @param {Function} called upon flush.\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doWrite = function (data, fn) {\n\t var self = this;\n\t\n\t if (!this.form) {\n\t var form = document.createElement('form');\n\t var area = document.createElement('textarea');\n\t var id = this.iframeId = 'eio_iframe_' + this.index;\n\t var iframe;\n\t\n\t form.className = 'socketio';\n\t form.style.position = 'absolute';\n\t form.style.top = '-1000px';\n\t form.style.left = '-1000px';\n\t form.target = id;\n\t form.method = 'POST';\n\t form.setAttribute('accept-charset', 'utf-8');\n\t area.name = 'd';\n\t form.appendChild(area);\n\t document.body.appendChild(form);\n\t\n\t this.form = form;\n\t this.area = area;\n\t }\n\t\n\t this.form.action = this.uri();\n\t\n\t function complete () {\n\t initIframe();\n\t fn();\n\t }\n\t\n\t function initIframe () {\n\t if (self.iframe) {\n\t try {\n\t self.form.removeChild(self.iframe);\n\t } catch (e) {\n\t self.onError('jsonp polling iframe removal error', e);\n\t }\n\t }\n\t\n\t try {\n\t // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n\t var html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n\t iframe = document.createElement(html);\n\t } catch (e) {\n\t iframe = document.createElement('iframe');\n\t iframe.name = self.iframeId;\n\t iframe.src = 'javascript:0';\n\t }\n\t\n\t iframe.id = self.iframeId;\n\t\n\t self.form.appendChild(iframe);\n\t self.iframe = iframe;\n\t }\n\t\n\t initIframe();\n\t\n\t // escape \\n to prevent it from being converted into \\r\\n by some UAs\n\t // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n\t data = data.replace(rEscapedNewline, '\\\\\\n');\n\t this.area.value = data.replace(rNewline, '\\\\n');\n\t\n\t try {\n\t this.form.submit();\n\t } catch (e) {}\n\t\n\t if (this.iframe.attachEvent) {\n\t this.iframe.onreadystatechange = function () {\n\t if (self.iframe.readyState === 'complete') {\n\t complete();\n\t }\n\t };\n\t } else {\n\t this.iframe.onload = complete;\n\t }\n\t};\n\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar Transport = __webpack_require__(18);\n\tvar parser = __webpack_require__(19);\n\tvar parseqs = __webpack_require__(27);\n\tvar inherit = __webpack_require__(28);\n\tvar yeast = __webpack_require__(29);\n\tvar debug = __webpack_require__(3)('engine.io-client:websocket');\n\t\n\tvar BrowserWebSocket, NodeWebSocket;\n\t\n\tif (typeof WebSocket !== 'undefined') {\n\t BrowserWebSocket = WebSocket;\n\t} else if (typeof self !== 'undefined') {\n\t BrowserWebSocket = self.WebSocket || self.MozWebSocket;\n\t}\n\t\n\tif (typeof window === 'undefined') {\n\t try {\n\t NodeWebSocket = __webpack_require__(32);\n\t } catch (e) { }\n\t}\n\t\n\t/**\n\t * Get either the `WebSocket` or `MozWebSocket` globals\n\t * in the browser or try to resolve WebSocket-compatible\n\t * interface exposed by `ws` for Node-like environment.\n\t */\n\t\n\tvar WebSocketImpl = BrowserWebSocket || NodeWebSocket;\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = WS;\n\t\n\t/**\n\t * WebSocket transport constructor.\n\t *\n\t * @api {Object} connection options\n\t * @api public\n\t */\n\t\n\tfunction WS (opts) {\n\t var forceBase64 = (opts && opts.forceBase64);\n\t if (forceBase64) {\n\t this.supportsBinary = false;\n\t }\n\t this.perMessageDeflate = opts.perMessageDeflate;\n\t this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;\n\t this.protocols = opts.protocols;\n\t if (!this.usingBrowserWebSocket) {\n\t WebSocketImpl = NodeWebSocket;\n\t }\n\t Transport.call(this, opts);\n\t}\n\t\n\t/**\n\t * Inherits from Transport.\n\t */\n\t\n\tinherit(WS, Transport);\n\t\n\t/**\n\t * Transport name.\n\t *\n\t * @api public\n\t */\n\t\n\tWS.prototype.name = 'websocket';\n\t\n\t/*\n\t * WebSockets support binary\n\t */\n\t\n\tWS.prototype.supportsBinary = true;\n\t\n\t/**\n\t * Opens socket.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.doOpen = function () {\n\t if (!this.check()) {\n\t // let probe timeout\n\t return;\n\t }\n\t\n\t var uri = this.uri();\n\t var protocols = this.protocols;\n\t\n\t var opts = {};\n\t\n\t if (!this.isReactNative) {\n\t opts.agent = this.agent;\n\t opts.perMessageDeflate = this.perMessageDeflate;\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t }\n\t\n\t if (this.extraHeaders) {\n\t opts.headers = this.extraHeaders;\n\t }\n\t if (this.localAddress) {\n\t opts.localAddress = this.localAddress;\n\t }\n\t\n\t try {\n\t this.ws =\n\t this.usingBrowserWebSocket && !this.isReactNative\n\t ? protocols\n\t ? new WebSocketImpl(uri, protocols)\n\t : new WebSocketImpl(uri)\n\t : new WebSocketImpl(uri, protocols, opts);\n\t } catch (err) {\n\t return this.emit('error', err);\n\t }\n\t\n\t if (this.ws.binaryType === undefined) {\n\t this.supportsBinary = false;\n\t }\n\t\n\t if (this.ws.supports && this.ws.supports.binary) {\n\t this.supportsBinary = true;\n\t this.ws.binaryType = 'nodebuffer';\n\t } else {\n\t this.ws.binaryType = 'arraybuffer';\n\t }\n\t\n\t this.addEventListeners();\n\t};\n\t\n\t/**\n\t * Adds event listeners to the socket\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.addEventListeners = function () {\n\t var self = this;\n\t\n\t this.ws.onopen = function () {\n\t self.onOpen();\n\t };\n\t this.ws.onclose = function () {\n\t self.onClose();\n\t };\n\t this.ws.onmessage = function (ev) {\n\t self.onData(ev.data);\n\t };\n\t this.ws.onerror = function (e) {\n\t self.onError('websocket error', e);\n\t };\n\t};\n\t\n\t/**\n\t * Writes data to socket.\n\t *\n\t * @param {Array} array of packets.\n\t * @api private\n\t */\n\t\n\tWS.prototype.write = function (packets) {\n\t var self = this;\n\t this.writable = false;\n\t\n\t // encodePacket efficient as it uses WS framing\n\t // no need for encodePayload\n\t var total = packets.length;\n\t for (var i = 0, l = total; i < l; i++) {\n\t (function (packet) {\n\t parser.encodePacket(packet, self.supportsBinary, function (data) {\n\t if (!self.usingBrowserWebSocket) {\n\t // always create a new object (GH-437)\n\t var opts = {};\n\t if (packet.options) {\n\t opts.compress = packet.options.compress;\n\t }\n\t\n\t if (self.perMessageDeflate) {\n\t var len = 'string' === typeof data ? Buffer.byteLength(data) : data.length;\n\t if (len < self.perMessageDeflate.threshold) {\n\t opts.compress = false;\n\t }\n\t }\n\t }\n\t\n\t // Sometimes the websocket has already been closed but the browser didn't\n\t // have a chance of informing us about it yet, in that case send will\n\t // throw an error\n\t try {\n\t if (self.usingBrowserWebSocket) {\n\t // TypeError is thrown when passing the second argument on Safari\n\t self.ws.send(data);\n\t } else {\n\t self.ws.send(data, opts);\n\t }\n\t } catch (e) {\n\t\n\t }\n\t\n\t --total || done();\n\t });\n\t })(packets[i]);\n\t }\n\t\n\t function done () {\n\t self.emit('flush');\n\t\n\t // fake drain\n\t // defer to next tick to allow Socket to clear writeBuffer\n\t setTimeout(function () {\n\t self.writable = true;\n\t self.emit('drain');\n\t }, 0);\n\t }\n\t};\n\t\n\t/**\n\t * Called upon close\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.onClose = function () {\n\t Transport.prototype.onClose.call(this);\n\t};\n\t\n\t/**\n\t * Closes socket.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.doClose = function () {\n\t if (typeof this.ws !== 'undefined') {\n\t this.ws.close();\n\t }\n\t};\n\t\n\t/**\n\t * Generates uri for connection.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.uri = function () {\n\t var query = this.query || {};\n\t var schema = this.secure ? 'wss' : 'ws';\n\t var port = '';\n\t\n\t // avoid port if default for schema\n\t if (this.port && (('wss' === schema && Number(this.port) !== 443) ||\n\t ('ws' === schema && Number(this.port) !== 80))) {\n\t port = ':' + this.port;\n\t }\n\t\n\t // append timestamp to URI\n\t if (this.timestampRequests) {\n\t query[this.timestampParam] = yeast();\n\t }\n\t\n\t // communicate binary support capabilities\n\t if (!this.supportsBinary) {\n\t query.b64 = 1;\n\t }\n\t\n\t query = parseqs.encode(query);\n\t\n\t // prepend ? to query\n\t if (query.length) {\n\t query = '?' + query;\n\t }\n\t\n\t var ipv6 = this.hostname.indexOf(':') !== -1;\n\t return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n\t};\n\t\n\t/**\n\t * Feature detection for WebSocket.\n\t *\n\t * @return {Boolean} whether this transport is available.\n\t * @api public\n\t */\n\t\n\tWS.prototype.check = function () {\n\t return !!WebSocketImpl && !('__initialize' in WebSocketImpl && this.name === WS.prototype.name);\n\t};\n\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports) {\n\n\t/* (ignored) */\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports) {\n\n\t\n\tvar indexOf = [].indexOf;\n\t\n\tmodule.exports = function(arr, obj){\n\t if (indexOf) return arr.indexOf(obj);\n\t for (var i = 0; i < arr.length; ++i) {\n\t if (arr[i] === obj) return i;\n\t }\n\t return -1;\n\t};\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parser = __webpack_require__(4);\n\tvar Emitter = __webpack_require__(5);\n\tvar toArray = __webpack_require__(35);\n\tvar on = __webpack_require__(36);\n\tvar bind = __webpack_require__(37);\n\tvar debug = __webpack_require__(3)('socket.io-client:socket');\n\tvar parseqs = __webpack_require__(27);\n\tvar hasBin = __webpack_require__(21);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = exports = Socket;\n\t\n\t/**\n\t * Internal events (blacklisted).\n\t * These events can't be emitted by the user.\n\t *\n\t * @api private\n\t */\n\t\n\tvar events = {\n\t connect: 1,\n\t connect_error: 1,\n\t connect_timeout: 1,\n\t connecting: 1,\n\t disconnect: 1,\n\t error: 1,\n\t reconnect: 1,\n\t reconnect_attempt: 1,\n\t reconnect_failed: 1,\n\t reconnect_error: 1,\n\t reconnecting: 1,\n\t ping: 1,\n\t pong: 1\n\t};\n\t\n\t/**\n\t * Shortcut to `Emitter#emit`.\n\t */\n\t\n\tvar emit = Emitter.prototype.emit;\n\t\n\t/**\n\t * `Socket` constructor.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction Socket(io, nsp, opts) {\n\t this.io = io;\n\t this.nsp = nsp;\n\t this.json = this; // compat\n\t this.ids = 0;\n\t this.acks = {};\n\t this.receiveBuffer = [];\n\t this.sendBuffer = [];\n\t this.connected = false;\n\t this.disconnected = true;\n\t this.flags = {};\n\t if (opts && opts.query) {\n\t this.query = opts.query;\n\t }\n\t if (this.io.autoConnect) this.open();\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Socket.prototype);\n\t\n\t/**\n\t * Subscribe to open, close and packet events\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.subEvents = function () {\n\t if (this.subs) return;\n\t\n\t var io = this.io;\n\t this.subs = [on(io, 'open', bind(this, 'onopen')), on(io, 'packet', bind(this, 'onpacket')), on(io, 'close', bind(this, 'onclose'))];\n\t};\n\t\n\t/**\n\t * \"Opens\" the socket.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.prototype.open = Socket.prototype.connect = function () {\n\t if (this.connected) return this;\n\t\n\t this.subEvents();\n\t if (!this.io.reconnecting) this.io.open(); // ensure open\n\t if ('open' === this.io.readyState) this.onopen();\n\t this.emit('connecting');\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a `message` event.\n\t *\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.send = function () {\n\t var args = toArray(arguments);\n\t args.unshift('message');\n\t this.emit.apply(this, args);\n\t return this;\n\t};\n\t\n\t/**\n\t * Override `emit`.\n\t * If the event is in `events`, it's emitted normally.\n\t *\n\t * @param {String} event name\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.emit = function (ev) {\n\t if (events.hasOwnProperty(ev)) {\n\t emit.apply(this, arguments);\n\t return this;\n\t }\n\t\n\t var args = toArray(arguments);\n\t var packet = {\n\t type: (this.flags.binary !== undefined ? this.flags.binary : hasBin(args)) ? parser.BINARY_EVENT : parser.EVENT,\n\t data: args\n\t };\n\t\n\t packet.options = {};\n\t packet.options.compress = !this.flags || false !== this.flags.compress;\n\t\n\t // event ack callback\n\t if ('function' === typeof args[args.length - 1]) {\n\t\n\t this.acks[this.ids] = args.pop();\n\t packet.id = this.ids++;\n\t }\n\t\n\t if (this.connected) {\n\t this.packet(packet);\n\t } else {\n\t this.sendBuffer.push(packet);\n\t }\n\t\n\t this.flags = {};\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.packet = function (packet) {\n\t packet.nsp = this.nsp;\n\t this.io.packet(packet);\n\t};\n\t\n\t/**\n\t * Called upon engine `open`.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onopen = function () {\n\t\n\t // write connect packet if necessary\n\t if ('/' !== this.nsp) {\n\t if (this.query) {\n\t var query = _typeof(this.query) === 'object' ? parseqs.encode(this.query) : this.query;\n\t\n\t this.packet({ type: parser.CONNECT, query: query });\n\t } else {\n\t this.packet({ type: parser.CONNECT });\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Called upon engine `close`.\n\t *\n\t * @param {String} reason\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onclose = function (reason) {\n\t\n\t this.connected = false;\n\t this.disconnected = true;\n\t delete this.id;\n\t this.emit('disconnect', reason);\n\t};\n\t\n\t/**\n\t * Called with socket packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onpacket = function (packet) {\n\t var sameNamespace = packet.nsp === this.nsp;\n\t var rootNamespaceError = packet.type === parser.ERROR && packet.nsp === '/';\n\t\n\t if (!sameNamespace && !rootNamespaceError) return;\n\t\n\t switch (packet.type) {\n\t case parser.CONNECT:\n\t this.onconnect();\n\t break;\n\t\n\t case parser.EVENT:\n\t this.onevent(packet);\n\t break;\n\t\n\t case parser.BINARY_EVENT:\n\t this.onevent(packet);\n\t break;\n\t\n\t case parser.ACK:\n\t this.onack(packet);\n\t break;\n\t\n\t case parser.BINARY_ACK:\n\t this.onack(packet);\n\t break;\n\t\n\t case parser.DISCONNECT:\n\t this.ondisconnect();\n\t break;\n\t\n\t case parser.ERROR:\n\t this.emit('error', packet.data);\n\t break;\n\t }\n\t};\n\t\n\t/**\n\t * Called upon a server event.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onevent = function (packet) {\n\t var args = packet.data || [];\n\t\n\t if (null != packet.id) {\n\t\n\t args.push(this.ack(packet.id));\n\t }\n\t\n\t if (this.connected) {\n\t emit.apply(this, args);\n\t } else {\n\t this.receiveBuffer.push(args);\n\t }\n\t};\n\t\n\t/**\n\t * Produces an ack callback to emit with an event.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.ack = function (id) {\n\t var self = this;\n\t var sent = false;\n\t return function () {\n\t // prevent double callbacks\n\t if (sent) return;\n\t sent = true;\n\t var args = toArray(arguments);\n\t\n\t self.packet({\n\t type: hasBin(args) ? parser.BINARY_ACK : parser.ACK,\n\t id: id,\n\t data: args\n\t });\n\t };\n\t};\n\t\n\t/**\n\t * Called upon a server acknowlegement.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onack = function (packet) {\n\t var ack = this.acks[packet.id];\n\t if ('function' === typeof ack) {\n\t\n\t ack.apply(this, packet.data);\n\t delete this.acks[packet.id];\n\t } else {}\n\t};\n\t\n\t/**\n\t * Called upon server connect.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onconnect = function () {\n\t this.connected = true;\n\t this.disconnected = false;\n\t this.emit('connect');\n\t this.emitBuffered();\n\t};\n\t\n\t/**\n\t * Emit buffered events (received and emitted).\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.emitBuffered = function () {\n\t var i;\n\t for (i = 0; i < this.receiveBuffer.length; i++) {\n\t emit.apply(this, this.receiveBuffer[i]);\n\t }\n\t this.receiveBuffer = [];\n\t\n\t for (i = 0; i < this.sendBuffer.length; i++) {\n\t this.packet(this.sendBuffer[i]);\n\t }\n\t this.sendBuffer = [];\n\t};\n\t\n\t/**\n\t * Called upon server disconnect.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.ondisconnect = function () {\n\t\n\t this.destroy();\n\t this.onclose('io server disconnect');\n\t};\n\t\n\t/**\n\t * Called upon forced client/server side disconnections,\n\t * this method ensures the manager stops tracking us and\n\t * that reconnections don't get triggered for this.\n\t *\n\t * @api private.\n\t */\n\t\n\tSocket.prototype.destroy = function () {\n\t if (this.subs) {\n\t // clean subscriptions to avoid reconnections\n\t for (var i = 0; i < this.subs.length; i++) {\n\t this.subs[i].destroy();\n\t }\n\t this.subs = null;\n\t }\n\t\n\t this.io.destroy(this);\n\t};\n\t\n\t/**\n\t * Disconnects the socket manually.\n\t *\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.close = Socket.prototype.disconnect = function () {\n\t if (this.connected) {\n\t\n\t this.packet({ type: parser.DISCONNECT });\n\t }\n\t\n\t // remove socket from pool\n\t this.destroy();\n\t\n\t if (this.connected) {\n\t // fire events\n\t this.onclose('io client disconnect');\n\t }\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the compress flag.\n\t *\n\t * @param {Boolean} if `true`, compresses the sending data\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.compress = function (compress) {\n\t this.flags.compress = compress;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the binary flag\n\t *\n\t * @param {Boolean} whether the emitted data contains binary\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.binary = function (binary) {\n\t this.flags.binary = binary;\n\t return this;\n\t};\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = toArray\n\t\n\tfunction toArray(list, index) {\n\t var array = []\n\t\n\t index = index || 0\n\t\n\t for (var i = index || 0; i < list.length; i++) {\n\t array[i - index] = list[i]\n\t }\n\t\n\t return array\n\t}\n\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = on;\n\t\n\t/**\n\t * Helper for subscriptions.\n\t *\n\t * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`\n\t * @param {String} event name\n\t * @param {Function} callback\n\t * @api public\n\t */\n\t\n\tfunction on(obj, ev, fn) {\n\t obj.on(ev, fn);\n\t return {\n\t destroy: function destroy() {\n\t obj.removeListener(ev, fn);\n\t }\n\t };\n\t}\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * Slice reference.\n\t */\n\t\n\tvar slice = [].slice;\n\t\n\t/**\n\t * Bind `obj` to `fn`.\n\t *\n\t * @param {Object} obj\n\t * @param {Function|String} fn or string\n\t * @return {Function}\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(obj, fn){\n\t if ('string' == typeof fn) fn = obj[fn];\n\t if ('function' != typeof fn) throw new Error('bind() requires a function');\n\t var args = slice.call(arguments, 2);\n\t return function(){\n\t return fn.apply(obj, args.concat(slice.call(arguments)));\n\t }\n\t};\n\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Expose `Backoff`.\n\t */\n\t\n\tmodule.exports = Backoff;\n\t\n\t/**\n\t * Initialize backoff timer with `opts`.\n\t *\n\t * - `min` initial timeout in milliseconds [100]\n\t * - `max` max timeout [10000]\n\t * - `jitter` [0]\n\t * - `factor` [2]\n\t *\n\t * @param {Object} opts\n\t * @api public\n\t */\n\t\n\tfunction Backoff(opts) {\n\t opts = opts || {};\n\t this.ms = opts.min || 100;\n\t this.max = opts.max || 10000;\n\t this.factor = opts.factor || 2;\n\t this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n\t this.attempts = 0;\n\t}\n\t\n\t/**\n\t * Return the backoff duration.\n\t *\n\t * @return {Number}\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.duration = function(){\n\t var ms = this.ms * Math.pow(this.factor, this.attempts++);\n\t if (this.jitter) {\n\t var rand = Math.random();\n\t var deviation = Math.floor(rand * this.jitter * ms);\n\t ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n\t }\n\t return Math.min(ms, this.max) | 0;\n\t};\n\t\n\t/**\n\t * Reset the number of attempts.