linx-sdk/dist/index.b71e74eb.js

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// modules are defined as an array
// [ module function, map of requires ]
//
// map of requires is short require name -> numeric require
//
// anything defined in a previous bundle is accessed via the
// orig method which is the require for previous bundles
(function (modules, entry, mainEntry, parcelRequireName, globalName) {
/* eslint-disable no-undef */
var globalObject =
typeof globalThis !== 'undefined'
? globalThis
: typeof self !== 'undefined'
? self
: typeof window !== 'undefined'
? window
: typeof global !== 'undefined'
? global
: {};
/* eslint-enable no-undef */
// Save the require from previous bundle to this closure if any
var previousRequire =
typeof globalObject[parcelRequireName] === 'function' &&
globalObject[parcelRequireName];
var cache = previousRequire.cache || {};
// Do not use `require` to prevent Webpack from trying to bundle this call
var nodeRequire =
typeof module !== 'undefined' &&
typeof module.require === 'function' &&
module.require.bind(module);
function newRequire(name, jumped) {
if (!cache[name]) {
if (!modules[name]) {
// if we cannot find the module within our internal map or
// cache jump to the current global require ie. the last bundle
// that was added to the page.
var currentRequire =
typeof globalObject[parcelRequireName] === 'function' &&
globalObject[parcelRequireName];
if (!jumped && currentRequire) {
return currentRequire(name, true);
}
// If there are other bundles on this page the require from the
// previous one is saved to 'previousRequire'. Repeat this as
// many times as there are bundles until the module is found or
// we exhaust the require chain.
if (previousRequire) {
return previousRequire(name, true);
}
// Try the node require function if it exists.
if (nodeRequire && typeof name === 'string') {
return nodeRequire(name);
}
var err = new Error("Cannot find module '" + name + "'");
err.code = 'MODULE_NOT_FOUND';
throw err;
}
localRequire.resolve = resolve;
localRequire.cache = {};
var module = (cache[name] = new newRequire.Module(name));
modules[name][0].call(
module.exports,
localRequire,
module,
module.exports,
this
);
}
return cache[name].exports;
function localRequire(x) {
var res = localRequire.resolve(x);
return res === false ? {} : newRequire(res);
}
function resolve(x) {
var id = modules[name][1][x];
return id != null ? id : x;
}
}
function Module(moduleName) {
this.id = moduleName;
this.bundle = newRequire;
this.exports = {};
}
newRequire.isParcelRequire = true;
newRequire.Module = Module;
newRequire.modules = modules;
newRequire.cache = cache;
newRequire.parent = previousRequire;
newRequire.register = function (id, exports) {
modules[id] = [
function (require, module) {
module.exports = exports;
},
{},
];
};
Object.defineProperty(newRequire, 'root', {
get: function () {
return globalObject[parcelRequireName];
},
});
globalObject[parcelRequireName] = newRequire;
for (var i = 0; i < entry.length; i++) {
newRequire(entry[i]);
}
if (mainEntry) {
// Expose entry point to Node, AMD or browser globals
// Based on https://github.com/ForbesLindesay/umd/blob/master/template.js
var mainExports = newRequire(mainEntry);
// CommonJS
if (typeof exports === 'object' && typeof module !== 'undefined') {
module.exports = mainExports;
// RequireJS
} else if (typeof define === 'function' && define.amd) {
define(function () {
return mainExports;
});
// <script>
} else if (globalName) {
this[globalName] = mainExports;
}
}
})({"gmPuC":[function(require,module,exports) {
var global = arguments[3];
var HMR_HOST = null;
var HMR_PORT = null;
var HMR_SECURE = false;
var HMR_ENV_HASH = "d6ea1d42532a7575";
module.bundle.HMR_BUNDLE_ID = "5c1b77e3b71e74eb";
"use strict";
/* global HMR_HOST, HMR_PORT, HMR_ENV_HASH, HMR_SECURE, chrome, browser, __parcel__import__, __parcel__importScripts__, ServiceWorkerGlobalScope */ /*::
import type {
HMRAsset,
HMRMessage,
} from '@parcel/reporter-dev-server/src/HMRServer.js';
interface ParcelRequire {
(string): mixed;
cache: {|[string]: ParcelModule|};
hotData: {|[string]: mixed|};
Module: any;
parent: ?ParcelRequire;
isParcelRequire: true;
modules: {|[string]: [Function, {|[string]: string|}]|};
HMR_BUNDLE_ID: string;
root: ParcelRequire;
}
interface ParcelModule {
hot: {|
data: mixed,
accept(cb: (Function) => void): void,
dispose(cb: (mixed) => void): void,
// accept(deps: Array<string> | string, cb: (Function) => void): void,
// decline(): void,
_acceptCallbacks: Array<(Function) => void>,
_disposeCallbacks: Array<(mixed) => void>,
|};
}
interface ExtensionContext {
runtime: {|
reload(): void,
getURL(url: string): string;
getManifest(): {manifest_version: number, ...};
|};
}
declare var module: {bundle: ParcelRequire, ...};
declare var HMR_HOST: string;
declare var HMR_PORT: string;
declare var HMR_ENV_HASH: string;
declare var HMR_SECURE: boolean;
declare var chrome: ExtensionContext;
declare var browser: ExtensionContext;
declare var __parcel__import__: (string) => Promise<void>;
declare var __parcel__importScripts__: (string) => Promise<void>;
declare var globalThis: typeof self;
declare var ServiceWorkerGlobalScope: Object;
*/ var OVERLAY_ID = "__parcel__error__overlay__";
var OldModule = module.bundle.Module;
function Module(moduleName) {
OldModule.call(this, moduleName);
this.hot = {
data: module.bundle.hotData[moduleName],
_acceptCallbacks: [],
_disposeCallbacks: [],
accept: function(fn) {
this._acceptCallbacks.push(fn || function() {});
},
dispose: function(fn) {
this._disposeCallbacks.push(fn);
}
};
module.bundle.hotData[moduleName] = undefined;
}
module.bundle.Module = Module;
module.bundle.hotData = {};
var checkedAssets /*: {|[string]: boolean|} */ , assetsToDispose /*: Array<[ParcelRequire, string]> */ , assetsToAccept /*: Array<[ParcelRequire, string]> */ ;
function getHostname() {
return HMR_HOST || (location.protocol.indexOf("http") === 0 ? location.hostname : "localhost");
}
function getPort() {
return HMR_PORT || location.port;
}
// eslint-disable-next-line no-redeclare
var parent = module.bundle.parent;
if ((!parent || !parent.isParcelRequire) && typeof WebSocket !== "undefined") {
var hostname = getHostname();
var port = getPort();
var protocol = HMR_SECURE || location.protocol == "https:" && !/localhost|127.0.0.1|0.0.0.0/.test(hostname) ? "wss" : "ws";
var ws;
try {
ws = new WebSocket(protocol + "://" + hostname + (port ? ":" + port : "") + "/");
} catch (err) {
if (err.message) console.error(err.message);
ws = {};
}
// Web extension context
var extCtx = typeof browser === "undefined" ? typeof chrome === "undefined" ? null : chrome : browser;
// Safari doesn't support sourceURL in error stacks.
// eval may also be disabled via CSP, so do a quick check.
var supportsSourceURL = false;
try {
(0, eval)('throw new Error("test"); //# sourceURL=test.js');
} catch (err) {
supportsSourceURL = err.stack.includes("test.js");
}
// $FlowFixMe
ws.onmessage = async function(event /*: {data: string, ...} */ ) {
checkedAssets = {} /*: {|[string]: boolean|} */ ;
assetsToAccept = [];
assetsToDispose = [];
var data /*: HMRMessage */ = JSON.parse(event.data);
if (data.type === "update") {
// Remove error overlay if there is one
if (typeof document !== "undefined") removeErrorOverlay();
let assets = data.assets.filter((asset)=>asset.envHash === HMR_ENV_HASH);
// Handle HMR Update
let handled = assets.every((asset)=>{
return asset.type === "css" || asset.type === "js" && hmrAcceptCheck(module.bundle.root, asset.id, asset.depsByBundle);
});
if (handled) {
console.clear();
// Dispatch custom event so other runtimes (e.g React Refresh) are aware.
if (typeof window !== "undefined" && typeof CustomEvent !== "undefined") window.dispatchEvent(new CustomEvent("parcelhmraccept"));
await hmrApplyUpdates(assets);
// Dispose all old assets.
let processedAssets = {} /*: {|[string]: boolean|} */ ;
for(let i = 0; i < assetsToDispose.length; i++){
let id = assetsToDispose[i][1];
if (!processedAssets[id]) {
hmrDispose(assetsToDispose[i][0], id);
processedAssets[id] = true;
}
}
// Run accept callbacks. This will also re-execute other disposed assets in topological order.
processedAssets = {};
for(let i = 0; i < assetsToAccept.length; i++){
let id = assetsToAccept[i][1];
if (!processedAssets[id]) {
hmrAccept(assetsToAccept[i][0], id);
processedAssets[id] = true;
}
}
} else fullReload();
}
if (data.type === "error") {
// Log parcel errors to console
for (let ansiDiagnostic of data.diagnostics.ansi){
let stack = ansiDiagnostic.codeframe ? ansiDiagnostic.codeframe : ansiDiagnostic.stack;
console.error("\uD83D\uDEA8 [parcel]: " + ansiDiagnostic.message + "\n" + stack + "\n\n" + ansiDiagnostic.hints.join("\n"));
}
if (typeof document !== "undefined") {
// Render the fancy html overlay
removeErrorOverlay();
var overlay = createErrorOverlay(data.diagnostics.html);
// $FlowFixMe
document.body.appendChild(overlay);
}
}
};
ws.onerror = function(e) {
if (e.message) console.error(e.message);
};
ws.onclose = function() {
console.warn("[parcel] \uD83D\uDEA8 Connection to the HMR server was lost");
};
}
function removeErrorOverlay() {
var overlay = document.getElementById(OVERLAY_ID);
if (overlay) {
overlay.remove();
console.log("[parcel] \u2728 Error resolved");
}
}
function createErrorOverlay(diagnostics) {
var overlay = document.createElement("div");
overlay.id = OVERLAY_ID;
let errorHTML = '<div style="background: black; opacity: 0.85; font-size: 16px; color: white; position: fixed; height: 100%; width: 100%; top: 0px; left: 0px; padding: 30px; font-family: Menlo, Consolas, monospace; z-index: 9999;">';
for (let diagnostic of diagnostics){
let stack = diagnostic.frames.length ? diagnostic.frames.reduce((p, frame)=>{
return `${p}
<a href="/__parcel_launch_editor?file=${encodeURIComponent(frame.location)}" style="text-decoration: underline; color: #888" onclick="fetch(this.href); return false">${frame.location}</a>
${frame.code}`;
}, "") : diagnostic.stack;
errorHTML += `
<div>
<div style="font-size: 18px; font-weight: bold; margin-top: 20px;">
\u{1F6A8} ${diagnostic.message}
</div>
<pre>${stack}</pre>
<div>
${diagnostic.hints.map((hint)=>"<div>\uD83D\uDCA1 " + hint + "</div>").join("")}
</div>
${diagnostic.documentation ? `<div>\u{1F4DD} <a style="color: violet" href="${diagnostic.documentation}" target="_blank">Learn more</a></div>` : ""}
</div>
`;
}
errorHTML += "</div>";
overlay.innerHTML = errorHTML;
return overlay;
}
function fullReload() {
if ("reload" in location) location.reload();
else if (extCtx && extCtx.runtime && extCtx.runtime.reload) extCtx.runtime.reload();
}
function getParents(bundle, id) /*: Array<[ParcelRequire, string]> */ {
var modules = bundle.modules;
if (!modules) return [];
var parents = [];
var k, d, dep;
for(k in modules)for(d in modules[k][1]){
dep = modules[k][1][d];
if (dep === id || Array.isArray(dep) && dep[dep.length - 1] === id) parents.push([
bundle,
k
]);
}
if (bundle.parent) parents = parents.concat(getParents(bundle.parent, id));
return parents;
}
function updateLink(link) {
var href = link.getAttribute("href");
if (!href) return;
var newLink = link.cloneNode();
newLink.onload = function() {
if (link.parentNode !== null) // $FlowFixMe
link.parentNode.removeChild(link);
};
newLink.setAttribute("href", // $FlowFixMe
href.split("?")[0] + "?" + Date.now());
// $FlowFixMe
link.parentNode.insertBefore(newLink, link.nextSibling);
}
var cssTimeout = null;
function reloadCSS() {
if (cssTimeout) return;
cssTimeout = setTimeout(function() {
var links = document.querySelectorAll('link[rel="stylesheet"]');
for(var i = 0; i < links.length; i++){
// $FlowFixMe[incompatible-type]
var href /*: string */ = links[i].getAttribute("href");
var hostname = getHostname();
var servedFromHMRServer = hostname === "localhost" ? new RegExp("^(https?:\\/\\/(0.0.0.0|127.0.0.1)|localhost):" + getPort()).test(href) : href.indexOf(hostname + ":" + getPort());
var absolute = /^https?:\/\//i.test(href) && href.indexOf(location.origin) !== 0 && !servedFromHMRServer;
if (!absolute) updateLink(links[i]);
}
cssTimeout = null;
}, 50);
}
function hmrDownload(asset) {
if (asset.type === "js") {
if (typeof document !== "undefined") {
let script = document.createElement("script");
script.src = asset.url + "?t=" + Date.now();
if (asset.outputFormat === "esmodule") script.type = "module";
return new Promise((resolve, reject)=>{
var _document$head;
script.onload = ()=>resolve(script);
script.onerror = reject;
(_document$head = document.head) === null || _document$head === void 0 || _document$head.appendChild(script);
});
} else if (typeof importScripts === "function") {
// Worker scripts
if (asset.outputFormat === "esmodule") return import(asset.url + "?t=" + Date.now());
else return new Promise((resolve, reject)=>{
try {
importScripts(asset.url + "?t=" + Date.now());
resolve();
} catch (err) {
reject(err);
}
});
}
}
}
async function hmrApplyUpdates(assets) {
global.parcelHotUpdate = Object.create(null);
let scriptsToRemove;
try {
// If sourceURL comments aren't supported in eval, we need to load
// the update from the dev server over HTTP so that stack traces
// are correct in errors/logs. This is much slower than eval, so
// we only do it if needed (currently just Safari).
// https://bugs.webkit.org/show_bug.cgi?id=137297
// This path is also taken if a CSP disallows eval.
if (!supportsSourceURL) {
let promises = assets.map((asset)=>{
var _hmrDownload;
return (_hmrDownload = hmrDownload(asset)) === null || _hmrDownload === void 0 ? void 0 : _hmrDownload.catch((err)=>{
// Web extension fix
if (extCtx && extCtx.runtime && extCtx.runtime.getManifest().manifest_version == 3 && typeof ServiceWorkerGlobalScope != "undefined" && global instanceof ServiceWorkerGlobalScope) {
extCtx.runtime.reload();
return;
}
throw err;
});
});
scriptsToRemove = await Promise.all(promises);
}
assets.forEach(function(asset) {
hmrApply(module.bundle.root, asset);
});
} finally{
delete global.parcelHotUpdate;
if (scriptsToRemove) scriptsToRemove.forEach((script)=>{
if (script) {
var _document$head2;
(_document$head2 = document.head) === null || _document$head2 === void 0 || _document$head2.removeChild(script);
}
});
}
}
function hmrApply(bundle /*: ParcelRequire */ , asset /*: HMRAsset */ ) {
var modules = bundle.modules;
if (!modules) return;
if (asset.type === "css") reloadCSS();
else if (asset.type === "js") {
let deps = asset.depsByBundle[bundle.HMR_BUNDLE_ID];
if (deps) {
if (modules[asset.id]) {
// Remove dependencies that are removed and will become orphaned.
// This is necessary so that if the asset is added back again, the cache is gone, and we prevent a full page reload.
let oldDeps = modules[asset.id][1];
for(let dep in oldDeps)if (!deps[dep] || deps[dep] !== oldDeps[dep]) {
let id = oldDeps[dep];
let parents = getParents(module.bundle.root, id);
if (parents.length === 1) hmrDelete(module.bundle.root, id);
}
}
if (supportsSourceURL) // Global eval. We would use `new Function` here but browser
// support for source maps is better with eval.
(0, eval)(asset.output);
// $FlowFixMe
let fn = global.parcelHotUpdate[asset.id];
modules[asset.id] = [
fn,
deps
];
} else if (bundle.parent) hmrApply(bundle.parent, asset);
}
}
function hmrDelete(bundle, id) {
let modules = bundle.modules;
if (!modules) return;
if (modules[id]) {
// Collect dependencies that will become orphaned when this module is deleted.
let deps = modules[id][1];
let orphans = [];
for(let dep in deps){
let parents = getParents(module.bundle.root, deps[dep]);
if (parents.length === 1) orphans.push(deps[dep]);
}
// Delete the module. This must be done before deleting dependencies in case of circular dependencies.
delete modules[id];
delete bundle.cache[id];
// Now delete the orphans.
orphans.forEach((id)=>{
hmrDelete(module.bundle.root, id);
});
} else if (bundle.parent) hmrDelete(bundle.parent, id);
}
function hmrAcceptCheck(bundle /*: ParcelRequire */ , id /*: string */ , depsByBundle /*: ?{ [string]: { [string]: string } }*/ ) {
if (hmrAcceptCheckOne(bundle, id, depsByBundle)) return true;
// Traverse parents breadth first. All possible ancestries must accept the HMR update, or we'll reload.
let parents = getParents(module.bundle.root, id);
let accepted = false;
while(parents.length > 0){
let v = parents.shift();
let a = hmrAcceptCheckOne(v[0], v[1], null);
if (a) // If this parent accepts, stop traversing upward, but still consider siblings.
accepted = true;
else {
// Otherwise, queue the parents in the next level upward.
let p = getParents(module.bundle.root, v[1]);
if (p.length === 0) {
// If there are no parents, then we've reached an entry without accepting. Reload.
accepted = false;
break;
}
parents.push(...p);
}
}
return accepted;
}
function hmrAcceptCheckOne(bundle /*: ParcelRequire */ , id /*: string */ , depsByBundle /*: ?{ [string]: { [string]: string } }*/ ) {
var modules = bundle.modules;
if (!modules) return;
if (depsByBundle && !depsByBundle[bundle.HMR_BUNDLE_ID]) {
// If we reached the root bundle without finding where the asset should go,
// there's nothing to do. Mark as "accepted" so we don't reload the page.
if (!bundle.parent) return true;
return hmrAcceptCheck(bundle.parent, id, depsByBundle);
}
if (checkedAssets[id]) return true;
checkedAssets[id] = true;
var cached = bundle.cache[id];
assetsToDispose.push([
bundle,
id
]);
if (!cached || cached.hot && cached.hot._acceptCallbacks.length) {
assetsToAccept.push([
bundle,
id
]);
return true;
}
}
function hmrDispose(bundle /*: ParcelRequire */ , id /*: string */ ) {
var cached = bundle.cache[id];
bundle.hotData[id] = {};
if (cached && cached.hot) cached.hot.data = bundle.hotData[id];
if (cached && cached.hot && cached.hot._disposeCallbacks.length) cached.hot._disposeCallbacks.forEach(function(cb) {
cb(bundle.hotData[id]);
});
delete bundle.cache[id];
}
function hmrAccept(bundle /*: ParcelRequire */ , id /*: string */ ) {
// Execute the module.
bundle(id);
// Run the accept callbacks in the new version of the module.
var cached = bundle.cache[id];
if (cached && cached.hot && cached.hot._acceptCallbacks.length) cached.hot._acceptCallbacks.forEach(function(cb) {
var assetsToAlsoAccept = cb(function() {
return getParents(module.bundle.root, id);
});
if (assetsToAlsoAccept && assetsToAccept.length) {
assetsToAlsoAccept.forEach(function(a) {
hmrDispose(a[0], a[1]);
});
// $FlowFixMe[method-unbinding]
assetsToAccept.push.apply(assetsToAccept, assetsToAlsoAccept);
}
});
}
},{}],"h7u1C":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
var _linxSdkModule = require("./linx-sdk-module");
var _linxSdkModuleDefault = parcelHelpers.interopDefault(_linxSdkModule);
// @ts-ignore
async function start() {
const linxSdk = new (0, _linxSdkModuleDefault.default)("24630a02-331d-4b67-993d-9590cd37093f", "https://dev.linx.safemobile.com");
await linxSdk.init("AIRWizard-sergiu", "Safemobile123");
linxSdk.establishWsConnection();
}
start();
},{"./linx-sdk-module":"5NPnF","@parcel/transformer-js/src/esmodule-helpers.js":"gkKU3"}],"5NPnF":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
parcelHelpers.defineInteropFlag(exports);
var _models = require("./models");
var _utils = require("./utils");
var _utilsDefault = parcelHelpers.interopDefault(_utils);
var _socketIoClient = require("socket.io-client");
var _socketIoClientDefault = parcelHelpers.interopDefault(_socketIoClient);
class LinxSdkModule {
constructor(apiKey, host){
this.utils = new (0, _utilsDefault.default)(host);
}
async init(user, password) {
try {
const login = await this.utils.request((0, _models.Method).POST, (0, _models.Route).LOGIN, {
login: user,
password: password
});
if (!login.success) {
(0, _utilsDefault.default).log("Failed to initialize SDK", (0, _models.LogLevel).ERROR);
return false;
} else {
this.user = login.data;
(0, _utilsDefault.default).log("The SDK initialized successfully");
this.getGroups();
return true;
}
} catch (err) {
(0, _utilsDefault.default).log(JSON.stringify(err.message), (0, _models.LogLevel).ERROR);
return false;
}
}
establishWsConnection() {
const hubAddress = this.user.account.configuration.hub_address;
this.socket = (0, _socketIoClientDefault.default)(hubAddress, {
rejectUnauthorized: false,
secure: true
});
this.socket.on("connect", ()=>{
this.sendArs(true);
(0, _utilsDefault.default).log("The connection with the WS server was successfully established");
});
[
"connect_timeout",
"connect_error",
"disconnect"
].forEach((handler)=>{
this.socket.on(handler, (message)=>{
(0, _utilsDefault.default).log(message, (0, _models.LogLevel).ERROR);
});
});
}
sendArs(ars) {
this.socket.emit("ars", JSON.stringify({
ars,
userAgent: "Dispatcher",
asset_id: this.user.asset.id,
account_id: this.user.account.id,
asset_sip_id: this.user.asset.sip_id,
fake: false
}));
}
sendGroupMonitoring() {
const monitoringObject = {
asset_alias: this.user.asset.name,
asset_id: this.user.asset.id,
asset_sip_id: this.user.asset.sip_id,
group_id: 1,
group_sip_id: 100190001,
request_ptt_groups_status: false,
scan_group_ids: []
};
this.socket.emit("group-monitoring", JSON.stringify(monitoringObject));
}
async getGroups() {
const getGroupsRoute = (0, _models.Route).GROUPS.replace("$1", this.user.account.id.toString());
const groups = await this.utils.request((0, _models.Method).GET, getGroupsRoute);
console.log("groups", groups);
}
}
exports.default = LinxSdkModule;
},{"@parcel/transformer-js/src/esmodule-helpers.js":"gkKU3","./utils":"5dFnk","./models":"lidte","socket.io-client":"c56j9"}],"gkKU3":[function(require,module,exports) {
exports.interopDefault = function(a) {
return a && a.__esModule ? a : {
default: a
};
};
exports.defineInteropFlag = function(a) {
Object.defineProperty(a, "__esModule", {
value: true
});
};
exports.exportAll = function(source, dest) {
Object.keys(source).forEach(function(key) {
if (key === "default" || key === "__esModule" || dest.hasOwnProperty(key)) return;
Object.defineProperty(dest, key, {
enumerable: true,
get: function() {
return source[key];
}
});
});
return dest;
};
exports.export = function(dest, destName, get) {
Object.defineProperty(dest, destName, {
enumerable: true,
get: get
});
};
},{}],"5dFnk":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
parcelHelpers.defineInteropFlag(exports);
var _models = require("./models");
class Utils {
constructor(host){
this.host = host;
}
async request(method, path, data) {
const req = await fetch(`${this.host}${path}`, {
method: (0, _models.Method)[method],
mode: "cors",
credentials: "same-origin",
headers: {
"Content-Type": "application/json"
},
redirect: "follow",
referrerPolicy: "no-referrer",
body: data ? JSON.stringify(data) : null
});
return req.json();
}
static log(message, level = (0, _models.LogLevel).INFO) {
switch(level){
case 0:
console.log(`%c\u{24D8} SDK INFO: ${message}`, "background: #183fdb; color: #ffffff");
break;
case 1:
console.log(`%c\u{2757}SDK WARNING: ${message}`, "background: #c46a10; color: #ffffff");
break;
case 2:
console.log(`%c\u{26D4}SDK ERROR: ${message}`, "background: #c41010; color: #ffffff");
break;
default:
console.log("default");
}
}
}
exports.default = Utils;
},{"@parcel/transformer-js/src/esmodule-helpers.js":"gkKU3","./models":"lidte"}],"lidte":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
parcelHelpers.defineInteropFlag(exports);
parcelHelpers.export(exports, "Route", ()=>Route);
parcelHelpers.export(exports, "Method", ()=>Method);
parcelHelpers.export(exports, "LogLevel", ()=>LogLevel);
var Route;
(function(Route) {
Route["LOGIN"] = "/api/login";
Route["GROUPS"] = "/api/sdk/account/$1/groups";
})(Route || (Route = {}));
var Method;
(function(Method) {
Method[Method["GET"] = 0] = "GET";
Method[Method["POST"] = 1] = "POST";
})(Method || (Method = {}));
var LogLevel;
(function(LogLevel) {
LogLevel[LogLevel["INFO"] = 0] = "INFO";
LogLevel[LogLevel["WARNING"] = 1] = "WARNING";
LogLevel[LogLevel["ERROR"] = 2] = "ERROR";
})(LogLevel || (LogLevel = {}));
},{"@parcel/transformer-js/src/esmodule-helpers.js":"gkKU3"}],"c56j9":[function(require,module,exports) {
/**
* Module dependencies.