\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.reset = function(){\n\t this.attempts = 0;\n\t};\n\t\n\t/**\n\t * Set the minimum duration\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setMin = function(min){\n\t this.ms = min;\n\t};\n\t\n\t/**\n\t * Set the maximum duration\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setMax = function(max){\n\t this.max = max;\n\t};\n\t\n\t/**\n\t * Set the jitter\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setJitter = function(jitter){\n\t this.jitter = jitter;\n\t};\n\t\n\n\n/***/ })\n/******/ ])\n});\n;\n\n\n// WEBPACK FOOTER //\n// socket.io.slim.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 0185998b17feaab39f37","\n/**\n * Module dependencies.\n */\n\nvar url = require('./url');\nvar parser = require('socket.io-parser');\nvar Manager = require('./manager');\nvar debug = require('debug')('socket.io-client');\n\n/**\n * Module exports.\n */\n\nmodule.exports = exports = lookup;\n\n/**\n * Managers cache.\n */\n\nvar cache = exports.managers = {};\n\n/**\n * Looks up an existing `Manager` for multiplexing.\n * If the user summons:\n *\n * `io('http://localhost/a');`\n * `io('http://localhost/b');`\n *\n * We reuse the existing instance based on same scheme/port/host,\n * and we initialize sockets for each namespace.\n *\n * @api public\n */\n\nfunction lookup (uri, opts) {\n if (typeof uri === 'object') {\n opts = uri;\n uri = undefined;\n }\n\n opts = opts || {};\n\n var parsed = url(uri);\n var source = parsed.source;\n var id = parsed.id;\n var path = parsed.path;\n var sameNamespace = cache[id] && path in cache[id].nsps;\n var newConnection = opts.forceNew || opts['force new connection'] ||\n false === opts.multiplex || sameNamespace;\n\n var io;\n\n if (newConnection) {\n\n io = Manager(source, opts);\n } else {\n if (!cache[id]) {\n\n cache[id] = Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.query;\n }\n return io.socket(parsed.path, opts);\n}\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nexports.protocol = parser.protocol;\n\n/**\n * `connect`.\n *\n * @param {String} uri\n * @api public\n */\n\nexports.connect = lookup;\n\n/**\n * Expose constructors for standalone build.\n *\n * @api public\n */\n\nexports.Manager = require('./manager');\nexports.Socket = require('./socket');\n\n\n\n// WEBPACK FOOTER //\n// ./lib/index.js","\n/**\n * Module dependencies.\n */\n\nvar parseuri = require('parseuri');\nvar debug = require('debug')('socket.io-client:url');\n\n/**\n * Module exports.\n */\n\nmodule.exports = url;\n\n/**\n * URL parser.\n *\n * @param {String} url\n * @param {Object} An object meant to mimic window.location.\n * Defaults to window.location.\n * @api public\n */\n\nfunction url (uri, loc) {\n var obj = uri;\n\n // default to window.location\n loc = loc || (typeof location !== 'undefined' && location);\n if (null == uri) uri = loc.protocol + '//' + loc.host;\n\n // relative path support\n if ('string' === typeof uri) {\n if ('/' === uri.charAt(0)) {\n if ('/' === uri.charAt(1)) {\n uri = loc.protocol + uri;\n } else {\n uri = loc.host + uri;\n }\n }\n\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n\n if ('undefined' !== typeof loc) {\n uri = loc.protocol + '//' + uri;\n } else {\n uri = 'https://' + uri;\n }\n }\n\n // parse\n\n obj = parseuri(uri);\n }\n\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = '80';\n } else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = '443';\n }\n }\n\n obj.path = obj.path || '/';\n\n var ipv6 = obj.host.indexOf(':') !== -1;\n var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\n // define unique id\n obj.id = obj.protocol + '://' + host + ':' + obj.port;\n // define href\n obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : (':' + obj.port));\n\n return obj;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./lib/url.js","/**\n * Parses an URI\n *\n * @author Steven Levithan <stevenlevithan.com> (MIT license)\n * @api private\n */\n\nvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\n\nvar parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\n\nmodule.exports = function parseuri(str) {\n var src = str,\n b = str.indexOf('['),\n e = str.indexOf(']');\n\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n\n var m = re.exec(str || ''),\n uri = {},\n i = 14;\n\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n\n return uri;\n};\n\nfunction pathNames(obj, path) {\n var regx = /\\/{2,9}/g,\n names = path.replace(regx, \"/\").split(\"/\");\n\n if (path.substr(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.substr(path.length - 1, 1) == '/') {\n names.splice(names.length - 1, 1);\n }\n\n return names;\n}\n\nfunction queryKey(uri, query) {\n var data = {};\n\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n\n return data;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/parseuri/index.js\n// module id = 2\n// module chunks = 0","\nmodule.exports = function () { return function () {}; };\n\n\n\n// WEBPACK FOOTER //\n// ./support/noop.js","\n/**\n * Module dependencies.\n */\n\nvar debug = require('debug')('socket.io-parser');\nvar Emitter = require('component-emitter');\nvar binary = require('./binary');\nvar isArray = require('isarray');\nvar isBuf = require('./is-buffer');\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nexports.protocol = 4;\n\n/**\n * Packet types.\n *\n * @api public\n */\n\nexports.types = [\n 'CONNECT',\n 'DISCONNECT',\n 'EVENT',\n 'ACK',\n 'ERROR',\n 'BINARY_EVENT',\n 'BINARY_ACK'\n];\n\n/**\n * Packet type `connect`.\n *\n * @api public\n */\n\nexports.CONNECT = 0;\n\n/**\n * Packet type `disconnect`.\n *\n * @api public\n */\n\nexports.DISCONNECT = 1;\n\n/**\n * Packet type `event`.\n *\n * @api public\n */\n\nexports.EVENT = 2;\n\n/**\n * Packet type `ack`.\n *\n * @api public\n */\n\nexports.ACK = 3;\n\n/**\n * Packet type `error`.\n *\n * @api public\n */\n\nexports.ERROR = 4;\n\n/**\n * Packet type 'binary event'\n *\n * @api public\n */\n\nexports.BINARY_EVENT = 5;\n\n/**\n * Packet type `binary ack`. For acks with binary arguments.\n *\n * @api public\n */\n\nexports.BINARY_ACK = 6;\n\n/**\n * Encoder constructor.\n *\n * @api public\n */\n\nexports.Encoder = Encoder;\n\n/**\n * Decoder constructor.\n *\n * @api public\n */\n\nexports.Decoder = Decoder;\n\n/**\n * A socket.io Encoder instance\n *\n * @api public\n */\n\nfunction Encoder() {}\n\nvar ERROR_PACKET = exports.ERROR + '\"encode error\"';\n\n/**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n * @param {Function} callback - function to handle encodings (likely engine.write)\n * @return Calls callback with Array of encodings\n * @api public\n */\n\nEncoder.prototype.encode = function(obj, callback){\n\n\n if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n encodeAsBinary(obj, callback);\n } else {\n var encoding = encodeAsString(obj);\n callback([encoding]);\n }\n};\n\n/**\n * Encode packet as string.\n *\n * @param {Object} packet\n * @return {String} encoded\n * @api private\n */\n\nfunction encodeAsString(obj) {\n\n // first is type\n var str = '' + obj.type;\n\n // attachments if we have them\n if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n str += obj.attachments + '-';\n }\n\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && '/' !== obj.nsp) {\n str += obj.nsp + ',';\n }\n\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n\n // json data\n if (null != obj.data) {\n var payload = tryStringify(obj.data);\n if (payload !== false) {\n str += payload;\n } else {\n return ERROR_PACKET;\n }\n }\n\n\n return str;\n}\n\nfunction tryStringify(str) {\n try {\n return JSON.stringify(str);\n } catch(e){\n return false;\n }\n}\n\n/**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n *\n * @param {Object} packet\n * @return {Buffer} encoded\n * @api private\n */\n\nfunction encodeAsBinary(obj, callback) {\n\n function writeEncoding(bloblessData) {\n var deconstruction = binary.deconstructPacket(bloblessData);\n var pack = encodeAsString(deconstruction.packet);\n var buffers = deconstruction.buffers;\n\n buffers.unshift(pack); // add packet info to beginning of data list\n callback(buffers); // write all the buffers\n }\n\n binary.removeBlobs(obj, writeEncoding);\n}\n\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n * @api public\n */\n\nfunction Decoder() {\n this.reconstructor = null;\n}\n\n/**\n * Mix in `Emitter` with Decoder.\n */\n\nEmitter(Decoder.prototype);\n\n/**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n * @return {Object} packet\n * @api public\n */\n\nDecoder.prototype.add = function(obj) {\n var packet;\n if (typeof obj === 'string') {\n packet = decodeString(obj);\n if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n\n // no attachments, labeled binary but no binary data to follow\n if (this.reconstructor.reconPack.attachments === 0) {\n this.emit('decoded', packet);\n }\n } else { // non-binary full packet\n this.emit('decoded', packet);\n }\n } else if (isBuf(obj) || obj.base64) { // raw binary data\n if (!this.reconstructor) {\n throw new Error('got binary data when not reconstructing a packet');\n } else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) { // received final buffer\n this.reconstructor = null;\n this.emit('decoded', packet);\n }\n }\n } else {\n throw new Error('Unknown type: ' + obj);\n }\n};\n\n/**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n * @api private\n */\n\nfunction decodeString(str) {\n var i = 0;\n // look up type\n var p = {\n type: Number(str.charAt(0))\n };\n\n if (null == exports.types[p.type]) {\n return error('unknown packet type ' + p.type);\n }\n\n // look up attachments if type binary\n if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {\n var buf = '';\n while (str.charAt(++i) !== '-') {\n buf += str.charAt(i);\n if (i == str.length) break;\n }\n if (buf != Number(buf) || str.charAt(i) !== '-') {\n throw new Error('Illegal attachments');\n }\n p.attachments = Number(buf);\n }\n\n // look up namespace (if any)\n if ('/' === str.charAt(i + 1)) {\n p.nsp = '';\n while (++i) {\n var c = str.charAt(i);\n if (',' === c) break;\n p.nsp += c;\n if (i === str.length) break;\n }\n } else {\n p.nsp = '/';\n }\n\n // look up id\n var next = str.charAt(i + 1);\n if ('' !== next && Number(next) == next) {\n p.id = '';\n while (++i) {\n var c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n p.id += str.charAt(i);\n if (i === str.length) break;\n }\n p.id = Number(p.id);\n }\n\n // look up json data\n if (str.charAt(++i)) {\n var payload = tryParse(str.substr(i));\n var isPayloadValid = payload !== false && (p.type === exports.ERROR || isArray(payload));\n if (isPayloadValid) {\n p.data = payload;\n } else {\n return error('invalid payload');\n }\n }\n\n\n return p;\n}\n\nfunction tryParse(str) {\n try {\n return JSON.parse(str);\n } catch(e){\n return false;\n }\n}\n\n/**\n * Deallocates a parser's resources\n *\n * @api public\n */\n\nDecoder.prototype.destroy = function() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n }\n};\n\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n * @api private\n */\n\nfunction BinaryReconstructor(packet) {\n this.reconPack = packet;\n this.buffers = [];\n}\n\n/**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n * @api private\n */\n\nBinaryReconstructor.prototype.takeBinaryData = function(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) { // done with buffer list\n var packet = binary.reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n};\n\n/**\n * Cleans up binary packet reconstruction variables.\n *\n * @api private\n */\n\nBinaryReconstructor.prototype.finishedReconstruction = function() {\n this.reconPack = null;\n this.buffers = [];\n};\n\nfunction error(msg) {\n return {\n type: exports.ERROR,\n data: 'parser error: ' + msg\n };\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/index.js\n// module id = 4\n// module chunks = 0","\r\n/**\r\n * Expose `Emitter`.\r\n */\r\n\r\nif (typeof module !== 'undefined') {\r\n module.exports = Emitter;\r\n}\r\n\r\n/**\r\n * Initialize a new `Emitter`.\r\n *\r\n * @api public\r\n */\r\n\r\nfunction Emitter(obj) {\r\n if (obj) return mixin(obj);\r\n};\r\n\r\n/**\r\n * Mixin the emitter properties.\r\n *\r\n * @param {Object} obj\r\n * @return {Object}\r\n * @api private\r\n */\r\n\r\nfunction mixin(obj) {\r\n for (var key in Emitter.prototype) {\r\n obj[key] = Emitter.prototype[key];\r\n }\r\n return obj;\r\n}\r\n\r\n/**\r\n * Listen on the given `event` with `fn`.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.on =\r\nEmitter.prototype.addEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n .push(fn);\r\n return this;\r\n};\r\n\r\n/**\r\n * Adds an `event` listener that will be invoked a single\r\n * time then automatically removed.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.once = function(event, fn){\r\n function on() {\r\n this.off(event, on);\r\n fn.apply(this, arguments);\r\n }\r\n\r\n on.fn = fn;\r\n this.on(event, on);\r\n return this;\r\n};\r\n\r\n/**\r\n * Remove the given callback for `event` or all\r\n * registered callbacks.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.off =\r\nEmitter.prototype.removeListener =\r\nEmitter.prototype.removeAllListeners =\r\nEmitter.prototype.removeEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n\r\n // all\r\n if (0 == arguments.length) {\r\n this._callbacks = {};\r\n return this;\r\n }\r\n\r\n // specific event\r\n var callbacks = this._callbacks['$' + event];\r\n if (!callbacks) return this;\r\n\r\n // remove all handlers\r\n if (1 == arguments.length) {\r\n delete this._callbacks['$' + event];\r\n return this;\r\n }\r\n\r\n // remove specific handler\r\n var cb;\r\n for (var i = 0; i < callbacks.length; i++) {\r\n cb = callbacks[i];\r\n if (cb === fn || cb.fn === fn) {\r\n callbacks.splice(i, 1);\r\n break;\r\n }\r\n }\r\n\r\n // Remove event specific arrays for event types that no\r\n // one is subscribed for to avoid memory leak.\r\n if (callbacks.length === 0) {\r\n delete this._callbacks['$' + event];\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Emit `event` with the given args.\r\n *\r\n * @param {String} event\r\n * @param {Mixed} ...\r\n * @return {Emitter}\r\n */\r\n\r\nEmitter.prototype.emit = function(event){\r\n this._callbacks = this._callbacks || {};\r\n\r\n var args = new Array(arguments.length - 1)\r\n , callbacks = this._callbacks['$' + event];\r\n\r\n for (var i = 1; i < arguments.length; i++) {\r\n args[i - 1] = arguments[i];\r\n }\r\n\r\n if (callbacks) {\r\n callbacks = callbacks.slice(0);\r\n for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n callbacks[i].apply(this, args);\r\n }\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Return array of callbacks for `event`.\r\n *\r\n * @param {String} event\r\n * @return {Array}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.listeners = function(event){\r\n this._callbacks = this._callbacks || {};\r\n return this._callbacks['$' + event] || [];\r\n};\r\n\r\n/**\r\n * Check if this emitter has `event` handlers.\r\n *\r\n * @param {String} event\r\n * @return {Boolean}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.hasListeners = function(event){\r\n return !! this.listeners(event).length;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-emitter/index.js\n// module id = 5\n// module chunks = 0","/*global Blob,File*/\n\n/**\n * Module requirements\n */\n\nvar isArray = require('isarray');\nvar isBuf = require('./is-buffer');\nvar toString = Object.prototype.toString;\nvar withNativeBlob = typeof Blob === 'function' || (typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]');\nvar withNativeFile = typeof File === 'function' || (typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]');\n\n/**\n * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.\n * Anything with blobs or files should be fed through removeBlobs before coming\n * here.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @api public\n */\n\nexports.deconstructPacket = function(packet) {\n var buffers = [];\n var packetData = packet.data;\n var pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return {packet: pack, buffers: buffers};\n};\n\nfunction _deconstructPacket(data, buffers) {\n if (!data) return data;\n\n if (isBuf(data)) {\n var placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n } else if (isArray(data)) {\n var newData = new Array(data.length);\n for (var i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n } else if (typeof data === 'object' && !(data instanceof Date)) {\n var newData = {};\n for (var key in data) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n return newData;\n }\n return data;\n}\n\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @api public\n */\n\nexports.reconstructPacket = function(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n packet.attachments = undefined; // no longer useful\n return packet;\n};\n\nfunction _reconstructPacket(data, buffers) {\n if (!data) return data;\n\n if (data && data._placeholder) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n } else if (isArray(data)) {\n for (var i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n } else if (typeof data === 'object') {\n for (var key in data) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n\n return data;\n}\n\n/**\n * Asynchronously removes Blobs or Files from data via\n * FileReader's readAsArrayBuffer method. Used before encoding\n * data as msgpack. Calls callback with the blobless data.\n *\n * @param {Object} data\n * @param {Function} callback\n * @api private\n */\n\nexports.removeBlobs = function(data, callback) {\n function _removeBlobs(obj, curKey, containingObject) {\n if (!obj) return obj;\n\n // convert any blob\n if ((withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File)) {\n pendingBlobs++;\n\n // async filereader\n var fileReader = new FileReader();\n fileReader.onload = function() { // this.result == arraybuffer\n if (containingObject) {\n containingObject[curKey] = this.result;\n }\n else {\n bloblessData = this.result;\n }\n\n // if nothing pending its callback time\n if(! --pendingBlobs) {\n callback(bloblessData);\n }\n };\n\n fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer\n } else if (isArray(obj)) { // handle array\n for (var i = 0; i < obj.length; i++) {\n _removeBlobs(obj[i], i, obj);\n }\n } else if (typeof obj === 'object' && !isBuf(obj)) { // and object\n for (var key in obj) {\n _removeBlobs(obj[key], key, obj);\n }\n }\n }\n\n var pendingBlobs = 0;\n var bloblessData = data;\n _removeBlobs(bloblessData);\n if (!pendingBlobs) {\n callback(bloblessData);\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/binary.js\n// module id = 6\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n return toString.call(arr) == '[object Array]';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/isarray/index.js\n// module id = 7\n// module chunks = 0","\nmodule.exports = isBuf;\n\nvar withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function';\nvar withNativeArrayBuffer = typeof ArrayBuffer === 'function';\n\nvar isView = function (obj) {\n return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer);\n};\n\n/**\n * Returns true if obj is a buffer or an arraybuffer.\n *\n * @api private\n */\n\nfunction isBuf(obj) {\n return (withNativeBuffer && Buffer.isBuffer(obj)) ||\n (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)));\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/is-buffer.js\n// module id = 8\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar eio = require('engine.io-client');\nvar Socket = require('./socket');\nvar Emitter = require('component-emitter');\nvar parser = require('socket.io-parser');\nvar on = require('./on');\nvar bind = require('component-bind');\nvar debug = require('debug')('socket.io-client:manager');\nvar indexOf = require('indexof');\nvar Backoff = require('backo2');\n\n/**\n * IE6+ hasOwnProperty\n */\n\nvar has = Object.prototype.hasOwnProperty;\n\n/**\n * Module exports\n */\n\nmodule.exports = Manager;\n\n/**\n * `Manager` constructor.\n *\n * @param {String} engine instance or engine uri/opts\n * @param {Object} options\n * @api public\n */\n\nfunction Manager (uri, opts) {\n if (!(this instanceof Manager)) return new Manager(uri, opts);\n if (uri && ('object' === typeof uri)) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n\n opts.path = opts.path || '/socket.io';\n this.nsps = {};\n this.subs = [];\n this.opts = opts;\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor(opts.randomizationFactor || 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor()\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this.readyState = 'closed';\n this.uri = uri;\n this.connecting = [];\n this.lastPing = null;\n this.encoding = false;\n this.packetBuffer = [];\n var _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this.autoConnect = opts.autoConnect !== false;\n if (this.autoConnect) this.open();\n}\n\n/**\n * Propagate given event to sockets and emit on `this`\n *\n * @api private\n */\n\nManager.prototype.emitAll = function () {\n this.emit.apply(this, arguments);\n for (var nsp in this.nsps) {\n if (has.call(this.nsps, nsp)) {\n this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);\n }\n }\n};\n\n/**\n * Update `socket.id` of all sockets\n *\n * @api private\n */\n\nManager.prototype.updateSocketIds = function () {\n for (var nsp in this.nsps) {\n if (has.call(this.nsps, nsp)) {\n this.nsps[nsp].id = this.generateId(nsp);\n }\n }\n};\n\n/**\n * generate `socket.id` for the given `nsp`\n *\n * @param {String} nsp\n * @return {String}\n * @api private\n */\n\nManager.prototype.generateId = function (nsp) {\n return (nsp === '/' ? '' : (nsp + '#')) + this.engine.id;\n};\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Manager.prototype);\n\n/**\n * Sets the `reconnection` config.\n *\n * @param {Boolean} true/false if it should automatically reconnect\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnection = function (v) {\n if (!arguments.length) return this._reconnection;\n this._reconnection = !!v;\n return this;\n};\n\n/**\n * Sets the reconnection attempts config.\n *\n * @param {Number} max reconnection attempts before giving up\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionAttempts = function (v) {\n if (!arguments.length) return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n};\n\n/**\n * Sets the delay between reconnections.\n *\n * @param {Number} delay\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionDelay = function (v) {\n if (!arguments.length) return this._reconnectionDelay;\n this._reconnectionDelay = v;\n this.backoff && this.backoff.setMin(v);\n return this;\n};\n\nManager.prototype.randomizationFactor = function (v) {\n if (!arguments.length) return this._randomizationFactor;\n this._randomizationFactor = v;\n this.backoff && this.backoff.setJitter(v);\n return this;\n};\n\n/**\n * Sets the maximum delay between reconnections.\n *\n * @param {Number} delay\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionDelayMax = function (v) {\n if (!arguments.length) return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n this.backoff && this.backoff.setMax(v);\n return this;\n};\n\n/**\n * Sets the connection timeout. `false` to disable\n *\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.timeout = function (v) {\n if (!arguments.length) return this._timeout;\n this._timeout = v;\n return this;\n};\n\n/**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @api private\n */\n\nManager.prototype.maybeReconnectOnOpen = function () {\n // Only try to reconnect if it's the first time we're connecting\n if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n};\n\n/**\n * Sets the current transport `socket`.\n *\n * @param {Function} optional, callback\n * @return {Manager} self\n * @api public\n */\n\nManager.prototype.open =\nManager.prototype.connect = function (fn, opts) {\n\n if (~this.readyState.indexOf('open')) return this;\n\n\n this.engine = eio(this.uri, this.opts);\n var socket = this.engine;\n var self = this;\n this.readyState = 'opening';\n this.skipReconnect = false;\n\n // emit `open`\n var openSub = on(socket, 'open', function () {\n self.onopen();\n fn && fn();\n });\n\n // emit `connect_error`\n var errorSub = on(socket, 'error', function (data) {\n\n self.cleanup();\n self.readyState = 'closed';\n self.emitAll('connect_error', data);\n if (fn) {\n var err = new Error('Connection error');\n err.data = data;\n fn(err);\n } else {\n // Only do this if there is no fn to handle the error\n self.maybeReconnectOnOpen();\n }\n });\n\n // emit `connect_timeout`\n if (false !== this._timeout) {\n var timeout = this._timeout;\n\n\n if (timeout === 0) {\n openSub.destroy(); // prevents a race condition with the 'open' event\n }\n\n // set timer\n var timer = setTimeout(function () {\n\n openSub.destroy();\n socket.close();\n socket.emit('error', 'timeout');\n self.emitAll('connect_timeout', timeout);\n }, timeout);\n\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n }\n });\n }\n\n this.subs.push(openSub);\n this.subs.push(errorSub);\n\n return this;\n};\n\n/**\n * Called upon transport open.\n *\n * @api private\n */\n\nManager.prototype.onopen = function () {\n\n\n // clear old subs\n this.cleanup();\n\n // mark as open\n this.readyState = 'open';\n this.emit('open');\n\n // add new subs\n var socket = this.engine;\n this.subs.push(on(socket, 'data', bind(this, 'ondata')));\n this.subs.push(on(socket, 'ping', bind(this, 'onping')));\n this.subs.push(on(socket, 'pong', bind(this, 'onpong')));\n this.subs.push(on(socket, 'error', bind(this, 'onerror')));\n this.subs.push(on(socket, 'close', bind(this, 'onclose')));\n this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));\n};\n\n/**\n * Called upon a ping.\n *\n * @api private\n */\n\nManager.prototype.onping = function () {\n this.lastPing = new Date();\n this.emitAll('ping');\n};\n\n/**\n * Called upon a packet.\n *\n * @api private\n */\n\nManager.prototype.onpong = function () {\n this.emitAll('pong', new Date() - this.lastPing);\n};\n\n/**\n * Called with data.\n *\n * @api private\n */\n\nManager.prototype.ondata = function (data) {\n this.decoder.add(data);\n};\n\n/**\n * Called when parser fully decodes a packet.\n *\n * @api private\n */\n\nManager.prototype.ondecoded = function (packet) {\n this.emit('packet', packet);\n};\n\n/**\n * Called upon socket error.\n *\n * @api private\n */\n\nManager.prototype.onerror = function (err) {\n\n this.emitAll('error', err);\n};\n\n/**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @api public\n */\n\nManager.prototype.socket = function (nsp, opts) {\n var socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n var self = this;\n socket.on('connecting', onConnecting);\n socket.on('connect', function () {\n socket.id = self.generateId(nsp);\n });\n\n if (this.autoConnect) {\n // manually call here since connecting event is fired before listening\n onConnecting();\n }\n }\n\n function onConnecting () {\n if (!~indexOf(self.connecting, socket)) {\n self.connecting.push(socket);\n }\n }\n\n return socket;\n};\n\n/**\n * Called upon a socket close.\n *\n * @param {Socket} socket\n */\n\nManager.prototype.destroy = function (socket) {\n var index = indexOf(this.connecting, socket);\n if (~index) this.connecting.splice(index, 1);\n if (this.connecting.length) return;\n\n this.close();\n};\n\n/**\n * Writes a packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nManager.prototype.packet = function (packet) {\n\n var self = this;\n if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;\n\n if (!self.encoding) {\n // encode, then write to engine with result\n self.encoding = true;\n this.encoder.encode(packet, function (encodedPackets) {\n for (var i = 0; i < encodedPackets.length; i++) {\n self.engine.write(encodedPackets[i], packet.options);\n }\n self.encoding = false;\n self.processPacketQueue();\n });\n } else { // add packet to the queue\n self.packetBuffer.push(packet);\n }\n};\n\n/**\n * If packet buffer is non-empty, begins encoding the\n * next packet in line.\n *\n * @api private\n */\n\nManager.prototype.processPacketQueue = function () {\n if (this.packetBuffer.length > 0 && !this.encoding) {\n var pack = this.packetBuffer.shift();\n this.packet(pack);\n }\n};\n\n/**\n * Clean up transport subscriptions and packet buffer.\n *\n * @api private\n */\n\nManager.prototype.cleanup = function () {\n\n\n var subsLength = this.subs.length;\n for (var i = 0; i < subsLength; i++) {\n var sub = this.subs.shift();\n sub.destroy();\n }\n\n this.packetBuffer = [];\n this.encoding = false;\n this.lastPing = null;\n\n this.decoder.destroy();\n};\n\n/**\n * Close the current socket.\n *\n * @api private\n */\n\nManager.prototype.close =\nManager.prototype.disconnect = function () {\n\n this.skipReconnect = true;\n this.reconnecting = false;\n if ('opening' === this.readyState) {\n // `onclose` will not fire because\n // an open event never happened\n this.cleanup();\n }\n this.backoff.reset();\n this.readyState = 'closed';\n if (this.engine) this.engine.close();\n};\n\n/**\n * Called upon engine close.\n *\n * @api private\n */\n\nManager.prototype.onclose = function (reason) {\n\n\n this.cleanup();\n this.backoff.reset();\n this.readyState = 'closed';\n this.emit('close', reason);\n\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n};\n\n/**\n * Attempt a reconnection.\n *\n * @api private\n */\n\nManager.prototype.reconnect = function () {\n if (this.reconnecting || this.skipReconnect) return this;\n\n var self = this;\n\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n\n this.backoff.reset();\n this.emitAll('reconnect_failed');\n this.reconnecting = false;\n } else {\n var delay = this.backoff.duration();\n\n\n this.reconnecting = true;\n var timer = setTimeout(function () {\n if (self.skipReconnect) return;\n\n\n self.emitAll('reconnect_attempt', self.backoff.attempts);\n self.emitAll('reconnecting', self.backoff.attempts);\n\n // check again for the case socket closed in above events\n if (self.skipReconnect) return;\n\n self.open(function (err) {\n if (err) {\n\n self.reconnecting = false;\n self.reconnect();\n self.emitAll('reconnect_error', err.data);\n } else {\n\n self.onreconnect();\n }\n });\n }, delay);\n\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n }\n });\n }\n};\n\n/**\n * Called upon successful reconnect.\n *\n * @api private\n */\n\nManager.prototype.onreconnect = function () {\n var attempt = this.backoff.attempts;\n this.reconnecting = false;\n this.backoff.reset();\n this.updateSocketIds();\n this.emitAll('reconnect', attempt);\n};\n\n\n\n// WEBPACK FOOTER //\n// ./lib/manager.js","\nmodule.exports = require('./socket');\n\n/**\n * Exports parser\n *\n * @api public\n *\n */\nmodule.exports.parser = require('engine.io-parser');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/index.js\n// module id = 10\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar transports = require('./transports/index');\nvar Emitter = require('component-emitter');\nvar debug = require('debug')('engine.io-client:socket');\nvar index = require('indexof');\nvar parser = require('engine.io-parser');\nvar parseuri = require('parseuri');\nvar parseqs = require('parseqs');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Socket;\n\n/**\n * Socket constructor.\n *\n * @param {String|Object} uri or options\n * @param {Object} options\n * @api public\n */\n\nfunction Socket (uri, opts) {\n if (!(this instanceof Socket)) return new Socket(uri, opts);\n\n opts = opts || {};\n\n if (uri && 'object' === typeof uri) {\n opts = uri;\n uri = null;\n }\n\n if (uri) {\n uri = parseuri(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n opts.port = uri.port;\n if (uri.query) opts.query = uri.query;\n } else if (opts.host) {\n opts.hostname = parseuri(opts.host).host;\n }\n\n this.secure = null != opts.secure ? opts.secure\n : (typeof location !== 'undefined' && 'https:' === location.protocol);\n\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? '443' : '80';\n }\n\n this.agent = opts.agent || false;\n this.hostname = opts.hostname ||\n (typeof location !== 'undefined' ? location.hostname : 'localhost');\n this.port = opts.port || (typeof location !== 'undefined' && location.port\n ? location.port\n : (this.secure ? 443 : 80));\n this.query = opts.query || {};\n if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n this.upgrade = false !== opts.upgrade;\n this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n this.forceJSONP = !!opts.forceJSONP;\n this.jsonp = false !== opts.jsonp;\n this.forceBase64 = !!opts.forceBase64;\n this.enablesXDR = !!opts.enablesXDR;\n this.withCredentials = false !== opts.withCredentials;\n this.timestampParam = opts.timestampParam || 't';\n this.timestampRequests = opts.timestampRequests;\n this.transports = opts.transports || ['polling', 'websocket'];\n this.transportOptions = opts.transportOptions || {};\n this.readyState = '';\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.policyPort = opts.policyPort || 843;\n this.rememberUpgrade = opts.rememberUpgrade || false;\n this.binaryType = null;\n this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\n if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n this.perMessageDeflate.threshold = 1024;\n }\n\n // SSL options for Node.js client\n this.pfx = opts.pfx || null;\n this.key = opts.key || null;\n this.passphrase = opts.passphrase || null;\n this.cert = opts.cert || null;\n this.ca = opts.ca || null;\n this.ciphers = opts.ciphers || null;\n this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n this.forceNode = !!opts.forceNode;\n\n // detect ReactNative environment\n this.isReactNative = (typeof navigator !== 'undefined' && typeof navigator.product === 'string' && navigator.product.toLowerCase() === 'reactnative');\n\n // other options for Node.js or ReactNative client\n if (typeof self === 'undefined' || this.isReactNative) {\n if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n this.extraHeaders = opts.extraHeaders;\n }\n\n if (opts.localAddress) {\n this.localAddress = opts.localAddress;\n }\n }\n\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n\n // set on heartbeat\n this.pingIntervalTimer = null;\n this.pingTimeoutTimer = null;\n\n this.open();\n}\n\nSocket.priorWebsocketSuccess = false;\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nSocket.protocol = parser.protocol; // this is an int\n\n/**\n * Expose deps for legacy compatibility\n * and standalone browser access.\n */\n\nSocket.Socket = Socket;\nSocket.Transport = require('./transport');\nSocket.transports = require('./transports/index');\nSocket.parser = require('engine.io-parser');\n\n/**\n * Creates transport of the given type.\n *\n * @param {String} transport name\n * @return {Transport}\n * @api private\n */\n\nSocket.prototype.createTransport = function (name) {\n\n var query = clone(this.query);\n\n // append engine.io protocol identifier\n query.EIO = parser.protocol;\n\n // transport name\n query.transport = name;\n\n // per-transport options\n var options = this.transportOptions[name] || {};\n\n // session id if we already have one\n if (this.id) query.sid = this.id;\n\n var transport = new transports[name]({\n query: query,\n socket: this,\n agent: options.agent || this.agent,\n hostname: options.hostname || this.hostname,\n port: options.port || this.port,\n secure: options.secure || this.secure,\n path: options.path || this.path,\n forceJSONP: options.forceJSONP || this.forceJSONP,\n jsonp: options.jsonp || this.jsonp,\n forceBase64: options.forceBase64 || this.forceBase64,\n enablesXDR: options.enablesXDR || this.enablesXDR,\n withCredentials: options.withCredentials || this.withCredentials,\n timestampRequests: options.timestampRequests || this.timestampRequests,\n timestampParam: options.timestampParam || this.timestampParam,\n policyPort: options.policyPort || this.policyPort,\n pfx: options.pfx || this.pfx,\n key: options.key || this.key,\n passphrase: options.passphrase || this.passphrase,\n cert: options.cert || this.cert,\n ca: options.ca || this.ca,\n ciphers: options.ciphers || this.ciphers,\n rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n extraHeaders: options.extraHeaders || this.extraHeaders,\n forceNode: options.forceNode || this.forceNode,\n localAddress: options.localAddress || this.localAddress,\n requestTimeout: options.requestTimeout || this.requestTimeout,\n protocols: options.protocols || void (0),\n isReactNative: this.isReactNative\n });\n\n return transport;\n};\n\nfunction clone (obj) {\n var o = {};\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n o[i] = obj[i];\n }\n }\n return o;\n}\n\n/**\n * Initializes transport to use and starts probe.\n *\n * @api private\n */\nSocket.prototype.open = function () {\n var transport;\n if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n transport = 'websocket';\n } else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n var self = this;\n setTimeout(function () {\n self.emit('error', 'No transports available');\n }, 0);\n return;\n } else {\n transport = this.transports[0];\n }\n this.readyState = 'opening';\n\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n } catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n\n transport.open();\n this.setTransport(transport);\n};\n\n/**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @api private\n */\n\nSocket.prototype.setTransport = function (transport) {\n\n var self = this;\n\n if (this.transport) {\n\n this.transport.removeAllListeners();\n }\n\n // set up transport\n this.transport = transport;\n\n // set up transport listeners\n transport\n .on('drain', function () {\n self.onDrain();\n })\n .on('packet', function (packet) {\n self.onPacket(packet);\n })\n .on('error', function (e) {\n self.onError(e);\n })\n .on('close', function () {\n self.onClose('transport close');\n });\n};\n\n/**\n * Probes a transport.\n *\n * @param {String} transport name\n * @api private\n */\n\nSocket.prototype.probe = function (name) {\n\n var transport = this.createTransport(name, { probe: 1 });\n var failed = false;\n var self = this;\n\n Socket.priorWebsocketSuccess = false;\n\n function onTransportOpen () {\n if (self.onlyBinaryUpgrades) {\n var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n failed = failed || upgradeLosesBinary;\n }\n if (failed) return;\n\n\n transport.send([{ type: 'ping', data: 'probe' }]);\n transport.once('packet', function (msg) {\n if (failed) return;\n if ('pong' === msg.type && 'probe' === msg.data) {\n\n self.upgrading = true;\n self.emit('upgrading', transport);\n if (!transport) return;\n Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\n\n self.transport.pause(function () {\n if (failed) return;\n if ('closed' === self.readyState) return;\n\n\n cleanup();\n\n self.setTransport(transport);\n transport.send([{ type: 'upgrade' }]);\n self.emit('upgrade', transport);\n transport = null;\n self.upgrading = false;\n self.flush();\n });\n } else {\n\n var err = new Error('probe error');\n err.transport = transport.name;\n self.emit('upgradeError', err);\n }\n });\n }\n\n function freezeTransport () {\n if (failed) return;\n\n // Any callback called by transport should be ignored since now\n failed = true;\n\n cleanup();\n\n transport.close();\n transport = null;\n }\n\n // Handle any error that happens while probing\n function onerror (err) {\n var error = new Error('probe error: ' + err);\n error.transport = transport.name;\n\n freezeTransport();\n\n\n\n self.emit('upgradeError', error);\n }\n\n function onTransportClose () {\n onerror('transport closed');\n }\n\n // When the socket is closed while we're probing\n function onclose () {\n onerror('socket closed');\n }\n\n // When the socket is upgraded while we're probing\n function onupgrade (to) {\n if (transport && to.name !