*/ var url = require("5ef338c215ec7db2");
var parser = require("5b02f87b9b6b8913");
var Manager = require("370cb6511e85e739");
var debug = require("fa9e2b7ef62c353a")("socket.io-client");
/**
* Module exports.
*/ module.exports = exports = lookup;
/**
* Managers cache.
*/ var cache = exports.managers = {};
/**
* Looks up an existing `Manager` for multiplexing.
* If the user summons:
*
* `io('http://localhost/a');`
* `io('http://localhost/b');`
*
* We reuse the existing instance based on same scheme/port/host,
* and we initialize sockets for each namespace.
*
* @api public
*/ function lookup(uri, opts) {
if (typeof uri === "object") {
opts = uri;
uri = undefined;
}
opts = opts || {};
var parsed = url(uri);
var source = parsed.source;
var id = parsed.id;
var path = parsed.path;
var sameNamespace = cache[id] && path in cache[id].nsps;
var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace;
var io;
if (newConnection) {
debug("ignoring socket cache for %s", source);
io = Manager(source, opts);
} else {
if (!cache[id]) {
debug("new io instance for %s", source);
cache[id] = Manager(source, opts);
}
io = cache[id];
}
if (parsed.query && !opts.query) opts.query = parsed.query;
return io.socket(parsed.path, opts);
}
/**
* Protocol version.
*
* @api public
*/ exports.protocol = parser.protocol;
/**
* `connect`.
*
* @param {String} uri
* @api public
*/ exports.connect = lookup;
/**
* Expose constructors for standalone build.
*
* @api public
*/ exports.Manager = require("370cb6511e85e739");
exports.Socket = require("f338ca1a73d48b1c");
},{"5ef338c215ec7db2":"eK0ik","5b02f87b9b6b8913":"iEP88","370cb6511e85e739":"k06Qi","fa9e2b7ef62c353a":"l0oUb","f338ca1a73d48b1c":"aZLF9"}],"eK0ik":[function(require,module,exports) {
/**
* Module dependencies.
*/ var parseuri = require("5adf3dd721bcd05e");
var debug = require("bd995f207386731a")("socket.io-client:url");
/**
* Module exports.
*/ module.exports = url;
/**
* URL parser.
*
* @param {String} url
* @param {Object} An object meant to mimic window.location.
* Defaults to window.location.
* @api public
*/ function url(uri, loc) {
var obj = uri;
// default to window.location
loc = loc || typeof location !== "undefined" && location;
if (null == uri) uri = loc.protocol + "//" + loc.host;
// relative path support
if ("string" === typeof uri) {
if ("/" === uri.charAt(0)) {
if ("/" === uri.charAt(1)) uri = loc.protocol + uri;
else uri = loc.host + uri;
}
if (!/^(https?|wss?):\/\//.test(uri)) {
debug("protocol-less url %s", uri);
if ("undefined" !== typeof loc) uri = loc.protocol + "//" + uri;
else uri = "https://" + uri;
}
// parse
debug("parse %s", uri);
obj = parseuri(uri);
}
// make sure we treat `localhost:80` and `localhost` equally
if (!obj.port) {
if (/^(http|ws)$/.test(obj.protocol)) obj.port = "80";
else if (/^(http|ws)s$/.test(obj.protocol)) obj.port = "443";
}
obj.path = obj.path || "/";
var ipv6 = obj.host.indexOf(":") !== -1;
var host = ipv6 ? "[" + obj.host + "]" : obj.host;
// define unique id
obj.id = obj.protocol + "://" + host + ":" + obj.port;
// define href
obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port);
return obj;
}
},{"5adf3dd721bcd05e":"7w9JU","bd995f207386731a":"l0oUb"}],"7w9JU":[function(require,module,exports) {
/**
* Parses an URI
*
* @author Steven Levithan <stevenlevithan.com> (MIT license)
* @api private
*/ var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
var parts = [
"source",
"protocol",
"authority",
"userInfo",
"user",
"password",
"host",
"port",
"relative",
"path",
"directory",
"file",
"query",
"anchor"
];
module.exports = function parseuri(str) {
var src = str, b = str.indexOf("["), e = str.indexOf("]");
if (b != -1 && e != -1) str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ";") + str.substring(e, str.length);
var m = re.exec(str || ""), uri = {}, i = 14;
while(i--)uri[parts[i]] = m[i] || "";
if (b != -1 && e != -1) {
uri.source = src;
uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ":");
uri.authority = uri.authority.replace("[", "").replace("]", "").replace(/;/g, ":");
uri.ipv6uri = true;
}
uri.pathNames = pathNames(uri, uri["path"]);
uri.queryKey = queryKey(uri, uri["query"]);
return uri;
};
function pathNames(obj, path) {
var regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/");
if (path.substr(0, 1) == "/" || path.length === 0) names.splice(0, 1);
if (path.substr(path.length - 1, 1) == "/") names.splice(names.length - 1, 1);
return names;
}
function queryKey(uri, query) {
var data = {};
query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function($0, $1, $2) {
if ($1) data[$1] = $2;
});
return data;
}
},{}],"l0oUb":[function(require,module,exports) {
/**
* This is the web browser implementation of `debug()`.
*
* Expose `debug()` as the module.
*/ var process = require("12edbb1af7d8bd3b");
exports = module.exports = require("164b7987e493c35c");
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = "undefined" != typeof chrome && "undefined" != typeof chrome.storage ? chrome.storage.local : localstorage();
/**
* Colors.
*/ exports.colors = [
"#0000CC",
"#0000FF",
"#0033CC",
"#0033FF",
"#0066CC",
"#0066FF",
"#0099CC",
"#0099FF",
"#00CC00",
"#00CC33",
"#00CC66",
"#00CC99",
"#00CCCC",
"#00CCFF",
"#3300CC",
"#3300FF",
"#3333CC",
"#3333FF",
"#3366CC",
"#3366FF",
"#3399CC",
"#3399FF",
"#33CC00",
"#33CC33",
"#33CC66",
"#33CC99",
"#33CCCC",
"#33CCFF",
"#6600CC",
"#6600FF",
"#6633CC",
"#6633FF",
"#66CC00",
"#66CC33",
"#9900CC",
"#9900FF",
"#9933CC",
"#9933FF",
"#99CC00",
"#99CC33",
"#CC0000",
"#CC0033",
"#CC0066",
"#CC0099",
"#CC00CC",
"#CC00FF",
"#CC3300",
"#CC3333",
"#CC3366",
"#CC3399",
"#CC33CC",
"#CC33FF",
"#CC6600",
"#CC6633",
"#CC9900",
"#CC9933",
"#CCCC00",
"#CCCC33",
"#FF0000",
"#FF0033",
"#FF0066",
"#FF0099",
"#FF00CC",
"#FF00FF",
"#FF3300",
"#FF3333",
"#FF3366",
"#FF3399",
"#FF33CC",
"#FF33FF",
"#FF6600",
"#FF6633",
"#FF9900",
"#FF9933",
"#FFCC00",
"#FFCC33"
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/ function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== "undefined" && window.process && window.process.type === "renderer") return true;
// Internet Explorer and Edge do not support colors.
if (typeof navigator !== "undefined" && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) return false;
// is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return typeof document !== "undefined" && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // is firebug? http://stackoverflow.com/a/398120/376773
typeof window !== "undefined" && window.console && (window.console.firebug || window.console.exception && window.console.table) || // is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
typeof navigator !== "undefined" && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // double check webkit in userAgent just in case we are in a worker
typeof navigator !== "undefined" && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
}
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/ exports.formatters.j = function(v) {
try {
return JSON.stringify(v);
} catch (err) {
return "[UnexpectedJSONParseError]: " + err.message;
}
};
/**
* Colorize log arguments if enabled.
*
* @api public
*/ function formatArgs(args) {
var useColors = this.useColors;
args[0] = (useColors ? "%c" : "") + this.namespace + (useColors ? " %c" : " ") + args[0] + (useColors ? "%c " : " ") + "+" + exports.humanize(this.diff);
if (!useColors) return;
var c = "color: " + this.color;
args.splice(1, 0, c, "color: inherit");
// the final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
var index = 0;
var lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, function(match) {
if ("%%" === match) return;
index++;
if ("%c" === match) // we only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.log()` when available.
* No-op when `console.log` is not a "function".
*
* @api public
*/ function log() {
// this hackery is required for IE8/9, where
// the `console.log` function doesn't have 'apply'
return "object" === typeof console && console.log && Function.prototype.apply.call(console.log, console, arguments);
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/ function save(namespaces) {
try {
if (null == namespaces) exports.storage.removeItem("debug");
else exports.storage.debug = namespaces;
} catch (e) {}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/ function load() {
var r;
try {
r = exports.storage.debug;
} catch (e) {}
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== "undefined" && "env" in process) r = undefined;
return r;
}
/**
* Enable namespaces listed in `localStorage.debug` initially.