== transport.name) {\n\n freezeTransport();\n }\n }\n\n // Remove all listeners on the transport and on self\n function cleanup () {\n transport.removeListener('open', onTransportOpen);\n transport.removeListener('error', onerror);\n transport.removeListener('close', onTransportClose);\n self.removeListener('close', onclose);\n self.removeListener('upgrading', onupgrade);\n }\n\n transport.once('open', onTransportOpen);\n transport.once('error', onerror);\n transport.once('close', onTransportClose);\n\n this.once('close', onclose);\n this.once('upgrading', onupgrade);\n\n transport.open();\n};\n\n/**\n * Called when connection is deemed open.\n *\n * @api public\n */\n\nSocket.prototype.onOpen = function () {\n\n this.readyState = 'open';\n Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n this.emit('open');\n this.flush();\n\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n\n for (var i = 0, l = this.upgrades.length; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n};\n\n/**\n * Handles a packet.\n *\n * @api private\n */\n\nSocket.prototype.onPacket = function (packet) {\n if ('opening' === this.readyState || 'open' === this.readyState ||\n 'closing' === this.readyState) {\n\n\n this.emit('packet', packet);\n\n // Socket is live - any packet counts\n this.emit('heartbeat');\n\n switch (packet.type) {\n case 'open':\n this.onHandshake(JSON.parse(packet.data));\n break;\n\n case 'pong':\n this.setPing();\n this.emit('pong');\n break;\n\n case 'error':\n var err = new Error('server error');\n err.code = packet.data;\n this.onError(err);\n break;\n\n case 'message':\n this.emit('data', packet.data);\n this.emit('message', packet.data);\n break;\n }\n } else {\n\n }\n};\n\n/**\n * Called upon handshake completion.\n *\n * @param {Object} handshake obj\n * @api private\n */\n\nSocket.prototype.onHandshake = function (data) {\n this.emit('handshake', data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.onOpen();\n // In case open handler closes socket\n if ('closed' === this.readyState) return;\n this.setPing();\n\n // Prolong liveness of socket on heartbeat\n this.removeListener('heartbeat', this.onHeartbeat);\n this.on('heartbeat', this.onHeartbeat);\n};\n\n/**\n * Resets ping timeout.\n *\n * @api private\n */\n\nSocket.prototype.onHeartbeat = function (timeout) {\n clearTimeout(this.pingTimeoutTimer);\n var self = this;\n self.pingTimeoutTimer = setTimeout(function () {\n if ('closed' === self.readyState) return;\n self.onClose('ping timeout');\n }, timeout || (self.pingInterval + self.pingTimeout));\n};\n\n/**\n * Pings server every `this.pingInterval` and expects response\n * within `this.pingTimeout` or closes connection.\n *\n * @api private\n */\n\nSocket.prototype.setPing = function () {\n var self = this;\n clearTimeout(self.pingIntervalTimer);\n self.pingIntervalTimer = setTimeout(function () {\n\n self.ping();\n self.onHeartbeat(self.pingTimeout);\n }, self.pingInterval);\n};\n\n/**\n* Sends a ping packet.\n*\n* @api private\n*/\n\nSocket.prototype.ping = function () {\n var self = this;\n this.sendPacket('ping', function () {\n self.emit('ping');\n });\n};\n\n/**\n * Called on `drain` event\n *\n * @api private\n */\n\nSocket.prototype.onDrain = function () {\n this.writeBuffer.splice(0, this.prevBufferLen);\n\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n\n if (0 === this.writeBuffer.length) {\n this.emit('drain');\n } else {\n this.flush();\n }\n};\n\n/**\n * Flush write buffers.\n *\n * @api private\n */\n\nSocket.prototype.flush = function () {\n if ('closed' !== this.readyState && this.transport.writable &&\n !this.upgrading && this.writeBuffer.length) {\n\n this.transport.send(this.writeBuffer);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = this.writeBuffer.length;\n this.emit('flush');\n }\n};\n\n/**\n * Sends a message.\n *\n * @param {String} message.\n * @param {Function} callback function.\n * @param {Object} options.\n * @return {Socket} for chaining.\n * @api public\n */\n\nSocket.prototype.write =\nSocket.prototype.send = function (msg, options, fn) {\n this.sendPacket('message', msg, options, fn);\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {String} packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} callback function.\n * @api private\n */\n\nSocket.prototype.sendPacket = function (type, data, options, fn) {\n if ('function' === typeof data) {\n fn = data;\n data = undefined;\n }\n\n if ('function' === typeof options) {\n fn = options;\n options = null;\n }\n\n if ('closing' === this.readyState || 'closed' === this.readyState) {\n return;\n }\n\n options = options || {};\n options.compress = false !== options.compress;\n\n var packet = {\n type: type,\n data: data,\n options: options\n };\n this.emit('packetCreate', packet);\n this.writeBuffer.push(packet);\n if (fn) this.once('flush', fn);\n this.flush();\n};\n\n/**\n * Closes the connection.\n *\n * @api private\n */\n\nSocket.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.readyState = 'closing';\n\n var self = this;\n\n if (this.writeBuffer.length) {\n this.once('drain', function () {\n if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n });\n } else if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n }\n\n function close () {\n self.onClose('forced close');\n\n self.transport.close();\n }\n\n function cleanupAndClose () {\n self.removeListener('upgrade', cleanupAndClose);\n self.removeListener('upgradeError', cleanupAndClose);\n close();\n }\n\n function waitForUpgrade () {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n self.once('upgrade', cleanupAndClose);\n self.once('upgradeError', cleanupAndClose);\n }\n\n return this;\n};\n\n/**\n * Called upon transport error\n *\n * @api private\n */\n\nSocket.prototype.onError = function (err) {\n\n Socket.priorWebsocketSuccess = false;\n this.emit('error', err);\n this.onClose('transport error', err);\n};\n\n/**\n * Called upon transport close.\n *\n * @api private\n */\n\nSocket.prototype.onClose = function (reason, desc) {\n if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n\n var self = this;\n\n // clear timers\n clearTimeout(this.pingIntervalTimer);\n clearTimeout(this.pingTimeoutTimer);\n\n // stop event from firing again for transport\n this.transport.removeAllListeners('close');\n\n // ensure transport won't stay open\n this.transport.close();\n\n // ignore further transport communication\n this.transport.removeAllListeners();\n\n // set ready state\n this.readyState = 'closed';\n\n // clear session id\n this.id = null;\n\n // emit close event\n this.emit('close', reason, desc);\n\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n self.writeBuffer = [];\n self.prevBufferLen = 0;\n }\n};\n\n/**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} server upgrades\n * @api private\n *\n */\n\nSocket.prototype.filterUpgrades = function (upgrades) {\n var filteredUpgrades = [];\n for (var i = 0, j = upgrades.length; i < j; i++) {\n if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/socket.js\n// module id = 11\n// module chunks = 0","/**\n * Module dependencies\n */\n\nvar XMLHttpRequest = require('xmlhttprequest-ssl');\nvar XHR = require('./polling-xhr');\nvar JSONP = require('./polling-jsonp');\nvar websocket = require('./websocket');\n\n/**\n * Export transports.\n */\n\nexports.polling = polling;\nexports.websocket = websocket;\n\n/**\n * Polling transport polymorphic constructor.\n * Decides on xhr vs jsonp based on feature detection.\n *\n * @api private\n */\n\nfunction polling (opts) {\n var xhr;\n var xd = false;\n var xs = false;\n var jsonp = false !== opts.jsonp;\n\n if (typeof location !== 'undefined') {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n xd = opts.hostname !== location.hostname || port !== opts.port;\n xs = opts.secure !== isSSL;\n }\n\n opts.xdomain = xd;\n opts.xscheme = xs;\n xhr = new XMLHttpRequest(opts);\n\n if ('open' in xhr && !opts.forceJSONP) {\n return new XHR(opts);\n } else {\n if (!jsonp) throw new Error('JSONP disabled');\n return new JSONP(opts);\n }\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/index.js\n// module id = 12\n// module chunks = 0","// browser shim for xmlhttprequest module\n\nvar hasCORS = require('has-cors');\nvar globalThis = require('./globalThis');\n\nmodule.exports = function (opts) {\n var xdomain = opts.xdomain;\n\n // scheme must be same when usign XDomainRequest\n // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n var xscheme = opts.xscheme;\n\n // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n // https://github.com/Automattic/engine.io-client/pull/217\n var enablesXDR = opts.enablesXDR;\n\n // XMLHttpRequest can be disabled on IE\n try {\n if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n } catch (e) { }\n\n // Use XDomainRequest for IE8 if enablesXDR is true\n // because loading bar keeps flashing when using jsonp-polling\n // https://github.com/yujiosaka/socke.io-ie8-loading-example\n try {\n if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n return new XDomainRequest();\n }\n } catch (e) { }\n\n if (!xdomain) {\n try {\n return new globalThis[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n } catch (e) { }\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/xmlhttprequest.js\n// module id = 13\n// module chunks = 0","\n/**\n * Module exports.\n *\n * Logic borrowed from Modernizr:\n *\n * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n */\n\ntry {\n module.exports = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n} catch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n module.exports = false;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/has-cors/index.js\n// module id = 14\n// module chunks = 0","module.exports = (function () {\n if (typeof self !== 'undefined') {\n return self;\n } else if (typeof window !== 'undefined') {\n return window;\n } else {\n return Function('return this')(); // eslint-disable-line no-new-func\n }\n})();\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/globalThis.browser.js\n// module id = 15\n// module chunks = 0","/* global attachEvent */\n\n/**\n * Module requirements.\n */\n\nvar XMLHttpRequest = require('xmlhttprequest-ssl');\nvar Polling = require('./polling');\nvar Emitter = require('component-emitter');\nvar inherit = require('component-inherit');\nvar debug = require('debug')('engine.io-client:polling-xhr');\nvar globalThis = require('../globalThis');\n\n/**\n * Module exports.\n */\n\nmodule.exports = XHR;\nmodule.exports.Request = Request;\n\n/**\n * Empty function\n */\n\nfunction empty () {}\n\n/**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction XHR (opts) {\n Polling.call(this, opts);\n this.requestTimeout = opts.requestTimeout;\n this.extraHeaders = opts.extraHeaders;\n\n if (typeof location !== 'undefined') {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n this.xd = (typeof location !== 'undefined' && opts.hostname !== location.hostname) ||\n port !== opts.port;\n this.xs = opts.secure !== isSSL;\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(XHR, Polling);\n\n/**\n * XHR supports binary\n */\n\nXHR.prototype.supportsBinary = true;\n\n/**\n * Creates a request.\n *\n * @param {String} method\n * @api private\n */\n\nXHR.prototype.request = function (opts) {\n opts = opts || {};\n opts.uri = this.uri();\n opts.xd = this.xd;\n opts.xs = this.xs;\n opts.agent = this.agent || false;\n opts.supportsBinary = this.supportsBinary;\n opts.enablesXDR = this.enablesXDR;\n opts.withCredentials = this.withCredentials;\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n opts.requestTimeout = this.requestTimeout;\n\n // other options for Node.js client\n opts.extraHeaders = this.extraHeaders;\n\n return new Request(opts);\n};\n\n/**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @api private\n */\n\nXHR.prototype.doWrite = function (data, fn) {\n var isBinary = typeof data !== 'string' && data !== undefined;\n var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n var self = this;\n req.on('success', fn);\n req.on('error', function (err) {\n self.onError('xhr post error', err);\n });\n this.sendXhr = req;\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nXHR.prototype.doPoll = function () {\n\n var req = this.request();\n var self = this;\n req.on('data', function (data) {\n self.onData(data);\n });\n req.on('error', function (err) {\n self.onError('xhr poll error', err);\n });\n this.pollXhr = req;\n};\n\n/**\n * Request constructor\n *\n * @param {Object} options\n * @api public\n */\n\nfunction Request (opts) {\n this.method = opts.method || 'GET';\n this.uri = opts.uri;\n this.xd = !!opts.xd;\n this.xs = !!opts.xs;\n this.async = false !== opts.async;\n this.data = undefined !== opts.data ? opts.data : null;\n this.agent = opts.agent;\n this.isBinary = opts.isBinary;\n this.supportsBinary = opts.supportsBinary;\n this.enablesXDR = opts.enablesXDR;\n this.withCredentials = opts.withCredentials;\n this.requestTimeout = opts.requestTimeout;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n\n this.create();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Request.prototype);\n\n/**\n * Creates the XHR object and sends the request.\n *\n * @api private\n */\n\nRequest.prototype.create = function () {\n var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n\n var xhr = this.xhr = new XMLHttpRequest(opts);\n var self = this;\n\n try {\n\n xhr.open(this.method, this.uri, this.async);\n try {\n if (this.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (var i in this.extraHeaders) {\n if (this.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.extraHeaders[i]);\n }\n }\n }\n } catch (e) {}\n\n if ('POST' === this.method) {\n try {\n if (this.isBinary) {\n xhr.setRequestHeader('Content-type', 'application/octet-stream');\n } else {\n xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n }\n } catch (e) {}\n }\n\n try {\n xhr.setRequestHeader('Accept', '*/*');\n } catch (e) {}\n\n // ie6 check\n if ('withCredentials' in xhr) {\n xhr.withCredentials = this.withCredentials;\n }\n\n if (this.requestTimeout) {\n xhr.timeout = this.requestTimeout;\n }\n\n if (this.hasXDR()) {\n xhr.onload = function () {\n self.onLoad();\n };\n xhr.onerror = function () {\n self.onError(xhr.responseText);\n };\n } else {\n xhr.onreadystatechange = function () {\n if (xhr.readyState === 2) {\n try {\n var contentType = xhr.getResponseHeader('Content-Type');\n if (self.supportsBinary && contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {\n xhr.responseType = 'arraybuffer';\n }\n } catch (e) {}\n }\n if (4 !== xhr.readyState) return;\n if (200 === xhr.status || 1223 === xhr.status) {\n self.onLoad();\n } else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n setTimeout(function () {\n self.onError(typeof xhr.status === 'number' ? xhr.status : 0);\n }, 0);\n }\n };\n }\n\n\n xhr.send(this.data);\n } catch (e) {\n // Need to defer since .create() is called directly fhrom the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n setTimeout(function () {\n self.onError(e);\n }, 0);\n return;\n }\n\n if (typeof document !== 'undefined') {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n};\n\n/**\n * Called upon successful response.\n *\n * @api private\n */\n\nRequest.prototype.onSuccess = function () {\n this.emit('success');\n this.cleanup();\n};\n\n/**\n * Called if we have data.\n *\n * @api private\n */\n\nRequest.prototype.onData = function (data) {\n this.emit('data', data);\n this.onSuccess();\n};\n\n/**\n * Called upon error.\n *\n * @api private\n */\n\nRequest.prototype.onError = function (err) {\n this.emit('error', err);\n this.cleanup(true);\n};\n\n/**\n * Cleans up house.\n *\n * @api private\n */\n\nRequest.prototype.cleanup = function (fromError) {\n if ('undefined' === typeof this.xhr || null === this.xhr) {\n return;\n }\n // xmlhttprequest\n if (this.hasXDR()) {\n this.xhr.onload = this.xhr.onerror = empty;\n } else {\n this.xhr.onreadystatechange = empty;\n }\n\n if (fromError) {\n try {\n this.xhr.abort();\n } catch (e) {}\n }\n\n if (typeof document !== 'undefined') {\n delete Request.requests[this.index];\n }\n\n this.xhr = null;\n};\n\n/**\n * Called upon load.\n *\n * @api private\n */\n\nRequest.prototype.onLoad = function () {\n var data;\n try {\n var contentType;\n try {\n contentType = this.xhr.getResponseHeader('Content-Type');\n } catch (e) {}\n if (contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {\n data = this.xhr.response || this.xhr.responseText;\n } else {\n data = this.xhr.responseText;\n }\n } catch (e) {\n this.onError(e);\n }\n if (null != data) {\n this.onData(data);\n }\n};\n\n/**\n * Check if it has XDomainRequest.\n *\n * @api private\n */\n\nRequest.prototype.hasXDR = function () {\n return typeof XDomainRequest !== 'undefined' && !this.xs && this.enablesXDR;\n};\n\n/**\n * Aborts the request.\n *\n * @api public\n */\n\nRequest.prototype.abort = function () {\n this.cleanup();\n};\n\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\n\nRequest.requestsCount = 0;\nRequest.requests = {};\n\nif (typeof document !== 'undefined') {\n if (typeof attachEvent === 'function') {\n attachEvent('onunload', unloadHandler);\n } else if (typeof addEventListener === 'function') {\n var terminationEvent = 'onpagehide' in globalThis ? 'pagehide' : 'unload';\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\n\nfunction unloadHandler () {\n for (var i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling-xhr.js\n// module id = 16\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar Transport = require('../transport');\nvar parseqs = require('parseqs');\nvar parser = require('engine.io-parser');\nvar inherit = require('component-inherit');\nvar yeast = require('yeast');\nvar debug = require('debug')('engine.io-client:polling');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Polling;\n\n/**\n * Is XHR2 supported?\n */\n\nvar hasXHR2 = (function () {\n var XMLHttpRequest = require('xmlhttprequest-ssl');\n var xhr = new XMLHttpRequest({ xdomain: false });\n return null != xhr.responseType;\n})();\n\n/**\n * Polling interface.\n *\n * @param {Object} opts\n * @api private\n */\n\nfunction Polling (opts) {\n var forceBase64 = (opts && opts.forceBase64);\n if (!hasXHR2 || forceBase64) {\n this.supportsBinary = false;\n }\n Transport.call(this, opts);\n}\n\n/**\n * Inherits from Transport.\n */\n\ninherit(Polling, Transport);\n\n/**\n * Transport name.\n */\n\nPolling.prototype.name = 'polling';\n\n/**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @api private\n */\n\nPolling.prototype.doOpen = function () {\n this.poll();\n};\n\n/**\n * Pauses polling.\n *\n * @param {Function} callback upon buffers are flushed and transport is paused\n * @api private\n */\n\nPolling.prototype.pause = function (onPause) {\n var self = this;\n\n this.readyState = 'pausing';\n\n function pause () {\n\n self.readyState = 'paused';\n onPause();\n }\n\n if (this.polling || !this.writable) {\n var total = 0;\n\n if (this.polling) {\n\n total++;\n this.once('pollComplete', function () {\n\n --total || pause();\n });\n }\n\n if (!this.writable) {\n\n total++;\n this.once('drain', function () {\n\n --total || pause();\n });\n }\n } else {\n pause();\n }\n};\n\n/**\n * Starts polling cycle.\n *\n * @api public\n */\n\nPolling.prototype.poll = function () {\n\n this.polling = true;\n this.doPoll();\n this.emit('poll');\n};\n\n/**\n * Overloads onData to detect payloads.\n *\n * @api private\n */\n\nPolling.prototype.onData = function (data) {\n var self = this;\n\n var callback = function (packet, index, total) {\n // if its the first message we consider the transport open\n if ('opening' === self.readyState) {\n self.onOpen();\n }\n\n // if its a close packet, we close the ongoing requests\n if ('close' === packet.type) {\n self.onClose();\n return false;\n }\n\n // otherwise bypass onData and handle the message\n self.onPacket(packet);\n };\n\n // decode payload\n parser.decodePayload(data, this.socket.binaryType, callback);\n\n // if an event did not trigger closing\n if ('closed' !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emit('pollComplete');\n\n if ('open' === this.readyState) {\n this.poll();\n } else {\n\n }\n }\n};\n\n/**\n * For polling, send a close packet.\n *\n * @api private\n */\n\nPolling.prototype.doClose = function () {\n var self = this;\n\n function close () {\n\n self.write([{ type: 'close' }]);\n }\n\n if ('open' === this.readyState) {\n\n close();\n } else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n\n this.once('open', close);\n }\n};\n\n/**\n * Writes a packets payload.\n *\n * @param {Array} data packets\n * @param {Function} drain callback\n * @api private\n */\n\nPolling.prototype.write = function (packets) {\n var self = this;\n this.writable = false;\n var callbackfn = function () {\n self.writable = true;\n self.emit('drain');\n };\n\n parser.encodePayload(packets, this.supportsBinary, function (data) {\n self.doWrite(data, callbackfn);\n });\n};\n\n/**\n * Generates uri for connection.\n *\n * @api private\n */\n\nPolling.prototype.uri = function () {\n var query = this.query || {};\n var schema = this.secure ? 'https' : 'http';\n var port = '';\n\n // cache busting is forced\n if (false !== this.timestampRequests) {\n query[this.timestampParam] = yeast();\n }\n\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // avoid port if default for schema\n if (this.port && (('https' === schema && Number(this.port) !== 443) ||\n ('http' === schema && Number(this.port) !== 80))) {\n port = ':' + this.port;\n }\n\n // prepend ? to query\n if (query.length) {\n query = '?' + query;\n }\n\n var ipv6 = this.hostname.indexOf(':') !== -1;\n return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling.js\n// module id = 17\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar parser = require('engine.io-parser');\nvar Emitter = require('component-emitter');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Transport;\n\n/**\n * Transport abstract constructor.\n *\n * @param {Object} options.\n * @api private\n */\n\nfunction Transport (opts) {\n this.path = opts.path;\n this.hostname = opts.hostname;\n this.port = opts.port;\n this.secure = opts.secure;\n this.query = opts.query;\n this.timestampParam = opts.timestampParam;\n this.timestampRequests = opts.timestampRequests;\n this.readyState = '';\n this.agent = opts.agent || false;\n this.socket = opts.socket;\n this.enablesXDR = opts.enablesXDR;\n this.withCredentials = opts.withCredentials;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n this.forceNode = opts.forceNode;\n\n // results of ReactNative environment detection\n this.isReactNative = opts.isReactNative;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n this.localAddress = opts.localAddress;\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Transport.prototype);\n\n/**\n * Emits an error.\n *\n * @param {String} str\n * @return {Transport} for chaining\n * @api public\n */\n\nTransport.prototype.onError = function (msg, desc) {\n var err = new Error(msg);\n err.type = 'TransportError';\n err.description = desc;\n this.emit('error', err);\n return this;\n};\n\n/**\n * Opens the transport.\n *\n * @api public\n */\n\nTransport.prototype.open = function () {\n if ('closed' === this.readyState || '' === this.readyState) {\n this.readyState = 'opening';\n this.doOpen();\n }\n\n return this;\n};\n\n/**\n * Closes the transport.\n *\n * @api private\n */\n\nTransport.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.doClose();\n this.onClose();\n }\n\n return this;\n};\n\n/**\n * Sends multiple packets.\n *\n * @param {Array} packets\n * @api private\n */\n\nTransport.prototype.send = function (packets) {\n if ('open' === this.readyState) {\n this.write(packets);\n } else {\n throw new Error('Transport not open');\n }\n};\n\n/**\n * Called upon open\n *\n * @api private\n */\n\nTransport.prototype.onOpen = function () {\n this.readyState = 'open';\n this.writable = true;\n this.emit('open');\n};\n\n/**\n * Called with data.\n *\n * @param {String} data\n * @api private\n */\n\nTransport.prototype.onData = function (data) {\n var packet = parser.decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n};\n\n/**\n * Called with a decoded packet.\n */\n\nTransport.prototype.onPacket = function (packet) {\n this.emit('packet', packet);\n};\n\n/**\n * Called upon close.\n *\n * @api private\n */\n\nTransport.prototype.onClose = function () {\n this.readyState = 'closed';\n this.emit('close');\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transport.js\n// module id = 18\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar keys = require('./keys');\nvar hasBinary = require('has-binary2');\nvar sliceBuffer = require('arraybuffer.slice');\nvar after = require('after');\nvar utf8 = require('./utf8');\n\nvar base64encoder;\nif (typeof ArrayBuffer !== 'undefined') {\n base64encoder = require('base64-arraybuffer');\n}\n\n/**\n * Check if we are running an android browser. That requires us to use\n * ArrayBuffer with polling transports...\n *\n * http://ghinda.net/jpeg-blob-ajax-android/\n */\n\nvar isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);\n\n/**\n * Check if we are running in PhantomJS.\n * Uploading a Blob with PhantomJS does not work correctly, as reported here:\n * https://github.com/ariya/phantomjs/issues/11395\n * @type boolean\n */\nvar isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);\n\n/**\n * When true, avoids using Blobs to encode payloads.\n * @type boolean\n */\nvar dontSendBlobs = isAndroid || isPhantomJS;\n\n/**\n * Current protocol version.\n */\n\nexports.protocol = 3;\n\n/**\n * Packet types.\n */\n\nvar packets = exports.packets = {\n open: 0 // non-ws\n , close: 1 // non-ws\n , ping: 2\n , pong: 3\n , message: 4\n , upgrade: 5\n , noop: 6\n};\n\nvar packetslist = keys(packets);\n\n/**\n * Premade error packet.\n */\n\nvar err = { type: 'error', data: 'parser error' };\n\n/**\n * Create a blob api even for blob builder when vendor prefixes exist\n */\n\nvar Blob = require('blob');\n\n/**\n * Encodes a packet.\n *\n * <packet type id> [ <data> ]\n *\n * Example:\n *\n * 5hello world\n * 3\n * 4\n *\n * Binary is encoded in an identical principle\n *\n * @api private\n */\n\nexports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {\n if (typeof supportsBinary === 'function') {\n callback = supportsBinary;\n supportsBinary = false;\n }\n\n if (typeof utf8encode === 'function') {\n callback = utf8encode;\n utf8encode = null;\n }\n\n var data = (packet.data === undefined)\n ? undefined\n : packet.data.buffer || packet.data;\n\n if (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) {\n return encodeArrayBuffer(packet, supportsBinary, callback);\n } else if (typeof Blob !== 'undefined' && data instanceof Blob) {\n return encodeBlob(packet, supportsBinary, callback);\n }\n\n // might be an object with { base64: true, data: dataAsBase64String }\n if (data && data.base64) {\n return encodeBase64Object(packet, callback);\n }\n\n // Sending data as a utf-8 string\n var encoded = packets[packet.type];\n\n // data fragment is optional\n if (undefined !== packet.data) {\n encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);\n }\n\n return callback('' + encoded);\n\n};\n\nfunction encodeBase64Object(packet, callback) {\n // packet data is an object { base64: true, data: dataAsBase64String }\n var message = 'b' + exports.packets[packet.type] + packet.data.data;\n return callback(message);\n}\n\n/**\n * Encode packet helpers for binary types\n */\n\nfunction encodeArrayBuffer(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n var data = packet.data;\n var contentArray = new Uint8Array(data);\n var resultBuffer = new Uint8Array(1 + data.byteLength);\n\n resultBuffer[0] = packets[packet.type];\n for (var i = 0; i < contentArray.length; i++) {\n resultBuffer[i+1] = contentArray[i];\n }\n\n return callback(resultBuffer.buffer);\n}\n\nfunction encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n var fr = new FileReader();\n fr.onload = function() {\n exports.encodePacket({ type: packet.type, data: fr.result }, supportsBinary, true, callback);\n };\n return fr.readAsArrayBuffer(packet.data);\n}\n\nfunction encodeBlob(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n if (dontSendBlobs) {\n return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);\n }\n\n var length = new Uint8Array(1);\n length[0] = packets[packet.type];\n var blob = new Blob([length.buffer, packet.data]);\n\n return callback(blob);\n}\n\n/**\n * Encodes a packet with binary data in a base64 string\n *\n * @param {Object} packet, has `type` and `data`\n * @return {String} base64 encoded message\n */\n\nexports.encodeBase64Packet = function(packet, callback) {\n var message = 'b' + exports.packets[packet.type];\n if (typeof Blob !== 'undefined' && packet.data instanceof Blob) {\n var fr = new FileReader();\n fr.onload = function() {\n var b64 = fr.result.split(',')[1];\n callback(message + b64);\n };\n return fr.readAsDataURL(packet.data);\n }\n\n var b64data;\n try {\n b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));\n } catch (e) {\n // iPhone Safari doesn't let you apply with typed arrays\n var typed = new Uint8Array(packet.data);\n var basic = new Array(typed.length);\n for (var i = 0; i < typed.length; i++) {\n basic[i] = typed[i];\n }\n b64data = String.fromCharCode.apply(null, basic);\n }\n message += btoa(b64data);\n return callback(message);\n};\n\n/**\n * Decodes a packet. Changes format to Blob if requested.\n *\n * @return {Object} with `type` and `data` (if any)\n * @api private\n */\n\nexports.decodePacket = function (data, binaryType, utf8decode) {\n if (data === undefined) {\n return err;\n }\n // String data\n if (typeof data === 'string') {\n if (data.charAt(0) === 'b') {\n return exports.decodeBase64Packet(data.substr(1), binaryType);\n }\n\n if (utf8decode) {\n data = tryDecode(data);\n if (data === false) {\n return err;\n }\n }\n var type = data.charAt(0);\n\n if (Number(type) != type || !packetslist[type]) {\n return err;\n }\n\n if (data.length > 1) {\n return { type: packetslist[type], data: data.substring(1) };\n } else {\n return { type: packetslist[type] };\n }\n }\n\n var asArray = new Uint8Array(data);\n var type = asArray[0];\n var rest = sliceBuffer(data, 1);\n if (Blob && binaryType === 'blob') {\n rest = new Blob([rest]);\n }\n return { type: packetslist[type], data: rest };\n};\n\nfunction tryDecode(data) {\n try {\n data = utf8.decode(data, { strict: false });\n } catch (e) {\n return false;\n }\n return data;\n}\n\n/**\n * Decodes a packet encoded in a base64 string\n *\n * @param {String} base64 encoded message\n * @return {Object} with `type` and `data` (if any)\n */\n\nexports.decodeBase64Packet = function(msg, binaryType) {\n var type = packetslist[msg.charAt(0)];\n if (!base64encoder) {\n return { type: type, data: { base64: true, data: msg.substr(1) } };\n }\n\n var data = base64encoder.decode(msg.substr(1));\n\n if (binaryType === 'blob' && Blob) {\n data = new Blob([data]);\n }\n\n return { type: type, data: data };\n};\n\n/**\n * Encodes multiple messages (payload).\n *\n * <length>:data\n *\n * Example:\n *\n * 11:hello world2:hi\n *\n * If any contents are binary, they will be encoded as base64 strings. Base64\n * encoded strings are marked with a b before the length specifier\n *\n * @param {Array} packets\n * @api private\n */\n\nexports.encodePayload = function (packets, supportsBinary, callback) {\n if (typeof supportsBinary === 'function') {\n callback = supportsBinary;\n supportsBinary = null;\n }\n\n var isBinary = hasBinary(packets);\n\n if (supportsBinary && isBinary) {\n if (Blob && !dontSendBlobs) {\n return exports.encodePayloadAsBlob(packets, callback);\n }\n\n return exports.encodePayloadAsArrayBuffer(packets, callback);\n }\n\n if (!packets.length) {\n return callback('0:');\n }\n\n function setLengthHeader(message) {\n return message.length + ':' + message;\n }\n\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {\n doneCallback(null, setLengthHeader(message));\n });\n }\n\n map(packets, encodeOne, function(err, results) {\n return callback(results.join(''));\n });\n};\n\n/**\n * Async array map using after\n */\n\nfunction map(ary, each, done) {\n var result = new Array(ary.length);\n var next = after(ary.length, done);\n\n var eachWithIndex = function(i, el, cb) {\n each(el, function(error, msg) {\n result[i] = msg;\n cb(error, result);\n });\n };\n\n for (var i = 0; i < ary.length; i++) {\n eachWithIndex(i, ary[i], next);\n }\n}\n\n/*\n * Decodes data when a payload is maybe expected. Possible binary contents are\n * decoded from their base64 representation\n *\n * @param {String} data, callback method\n * @api public\n */\n\nexports.decodePayload = function (data, binaryType, callback) {\n if (typeof data !== 'string') {\n return exports.decodePayloadAsBinary(data, binaryType, callback);\n }\n\n if (typeof binaryType === 'function') {\n callback = binaryType;\n binaryType = null;\n }\n\n var packet;\n if (data === '') {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n var length = '', n, msg;\n\n for (var i = 0, l = data.length; i < l; i++) {\n var chr = data.charAt(i);\n\n if (chr !== ':') {\n length += chr;\n continue;\n }\n\n if (length === '' || (length != (n = Number(length)))) {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n msg = data.substr(i + 1, n);\n\n if (length != msg.length) {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n if (msg.length) {\n packet = exports.decodePacket(msg, binaryType, false);\n\n if (err.type === packet.type && err.data === packet.data) {\n // parser error in individual packet - ignoring payload\n return callback(err, 0, 1);\n }\n\n var ret = callback(packet, i + n, l);\n if (false === ret) return;\n }\n\n // advance cursor\n i += n;\n length = '';\n }\n\n if (length !== '') {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n};\n\n/**\n * Encodes multiple messages (payload) as binary.\n *\n * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number\n * 255><data>\n *\n * Example:\n * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers\n *\n * @param {Array} packets\n * @return {ArrayBuffer} encoded payload\n * @api private\n */\n\nexports.encodePayloadAsArrayBuffer = function(packets, callback) {\n if (!packets.length) {\n return callback(new ArrayBuffer(0));\n }\n\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, true, true, function(data) {\n return doneCallback(null, data);\n });\n }\n\n map(packets, encodeOne, function(err, encodedPackets) {\n var totalLength = encodedPackets.reduce(function(acc, p) {\n var len;\n if (typeof p === 'string'){\n len = p.length;\n } else {\n len = p.byteLength;\n }\n return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2\n }, 0);\n\n var resultArray = new Uint8Array(totalLength);\n\n var bufferIndex = 0;\n encodedPackets.forEach(function(p) {\n var isString = typeof p === 'string';\n var ab = p;\n if (isString) {\n var view = new Uint8Array(p.length);\n for (var i = 0; i < p.length; i++) {\n view[i] = p.charCodeAt(i);\n }\n ab = view.buffer;\n }\n\n if (isString) { // not true binary\n resultArray[bufferIndex++] = 0;\n } else { // true binary\n resultArray[bufferIndex++] = 1;\n }\n\n var lenStr = ab.byteLength.toString();\n for (var i = 0; i < lenStr.length; i++) {\n resultArray[bufferIndex++] = parseInt(lenStr[i]);\n }\n resultArray[bufferIndex++] = 255;\n\n var view = new Uint8Array(ab);\n for (var i = 0; i < view.length; i++) {\n resultArray[bufferIndex++] = view[i];\n }\n });\n\n return callback(resultArray.buffer);\n });\n};\n\n/**\n * Encode as Blob\n */\n\nexports.encodePayloadAsBlob = function(packets, callback) {\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, true, true, function(encoded) {\n var binaryIdentifier = new Uint8Array(1);\n binaryIdentifier[0] = 1;\n if (typeof encoded === 'string') {\n var view = new Uint8Array(encoded.length);\n for (var i = 0; i < encoded.length; i++) {\n view[i] = encoded.charCodeAt(i);\n }\n encoded = view.buffer;\n binaryIdentifier[0] = 0;\n }\n\n var len = (encoded instanceof ArrayBuffer)\n ? encoded.byteLength\n : encoded.size;\n\n var lenStr = len.toString();\n var lengthAry = new Uint8Array(lenStr.length + 1);\n for (var i = 0; i < lenStr.length; i++) {\n lengthAry[i] = parseInt(lenStr[i]);\n }\n lengthAry[lenStr.length] = 255;\n\n if (Blob) {\n var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);\n doneCallback(null, blob);\n }\n });\n }\n\n map(packets, encodeOne, function(err, results) {\n return callback(new Blob(results));\n });\n};\n\n/*\n * Decodes data when a payload is maybe expected. Strings are decoded by\n * interpreting each byte as a key code for entries marked to start with 0. See\n * description of encodePayloadAsBinary\n *\n * @param {ArrayBuffer} data, callback method\n * @api public\n */\n\nexports.decodePayloadAsBinary = function (data, binaryType, callback) {\n if (typeof binaryType === 'function') {\n callback = binaryType;\n binaryType = null;\n }\n\n var bufferTail = data;\n var buffers = [];\n\n while (bufferTail.byteLength > 0) {\n var tailArray = new Uint8Array(bufferTail);\n var isString = tailArray[0] === 0;\n var msgLength = '';\n\n for (var i = 1; ; i++) {\n if (tailArray[i] === 255) break;\n\n // 310 = char length of Number.MAX_VALUE\n if (msgLength.length > 310) {\n return callback(err, 0, 1);\n }\n\n msgLength += tailArray[i];\n }\n\n bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);\n msgLength = parseInt(msgLength);\n\n var msg = sliceBuffer(bufferTail, 0, msgLength);\n if (isString) {\n try {\n msg = String.fromCharCode.apply(null, new Uint8Array(msg));\n } catch (e) {\n // iPhone Safari doesn't let you apply to typed arrays\n var typed = new Uint8Array(msg);\n msg = '';\n for (var i = 0; i < typed.length; i++) {\n msg += String.fromCharCode(typed[i]);\n }\n }\n }\n\n buffers.push(msg);\n bufferTail = sliceBuffer(bufferTail, msgLength);\n }\n\n var total = buffers.length;\n buffers.forEach(function(buffer, i) {\n callback(exports.decodePacket(buffer, binaryType, true), i, total);\n });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/browser.js\n// module id = 19\n// module chunks = 0","\n/**\n * Gets the keys for an object.\n *\n * @return {Array} keys\n * @api private\n */\n\nmodule.exports = Object.keys || function keys (obj){\n var arr = [];\n var has = Object.prototype.hasOwnProperty;\n\n for (var i in obj) {\n if (has.call(obj, i)) {\n arr.push(i);\n }\n }\n return arr;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/keys.js\n// module id = 20\n// module chunks = 0","/* global Blob File */\n\n/*\n * Module requirements.\n */\n\nvar isArray = require('isarray');\n\nvar toString = Object.prototype.toString;\nvar withNativeBlob = typeof Blob === 'function' ||\n typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]';\nvar withNativeFile = typeof File === 'function' ||\n typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]';\n\n/**\n * Module exports.\n */\n\nmodule.exports = hasBinary;\n\n/**\n * Checks for binary data.\n *\n * Supports Buffer, ArrayBuffer, Blob and File.\n *\n * @param {Object} anything\n * @api public\n */\n\nfunction hasBinary (obj) {\n if (!obj || typeof obj !