*/ exports.enable(load());
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/ function localstorage() {
try {
return window.localStorage;
} catch (e) {}
}
},{"12edbb1af7d8bd3b":"d5jf4","164b7987e493c35c":"W9ObK"}],"d5jf4":[function(require,module,exports) {
// shim for using process in browser
var process = module.exports = {};
// cached from whatever global is present so that test runners that stub it
// don't break things. But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals. It's inside a
// function because try/catches deoptimize in certain engines.
var cachedSetTimeout;
var cachedClearTimeout;
function defaultSetTimout() {
throw new Error("setTimeout has not been defined");
}
function defaultClearTimeout() {
throw new Error("clearTimeout has not been defined");
}
(function() {
try {
if (typeof setTimeout === "function") cachedSetTimeout = setTimeout;
else cachedSetTimeout = defaultSetTimout;
} catch (e) {
cachedSetTimeout = defaultSetTimout;
}
try {
if (typeof clearTimeout === "function") cachedClearTimeout = clearTimeout;
else cachedClearTimeout = defaultClearTimeout;
} catch (e) {
cachedClearTimeout = defaultClearTimeout;
}
})();
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) //normal enviroments in sane situations
return setTimeout(fun, 0);
// if setTimeout wasn't available but was latter defined
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedSetTimeout(fun, 0);
} catch (e) {
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedSetTimeout.call(null, fun, 0);
} catch (e) {
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) //normal enviroments in sane situations
return clearTimeout(marker);
// if clearTimeout wasn't available but was latter defined
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedClearTimeout(marker);
} catch (e) {
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedClearTimeout.call(null, marker);
} catch (e) {
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
if (!draining || !currentQueue) return;
draining = false;
if (currentQueue.length) queue = currentQueue.concat(queue);
else queueIndex = -1;
if (queue.length) drainQueue();
}
function drainQueue() {
if (draining) return;
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len){
currentQueue = queue;
queue = [];
while(++queueIndex < len)if (currentQueue) currentQueue[queueIndex].run();
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
process.nextTick = function(fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) for(var i = 1; i < arguments.length; i++)args[i - 1] = arguments[i];
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) runTimeout(drainQueue);
};
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function() {
this.fun.apply(null, this.array);
};
process.title = "browser";
process.browser = true;
process.env = {};
process.argv = [];
process.version = ""; // empty string to avoid regexp issues
process.versions = {};
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;
process.listeners = function(name) {
return [];
};
process.binding = function(name) {
throw new Error("process.binding is not supported");
};
process.cwd = function() {
return "/";
};
process.chdir = function(dir) {
throw new Error("process.chdir is not supported");
};
process.umask = function() {
return 0;
};
},{}],"W9ObK":[function(require,module,exports) {
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*
* Expose `debug()` as the module.
*/ exports = module.exports = createDebug.debug = createDebug["default"] = createDebug;
exports.coerce = coerce;
exports.disable = disable;
exports.enable = enable;
exports.enabled = enabled;
exports.humanize = require("9e84ac15c703264e");
/**
* Active `debug` instances.
*/ exports.instances = [];
/**
* The currently active debug mode names, and names to skip.
*/ exports.names = [];
exports.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/ exports.formatters = {};
/**
* Select a color.
* @param {String} namespace
* @return {Number}
* @api private
*/ function selectColor(namespace) {
var hash = 0, i;
for(i in namespace){
hash = (hash << 5) - hash + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return exports.colors[Math.abs(hash) % exports.colors.length];
}
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/ function createDebug(namespace) {
var prevTime;
function debug() {
// disabled?
if (!debug.enabled) return;
var self = debug;
// set `diff` timestamp
var curr = +new Date();
var ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
// turn the `arguments` into a proper Array
var args = new Array(arguments.length);
for(var i = 0; i < args.length; i++)args[i] = arguments[i];
args[0] = exports.coerce(args[0]);
if ("string" !== typeof args[0]) // anything else let's inspect with %O
args.unshift("%O");
// apply any `formatters` transformations
var index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
// if we encounter an escaped % then don't increase the array index
if (match === "%%") return match;
index++;
var formatter = exports.formatters[format];
if ("function" === typeof formatter) {
var val = args[index];
match = formatter.call(self, val);
// now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
// apply env-specific formatting (colors, etc.)
exports.formatArgs.call(self, args);
var logFn = debug.log || exports.log || console.log.bind(console);
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.enabled = exports.enabled(namespace);
debug.useColors = exports.useColors();
debug.color = selectColor(namespace);
debug.destroy = destroy;
// env-specific initialization logic for debug instances
if ("function" === typeof exports.init) exports.init(debug);
exports.instances.push(debug);
return debug;
}
function destroy() {
var index = exports.instances.indexOf(this);
if (index !== -1) {
exports.instances.splice(index, 1);
return true;
} else return false;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/ function enable(namespaces) {
exports.save(namespaces);
exports.names = [];
exports.skips = [];
var i;
var split = (typeof namespaces === "string" ? namespaces : "").split(/[\s,]+/);
var len = split.length;
for(i = 0; i < len; i++){
if (!split[i]) continue; // ignore empty strings
namespaces = split[i].replace(/\*/g, ".*?");
if (namespaces[0] === "-") exports.skips.push(new RegExp("^" + namespaces.substr(1) + "$"));
else exports.names.push(new RegExp("^" + namespaces + "$"));
}
for(i = 0; i < exports.instances.length; i++){
var instance = exports.instances[i];
instance.enabled = exports.enabled(instance.namespace);
}
}
/**
* Disable debug output.
*
* @api public
*/ function disable() {
exports.enable("");
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/ function enabled(name) {
if (name[name.length - 1] === "*") return true;
var i, len;
for(i = 0, len = exports.skips.length; i < len; i++){
if (exports.skips[i].test(name)) return false;
}
for(i = 0, len = exports.names.length; i < len; i++){
if (exports.names[i].test(name)) return true;
}
return false;
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/ function coerce(val) {
if (val instanceof Error) return val.stack || val.message;
return val;
}
},{"9e84ac15c703264e":"jauEe"}],"jauEe":[function(require,module,exports) {
/**
* Helpers.
*/ var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/ module.exports = function(val, options) {
options = options || {};
var type = typeof val;
if (type === "string" && val.length > 0) return parse(val);
else if (type === "number" && isNaN(val) === false) return options.long ? fmtLong(val) : fmtShort(val);
throw new Error("val is not a non-empty string or a valid number. val=" + JSON.stringify(val));
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/ function parse(str) {
str = String(str);
if (str.length > 100) return;
var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
if (!match) return;
var n = parseFloat(match[1]);
var type = (match[2] || "ms").toLowerCase();
switch(type){
case "years":
case "year":
case "yrs":
case "yr":
case "y":
return n * y;
case "days":
case "day":
case "d":
return n * d;
case "hours":
case "hour":
case "hrs":
case "hr":
case "h":
return n * h;
case "minutes":
case "minute":
case "mins":
case "min":
case "m":
return n * m;
case "seconds":
case "second":
case "secs":
case "sec":
case "s":
return n * s;
case "milliseconds":
case "millisecond":
case "msecs":
case "msec":
case "ms":
return n;
default:
return undefined;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/ function fmtShort(ms) {
if (ms >= d) return Math.round(ms / d) + "d";
if (ms >= h) return Math.round(ms / h) + "h";
if (ms >= m) return Math.round(ms / m) + "m";
if (ms >= s) return Math.round(ms / s) + "s";
return ms + "ms";
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/ function fmtLong(ms) {
return plural(ms, d, "day") || plural(ms, h, "hour") || plural(ms, m, "minute") || plural(ms, s, "second") || ms + " ms";
}
/**
* Pluralization helper.
*/ function plural(ms, n, name) {
if (ms < n) return;
if (ms < n * 1.5) return Math.floor(ms / n) + " " + name;
return Math.ceil(ms / n) + " " + name + "s";
}
},{}],"iEP88":[function(require,module,exports) {
/**
* Module dependencies.
*/ var debug = require("366c24e924e4a950")("socket.io-parser");
var Emitter = require("ad67595a336212b1");
var binary = require("953f291a69c886c8");
var isArray = require("a82d98bd8ba0bc00");
var isBuf = require("feb21716d587608b");
/**
* Protocol version.
*
* @api public
*/ exports.protocol = 4;
/**
* Packet types.
*
* @api public
*/ exports.types = [
"CONNECT",
"DISCONNECT",
"EVENT",
"ACK",
"ERROR",
"BINARY_EVENT",
"BINARY_ACK"
];
/**
* Packet type `connect`.
*
* @api public
*/ exports.CONNECT = 0;
/**
* Packet type `disconnect`.
*
* @api public
*/ exports.DISCONNECT = 1;
/**
* Packet type `event`.
*
* @api public
*/ exports.EVENT = 2;
/**
* Packet type `ack`.
*
* @api public
*/ exports.ACK = 3;
/**
* Packet type `error`.
*
* @api public
*/ exports.ERROR = 4;
/**
* Packet type 'binary event'
*
* @api public
*/ exports.BINARY_EVENT = 5;
/**
* Packet type `binary ack`. For acks with binary arguments.
*
* @api public
*/ exports.BINARY_ACK = 6;
/**
* Encoder constructor.
*
* @api public
*/ exports.Encoder = Encoder;
/**
* Decoder constructor.
*
* @api public
*/ exports.Decoder = Decoder;
/**
* A socket.io Encoder instance
*
* @api public
*/ function Encoder() {}
var ERROR_PACKET = exports.ERROR + '"encode error"';
/**
* Encode a packet as a single string if non-binary, or as a
* buffer sequence, depending on packet type.
*
* @param {Object} obj - packet object
* @param {Function} callback - function to handle encodings (likely engine.write)
* @return Calls callback with Array of encodings
* @api public
*/ Encoder.prototype.encode = function(obj, callback) {
debug("encoding packet %j", obj);
if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) encodeAsBinary(obj, callback);
else {
var encoding = encodeAsString(obj);
callback([
encoding
]);
}
};
/**
* Encode packet as string.
*
* @param {Object} packet
* @return {String} encoded
* @api private
*/ function encodeAsString(obj) {
// first is type
var str = "" + obj.type;
// attachments if we have them
if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) str += obj.attachments + "-";
// if we have a namespace other than `/`
// we append it followed by a comma `,`
if (obj.nsp && "/" !== obj.nsp) str += obj.nsp + ",";
// immediately followed by the id
if (null != obj.id) str += obj.id;
// json data
if (null != obj.data) {
var payload = tryStringify(obj.data);
if (payload !== false) str += payload;
else return ERROR_PACKET;
}
debug("encoded %j as %s", obj, str);
return str;
}
function tryStringify(str) {
try {
return JSON.stringify(str);
} catch (e) {
return false;
}
}
/**
* Encode packet as 'buffer sequence' by removing blobs, and
* deconstructing packet into object with placeholders and
* a list of buffers.
*
* @param {Object} packet
* @return {Buffer} encoded
* @api private
*/ function encodeAsBinary(obj, callback) {
function writeEncoding(bloblessData) {
var deconstruction = binary.deconstructPacket(bloblessData);
var pack = encodeAsString(deconstruction.packet);
var buffers = deconstruction.buffers;
buffers.unshift(pack); // add packet info to beginning of data list
callback(buffers); // write all the buffers
}
binary.removeBlobs(obj, writeEncoding);
}
/**
* A socket.io Decoder instance
*
* @return {Object} decoder
* @api public
*/ function Decoder() {
this.reconstructor = null;
}
/**
* Mix in `Emitter` with Decoder.
*/ Emitter(Decoder.prototype);
/**
* Decodes an encoded packet string into packet JSON.