== 'object') {\n return false;\n }\n\n if (isArray(obj)) {\n for (var i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n\n if ((typeof Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) ||\n (typeof ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File)\n ) {\n return true;\n }\n\n // see: https://github.com/Automattic/has-binary/pull/4\n if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n\n for (var key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n\n return false;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/has-binary2/index.js\n// module id = 21\n// module chunks = 0","/**\n * An abstraction for slicing an arraybuffer even when\n * ArrayBuffer.prototype.slice is not supported\n *\n * @api public\n */\n\nmodule.exports = function(arraybuffer, start, end) {\n var bytes = arraybuffer.byteLength;\n start = start || 0;\n end = end || bytes;\n\n if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\n if (start < 0) { start += bytes; }\n if (end < 0) { end += bytes; }\n if (end > bytes) { end = bytes; }\n\n if (start >= bytes || start >= end || bytes === 0) {\n return new ArrayBuffer(0);\n }\n\n var abv = new Uint8Array(arraybuffer);\n var result = new Uint8Array(end - start);\n for (var i = start, ii = 0; i < end; i++, ii++) {\n result[ii] = abv[i];\n }\n return result.buffer;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/arraybuffer.slice/index.js\n// module id = 22\n// module chunks = 0","module.exports = after\n\nfunction after(count, callback, err_cb) {\n var bail = false\n err_cb = err_cb || noop\n proxy.count = count\n\n return (count === 0) ? callback() : proxy\n\n function proxy(err, result) {\n if (proxy.count <= 0) {\n throw new Error('after called too many times')\n }\n --proxy.count\n\n // after first error, rest are passed to err_cb\n if (err) {\n bail = true\n callback(err)\n // future error callbacks will go to error handler\n callback = err_cb\n } else if (proxy.count === 0 && !bail) {\n callback(null, result)\n }\n }\n}\n\nfunction noop() {}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/after/index.js\n// module id = 23\n// module chunks = 0","/*! https://mths.be/utf8js v2.1.2 by @mathias */\n\nvar stringFromCharCode = String.fromCharCode;\n\n// Taken from https://mths.be/punycode\nfunction ucs2decode(string) {\n\tvar output = [];\n\tvar counter = 0;\n\tvar length = string.length;\n\tvar value;\n\tvar extra;\n\twhile (counter < length) {\n\t\tvalue = string.charCodeAt(counter++);\n\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t// high surrogate, and there is a next character\n\t\t\textra = string.charCodeAt(counter++);\n\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t} else {\n\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\toutput.push(value);\n\t\t\t\tcounter--;\n\t\t\t}\n\t\t} else {\n\t\t\toutput.push(value);\n\t\t}\n\t}\n\treturn output;\n}\n\n// Taken from https://mths.be/punycode\nfunction ucs2encode(array) {\n\tvar length = array.length;\n\tvar index = -1;\n\tvar value;\n\tvar output = '';\n\twhile (++index < length) {\n\t\tvalue = array[index];\n\t\tif (value > 0xFFFF) {\n\t\t\tvalue -= 0x10000;\n\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t}\n\t\toutput += stringFromCharCode(value);\n\t}\n\treturn output;\n}\n\nfunction checkScalarValue(codePoint, strict) {\n\tif (codePoint >= 0xD800 && codePoint <= 0xDFFF) {\n\t\tif (strict) {\n\t\t\tthrow Error(\n\t\t\t\t'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +\n\t\t\t\t' is not a scalar value'\n\t\t\t);\n\t\t}\n\t\treturn false;\n\t}\n\treturn true;\n}\n/*--------------------------------------------------------------------------*/\n\nfunction createByte(codePoint, shift) {\n\treturn stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);\n}\n\nfunction encodeCodePoint(codePoint, strict) {\n\tif ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence\n\t\treturn stringFromCharCode(codePoint);\n\t}\n\tvar symbol = '';\n\tif ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence\n\t\tsymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);\n\t}\n\telse if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence\n\t\tif (!checkScalarValue(codePoint, strict)) {\n\t\t\tcodePoint = 0xFFFD;\n\t\t}\n\t\tsymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);\n\t\tsymbol += createByte(codePoint, 6);\n\t}\n\telse if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence\n\t\tsymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);\n\t\tsymbol += createByte(codePoint, 12);\n\t\tsymbol += createByte(codePoint, 6);\n\t}\n\tsymbol += stringFromCharCode((codePoint & 0x3F) | 0x80);\n\treturn symbol;\n}\n\nfunction utf8encode(string, opts) {\n\topts = opts || {};\n\tvar strict = false !== opts.strict;\n\n\tvar codePoints = ucs2decode(string);\n\tvar length = codePoints.length;\n\tvar index = -1;\n\tvar codePoint;\n\tvar byteString = '';\n\twhile (++index < length) {\n\t\tcodePoint = codePoints[index];\n\t\tbyteString += encodeCodePoint(codePoint, strict);\n\t}\n\treturn byteString;\n}\n\n/*--------------------------------------------------------------------------*/\n\nfunction readContinuationByte() {\n\tif (byteIndex >= byteCount) {\n\t\tthrow Error('Invalid byte index');\n\t}\n\n\tvar continuationByte = byteArray[byteIndex] & 0xFF;\n\tbyteIndex++;\n\n\tif ((continuationByte & 0xC0) == 0x80) {\n\t\treturn continuationByte & 0x3F;\n\t}\n\n\t// If we end up here, it’s not a continuation byte\n\tthrow Error('Invalid continuation byte');\n}\n\nfunction decodeSymbol(strict) {\n\tvar byte1;\n\tvar byte2;\n\tvar byte3;\n\tvar byte4;\n\tvar codePoint;\n\n\tif (byteIndex > byteCount) {\n\t\tthrow Error('Invalid byte index');\n\t}\n\n\tif (byteIndex == byteCount) {\n\t\treturn false;\n\t}\n\n\t// Read first byte\n\tbyte1 = byteArray[byteIndex] & 0xFF;\n\tbyteIndex++;\n\n\t// 1-byte sequence (no continuation bytes)\n\tif ((byte1 & 0x80) == 0) {\n\t\treturn byte1;\n\t}\n\n\t// 2-byte sequence\n\tif ((byte1 & 0xE0) == 0xC0) {\n\t\tbyte2 = readContinuationByte();\n\t\tcodePoint = ((byte1 & 0x1F) << 6) | byte2;\n\t\tif (codePoint >= 0x80) {\n\t\t\treturn codePoint;\n\t\t} else {\n\t\t\tthrow Error('Invalid continuation byte');\n\t\t}\n\t}\n\n\t// 3-byte sequence (may include unpaired surrogates)\n\tif ((byte1 & 0xF0) == 0xE0) {\n\t\tbyte2 = readContinuationByte();\n\t\tbyte3 = readContinuationByte();\n\t\tcodePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;\n\t\tif (codePoint >= 0x0800) {\n\t\t\treturn checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;\n\t\t} else {\n\t\t\tthrow Error('Invalid continuation byte');\n\t\t}\n\t}\n\n\t// 4-byte sequence\n\tif ((byte1 & 0xF8) == 0xF0) {\n\t\tbyte2 = readContinuationByte();\n\t\tbyte3 = readContinuationByte();\n\t\tbyte4 = readContinuationByte();\n\t\tcodePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |\n\t\t\t(byte3 << 0x06) | byte4;\n\t\tif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {\n\t\t\treturn codePoint;\n\t\t}\n\t}\n\n\tthrow Error('Invalid UTF-8 detected');\n}\n\nvar byteArray;\nvar byteCount;\nvar byteIndex;\nfunction utf8decode(byteString, opts) {\n\topts = opts || {};\n\tvar strict = false !== opts.strict;\n\n\tbyteArray = ucs2decode(byteString);\n\tbyteCount = byteArray.length;\n\tbyteIndex = 0;\n\tvar codePoints = [];\n\tvar tmp;\n\twhile ((tmp = decodeSymbol(strict)) !== false) {\n\t\tcodePoints.push(tmp);\n\t}\n\treturn ucs2encode(codePoints);\n}\n\nmodule.exports = {\n\tversion: '2.1.2',\n\tencode: utf8encode,\n\tdecode: utf8decode\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/utf8.js\n// module id = 24\n// module chunks = 0","/*\n * base64-arraybuffer\n * https://github.com/niklasvh/base64-arraybuffer\n *\n * Copyright (c) 2012 Niklas von Hertzen\n * Licensed under the MIT license.\n */\n(function(chars){\n \"use strict\";\n\n exports.encode = function(arraybuffer) {\n var bytes = new Uint8Array(arraybuffer),\n i, len = bytes.length, base64 = \"\";\n\n for (i = 0; i < len; i+=3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n\n if ((len % 3) === 2) {\n base64 = base64.substring(0, base64.length - 1) + \"=\";\n } else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + \"==\";\n }\n\n return base64;\n };\n\n exports.decode = function(base64) {\n var bufferLength = base64.length * 0.75,\n len = base64.length, i, p = 0,\n encoded1, encoded2, encoded3, encoded4;\n\n if (base64[base64.length - 1] === \"=\") {\n bufferLength--;\n if (base64[base64.length - 2] === \"=\") {\n bufferLength--;\n }\n }\n\n var arraybuffer = new ArrayBuffer(bufferLength),\n bytes = new Uint8Array(arraybuffer);\n\n for (i = 0; i < len; i+=4) {\n encoded1 = chars.indexOf(base64[i]);\n encoded2 = chars.indexOf(base64[i+1]);\n encoded3 = chars.indexOf(base64[i+2]);\n encoded4 = chars.indexOf(base64[i+3]);\n\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n\n return arraybuffer;\n };\n})(\"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\");\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/~/base64-arraybuffer/lib/base64-arraybuffer.js\n// module id = 25\n// module chunks = 0","/**\r\n * Create a blob builder even when vendor prefixes exist\r\n */\r\n\r\nvar BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder :\r\n typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder :\r\n typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder :\r\n typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : \r\n false;\r\n\r\n/**\r\n * Check if Blob constructor is supported\r\n */\r\n\r\nvar blobSupported = (function() {\r\n try {\r\n var a = new Blob(['hi']);\r\n return a.size === 2;\r\n } catch(e) {\r\n return false;\r\n }\r\n})();\r\n\r\n/**\r\n * Check if Blob constructor supports ArrayBufferViews\r\n * Fails in Safari 6, so we need to map to ArrayBuffers there.\r\n */\r\n\r\nvar blobSupportsArrayBufferView = blobSupported && (function() {\r\n try {\r\n var b = new Blob([new Uint8Array([1,2])]);\r\n return b.size === 2;\r\n } catch(e) {\r\n return false;\r\n }\r\n})();\r\n\r\n/**\r\n * Check if BlobBuilder is supported\r\n */\r\n\r\nvar blobBuilderSupported = BlobBuilder\r\n && BlobBuilder.prototype.append\r\n && BlobBuilder.prototype.getBlob;\r\n\r\n/**\r\n * Helper function that maps ArrayBufferViews to ArrayBuffers\r\n * Used by BlobBuilder constructor and old browsers that didn't\r\n * support it in the Blob constructor.\r\n */\r\n\r\nfunction mapArrayBufferViews(ary) {\r\n return ary.map(function(chunk) {\r\n if (chunk.buffer instanceof ArrayBuffer) {\r\n var buf = chunk.buffer;\r\n\r\n // if this is a subarray, make a copy so we only\r\n // include the subarray region from the underlying buffer\r\n if (chunk.byteLength !== buf.byteLength) {\r\n var copy = new Uint8Array(chunk.byteLength);\r\n copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\r\n buf = copy.buffer;\r\n }\r\n\r\n return buf;\r\n }\r\n\r\n return chunk;\r\n });\r\n}\r\n\r\nfunction BlobBuilderConstructor(ary, options) {\r\n options = options || {};\r\n\r\n var bb = new BlobBuilder();\r\n mapArrayBufferViews(ary).forEach(function(part) {\r\n bb.append(part);\r\n });\r\n\r\n return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\r\n};\r\n\r\nfunction BlobConstructor(ary, options) {\r\n return new Blob(mapArrayBufferViews(ary), options || {});\r\n};\r\n\r\nif (typeof Blob !== 'undefined') {\r\n BlobBuilderConstructor.prototype = Blob.prototype;\r\n BlobConstructor.prototype = Blob.prototype;\r\n}\r\n\r\nmodule.exports = (function() {\r\n if (blobSupported) {\r\n return blobSupportsArrayBufferView ? Blob : BlobConstructor;\r\n } else if (blobBuilderSupported) {\r\n return BlobBuilderConstructor;\r\n } else {\r\n return undefined;\r\n }\r\n})();\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/blob/index.js\n// module id = 26\n// module chunks = 0","/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\n\nexports.encode = function (obj) {\n var str = '';\n\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length) str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n\n return str;\n};\n\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\n\nexports.decode = function(qs){\n var qry = {};\n var pairs = qs.split('&');\n for (var i = 0, l = pairs.length; i < l; i++) {\n var pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/parseqs/index.js\n// module id = 27\n// module chunks = 0","\nmodule.exports = function(a, b){\n var fn = function(){};\n fn.prototype = b.prototype;\n a.prototype = new fn;\n a.prototype.constructor = a;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-inherit/index.js\n// module id = 28\n// module chunks = 0","'use strict';\n\nvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n , length = 64\n , map = {}\n , seed = 0\n , i = 0\n , prev;\n\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nfunction encode(num) {\n var encoded = '';\n\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n\n return encoded;\n}\n\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nfunction decode(str) {\n var decoded = 0;\n\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n\n return decoded;\n}\n\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nfunction yeast() {\n var now = encode(+new Date());\n\n if (now !== prev) return seed = 0, prev = now;\n return now +'.'+ encode(seed++);\n}\n\n//\n// Map each character to its index.\n//\nfor (; i < length; i++) map[alphabet[i]] = i;\n\n//\n// Expose the `yeast`, `encode` and `decode` functions.\n//\nyeast.encode = encode;\nyeast.decode = decode;\nmodule.exports = yeast;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/yeast/index.js\n// module id = 29\n// module chunks = 0","/**\n * Module requirements.\n */\n\nvar Polling = require('./polling');\nvar inherit = require('component-inherit');\nvar globalThis = require('../globalThis');\n\n/**\n * Module exports.\n */\n\nmodule.exports = JSONPPolling;\n\n/**\n * Cached regular expressions.\n */\n\nvar rNewline = /\\n/g;\nvar rEscapedNewline = /\\\\n/g;\n\n/**\n * Global JSONP callbacks.\n */\n\nvar callbacks;\n\n/**\n * Noop.\n */\n\nfunction empty () { }\n\n/**\n * JSONP Polling constructor.\n *\n * @param {Object} opts.\n * @api public\n */\n\nfunction JSONPPolling (opts) {\n Polling.call(this, opts);\n\n this.query = this.query || {};\n\n // define global callbacks array if not present\n // we do this here (lazily) to avoid unneeded global pollution\n if (!callbacks) {\n // we need to consider multiple engines in the same page\n callbacks = globalThis.___eio = (globalThis.___eio || []);\n }\n\n // callback identifier\n this.index = callbacks.length;\n\n // add callback to jsonp global\n var self = this;\n callbacks.push(function (msg) {\n self.onData(msg);\n });\n\n // append to query string\n this.query.j = this.index;\n\n // prevent spurious errors from being emitted when the window is unloaded\n if (typeof addEventListener === 'function') {\n addEventListener('beforeunload', function () {\n if (self.script) self.script.onerror = empty;\n }, false);\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(JSONPPolling, Polling);\n\n/*\n * JSONP only supports binary as base64 encoded strings\n */\n\nJSONPPolling.prototype.supportsBinary = false;\n\n/**\n * Closes the socket.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doClose = function () {\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n if (this.form) {\n this.form.parentNode.removeChild(this.form);\n this.form = null;\n this.iframe = null;\n }\n\n Polling.prototype.doClose.call(this);\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doPoll = function () {\n var self = this;\n var script = document.createElement('script');\n\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n script.async = true;\n script.src = this.uri();\n script.onerror = function (e) {\n self.onError('jsonp poll error', e);\n };\n\n var insertAt = document.getElementsByTagName('script')[0];\n if (insertAt) {\n insertAt.parentNode.insertBefore(script, insertAt);\n } else {\n (document.head || document.body).appendChild(script);\n }\n this.script = script;\n\n var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\n if (isUAgecko) {\n setTimeout(function () {\n var iframe = document.createElement('iframe');\n document.body.appendChild(iframe);\n document.body.removeChild(iframe);\n }, 100);\n }\n};\n\n/**\n * Writes with a hidden iframe.\n *\n * @param {String} data to send\n * @param {Function} called upon flush.\n * @api private\n */\n\nJSONPPolling.prototype.doWrite = function (data, fn) {\n var self = this;\n\n if (!this.form) {\n var form = document.createElement('form');\n var area = document.createElement('textarea');\n var id = this.iframeId = 'eio_iframe_' + this.index;\n var iframe;\n\n form.className = 'socketio';\n form.style.position = 'absolute';\n form.style.top = '-1000px';\n form.style.left = '-1000px';\n form.target = id;\n form.method = 'POST';\n form.setAttribute('accept-charset', 'utf-8');\n area.name = 'd';\n form.appendChild(area);\n document.body.appendChild(form);\n\n this.form = form;\n this.area = area;\n }\n\n this.form.action = this.uri();\n\n function complete () {\n initIframe();\n fn();\n }\n\n function initIframe () {\n if (self.iframe) {\n try {\n self.form.removeChild(self.iframe);\n } catch (e) {\n self.onError('jsonp polling iframe removal error', e);\n }\n }\n\n try {\n // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n var html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n iframe = document.createElement(html);\n } catch (e) {\n iframe = document.createElement('iframe');\n iframe.name = self.iframeId;\n iframe.src = 'javascript:0';\n }\n\n iframe.id = self.iframeId;\n\n self.form.appendChild(iframe);\n self.iframe = iframe;\n }\n\n initIframe();\n\n // escape \\n to prevent it from being converted into \\r\\n by some UAs\n // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n data = data.replace(rEscapedNewline, '\\\\\\n');\n this.area.value = data.replace(rNewline, '\\\\n');\n\n try {\n this.form.submit();\n } catch (e) {}\n\n if (this.iframe.attachEvent) {\n this.iframe.onreadystatechange = function () {\n if (self.iframe.readyState === 'complete') {\n complete();\n }\n };\n } else {\n this.iframe.onload = complete;\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling-jsonp.js\n// module id = 30\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar Transport = require('../transport');\nvar parser = require('engine.io-parser');\nvar parseqs = require('parseqs');\nvar inherit = require('component-inherit');\nvar yeast = require('yeast');\nvar debug = require('debug')('engine.io-client:websocket');\n\nvar BrowserWebSocket, NodeWebSocket;\n\nif (typeof WebSocket !== 'undefined') {\n BrowserWebSocket = WebSocket;\n} else if (typeof self !== 'undefined') {\n BrowserWebSocket = self.WebSocket || self.MozWebSocket;\n}\n\nif (typeof window === 'undefined') {\n try {\n NodeWebSocket = require('ws');\n } catch (e) { }\n}\n\n/**\n * Get either the `WebSocket` or `MozWebSocket` globals\n * in the browser or try to resolve WebSocket-compatible\n * interface exposed by `ws` for Node-like environment.\n */\n\nvar WebSocketImpl = BrowserWebSocket || NodeWebSocket;\n\n/**\n * Module exports.\n */\n\nmodule.exports = WS;\n\n/**\n * WebSocket transport constructor.\n *\n * @api {Object} connection options\n * @api public\n */\n\nfunction WS (opts) {\n var forceBase64 = (opts && opts.forceBase64);\n if (forceBase64) {\n this.supportsBinary = false;\n }\n this.perMessageDeflate = opts.perMessageDeflate;\n this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;\n this.protocols = opts.protocols;\n if (!this.usingBrowserWebSocket) {\n WebSocketImpl = NodeWebSocket;\n }\n Transport.call(this, opts);\n}\n\n/**\n * Inherits from Transport.\n */\n\ninherit(WS, Transport);\n\n/**\n * Transport name.\n *\n * @api public\n */\n\nWS.prototype.name = 'websocket';\n\n/*\n * WebSockets support binary\n */\n\nWS.prototype.supportsBinary = true;\n\n/**\n * Opens socket.