*
* @param {String} obj - encoded packet
* @return {Object} packet
* @api public
*/ Decoder.prototype.add = function(obj) {
var packet;
if (typeof obj === "string") {
if (this.reconstructor) throw new Error("got plaintext data when reconstructing a packet");
packet = decodeString(obj);
if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) {
this.reconstructor = new BinaryReconstructor(packet);
// no attachments, labeled binary but no binary data to follow
if (this.reconstructor.reconPack.attachments === 0) this.emit("decoded", packet);
} else this.emit("decoded", packet);
} else if (isBuf(obj) || obj.base64) {
if (!this.reconstructor) throw new Error("got binary data when not reconstructing a packet");
else {
packet = this.reconstructor.takeBinaryData(obj);
if (packet) {
this.reconstructor = null;
this.emit("decoded", packet);
}
}
} else throw new Error("Unknown type: " + obj);
};
/**
* Decode a packet String (JSON data)
*
* @param {String} str
* @return {Object} packet
* @api private
*/ function decodeString(str) {
var i = 0;
// look up type
var p = {
type: Number(str.charAt(0))
};
if (null == exports.types[p.type]) return error("unknown packet type " + p.type);
// look up attachments if type binary
if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {
var start = i + 1;
while(str.charAt(++i) !== "-" && i != str.length);
var buf = str.substring(start, i);
if (buf != Number(buf) || str.charAt(i) !== "-") throw new Error("Illegal attachments");
p.attachments = Number(buf);
}
// look up namespace (if any)
if ("/" === str.charAt(i + 1)) {
var start = i + 1;
while(++i){
var c = str.charAt(i);
if ("," === c) break;
if (i === str.length) break;
}
p.nsp = str.substring(start, i);
} else p.nsp = "/";
// look up id
var next = str.charAt(i + 1);
if ("" !== next && Number(next) == next) {
var start = i + 1;
while(++i){
var c = str.charAt(i);
if (null == c || Number(c) != c) {
--i;
break;
}
if (i === str.length) break;
}
p.id = Number(str.substring(start, i + 1));
}
// look up json data
if (str.charAt(++i)) {
var payload = tryParse(str.substr(i));
var isPayloadValid = payload !== false && (p.type === exports.ERROR || isArray(payload));
if (isPayloadValid) p.data = payload;
else return error("invalid payload");
}
debug("decoded %s as %j", str, p);
return p;
}
function tryParse(str) {
try {
return JSON.parse(str);
} catch (e) {
return false;
}
}
/**
* Deallocates a parser's resources
*
* @api public
*/ Decoder.prototype.destroy = function() {
if (this.reconstructor) this.reconstructor.finishedReconstruction();
};
/**
* A manager of a binary event's 'buffer sequence'. Should
* be constructed whenever a packet of type BINARY_EVENT is
* decoded.
*
* @param {Object} packet
* @return {BinaryReconstructor} initialized reconstructor
* @api private
*/ function BinaryReconstructor(packet) {
this.reconPack = packet;
this.buffers = [];
}
/**
* Method to be called when binary data received from connection
* after a BINARY_EVENT packet.
*
* @param {Buffer | ArrayBuffer} binData - the raw binary data received
* @return {null | Object} returns null if more binary data is expected or
* a reconstructed packet object if all buffers have been received.
* @api private
*/ BinaryReconstructor.prototype.takeBinaryData = function(binData) {
this.buffers.push(binData);
if (this.buffers.length === this.reconPack.attachments) {
var packet = binary.reconstructPacket(this.reconPack, this.buffers);
this.finishedReconstruction();
return packet;
}
return null;
};
/**
* Cleans up binary packet reconstruction variables.
*
* @api private
*/ BinaryReconstructor.prototype.finishedReconstruction = function() {
this.reconPack = null;
this.buffers = [];
};
function error(msg) {
return {
type: exports.ERROR,
data: "parser error: " + msg
};
}
},{"366c24e924e4a950":"l0oUb","ad67595a336212b1":"5nHrO","953f291a69c886c8":"eUwTZ","a82d98bd8ba0bc00":"hk7XJ","feb21716d587608b":"4tjYH"}],"5nHrO":[function(require,module,exports) {
/**
* Expose `Emitter`.
*/ module.exports = Emitter;
/**
* Initialize a new `Emitter`.
*
* @api public
*/ function Emitter(obj) {
if (obj) return mixin(obj);
}
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/ function mixin(obj) {
for(var key in Emitter.prototype)obj[key] = Emitter.prototype[key];
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/ Emitter.prototype.on = Emitter.prototype.addEventListener = function(event, fn) {
this._callbacks = this._callbacks || {};
(this._callbacks["$" + event] = this._callbacks["$" + event] || []).push(fn);
return this;
};
/**
* Adds an `event` listener that will be invoked a single
* time then automatically removed.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/ Emitter.prototype.once = function(event, fn) {
function on() {
this.off(event, on);
fn.apply(this, arguments);
}
on.fn = fn;
this.on(event, on);
return this;
};
/**
* Remove the given callback for `event` or all
* registered callbacks.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/ Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function(event, fn) {
this._callbacks = this._callbacks || {};
// all
if (0 == arguments.length) {
this._callbacks = {};
return this;
}
// specific event
var callbacks = this._callbacks["$" + event];
if (!callbacks) return this;
// remove all handlers
if (1 == arguments.length) {
delete this._callbacks["$" + event];
return this;
}
// remove specific handler
var cb;
for(var i = 0; i < callbacks.length; i++){
cb = callbacks[i];
if (cb === fn || cb.fn === fn) {
callbacks.splice(i, 1);
break;
}
}
// Remove event specific arrays for event types that no
// one is subscribed for to avoid memory leak.
if (callbacks.length === 0) delete this._callbacks["$" + event];
return this;
};
/**
* Emit `event` with the given args.
*
* @param {String} event
* @param {Mixed} ...
* @return {Emitter}
*/ Emitter.prototype.emit = function(event) {
this._callbacks = this._callbacks || {};
var args = new Array(arguments.length - 1), callbacks = this._callbacks["$" + event];
for(var i = 1; i < arguments.length; i++)args[i - 1] = arguments[i];
if (callbacks) {
callbacks = callbacks.slice(0);
for(var i = 0, len = callbacks.length; i < len; ++i)callbacks[i].apply(this, args);
}
return this;
};
/**
* Return array of callbacks for `event`.
*
* @param {String} event
* @return {Array}
* @api public
*/ Emitter.prototype.listeners = function(event) {
this._callbacks = this._callbacks || {};
return this._callbacks["$" + event] || [];
};
/**
* Check if this emitter has `event` handlers.
*
* @param {String} event
* @return {Boolean}
* @api public
*/ Emitter.prototype.hasListeners = function(event) {
return !!this.listeners(event).length;
};
},{}],"eUwTZ":[function(require,module,exports) {
/*global Blob,File*/ /**
* Module requirements
*/ var isArray = require("7a1ca0164409c8f0");
var isBuf = require("90b57d5b5423a10e");
var toString = Object.prototype.toString;
var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]";
var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]";
/**
* Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
* Anything with blobs or files should be fed through removeBlobs before coming
* here.
*
* @param {Object} packet - socket.io event packet
* @return {Object} with deconstructed packet and list of buffers
* @api public
*/ exports.deconstructPacket = function(packet) {
var buffers = [];
var packetData = packet.data;
var pack = packet;
pack.data = _deconstructPacket(packetData, buffers);
pack.attachments = buffers.length; // number of binary 'attachments'
return {
packet: pack,
buffers: buffers
};
};
function _deconstructPacket(data, buffers) {
if (!data) return data;
if (isBuf(data)) {
var placeholder = {
_placeholder: true,
num: buffers.length
};
buffers.push(data);
return placeholder;
} else if (isArray(data)) {
var newData = new Array(data.length);
for(var i = 0; i < data.length; i++)newData[i] = _deconstructPacket(data[i], buffers);
return newData;
} else if (typeof data === "object" && !(data instanceof Date)) {
var newData = {};
for(var key in data)newData[key] = _deconstructPacket(data[key], buffers);
return newData;
}
return data;
}
/**
* Reconstructs a binary packet from its placeholder packet and buffers
*
* @param {Object} packet - event packet with placeholders
* @param {Array} buffers - binary buffers to put in placeholder positions
* @return {Object} reconstructed packet
* @api public
*/ exports.reconstructPacket = function(packet, buffers) {
packet.data = _reconstructPacket(packet.data, buffers);
packet.attachments = undefined; // no longer useful
return packet;
};
function _reconstructPacket(data, buffers) {
if (!data) return data;
if (data && data._placeholder === true) {
var isIndexValid = typeof data.num === "number" && data.num >= 0 && data.num < buffers.length;
if (isIndexValid) return buffers[data.num]; // appropriate buffer (should be natural order anyway)
else throw new Error("illegal attachments");
} else if (isArray(data)) for(var i = 0; i < data.length; i++)data[i] = _reconstructPacket(data[i], buffers);
else if (typeof data === "object") for(var key in data)data[key] = _reconstructPacket(data[key], buffers);
return data;
}
/**
* Asynchronously removes Blobs or Files from data via
* FileReader's readAsArrayBuffer method. Used before encoding
* data as msgpack. Calls callback with the blobless data.
*
* @param {Object} data
* @param {Function} callback
* @api private
*/ exports.removeBlobs = function(data, callback) {
function _removeBlobs(obj, curKey, containingObject) {
if (!obj) return obj;
// convert any blob
if (withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File) {
pendingBlobs++;
// async filereader
var fileReader = new FileReader();
fileReader.onload = function() {
if (containingObject) containingObject[curKey] = this.result;
else bloblessData = this.result;
// if nothing pending its callback time
if (!--pendingBlobs) callback(bloblessData);
};
fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
} else if (isArray(obj)) for(var i = 0; i < obj.length; i++)_removeBlobs(obj[i], i, obj);
else if (typeof obj === "object" && !isBuf(obj)) for(var key in obj)_removeBlobs(obj[key], key, obj);
}
var pendingBlobs = 0;
var bloblessData = data;
_removeBlobs(bloblessData);
if (!pendingBlobs) callback(bloblessData);
};
},{"7a1ca0164409c8f0":"hk7XJ","90b57d5b5423a10e":"4tjYH"}],"hk7XJ":[function(require,module,exports) {
var toString = {}.toString;
module.exports = Array.isArray || function(arr) {
return toString.call(arr) == "[object Array]";
};
},{}],"4tjYH":[function(require,module,exports) {
var Buffer = require("500f9fc6063dba12").Buffer;
module.exports = isBuf;
var withNativeBuffer = typeof Buffer === "function" && typeof Buffer.isBuffer === "function";
var withNativeArrayBuffer = typeof ArrayBuffer === "function";
var isView = function(obj) {
return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer;
};
/**
* Returns true if obj is a buffer or an arraybuffer.
*
* @api private
*/ function isBuf(obj) {
return withNativeBuffer && Buffer.isBuffer(obj) || withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj));
}
},{"500f9fc6063dba12":"fCgem"}],"fCgem":[function(require,module,exports) {
/*!
* The buffer module from node.js, for the browser.
*
* @author Feross Aboukhadijeh <https://feross.org>
* @license MIT
*/ /* eslint-disable no-proto */ "use strict";
const base64 = require("9c62938f1dccc73c");
const ieee754 = require("aceacb6a4531a9d2");
const customInspectSymbol = typeof Symbol === "function" && typeof Symbol["for"] === "function" // eslint-disable-line dot-notation
? Symbol["for"]("nodejs.util.inspect.custom") // eslint-disable-line dot-notation
: null;
exports.Buffer = Buffer;
exports.SlowBuffer = SlowBuffer;
exports.INSPECT_MAX_BYTES = 50;
const K_MAX_LENGTH = 0x7fffffff;
exports.kMaxLength = K_MAX_LENGTH;
/**
* If `Buffer.TYPED_ARRAY_SUPPORT`:
* === true Use Uint8Array implementation (fastest)
* === false Print warning and recommend using `buffer` v4.x which has an Object
* implementation (most compatible, even IE6)
*
* Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
* Opera 11.6+, iOS 4.2+.
*
* We report that the browser does not support typed arrays if the are not subclassable
* using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
* (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
* for __proto__ and has a buggy typed array implementation.