\n *\n * @api private\n */\n\nWS.prototype.doOpen = function () {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n\n var uri = this.uri();\n var protocols = this.protocols;\n\n var opts = {};\n\n if (!this.isReactNative) {\n opts.agent = this.agent;\n opts.perMessageDeflate = this.perMessageDeflate;\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n }\n\n if (this.extraHeaders) {\n opts.headers = this.extraHeaders;\n }\n if (this.localAddress) {\n opts.localAddress = this.localAddress;\n }\n\n try {\n this.ws =\n this.usingBrowserWebSocket && !this.isReactNative\n ? protocols\n ? new WebSocketImpl(uri, protocols)\n : new WebSocketImpl(uri)\n : new WebSocketImpl(uri, protocols, opts);\n } catch (err) {\n return this.emit('error', err);\n }\n\n if (this.ws.binaryType === undefined) {\n this.supportsBinary = false;\n }\n\n if (this.ws.supports && this.ws.supports.binary) {\n this.supportsBinary = true;\n this.ws.binaryType = 'nodebuffer';\n } else {\n this.ws.binaryType = 'arraybuffer';\n }\n\n this.addEventListeners();\n};\n\n/**\n * Adds event listeners to the socket\n *\n * @api private\n */\n\nWS.prototype.addEventListeners = function () {\n var self = this;\n\n this.ws.onopen = function () {\n self.onOpen();\n };\n this.ws.onclose = function () {\n self.onClose();\n };\n this.ws.onmessage = function (ev) {\n self.onData(ev.data);\n };\n this.ws.onerror = function (e) {\n self.onError('websocket error', e);\n };\n};\n\n/**\n * Writes data to socket.\n *\n * @param {Array} array of packets.\n * @api private\n */\n\nWS.prototype.write = function (packets) {\n var self = this;\n this.writable = false;\n\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n var total = packets.length;\n for (var i = 0, l = total; i < l; i++) {\n (function (packet) {\n parser.encodePacket(packet, self.supportsBinary, function (data) {\n if (!self.usingBrowserWebSocket) {\n // always create a new object (GH-437)\n var opts = {};\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n\n if (self.perMessageDeflate) {\n var len = 'string' === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < self.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (self.usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n self.ws.send(data);\n } else {\n self.ws.send(data, opts);\n }\n } catch (e) {\n\n }\n\n --total || done();\n });\n })(packets[i]);\n }\n\n function done () {\n self.emit('flush');\n\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n setTimeout(function () {\n self.writable = true;\n self.emit('drain');\n }, 0);\n }\n};\n\n/**\n * Called upon close\n *\n * @api private\n */\n\nWS.prototype.onClose = function () {\n Transport.prototype.onClose.call(this);\n};\n\n/**\n * Closes socket.\n *\n * @api private\n */\n\nWS.prototype.doClose = function () {\n if (typeof this.ws !== 'undefined') {\n this.ws.close();\n }\n};\n\n/**\n * Generates uri for connection.\n *\n * @api private\n */\n\nWS.prototype.uri = function () {\n var query = this.query || {};\n var schema = this.secure ? 'wss' : 'ws';\n var port = '';\n\n // avoid port if default for schema\n if (this.port && (('wss' === schema && Number(this.port) !== 443) ||\n ('ws' === schema && Number(this.port) !== 80))) {\n port = ':' + this.port;\n }\n\n // append timestamp to URI\n if (this.timestampRequests) {\n query[this.timestampParam] = yeast();\n }\n\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // prepend ? to query\n if (query.length) {\n query = '?' + query;\n }\n\n var ipv6 = this.hostname.indexOf(':') !== -1;\n return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n};\n\n/**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @api public\n */\n\nWS.prototype.check = function () {\n return !!WebSocketImpl && !('__initialize' in WebSocketImpl && this.name === WS.prototype.name);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/websocket.js\n// module id = 31\n// module chunks = 0","\nvar indexOf = [].indexOf;\n\nmodule.exports = function(arr, obj){\n if (indexOf) return arr.indexOf(obj);\n for (var i = 0; i < arr.length; ++i) {\n if (arr[i] === obj) return i;\n }\n return -1;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/indexof/index.js\n// module id = 33\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar parser = require('socket.io-parser');\nvar Emitter = require('component-emitter');\nvar toArray = require('to-array');\nvar on = require('./on');\nvar bind = require('component-bind');\nvar debug = require('debug')('socket.io-client:socket');\nvar parseqs = require('parseqs');\nvar hasBin = require('has-binary2');\n\n/**\n * Module exports.\n */\n\nmodule.exports = exports = Socket;\n\n/**\n * Internal events (blacklisted).\n * These events can't be emitted by the user.\n *\n * @api private\n */\n\nvar events = {\n connect: 1,\n connect_error: 1,\n connect_timeout: 1,\n connecting: 1,\n disconnect: 1,\n error: 1,\n reconnect: 1,\n reconnect_attempt: 1,\n reconnect_failed: 1,\n reconnect_error: 1,\n reconnecting: 1,\n ping: 1,\n pong: 1\n};\n\n/**\n * Shortcut to `Emitter#emit`.\n */\n\nvar emit = Emitter.prototype.emit;\n\n/**\n * `Socket` constructor.\n *\n * @api public\n */\n\nfunction Socket (io, nsp, opts) {\n this.io = io;\n this.nsp = nsp;\n this.json = this; // compat\n this.ids = 0;\n this.acks = {};\n this.receiveBuffer = [];\n this.sendBuffer = [];\n this.connected = false;\n this.disconnected = true;\n this.flags = {};\n if (opts && opts.query) {\n this.query = opts.query;\n }\n if (this.io.autoConnect) this.open();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Subscribe to open, close and packet events\n *\n * @api private\n */\n\nSocket.prototype.subEvents = function () {\n if (this.subs) return;\n\n var io = this.io;\n this.subs = [\n on(io, 'open', bind(this, 'onopen')),\n on(io, 'packet', bind(this, 'onpacket')),\n on(io, 'close', bind(this, 'onclose'))\n ];\n};\n\n/**\n * \"Opens\" the socket.\n *\n * @api public\n */\n\nSocket.prototype.open =\nSocket.prototype.connect = function () {\n if (this.connected) return this;\n\n this.subEvents();\n if (!this.io.reconnecting) this.io.open(); // ensure open\n if ('open' === this.io.readyState) this.onopen();\n this.emit('connecting');\n return this;\n};\n\n/**\n * Sends a `message` event.\n *\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.send = function () {\n var args = toArray(arguments);\n args.unshift('message');\n this.emit.apply(this, args);\n return this;\n};\n\n/**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @param {String} event name\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.emit = function (ev) {\n if (events.hasOwnProperty(ev)) {\n emit.apply(this, arguments);\n return this;\n }\n\n var args = toArray(arguments);\n var packet = {\n type: (this.flags.binary !== undefined ? this.flags.binary : hasBin(args)) ? parser.BINARY_EVENT : parser.EVENT,\n data: args\n };\n\n packet.options = {};\n packet.options.compress = !this.flags || false !== this.flags.compress;\n\n // event ack callback\n if ('function' === typeof args[args.length - 1]) {\n\n this.acks[this.ids] = args.pop();\n packet.id = this.ids++;\n }\n\n if (this.connected) {\n this.packet(packet);\n } else {\n this.sendBuffer.push(packet);\n }\n\n this.flags = {};\n\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.packet = function (packet) {\n packet.nsp = this.nsp;\n this.io.packet(packet);\n};\n\n/**\n * Called upon engine `open`.\n *\n * @api private\n */\n\nSocket.prototype.onopen = function () {\n\n\n // write connect packet if necessary\n if ('/' !== this.nsp) {\n if (this.query) {\n var query = typeof this.query === 'object' ? parseqs.encode(this.query) : this.query;\n\n this.packet({type: parser.CONNECT, query: query});\n } else {\n this.packet({type: parser.CONNECT});\n }\n }\n};\n\n/**\n * Called upon engine `close`.\n *\n * @param {String} reason\n * @api private\n */\n\nSocket.prototype.onclose = function (reason) {\n\n this.connected = false;\n this.disconnected = true;\n delete this.id;\n this.emit('disconnect', reason);\n};\n\n/**\n * Called with socket packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onpacket = function (packet) {\n var sameNamespace = packet.nsp === this.nsp;\n var rootNamespaceError = packet.type === parser.ERROR && packet.nsp === '/';\n\n if (!sameNamespace && !rootNamespaceError) return;\n\n switch (packet.type) {\n case parser.CONNECT:\n this.onconnect();\n break;\n\n case parser.EVENT:\n this.onevent(packet);\n break;\n\n case parser.BINARY_EVENT:\n this.onevent(packet);\n break;\n\n case parser.ACK:\n this.onack(packet);\n break;\n\n case parser.BINARY_ACK:\n this.onack(packet);\n break;\n\n case parser.DISCONNECT:\n this.ondisconnect();\n break;\n\n case parser.ERROR:\n this.emit('error', packet.data);\n break;\n }\n};\n\n/**\n * Called upon a server event.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onevent = function (packet) {\n var args = packet.data || [];\n\n\n if (null != packet.id) {\n\n args.push(this.ack(packet.id));\n }\n\n if (this.connected) {\n emit.apply(this, args);\n } else {\n this.receiveBuffer.push(args);\n }\n};\n\n/**\n * Produces an ack callback to emit with an event.\n *\n * @api private\n */\n\nSocket.prototype.ack = function (id) {\n var self = this;\n var sent = false;\n return function () {\n // prevent double callbacks\n if (sent) return;\n sent = true;\n var args = toArray(arguments);\n\n\n self.packet({\n type: hasBin(args) ? parser.BINARY_ACK : parser.ACK,\n id: id,\n data: args\n });\n };\n};\n\n/**\n * Called upon a server acknowlegement.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onack = function (packet) {\n var ack = this.acks[packet.id];\n if ('function' === typeof ack) {\n\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n } else {\n\n }\n};\n\n/**\n * Called upon server connect.\n *\n * @api private\n */\n\nSocket.prototype.onconnect = function () {\n this.connected = true;\n this.disconnected = false;\n this.emit('connect');\n this.emitBuffered();\n};\n\n/**\n * Emit buffered events (received and emitted).\n *\n * @api private\n */\n\nSocket.prototype.emitBuffered = function () {\n var i;\n for (i = 0; i < this.receiveBuffer.length; i++) {\n emit.apply(this, this.receiveBuffer[i]);\n }\n this.receiveBuffer = [];\n\n for (i = 0; i < this.sendBuffer.length; i++) {\n this.packet(this.sendBuffer[i]);\n }\n this.sendBuffer = [];\n};\n\n/**\n * Called upon server disconnect.\n *\n * @api private\n */\n\nSocket.prototype.ondisconnect = function () {\n\n this.destroy();\n this.onclose('io server disconnect');\n};\n\n/**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @api private.\n */\n\nSocket.prototype.destroy = function () {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n for (var i = 0; i < this.subs.length; i++) {\n this.subs[i].destroy();\n }\n this.subs = null;\n }\n\n this.io.destroy(this);\n};\n\n/**\n * Disconnects the socket manually.\n *\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.close =\nSocket.prototype.disconnect = function () {\n if (this.connected) {\n\n this.packet({ type: parser.DISCONNECT });\n }\n\n // remove socket from pool\n this.destroy();\n\n if (this.connected) {\n // fire events\n this.onclose('io client disconnect');\n }\n return this;\n};\n\n/**\n * Sets the compress flag.\n *\n * @param {Boolean} if `true`, compresses the sending data\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.compress = function (compress) {\n this.flags.compress = compress;\n return this;\n};\n\n/**\n * Sets the binary flag\n *\n * @param {Boolean} whether the emitted data contains binary\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.binary = function (binary) {\n this.flags.binary = binary;\n return this;\n};\n\n\n\n// WEBPACK FOOTER //\n// ./lib/socket.js","module.exports = toArray\n\nfunction toArray(list, index) {\n var array = []\n\n index = index || 0\n\n for (var i = index || 0; i < list.length; i++) {\n array[i - index] = list[i]\n }\n\n return array\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/to-array/index.js\n// module id = 35\n// module chunks = 0","\n/**\n * Module exports.\n */\n\nmodule.exports = on;\n\n/**\n * Helper for subscriptions.\n *\n * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`\n * @param {String} event name\n * @param {Function} callback\n * @api public\n */\n\nfunction on (obj, ev, fn) {\n obj.on(ev, fn);\n return {\n destroy: function () {\n obj.removeListener(ev, fn);\n }\n };\n}\n\n\n\n// WEBPACK FOOTER //\n// ./lib/on.js","/**\n * Slice reference.\n */\n\nvar slice = [].slice;\n\n/**\n * Bind `obj` to `fn`.\n *\n * @param {Object} obj\n * @param {Function|String} fn or string\n * @return {Function}\n * @api public\n */\n\nmodule.exports = function(obj, fn){\n if ('string' == typeof fn) fn = obj[fn];\n if ('function' != typeof fn) throw new Error('bind() requires a function');\n var args = slice.call(arguments, 2);\n return function(){\n return fn.apply(obj, args.concat(slice.call(arguments)));\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-bind/index.js\n// module id = 37\n// module chunks = 0","\n/**\n * Expose `Backoff`.\n */\n\nmodule.exports = Backoff;\n\n/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\n\nBackoff.prototype.duration = function(){\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\n\nBackoff.prototype.reset = function(){\n this.attempts = 0;\n};\n\n/**\n * Set the minimum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMin = function(min){\n this.ms = min;\n};\n\n/**\n * Set the maximum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMax = function(max){\n this.max = max;\n};\n\n/**\n * Set the jitter\n *\n * @api public\n */\n\nBackoff.prototype.setJitter = function(jitter){\n this.jitter = jitter;\n};\n\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/backo2/index.js\n// module id = 38\n// module chunks = 0"],"sourceRoot":""}
\ No newline at end of file
diff --git a/web/app/templates/corpora/corpus.html.j2 b/web/app/templates/corpora/corpus.html.j2
index f89b1a22..3efd0aa4 100644
--- a/web/app/templates/corpora/corpus.html.j2
+++ b/web/app/templates/corpora/corpus.html.j2
@@ -2,85 +2,93 @@
{% from '_colors.html.j2' import colors %}
{% set scheme_primary_color = colors.corpus_analysis_darken %}
-{% set scheme_secondary_color = colors.corpus_analysis %}
+{% set scheme_secondary_color = colors.corpus_analysis_lighten %}
+{% block main_attribs %} style="background-color: {{ scheme_secondary_color }};"{% endblock main_attribs %}
{% block nav_content %}
{% include 'corpora/_breadcrumbs.html.j2' %}
{% endblock nav_content %}
-{% block main_attribs %} class="corpus-analysis-color lighten"{% endblock main_attribs %}
-
{% block page_content %}
<div class="container">
<div class="row">
- <div class="col s12">
- <h1 id="title">{{ corpus.title }}</h1>
- <p id="description">{{ corpus.description }}</p>
- </div>
-
- <div class="col s12 m4">
- <span class="chip status white-text hide" id="status"></span>
- <div class="active preloader-wrapper small hide status-spinner" id="progress-indicator">
- <div class="spinner-layer spinner-blue-only">
- <div class="circle-clipper left">
- <div class="circle"></div>
- </div>
- <div class="gap-patch">
- <div class="circle"></div>
- </div>
- <div class="circle-clipper right">
- <div class="circle"></div>
+ <div class="col s12" data-corpus-id="{{ corpus.id }}" data-user-id="{{ corpus.creator.id }}" id="corpus-display">
+ <div class="row">
+ <div class="col s8 m9 l10">
+ <h1 id="title"><span class="corpus-title"></span></h1>
+ </div>
+ <div class="col s4 m3 l2 right-align">
+ <p> </p>
+ <p> </p>
+ <span class="chip status white-text"></span>
+ <div class="active preloader-wrapper small status-spinner">
+ <div class="spinner-layer spinner-blue-only">
+ <div class="circle-clipper left">
+ <div class="circle"></div>
+ </div>
+ <div class="gap-patch">
+ <div class="circle"></div>
+ </div>
+ <div class="circle-clipper right">
+ <div class="circle"></div>
+ </div>
+ </div>
</div>
</div>
</div>
- </div>
- <div class="col s12 m8">
<div class="card">
- <div class="card-content">
+ <div class="card-content" style="border-top: 10px solid {{ scheme_primary_color }}">
<span class="card-title">Chronometrics</span>
<div class="row">
<div class="col s12 m6">
<div class="input-field">
- <input disabled value="{{ corpus.creation_date.strftime('%d/%m/%Y, %H:%M:%S %p') }}" id="creation-date" type="text" class="validate">
- <label for="creation-date">Creation date</label>
+ <input class="corpus-creation-date validate" disabled id="corpus-creation-date" type="text">
+ <label for="corpus-creation-date">Creation date</label>
</div>
</div>
<div class="col s12 m6">
<div class="input-field">
- <input disabled value="{{ corpus.last_edited_date.strftime('%d/%m/%Y, %H:%M:%S %p') }}" id="last_edited_date" type="text" class="validate">
- <label for="creation-date">Last edited</label>
+ <input class="corpus-last-edited-date validate" disabled id="corpus-last-edited-date" type="text">
+ <label for="corpus-last-edited-date">Last edited</label>
</div>
</div>
<div class="col s12 m6">
<div class="input-field">
- <input disabled value="{{ corpus.current_nr_of_tokens }} / {{ corpus.max_nr_of_tokens }}" id="nr_of_tokens" type="text" class="validate">
- <label for="creation-date">Nr. of tokens used
- <i class="material-icons tooltipped" data-position="bottom" data-tooltip="Current number of tokens in this corpus. Updates after every analyze session.">help</i>
- </label>
+ <input class="corpus-token-ratio validate" disabled id="corpus-token-ratio" type="text">
+ <label for="corpus-token-ratio">Nr. of tokens used <sup><i class="material-icons tooltipped tiny" data-position="bottom" data-tooltip="Current number of tokens in this corpus. Updates after every analyze session.">help</i></sup></label>
</div>
</div>
</div>
</div>
<div class="card-action right-align">
- <a href="{{ url_for('corpora.analyse_corpus', corpus_id=corpus.id) }}" class="btn disabled hide waves-effect waves-light" id="analyze"><i class="material-icons left">search</i>Analyze</a>
- <a href="{{ url_for('corpora.prepare_corpus', corpus_id=corpus.id) }}" class="btn disabled hide waves-effect waves-light" id="build"><i class="material-icons left">build</i>Build</a>
- <a class="btn hide waves-effect waves-light download" id="corpus_create_zip"><i class="material-icons left">import_export</i>Export Corpus</a>
- <a data-target="delete-corpus-modal" class="btn modal-trigger red waves-effect waves-light"><i class="material-icons left">delete</i>Delete</a>
+ <a class="btn disabled hide waves-effect waves-light" href="{{ url_for('corpora.analyse_corpus', corpus_id=corpus.id) }}"><i class="material-icons left">search</i>Analyze</a>
+ <a class="btn disabled hide waves-effect waves-light" href="{{ url_for('corpora.prepare_corpus', corpus_id=corpus.id) }}"><i class="material-icons left">build</i>Build</a>
+ <a class="btn hide waves-effect waves-light" id="corpus-export"><i class="material-icons left">import_export</i>Export Corpus</a>
+ <a class="btn modal-trigger red waves-effect waves-light" data-target="delete-corpus-modal"><i class="material-icons left">delete</i>Delete</a>
</div>
</div>
- </div>
- <div class="col s12"></div>
+ <div id="delete-corpus-modal" class="modal">
+ <div class="modal-content">
+ <h4>Confirm corpus deletion</h4>
+ <p>Do you really want to delete the corpus <span class="corpus-title"></span>? All files will be permanently deleted!</p>
+ </div>
+ <div class="modal-footer">
+ <a class="btn modal-close waves-effect waves-light" href="#!">Cancel</a>
+ <a class="btn modal-close red waves-effect waves-light" href="{{ url_for('corpora.delete_corpus', corpus_id=corpus.id) }}"><i class="material-icons left">delete</i>Delete</a>
+ </div>
+ </div>
+ </div>
- <div class="col s12">
+ <div class="col s12" id="corpus-files" data-corpus-id="{{ corpus.id }}" data-user-id="{{ corpus.creator.id }}">
<div class="card">
- <div class="card-content" id="corpus-files" style="overflow: hidden;">
+ <div class="card-content">
<span class="card-title" id="files">Corpus files</span>
<div class="input-field">
<i class="material-icons prefix">search</i>
- <input id="search-results" class="search" type="search"></input>
- <label for="search-results">Search results</label>
+ <input class="search" id="search-corpus-files" type="search"></input>
+ <label for="search-corpus-files">Search corpus files</label>
</div>