*/ Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport();
if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== "undefined" && typeof console.error === "function") console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support.");
function typedArraySupport() {
// Can typed array instances can be augmented?
try {
const arr = new Uint8Array(1);
const proto = {
foo: function() {
return 42;
}
};
Object.setPrototypeOf(proto, Uint8Array.prototype);
Object.setPrototypeOf(arr, proto);
return arr.foo() === 42;
} catch (e) {
return false;
}
}
Object.defineProperty(Buffer.prototype, "parent", {
enumerable: true,
get: function() {
if (!Buffer.isBuffer(this)) return undefined;
return this.buffer;
}
});
Object.defineProperty(Buffer.prototype, "offset", {
enumerable: true,
get: function() {
if (!Buffer.isBuffer(this)) return undefined;
return this.byteOffset;
}
});
function createBuffer(length) {
if (length > K_MAX_LENGTH) throw new RangeError('The value "' + length + '" is invalid for option "size"');
// Return an augmented `Uint8Array` instance
const buf = new Uint8Array(length);
Object.setPrototypeOf(buf, Buffer.prototype);
return buf;
}
/**
* The Buffer constructor returns instances of `Uint8Array` that have their
* prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
* `Uint8Array`, so the returned instances will have all the node `Buffer` methods
* and the `Uint8Array` methods. Square bracket notation works as expected -- it
* returns a single octet.
*
* The `Uint8Array` prototype remains unmodified.
*/ function Buffer(arg, encodingOrOffset, length) {
// Common case.
if (typeof arg === "number") {
if (typeof encodingOrOffset === "string") throw new TypeError('The "string" argument must be of type string. Received type number');
return allocUnsafe(arg);
}
return from(arg, encodingOrOffset, length);
}
Buffer.poolSize = 8192 // not used by this implementation
;
function from(value, encodingOrOffset, length) {
if (typeof value === "string") return fromString(value, encodingOrOffset);
if (ArrayBuffer.isView(value)) return fromArrayView(value);
if (value == null) throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof value);
if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) return fromArrayBuffer(value, encodingOrOffset, length);
if (typeof SharedArrayBuffer !== "undefined" && (isInstance(value, SharedArrayBuffer) || value && isInstance(value.buffer, SharedArrayBuffer))) return fromArrayBuffer(value, encodingOrOffset, length);
if (typeof value === "number") throw new TypeError('The "value" argument must not be of type number. Received type number');
const valueOf = value.valueOf && value.valueOf();
if (valueOf != null && valueOf !== value) return Buffer.from(valueOf, encodingOrOffset, length);
const b = fromObject(value);
if (b) return b;
if (typeof Symbol !== "undefined" && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === "function") return Buffer.from(value[Symbol.toPrimitive]("string"), encodingOrOffset, length);
throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof value);
}
/**
* Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
* if value is a number.
* Buffer.from(str[, encoding])
* Buffer.from(array)
* Buffer.from(buffer)
* Buffer.from(arrayBuffer[, byteOffset[, length]])
**/ Buffer.from = function(value, encodingOrOffset, length) {
return from(value, encodingOrOffset, length);
};
// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
// https://github.com/feross/buffer/pull/148
Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype);
Object.setPrototypeOf(Buffer, Uint8Array);
function assertSize(size) {
if (typeof size !== "number") throw new TypeError('"size" argument must be of type number');
else if (size < 0) throw new RangeError('The value "' + size + '" is invalid for option "size"');
}
function alloc(size, fill, encoding) {
assertSize(size);
if (size <= 0) return createBuffer(size);
if (fill !== undefined) // Only pay attention to encoding if it's a string. This
// prevents accidentally sending in a number that would
// be interpreted as a start offset.
return typeof encoding === "string" ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill);
return createBuffer(size);
}
/**
* Creates a new filled Buffer instance.
* alloc(size[, fill[, encoding]])
**/ Buffer.alloc = function(size, fill, encoding) {
return alloc(size, fill, encoding);
};
function allocUnsafe(size) {
assertSize(size);
return createBuffer(size < 0 ? 0 : checked(size) | 0);
}
/**
* Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
* */ Buffer.allocUnsafe = function(size) {
return allocUnsafe(size);
};
/**
* Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
*/ Buffer.allocUnsafeSlow = function(size) {
return allocUnsafe(size);
};
function fromString(string, encoding) {
if (typeof encoding !== "string" || encoding === "") encoding = "utf8";
if (!Buffer.isEncoding(encoding)) throw new TypeError("Unknown encoding: " + encoding);
const length = byteLength(string, encoding) | 0;
let buf = createBuffer(length);
const actual = buf.write(string, encoding);
if (actual !== length) // Writing a hex string, for example, that contains invalid characters will
// cause everything after the first invalid character to be ignored. (e.g.
// 'abxxcd' will be treated as 'ab')
buf = buf.slice(0, actual);
return buf;
}
function fromArrayLike(array) {
const length = array.length < 0 ? 0 : checked(array.length) | 0;
const buf = createBuffer(length);
for(let i = 0; i < length; i += 1)buf[i] = array[i] & 255;
return buf;
}
function fromArrayView(arrayView) {
if (isInstance(arrayView, Uint8Array)) {
const copy = new Uint8Array(arrayView);
return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength);
}
return fromArrayLike(arrayView);
}
function fromArrayBuffer(array, byteOffset, length) {
if (byteOffset < 0 || array.byteLength < byteOffset) throw new RangeError('"offset" is outside of buffer bounds');
if (array.byteLength < byteOffset + (length || 0)) throw new RangeError('"length" is outside of buffer bounds');
let buf;
if (byteOffset === undefined && length === undefined) buf = new Uint8Array(array);
else if (length === undefined) buf = new Uint8Array(array, byteOffset);
else buf = new Uint8Array(array, byteOffset, length);
// Return an augmented `Uint8Array` instance
Object.setPrototypeOf(buf, Buffer.prototype);
return buf;
}
function fromObject(obj) {
if (Buffer.isBuffer(obj)) {
const len = checked(obj.length) | 0;
const buf = createBuffer(len);
if (buf.length === 0) return buf;
obj.copy(buf, 0, 0, len);
return buf;
}
if (obj.length !== undefined) {
if (typeof obj.length !== "number" || numberIsNaN(obj.length)) return createBuffer(0);
return fromArrayLike(obj);
}
if (obj.type === "Buffer" && Array.isArray(obj.data)) return fromArrayLike(obj.data);
}
function checked(length) {
// Note: cannot use `length < K_MAX_LENGTH` here because that fails when
// length is NaN (which is otherwise coerced to zero.)
if (length >= K_MAX_LENGTH) throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x" + K_MAX_LENGTH.toString(16) + " bytes");
return length | 0;
}
function SlowBuffer(length) {
if (+length != length) length = 0;
return Buffer.alloc(+length);
}
Buffer.isBuffer = function isBuffer(b) {
return b != null && b._isBuffer === true && b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
;
};
Buffer.compare = function compare(a, b) {
if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength);
if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength);
if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');
if (a === b) return 0;
let x = a.length;
let y = b.length;
for(let i = 0, len = Math.min(x, y); i < len; ++i)if (a[i] !== b[i]) {
x = a[i];
y = b[i];
break;
}
if (x < y) return -1;
if (y < x) return 1;
return 0;
};
Buffer.isEncoding = function isEncoding(encoding) {
switch(String(encoding).toLowerCase()){
case "hex":
case "utf8":
case "utf-8":
case "ascii":
case "latin1":
case "binary":
case "base64":
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return true;
default:
return false;
}
};
Buffer.concat = function concat(list, length) {
if (!Array.isArray(list)) throw new TypeError('"list" argument must be an Array of Buffers');
if (list.length === 0) return Buffer.alloc(0);
let i;
if (length === undefined) {
length = 0;
for(i = 0; i < list.length; ++i)length += list[i].length;
}
const buffer = Buffer.allocUnsafe(length);
let pos = 0;
for(i = 0; i < list.length; ++i){
let buf = list[i];
if (isInstance(buf, Uint8Array)) {
if (pos + buf.length > buffer.length) {
if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf);
buf.copy(buffer, pos);
} else Uint8Array.prototype.set.call(buffer, buf, pos);
} else if (!Buffer.isBuffer(buf)) throw new TypeError('"list" argument must be an Array of Buffers');
else buf.copy(buffer, pos);
pos += buf.length;
}
return buffer;
};
function byteLength(string, encoding) {
if (Buffer.isBuffer(string)) return string.length;
if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) return string.byteLength;
if (typeof string !== "string") throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. Received type ' + typeof string);
const len = string.length;
const mustMatch = arguments.length > 2 && arguments[2] === true;
if (!mustMatch && len === 0) return 0;
// Use a for loop to avoid recursion
let loweredCase = false;
for(;;)switch(encoding){
case "ascii":
case "latin1":
case "binary":
return len;
case "utf8":
case "utf-8":
return utf8ToBytes(string).length;
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return len * 2;
case "hex":
return len >>> 1;
case "base64":
return base64ToBytes(string).length;
default:
if (loweredCase) return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
;
encoding = ("" + encoding).toLowerCase();
loweredCase = true;
}
}
Buffer.byteLength = byteLength;
function slowToString(encoding, start, end) {
let loweredCase = false;
// No need to verify that "this.length <= MAX_UINT32" since it's a read-only
// property of a typed array.
// This behaves neither like String nor Uint8Array in that we set start/end
// to their upper/lower bounds if the value passed is out of range.
// undefined is handled specially as per ECMA-262 6th Edition,
// Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
if (start === undefined || start < 0) start = 0;
// Return early if start > this.length. Done here to prevent potential uint32
// coercion fail below.
if (start > this.length) return "";
if (end === undefined || end > this.length) end = this.length;
if (end <= 0) return "";
// Force coercion to uint32. This will also coerce falsey/NaN values to 0.
end >>>= 0;
start >>>= 0;
if (end <= start) return "";
if (!encoding) encoding = "utf8";
while(true)switch(encoding){
case "hex":
return hexSlice(this, start, end);
case "utf8":
case "utf-8":
return utf8Slice(this, start, end);
case "ascii":
return asciiSlice(this, start, end);
case "latin1":
case "binary":
return latin1Slice(this, start, end);
case "base64":
return base64Slice(this, start, end);
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return utf16leSlice(this, start, end);
default:
if (loweredCase) throw new TypeError("Unknown encoding: " + encoding);
encoding = (encoding + "").toLowerCase();
loweredCase = true;
}
}
// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
// reliably in a browserify context because there could be multiple different
// copies of the 'buffer' package in use. This method works even for Buffer
// instances that were created from another copy of the `buffer` package.
// See: https://github.com/feross/buffer/issues/154
Buffer.prototype._isBuffer = true;
function swap(b, n, m) {
const i = b[n];
b[n] = b[m];
b[m] = i;
}
Buffer.prototype.swap16 = function swap16() {
const len = this.length;
if (len % 2 !== 0) throw new RangeError("Buffer size must be a multiple of 16-bits");
for(let i = 0; i < len; i += 2)swap(this, i, i + 1);
return this;
};
Buffer.prototype.swap32 = function swap32() {
const len = this.length;
if (len % 4 !== 0) throw new RangeError("Buffer size must be a multiple of 32-bits");
for(let i = 0; i < len; i += 4){
swap(this, i, i + 3);
swap(this, i + 1, i + 2);
}
return this;
};
Buffer.prototype.swap64 = function swap64() {
const len = this.length;
if (len % 8 !== 0) throw new RangeError("Buffer size must be a multiple of 64-bits");
for(let i = 0; i < len; i += 8){
swap(this, i, i + 7);
swap(this, i + 1, i + 6);
swap(this, i + 2, i + 5);
swap(this, i + 3, i + 4);
}
return this;
};
Buffer.prototype.toString = function toString() {
const length = this.length;
if (length === 0) return "";
if (arguments.length === 0) return utf8Slice(this, 0, length);
return slowToString.apply(this, arguments);
};
Buffer.prototype.toLocaleString = Buffer.prototype.toString;
Buffer.prototype.equals = function equals(b) {
if (!Buffer.isBuffer(b)) throw new TypeError("Argument must be a Buffer");
if (this === b) return true;
return Buffer.compare(this, b) === 0;
};
Buffer.prototype.inspect = function inspect() {
let str = "";
const max = exports.INSPECT_MAX_BYTES;
str = this.toString("hex", 0, max).replace(/(.{2})/g, "$1 ").trim();
if (this.length > max) str += " ... ";
return "<Buffer " + str + ">";
};
if (customInspectSymbol) Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect;
Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
if (isInstance(target, Uint8Array)) target = Buffer.from(target, target.offset, target.byteLength);
if (!Buffer.isBuffer(target)) throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. Received type ' + typeof target);
if (start === undefined) start = 0;
if (end === undefined) end = target ? target.length : 0;
if (thisStart === undefined) thisStart = 0;
if (thisEnd === undefined) thisEnd = this.length;
if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) throw new RangeError("out of range index");
if (thisStart >= thisEnd && start >= end) return 0;
if (thisStart >= thisEnd) return -1;
if (start >= end) return 1;
start >>>= 0;
end >>>= 0;
thisStart >>>= 0;
thisEnd >>>= 0;
if (this === target) return 0;
let x = thisEnd - thisStart;
let y = end - start;
const len = Math.min(x, y);
const thisCopy = this.slice(thisStart, thisEnd);
const targetCopy = target.slice(start, end);
for(let i = 0; i < len; ++i)if (thisCopy[i] !== targetCopy[i]) {
x = thisCopy[i];
y = targetCopy[i];
break;
}
if (x < y) return -1;
if (y < x) return 1;
return 0;
};
// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
// Empty buffer means no match
if (buffer.length === 0) return -1;
// Normalize byteOffset
if (typeof byteOffset === "string") {
encoding = byteOffset;
byteOffset = 0;
} else if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff;
else if (byteOffset < -2147483648) byteOffset = -2147483648;
byteOffset = +byteOffset // Coerce to Number.
;
if (numberIsNaN(byteOffset)) // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
byteOffset = dir ? 0 : buffer.length - 1;
// Normalize byteOffset: negative offsets start from the end of the buffer
if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
if (byteOffset >= buffer.length) {
if (dir) return -1;
else byteOffset = buffer.length - 1;
} else if (byteOffset < 0) {
if (dir) byteOffset = 0;
else return -1;
}
// Normalize val
if (typeof val === "string") val = Buffer.from(val, encoding);
// Finally, search either indexOf (if dir is true) or lastIndexOf
if (Buffer.isBuffer(val)) {
// Special case: looking for empty string/buffer always fails
if (val.length === 0) return -1;
return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
} else if (typeof val === "number") {
val = val & 0xFF // Search for a byte value [0-255]
;
if (typeof Uint8Array.prototype.indexOf === "function") {
if (dir) return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
else return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
}
return arrayIndexOf(buffer, [
val
], byteOffset, encoding, dir);
}
throw new TypeError("val must be string, number or Buffer");
}
function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
let indexSize = 1;
let arrLength = arr.length;
let valLength = val.length;
if (encoding !== undefined) {
encoding = String(encoding).toLowerCase();
if (encoding === "ucs2" || encoding === "ucs-2" || encoding === "utf16le" || encoding === "utf-16le") {
if (arr.length < 2 || val.length < 2) return -1;
indexSize = 2;
arrLength /= 2;
valLength /= 2;
byteOffset /= 2;
}
}
function read(buf, i) {
if (indexSize === 1) return buf[i];
else return buf.readUInt16BE(i * indexSize);
}
let i;
if (dir) {
let foundIndex = -1;
for(i = byteOffset; i < arrLength; i++)if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
if (foundIndex === -1) foundIndex = i;
if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
} else {
if (foundIndex !== -1) i -= i - foundIndex;
foundIndex = -1;
}
} else {
if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
for(i = byteOffset; i >= 0; i--){
let found = true;
for(let j = 0; j < valLength; j++)if (read(arr, i + j) !== read(val, j)) {
found = false;
break;
}
if (found) return i;
}
}
return -1;
}
Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
return this.indexOf(val, byteOffset, encoding) !== -1;
};
Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
};
Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
};
function hexWrite(buf, string, offset, length) {
offset = Number(offset) || 0;
const remaining = buf.length - offset;
if (!length) length = remaining;
else {
length = Number(length);
if (length > remaining) length = remaining;
}
const strLen = string.length;
if (length > strLen / 2) length = strLen / 2;
let i;
for(i = 0; i < length; ++i){
const parsed = parseInt(string.substr(i * 2, 2), 16);
if (numberIsNaN(parsed)) return i;
buf[offset + i] = parsed;
}
return i;
}
function utf8Write(buf, string, offset, length) {
return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
}
function asciiWrite(buf, string, offset, length) {
return blitBuffer(asciiToBytes(string), buf, offset, length);
}
function base64Write(buf, string, offset, length) {
return blitBuffer(base64ToBytes(string), buf, offset, length);
}
function ucs2Write(buf, string, offset, length) {
return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
}
Buffer.prototype.write = function write(string, offset, length, encoding) {
// Buffer#write(string)
if (offset === undefined) {
encoding = "utf8";
length = this.length;
offset = 0;
// Buffer#write(string, encoding)
} else if (length === undefined && typeof offset === "string") {
encoding = offset;
length = this.length;
offset = 0;
// Buffer#write(string, offset[, length][, encoding])
} else if (isFinite(offset)) {
offset = offset >>> 0;
if (isFinite(length)) {
length = length >>> 0;
if (encoding === undefined) encoding = "utf8";
} else {
encoding = length;
length = undefined;
}
} else throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");
const remaining = this.length - offset;
if (length === undefined || length > remaining) length = remaining;
if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) throw new RangeError("Attempt to write outside buffer bounds");
if (!encoding) encoding = "utf8";
let loweredCase = false;
for(;;)switch(encoding){
case "hex":
return hexWrite(this, string, offset, length);
case "utf8":
case "utf-8":
return utf8Write(this, string, offset, length);
case "ascii":
case "latin1":
case "binary":
return asciiWrite(this, string, offset, length);
case "base64":
// Warning: maxLength not taken into account in base64Write
return base64Write(this, string, offset, length);
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return ucs2Write(this, string, offset, length);
default:
if (loweredCase) throw new TypeError("Unknown encoding: " + encoding);
encoding = ("" + encoding).toLowerCase();
loweredCase = true;
}
};
Buffer.prototype.toJSON = function toJSON() {
return {
type: "Buffer",
data: Array.prototype.slice.call(this._arr || this, 0)
};
};
function base64Slice(buf, start, end) {
if (start === 0 && end === buf.length) return base64.fromByteArray(buf);
else return base64.fromByteArray(buf.slice(start, end));
}
function utf8Slice(buf, start, end) {
end = Math.min(buf.length, end);
const res = [];
let i = start;
while(i < end){
const firstByte = buf[i];
let codePoint = null;
let bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;
if (i + bytesPerSequence <= end) {
let secondByte, thirdByte, fourthByte, tempCodePoint;
switch(bytesPerSequence){
case 1:
if (firstByte < 0x80) codePoint = firstByte;
break;
case 2:
secondByte = buf[i + 1];
if ((secondByte & 0xC0) === 0x80) {
tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;
if (tempCodePoint > 0x7F) codePoint = tempCodePoint;
}
break;
case 3:
secondByte = buf[i + 1];
thirdByte = buf[i + 2];
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;
if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) codePoint = tempCodePoint;
}
break;
case 4:
secondByte = buf[i + 1];
thirdByte = buf[i + 2];
fourthByte = buf[i + 3];
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;
if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) codePoint = tempCodePoint;
}
}
}
if (codePoint === null) {
// we did not generate a valid codePoint so insert a
// replacement char (U+FFFD) and advance only 1 byte
codePoint = 0xFFFD;
bytesPerSequence = 1;
} else if (codePoint > 0xFFFF) {
// encode to utf16 (surrogate pair dance)
codePoint -= 0x10000;
res.push(codePoint >>> 10 & 0x3FF | 0xD800);
codePoint = 0xDC00 | codePoint & 0x3FF;
}
res.push(codePoint);
i += bytesPerSequence;
}
return decodeCodePointsArray(res);
}
// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
const MAX_ARGUMENTS_LENGTH = 0x1000;
function decodeCodePointsArray(codePoints) {
const len = codePoints.length;
if (len <= MAX_ARGUMENTS_LENGTH) return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
;
// Decode in chunks to avoid "call stack size exceeded".
let res = "";
let i = 0;
while(i < len)res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
return res;
}
function asciiSlice(buf, start, end) {
let ret = "";
end = Math.min(buf.length, end);
for(let i = start; i < end; ++i)ret += String.fromCharCode(buf[i] & 0x7F);
return ret;
}
function latin1Slice(buf, start, end) {
let ret = "";
end = Math.min(buf.length, end);
for(let i = start; i < end; ++i)ret += String.fromCharCode(buf[i]);
return ret;
}
function hexSlice(buf, start, end) {
const len = buf.length;
if (!start || start < 0) start = 0;
if (!end || end < 0 || end > len) end = len;
let out = "";
for(let i = start; i < end; ++i)out += hexSliceLookupTable[buf[i]];
return out;
}
function utf16leSlice(buf, start, end) {
const bytes = buf.slice(start, end);
let res = "";
// If bytes.length is odd, the last 8 bits must be ignored (same as node.js)
for(let i = 0; i < bytes.length - 1; i += 2)res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
return res;
}
Buffer.prototype.slice = function slice(start, end) {
const len = this.length;
start = ~~start;
end = end === undefined ? len : ~~end;
if (start < 0) {
start += len;
if (start < 0) start = 0;
} else if (start > len) start = len;
if (end < 0) {
end += len;
if (end < 0) end = 0;
} else if (end > len) end = len;
if (end < start) end = start;
const newBuf = this.subarray(start, end);
// Return an augmented `Uint8Array` instance
Object.setPrototypeOf(newBuf, Buffer.prototype);
return newBuf;
};
/*
* Need to make sure that buffer isn't trying to write out of bounds.