<table class="highlight responsive-table">
<thead>
@@ -89,18 +97,10 @@
<th class="sort" data-sort="author">Author</th>
<th class="sort" data-sort="title">Title</th>
<th class="sort" data-sort="publishing-year">Publishing year</th>
- <th>{# Actions #}</th>
+ <th>Actions</th>
</tr>
</thead>
- <tbody class="list">
- {% if corpus_files|length == 0 %}
- <tr class="show-if-only-child">
- <td colspan="5">
- <span class="card-title"><i class="material-icons left">book</i>Nothing here...</span>
- <p>Corpus is empty. Add texts using the option below.</p>
- </td>
- </tr>
- {% endif %}
+ <tbody class="list"></tbody>
</table>
<ul class="pagination"></ul>
</div>
@@ -111,140 +111,14 @@
</div>
</div>
</div>
-
-<!-- Modals -->
-<div id="delete-corpus-modal" class="modal">
- <div class="modal-content">
- <h4>Confirm corpus deletion</h4>
- <p>Do you really want to delete the corpus {{ corpus.title }}? All files will be permanently deleted!</p>
- </div>
- <div class="modal-footer">
- <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
- <a href="{{ url_for('corpora.delete_corpus', corpus_id=corpus.id) }}" class="btn modal-close red waves-effect waves-light"><i class="material-icons left">delete</i>Delete</a>
- </div>
-</div>
{% endblock page_content %}
{% block scripts %}
{{ super() }}
-<script type="module">
-import {
- RessourceList
-} from '../../static/js/nopaque.lists.js';
-
-class InformationUpdater {
- constructor(corpusId, foreignCorpusFlag) {
- this.corpusId = corpusId;
- this.foreignCorpusFlag = foreignCorpusFlag;
-
- if (this.foreignCorpusFlag) {
- nopaque.foreignCorporaSubscribers.push(this);
- } else {
- nopaque.corporaSubscribers.push(this);
- }
- }
-
- _init() {
- let corpus;
-
- corpus = (this.foreignCorpusFlag ? nopaque.foreignUser.corpora[this.corpusId]
- : nopaque.user.corpora[this.corpusId]);
-
- // Status
- this.setStatus(corpus.status);
- }
-
- _update(patch) {
- let pathArray;
-
- for (let operation of patch) {
- /* "/corpora/{corpusId}/valueName" -> ["{corpusId}", ...] */
- pathArray = operation.path.split("/").slice(2);
- if (pathArray[0] != this.corpusId) {continue;}
- switch(operation.op) {
- case "add":
- location.reload();
- break;
- case "delete":
- location.reload();
- break;
- case "replace":
- if (pathArray[1] === "status") {
- this.setStatus(operation.value);
- }
- break;
- default:
- break;
- }
- }
- }
-
- setStatus(status) {
- let analyzeElement, buildElement, numFiles, progressIndicatorElement, statusElement;
-
- numFiles = Object.keys((this.foreignCorpusFlag ? nopaque.foreignUser.corpora[this.corpusId] : nopaque.user.corpora[this.corpusId]).files).length;
-
- progressIndicatorElement = document.getElementById("progress-indicator");
- if (["queued", "running", "start analysis", "stop analysis"].includes(status)) {
- progressIndicatorElement.classList.remove("hide");
- } else {
- progressIndicatorElement.classList.add("hide");
- }
-
- statusElement = document.getElementById("status");
- statusElement.dataset.status = status;
- statusElement.classList.remove("hide");
-
- analyzeElement = document.getElementById("analyze");
- if (["analysing", "prepared", "start analysis"].includes(status)) {
- analyzeElement.classList.remove("disabled", "hide");
- } else {
- analyzeElement.classList.add("disabled", "hide");
- }
-
- buildElement = document.getElementById("build");
- if (status === "unprepared" && numFiles > 0) {
- buildElement.classList.remove("disabled", "hide");
- } else {
- buildElement.classList.add("disabled", "hide");
- }
-
- let downloadBtn = document.querySelector('#corpus_create_zip');
- if (status === "prepared") {
- downloadBtn.classList.toggle('hide', false);
- } else {
- downloadBtn.classList.toggle('hide', true);
- }
- }
-}
-
-{% if corpus.creator == current_user %}
-var informationUpdater = new InformationUpdater({{ corpus.id }}, false);
-{% else %}
-var informationUpdater = new InformationUpdater({{ corpus.id }}, true);
-nopaque.socket.emit("foreign_user_data_stream_init", {{ corpus.user_id }});
-{% endif %}
-
-let corpusFilesList = new RessourceList("corpus-files", null, "CorpusFile");
-corpusFilesList._add({{ corpus_files|tojson|safe }});
-
-// Events to handle full corpus download
-let downloadBtn = document.querySelector('#corpus_create_zip');
-downloadBtn.addEventListener('click', () => {
- nopaque.flash('Compressing your corpus', 'corpus')
- nopaque.socket.emit('corpus_create_zip', {{ corpus.id }});
- downloadBtn.classList.toggle('disabled', true);
-});
-document.addEventListener('DOMContentLoaded', () => {
- nopaque.socket.on('corpus_zip_created', () => {
- nopaque.flash('Downloading your corpus', 'corpus');
- downloadBtn.classList.toggle('disabled', false);
- // Little trick to call the download view after ziping has finished
- let fakeBtn = document.createElement('a');
- fakeBtn.href = '{{ url_for('corpora.export_corpus',
- corpus_id=corpus.id) }}';
- fakeBtn.click();
- });
-});
+<script>
+ nopaque.appClient.loadUser({{ corpus.creator.id }});
+ let corpusDisplay = new CorpusDisplay(document.querySelector('#corpus-display'));
+ let corpusFileList = new CorpusFileList(document.querySelector('#corpus-files'));
+ //let jobInputList = new CorpusFileList(document.querySelector('#job-inputs'));
</script>
{% endblock scripts %}
diff --git a/web/app/templates/jobs/job.html.j2 b/web/app/templates/jobs/job.html.j2
index ed10d51d..d982c030 100644
--- a/web/app/templates/jobs/job.html.j2
+++ b/web/app/templates/jobs/job.html.j2
@@ -2,112 +2,132 @@
{% from '_colors.html.j2' import colors %}
{% if job.service == 'file-setup' %}
- {% set border_color = colors.file_setup_darken %}
- {% set main_class = 'file-setup-color lighten' %}
- {% set scheme_color = colors.file_setup_darken %}
+ {% set scheme_primary_color = colors.file_setup_darken %}
+ {% set scheme_secondary_color = colors.file_setup_lighten %}
{% elif job.service == 'nlp' %}
- {% set border_color = colors.nlp_darken %}
- {% set main_class = 'nlp-color lighten' %}
- {% set scheme_color = colors.nlp_darken %}
+ {% set scheme_primary_color = colors.nlp_darken %}
+ {% set scheme_secondary_color = colors.nlp_lighten %}
{% elif job.service == 'ocr' %}
- {% set border_color = colors.ocr_darken %}
- {% set main_class = 'ocr-color lighten' %}
- {% set scheme_color = colors.ocr_darken %}
+ {% set scheme_primary_color = colors.ocr_darken %}
+ {% set scheme_secondary_color = colors.ocr_lighten %}
{% endif %}
+{% block main_attribs %} style="background-color: {{ scheme_secondary_color }};"{% endblock main_attribs %}
{% block nav_content %}
{% include 'jobs/_breadcrumbs.html.j2' %}
{% endblock nav_content %}
-{% block main_attribs %} class="{{ main_class }}"{% endblock main_attribs %}
-
{% block page_content %}
<div class="container">
<div class="row">
- <div class="col s12">
- <h1>[{{ job.service }}] {{ job.title }}</h1>
- </div>
-
- <div class="col s12">
- <div class="card" style="border-top: 10px solid {{border_color}}">
- <div class="card-content">
- <div class="row">
- <div class="col s8 m9 l10">
- <span class="card-title title">{{ job.title }}</span>
- </div>
-
- <div class="col s4 m3 l2 right-align">
- <span class="chip status white-text"></span>
- <div class="active preloader-wrapper small status-spinner" id="progress-indicator">
- <div class="spinner-layer spinner-blue-only">
- <div class="circle-clipper left">
- <div class="circle"></div>
- </div>
- <div class="gap-patch">
- <div class="circle"></div>
- </div>
- <div class="circle-clipper right">
- <div class="circle"></div>
- </div>
- </div>
+ <div class="col s12" data-job-id="{{ job.id }}" data-user-id="{{ job.creator.id }}" id="job-display">
+ <div class="row">
+ <div class="col s8 m9 l10">
+ <h1 id="title">[<span class="job-service"></span>] <span class="job-title"></span></h1>
+ </div>
+ <div class="col s4 m3 l2 right-align">
+ <p> </p>
+ <p> </p>
+ <span class="chip status white-text"></span>
+ <div class="active preloader-wrapper small status-spinner">
+ <div class="spinner-layer spinner-blue-only">
+ <div class="circle-clipper left">
+ <div class="circle"></div>
+ </div>
+ <div class="gap-patch">
+ <div class="circle"></div>
+ </div>
+ <div class="circle-clipper right">
+ <div class="circle"></div>
</div>
</div>
+ </div>
+ </div>
+ </div>
+ <div class="card" style="border-top: 10px solid {{ scheme_primary_color }}">
+ <div class="card-content">
+ <div class="row">
<div class="col s12">
- <p class="description">{{ job.description }}</p>
+ <div class="input-field">
+ <input class="job-description" disabled id="job-description" type="text">
+ <label for="job-description">Description</label>
+ </div>
</div>
- <div class="col s12"> </div>
-
<div class="col s12 m6">
<div class="input-field">
- <input disabled id="creation-date" type="text" value="{{ job.creation_date.strftime('%d/%m/%Y, %H:%M:%S %p') }}">
- <label for="creation-date">Creation date</label>
+ <input class="job-creation-date" disabled id="job-creation-date" type="text">
+ <label for="job-creation-date">Creation date</label>
</div>
</div>
<div class="col s12 m6">
<div class="input-field">
- <input class="end-date" disabled id="end-date" type="text" value="">
- <label for="end-date">End date</label>
+ <input class="job-end-date" disabled id="job-end-date" type="text">
+ <label for="job-end-date">End date</label>
</div>
</div>
<div class="col s12 m4">
<div class="input-field">
- <input disabled id="service" type="text" value="{{ job.service }}">
- <label for="service">Service</label>
+ <input class="job-service" disabled id="job-service" type="text">
+ <label for="job-service">Service</label>
</div>
</div>
<div class="col s12 m4">
<div class="input-field">
- <input disabled id="service-args" type="text" value="{{ job.service_args|e }}">
- <label for="service-args">Service arguments</label>
+ <input class="job-service-args" disabled id="job-service-args" type="text">
+ <label for="job-service-args">Service arguments</label>
</div>
</div>
<div class="col s12 m4">
<div class="input-field">
- <input disabled id="service-version" type="text" value="{{ job.service_version }}">
- <label for="service-version">Service version</label>
+ <input class="job-service-version" disabled id="job-service-version" type="text">
+ <label for="job-service-version">Service version</label>
</div>
</div>
</div>
</div>
<div class="card-action right-align">
- {% if current_user.is_administrator() and job.status == 'failed' %}
- <a href="{{ url_for('jobs.restart', job_id=job.id) }}" class="btn waves-effect waves-light"><i class="material-icons left">repeat</i>Restart</a>
+ {% if current_user.is_administrator() %}
+ <a class="btn hide modal-trigger restart-job-trigger waves-effect waves-light" data-target="restart-job-modal"><i class="material-icons left">repeat</i>Restart</a>
{% endif %}
<!-- <a href="#" class="btn disabled waves-effect waves-light"><i class="material-icons left">settings</i>Export Parameters</a> -->
- <a data-target="delete-job-modal" class="waves-effect waves-light btn red modal-trigger"><i class="material-icons left">delete</i>Delete</a>
+ <a class="btn modal-trigger red waves-effect waves-light" data-target="delete-job-modal"><i class="material-icons left">delete</i>Delete</a>
+ </div>
+ </div>
+
+ <div id="delete-job-modal" class="modal">
+ <div class="modal-content">
+ <h4>Confirm deletion</h4>
+ <p>Do you really want to delete the job <span class="job-title"></span>? All associated files will be permanently deleted.</p>
+ </div>
+ <div class="modal-footer">
+ <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
+ <a class="btn modal-close red waves-effect waves-light" href="{{ url_for('jobs.delete_job', job_id=job.id) }}"><i class="material-icons left">delete</i>Delete</a>
</div>
</div>
+
+ {% if current_user.is_administrator() %}
+ <div id="restart-job-modal" class="modal">
+ <div class="modal-content">
+ <h4>Confirm restart</h4>
+ <p>Do you really want to restart the job <span class="job-title"></span>? All log and result files will be permanently deleted.</p>
+ </div>
+ <div class="modal-footer">
+ <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
+ <a class="btn modal-close red waves-effect waves-light" href="{{ url_for('jobs.restart', job_id=job.id) }}"><i class="material-icons left">restart</i>Restart</a>
+ </div>
+ </div>
+ {% endif %}
</div>
- <div class="col s12">
+ <div class="col s12" id="job-inputs" data-job-id="{{ job.id }}" data-user-id="{{ job.creator.id }}">
<div class="card">
- <div class="card-content" id="inputs">
+ <div class="card-content">
<div class="row">
<div class="col s12 m2">
<span class="card-title"><i class="left material-icons" style="font-size: inherit;">input</i>Inputs</span>
@@ -118,11 +138,10 @@
<thead>
<tr>
<th class="sort" data-sort="filename">Filename</th>
- <th>{# Actions #}</th>
+ <th>Actions</th>
</tr>
</thead>
- <tbody class="list">
- </tbody>
+ <tbody class="list"></tbody>
</table>
<ul class="pagination"></ul>
</div>
@@ -131,7 +150,7 @@
</div>
</div>
- <div class="col s12">
+ <div class="col s12" id="job-results" data-job-id="{{ job.id }}" data-user-id="{{ job.creator.id }}">
<div class="card">
<div class="card-content">
<div class="row">
@@ -143,24 +162,14 @@
<table class="highlight responsive-table">
<thead>
<tr>
- <th>Result Type</th>
- <th>Archive Name</th>
- <th>{# Actions #}</th>
+ <th>Description</th>
+ <th>Filename</th>
+ <th>Actions</th>
</tr>
</thead>
- <tbody class="results">
- <tr class="show-if-only-child">
- <td colspan="3">
- <span class="card-title">
- <i class="left material-icons" style="font-size: inherit;">file_download</i>Nothing here...
- </span>
- <p>
- No results available (yet). Is the job already completed?
- </p>
- </td>
- </tr>
- </tbody>
+ <tbody class="list"></tbody>
</table>
+ <ul class="pagination"></ul>
</div>
</div>
</div>
@@ -168,158 +177,14 @@
</div>
</div>
</div>
-
-<!-- Modals -->
-<div id="delete-job-modal" class="modal">
- <div class="modal-content">
- <h4>Confirm deletion</h4>
- <p>Do you really want to delete the job {{ job.title }}? All associated files will be permanently deleted.</p>
- </div>
- <div class="modal-footer">
- <a href="#!" class="btn modal-close waves-effect waves-light">Cancel</a>
- <a class="btn modal-close red waves-effect waves-light" href="{{ url_for('jobs.delete_job', job_id=job.id) }}"><i class="material-icons left">delete</i>Delete</a>
- </div>
-</div>
{% endblock page_content %}
{% block scripts %}
{{ super() }}
-<script type="module">
-import {RessourceList} from '../../static/js/nopaque.lists.js';
-class InformationUpdater {
- constructor(jobId, foreignJobFlag) {
- this.jobId = jobId;
- this.foreignJobFlag = foreignJobFlag;
-
- if (this.foreignJobFlag) {
- nopaque.foreignJobsSubscribers.push(this);
- } else {
- nopaque.jobsSubscribers.push(this);
- }
- }
-
- _init() {
- let job;
-
- job = (this.foreignJobFlag ? nopaque.foreignUser.jobs[this.jobId]
- : nopaque.user.jobs[this.jobId]);
- // Results
- this.addResults(job.results);
- // End date
- this.setEndDate(job.end_date);
- // Status
- this.setStatus(job.status);
- }
-
- _update(patch) {
- let pathArray;
-
- for (let operation of patch) {
- /* "/jobs/{jobId}/..." -> ["{jobId}", ...] */
- pathArray = operation.path.split("/").slice(2);
- if (pathArray[0] != this.jobId) {continue;}
- switch(operation.op) {
- case "add":
- if (pathArray[1] === "results") {
- this.addResults([operation.value]);
- }
- break;
- case "delete":
- location.reload();
- break;
- case "replace":
- if (pathArray[1] === "end_date") {
- this.setEndDate(operation.value);
- } else if (pathArray[1] === "status") {
- this.setStatus(operation.value);
- }
- break;
- default:
- break;
- }
- }
- }
-
- addResults(results) {
- let resultsArray, resultsElements, resultsHTML, resultType;
- resultsArray = Object.values(results);
- resultsArray.sort(function (a, b) {
- if (a.filename < b.filename) {return -1;}
- if (a.filename > b.filename) {return 1;}
- return 0;
- });
- resultsHTML = ``;
- for (let result of resultsArray) {
- if (result.filename.endsWith(".pdf.zip")) {
- resultType = "PDF file with text layer";
- } else if (result.filename.endsWith(".txt.zip")) {
- resultType = "Raw text files";
- } else if (result.filename.endsWith(".vrt.zip")) {
- resultType = "VRT(XML dialect) files holding the NLP data";
- } else if (result.filename.endsWith(".xml.zip")) {
- resultType = "XML files";
- } else if (result.filename.endsWith(".poco.zip")) {
- resultType = "HCOR und image files needed for Post correction(PoCo)";
- } else {
- resultType = "All result files created during this job";
- }
- resultsHTML += `
- <tr>
- <td>${resultType}</td>
- <td>${result.filename}</td>
- <td class="right-align">
- <a class="btn-floating tooltipped waves-effect waves-light"
- download href="/jobs/${result.job_id}/results/${result.id}/download"
- data-position="top"
- data-tooltip="Download">
- <i class="material-icons">file_download</i>
- </a>
- </td>
- </tr>
- `;
- };
- resultsHTML += `
- </tbody>
- </table>
- `;
- resultsElements = document.querySelectorAll(".results");
- for (let resultsElement of resultsElements) {
- resultsElement.innerHTML += resultsHTML;
- }
- }
-
- setEndDate(timestamp) {
- let endDate;
-
- if (timestamp === null) {
- endDate = "N.a.";
- } else {
- endDate = new Date(timestamp * 1000).toLocaleString("en-US");
- }
- document.getElementById("end-date").value = endDate;
- M.updateTextFields();
- }
-
- setStatus(status) {
- let progressIndicator, statusElements;
- if (status === "complete" || status === "failed") {
- progressIndicator = document.getElementById("progress-indicator");
- progressIndicator.classList.add("hide");
- }
- statusElements = document.querySelectorAll(".status");
- for (let statusElement of statusElements) {
- statusElement.dataset.status = status;
- }
- }
-}
-
-{% if job.creator == current_user %}
-var informationUpdater = new InformationUpdater({{ job.id }}, false);
-{% else %}
-var informationUpdater = new InformationUpdater({{ job.id }}, true);
-nopaque.socket.emit("foreign_user_data_stream_init", {{ job.user_id }});
-{% endif %}
-let jobInputsList = new RessourceList("inputs", null, "JobInput");
-jobInputsList._add({{ job_inputs|tojson|safe }});
+<script>
+ nopaque.appClient.loadUser({{ job.creator.id }});
+ let jobDisplay = new JobDisplay(document.querySelector('#job-display'));
+ let jobInputList = new JobInputList(document.querySelector('#job-inputs'));
+ let jobResultList = new JobResultList(document.querySelector('#job-results'));
</script>
{% endblock scripts %}
diff --git a/web/app/templates/nopaque.html.j2 b/web/app/templates/nopaque.html.j2
index 804e8776..a5bd988b 100644
--- a/web/app/templates/nopaque.html.j2
+++ b/web/app/templates/nopaque.html.j2
@@ -252,9 +252,10 @@
{% endif %}
<script src="{{ url_for('static', filename='js/jsonpatch.min.js') }}"></script>
<script src="{{ url_for('static', filename='js/list.min.js') }}"></script>
-<script src="{{ url_for('static', filename='js/socket.io.slim.js') }}"></script>
-<script src="{{ url_for('static', filename='js/nopaque.js') }}"></script>
-<script src="{{ url_for('static', filename='js/nopaque.lists.js') }}"></script>
+<script src="{{ url_for('static', filename='js/socket.io.min.js') }}"></script>
+<script src="{{ url_for('static', filename='js/nopaque/index.js') }}"></script>
+<script src="{{ url_for('static', filename='js/nopaque/RessourceDisplays.js') }}"></script>
+<script src="{{ url_for('static', filename='js/nopaque/RessorceLists.js') }}"></script>
<script>
// Disable all option elements with no value
for (let optionElement of document.querySelectorAll('option[value=""]')) {optionElement.disabled = true;}
diff --git a/web/requirements.txt b/web/requirements.txt
index a47ebf8c..e1faf1c5 100644
--- a/web/requirements.txt
+++ b/web/requirements.txt
@@ -1,5 +1,4 @@
cqi
-dnspython==1.16.0
docker
eventlet
Flask
@@ -7,7 +6,7 @@ Flask-Login
Flask-Mail
Flask-Migrate
Flask-Paranoid
-Flask-SocketIO
+Flask-SocketIO~=5.0.0
Flask-SQLAlchemy
Flask-WTF
jsonpatch
--
GitLab