*/ function checkOffset(offset, ext, length) {
if (offset % 1 !== 0 || offset < 0) throw new RangeError("offset is not uint");
if (offset + ext > length) throw new RangeError("Trying to access beyond buffer length");
}
Buffer.prototype.readUintLE = Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
offset = offset >>> 0;
byteLength = byteLength >>> 0;
if (!noAssert) checkOffset(offset, byteLength, this.length);
let val = this[offset];
let mul = 1;
let i = 0;
while(++i < byteLength && (mul *= 0x100))val += this[offset + i] * mul;
return val;
};
Buffer.prototype.readUintBE = Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
offset = offset >>> 0;
byteLength = byteLength >>> 0;
if (!noAssert) checkOffset(offset, byteLength, this.length);
let val = this[offset + --byteLength];
let mul = 1;
while(byteLength > 0 && (mul *= 0x100))val += this[offset + --byteLength] * mul;
return val;
};
Buffer.prototype.readUint8 = Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 1, this.length);
return this[offset];
};
Buffer.prototype.readUint16LE = Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 2, this.length);
return this[offset] | this[offset + 1] << 8;
};
Buffer.prototype.readUint16BE = Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 2, this.length);
return this[offset] << 8 | this[offset + 1];
};
Buffer.prototype.readUint32LE = Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 4, this.length);
return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
};
Buffer.prototype.readUint32BE = Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 4, this.length);
return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
};
Buffer.prototype.readBigUInt64LE = defineBigIntMethod(function readBigUInt64LE(offset) {
offset = offset >>> 0;
validateNumber(offset, "offset");
const first = this[offset];
const last = this[offset + 7];
if (first === undefined || last === undefined) boundsError(offset, this.length - 8);
const lo = first + this[++offset] * 256 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 24;
const hi = this[++offset] + this[++offset] * 256 + this[++offset] * 2 ** 16 + last * 2 ** 24;
return BigInt(lo) + (BigInt(hi) << BigInt(32));
});
Buffer.prototype.readBigUInt64BE = defineBigIntMethod(function readBigUInt64BE(offset) {
offset = offset >>> 0;
validateNumber(offset, "offset");
const first = this[offset];
const last = this[offset + 7];
if (first === undefined || last === undefined) boundsError(offset, this.length - 8);
const hi = first * 2 ** 24 + this[++offset] * 2 ** 16 + this[++offset] * 256 + this[++offset];
const lo = this[++offset] * 2 ** 24 + this[++offset] * 2 ** 16 + this[++offset] * 256 + last;
return (BigInt(hi) << BigInt(32)) + BigInt(lo);
});
Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
offset = offset >>> 0;
byteLength = byteLength >>> 0;
if (!noAssert) checkOffset(offset, byteLength, this.length);
let val = this[offset];
let mul = 1;
let i = 0;
while(++i < byteLength && (mul *= 0x100))val += this[offset + i] * mul;
mul *= 0x80;
if (val >= mul) val -= Math.pow(2, 8 * byteLength);
return val;
};
Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
offset = offset >>> 0;
byteLength = byteLength >>> 0;
if (!noAssert) checkOffset(offset, byteLength, this.length);
let i = byteLength;
let mul = 1;
let val = this[offset + --i];
while(i > 0 && (mul *= 0x100))val += this[offset + --i] * mul;
mul *= 0x80;
if (val >= mul) val -= Math.pow(2, 8 * byteLength);
return val;
};
Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 1, this.length);
if (!(this[offset] & 0x80)) return this[offset];
return (0xff - this[offset] + 1) * -1;
};
Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 2, this.length);
const val = this[offset] | this[offset + 1] << 8;
return val & 0x8000 ? val | 0xFFFF0000 : val;
};
Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 2, this.length);
const val = this[offset + 1] | this[offset] << 8;
return val & 0x8000 ? val | 0xFFFF0000 : val;
};
Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 4, this.length);
return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
};
Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 4, this.length);
return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
};
Buffer.prototype.readBigInt64LE = defineBigIntMethod(function readBigInt64LE(offset) {
offset = offset >>> 0;
validateNumber(offset, "offset");
const first = this[offset];
const last = this[offset + 7];
if (first === undefined || last === undefined) boundsError(offset, this.length - 8);
const val = this[offset + 4] + this[offset + 5] * 256 + this[offset + 6] * 2 ** 16 + (last << 24 // Overflow
);
return (BigInt(val) << BigInt(32)) + BigInt(first + this[++offset] * 256 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 24);
});
Buffer.prototype.readBigInt64BE = defineBigIntMethod(function readBigInt64BE(offset) {
offset = offset >>> 0;
validateNumber(offset, "offset");
const first = this[offset];
const last = this[offset + 7];
if (first === undefined || last === undefined) boundsError(offset, this.length - 8);
const val = (first << 24) + // Overflow
this[++offset] * 2 ** 16 + this[++offset] * 256 + this[++offset];
return (BigInt(val) << BigInt(32)) + BigInt(this[++offset] * 2 ** 24 + this[++offset] * 2 ** 16 + this[++offset] * 256 + last);
});
Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 4, this.length);
return ieee754.read(this, offset, true, 23, 4);
};
Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 4, this.length);
return ieee754.read(this, offset, false, 23, 4);
};
Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 8, this.length);
return ieee754.read(this, offset, true, 52, 8);
};
Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
offset = offset >>> 0;
if (!noAssert) checkOffset(offset, 8, this.length);
return ieee754.read(this, offset, false, 52, 8);
};
function checkInt(buf, value, offset, ext, max, min) {
if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
if (offset + ext > buf.length) throw new RangeError("Index out of range");
}
Buffer.prototype.writeUintLE = Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
value = +value;
offset = offset >>> 0;
byteLength = byteLength >>> 0;
if (!noAssert) {
const maxBytes = Math.pow(2, 8 * byteLength) - 1;
checkInt(this, value, offset, byteLength, maxBytes, 0);
}
let mul = 1;
let i = 0;
this[offset] = value & 0xFF;
while(++i < byteLength && (mul *= 0x100))this[offset + i] = value / mul & 0xFF;
return offset + byteLength;
};
Buffer.prototype.writeUintBE = Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
value = +value;
offset = offset >>> 0;
byteLength = byteLength >>> 0;
if (!noAssert) {
const maxBytes = Math.pow(2, 8 * byteLength) - 1;
checkInt(this, value, offset, byteLength, maxBytes, 0);
}
let i = byteLength - 1;
let mul = 1;
this[offset + i] = value & 0xFF;
while(--i >= 0 && (mul *= 0x100))this[offset + i] = value / mul & 0xFF;
return offset + byteLength;
};
Buffer.prototype.writeUint8 = Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
this[offset] = value & 0xff;
return offset + 1;
};
Buffer.prototype.writeUint16LE = Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
this[offset] = value & 0xff;
this[offset + 1] = value >>> 8;
return offset + 2;
};
Buffer.prototype.writeUint16BE = Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
this[offset] = value >>> 8;
this[offset + 1] = value & 0xff;
return offset + 2;
};
Buffer.prototype.writeUint32LE = Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
this[offset + 3] = value >>> 24;
this[offset + 2] = value >>> 16;
this[offset + 1] = value >>> 8;
this[offset] = value & 0xff;
return offset + 4;
};
Buffer.prototype.writeUint32BE = Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
this[offset] = value >>> 24;
this[offset + 1] = value >>> 16;
this[offset + 2] = value >>> 8;
this[offset + 3] = value & 0xff;
return offset + 4;
};
function wrtBigUInt64LE(buf, value, offset, min, max) {
checkIntBI(value, min, max, buf, offset, 7);
let lo = Number(value & BigInt(0xffffffff));
buf[offset++] = lo;
lo = lo >> 8;
buf[offset++] = lo;
lo = lo >> 8;
buf[offset++] = lo;
lo = lo >> 8;
buf[offset++] = lo;
let hi = Number(value >> BigInt(32) & BigInt(0xffffffff));
buf[offset++] = hi;
hi = hi >> 8;
buf[offset++] = hi;
hi = hi >> 8;
buf[offset++] = hi;
hi = hi >> 8;
buf[offset++] = hi;
return offset;
}
function wrtBigUInt64BE(buf, value, offset, min, max) {
checkIntBI(value, min, max, buf, offset, 7);
let lo = Number(value & BigInt(0xffffffff));
buf[offset + 7] = lo;
lo = lo >> 8;
buf[offset + 6] = lo;
lo = lo >> 8;
buf[offset + 5] = lo;
lo = lo >> 8;
buf[offset + 4] = lo;
let hi = Number(value >> BigInt(32) & BigInt(0xffffffff));
buf[offset + 3] = hi;
hi = hi >> 8;
buf[offset + 2] = hi;
hi = hi >> 8;
buf[offset + 1] = hi;
hi = hi >> 8;
buf[offset] = hi;
return offset + 8;
}
Buffer.prototype.writeBigUInt64LE = defineBigIntMethod(function writeBigUInt64LE(value, offset = 0) {
return wrtBigUInt64LE(this, value, offset, BigInt(0), BigInt("0xffffffffffffffff"));
});
Buffer.prototype.writeBigUInt64BE = defineBigIntMethod(function writeBigUInt64BE(value, offset = 0) {
return wrtBigUInt64BE(this, value, offset, BigInt(0), BigInt("0xffffffffffffffff"));
});
Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) {
const limit = Math.pow(2, 8 * byteLength - 1);
checkInt(this, value, offset, byteLength, limit - 1, -limit);
}
let i = 0;
let mul = 1;
let sub = 0;
this[offset] = value & 0xFF;
while(++i < byteLength && (mul *= 0x100)){
if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) sub = 1;
this[offset + i] = (value / mul >> 0) - sub & 0xFF;
}
return offset + byteLength;
};
Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) {
const limit = Math.pow(2, 8 * byteLength - 1);
checkInt(this, value, offset, byteLength, limit - 1, -limit);
}
let i = byteLength - 1;
let mul = 1;
let sub = 0;
this[offset + i] = value & 0xFF;
while(--i >= 0 && (mul *= 0x100)){
if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) sub = 1;
this[offset + i] = (value / mul >> 0) - sub & 0xFF;
}
return offset + byteLength;
};
Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -128);
if (value < 0) value = 0xff + value + 1;
this[offset] = value & 0xff;
return offset + 1;
};
Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -32768);
this[offset] = value & 0xff;
this[offset + 1] = value >>> 8;
return offset + 2;
};
Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -32768);
this[offset] = value >>> 8;
this[offset + 1] = value & 0xff;
return offset + 2;
};
Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -2147483648);
this[offset] = value & 0xff;
this[offset + 1] = value >>> 8;
this[offset + 2] = value >>> 16;
this[offset + 3] = value >>> 24;
return offset + 4;
};
Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -2147483648);
if (value < 0) value = 0xffffffff + value + 1;
this[offset] = value >>> 24;
this[offset + 1] = value >>> 16;
this[offset + 2] = value >>> 8;
this[offset + 3] = value & 0xff;
return offset + 4;
};
Buffer.prototype.writeBigInt64LE = defineBigIntMethod(function writeBigInt64LE(value, offset = 0) {
return wrtBigUInt64LE(this, value, offset, -BigInt("0x8000000000000000"), BigInt("0x7fffffffffffffff"));
});
Buffer.prototype.writeBigInt64BE = defineBigIntMethod(function writeBigInt64BE(value, offset = 0) {
return wrtBigUInt64BE(this, value, offset, -BigInt("0x8000000000000000"), BigInt("0x7fffffffffffffff"));
});
function checkIEEE754(buf, value, offset, ext, max, min) {
if (offset + ext > buf.length) throw new RangeError("Index out of range");
if (offset < 0) throw new RangeError("Index out of range");
}
function writeFloat(buf, value, offset, littleEndian, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -340282346638528860000000000000000000000);
ieee754.write(buf, value, offset, littleEndian, 23, 4);
return offset + 4;
}
Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
return writeFloat(this, value, offset, true, noAssert);
};
Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
return writeFloat(this, value, offset, false, noAssert);
};
function writeDouble(buf, value, offset, littleEndian, noAssert) {
value = +value;
offset = offset >>> 0;
if (!noAssert) checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -179769313486231570000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000);
ieee754.write(buf, value, offset, littleEndian, 52, 8);
return offset + 8;
}
Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
return writeDouble(this, value, offset, true, noAssert);
};
Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
return writeDouble(this, value, offset, false, noAssert);
};
// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy(target, targetStart, start, end) {
if (!Buffer.isBuffer(target)) throw new TypeError("argument should be a Buffer");
if (!start) start = 0;
if (!end && end !== 0) end = this.length;
if (targetStart >= target.length) targetStart = target.length;
if (!targetStart) targetStart = 0;
if (end > 0 && end < start) end = start;
// Copy 0 bytes; we're done
if (end === start) return 0;
if (target.length === 0 || this.length === 0) return 0;
// Fatal error conditions
if (targetStart < 0) throw new RangeError("targetStart out of bounds");
if (start < 0 || start >= this.length) throw new RangeError("Index out of range");
if (end < 0) throw new RangeError("sourceEnd out of bounds");
// Are we oob?
if (end > this.length) end = this.length;
if (target.length - targetStart < end - start) end = target.length - targetStart + start;
const len = end - start;
if (this === target && typeof Uint8Array.prototype.copyWithin === "function") // Use built-in when available, missing from IE11
this.copyWithin(targetStart, start, end);
else Uint8Array.prototype.set.call(target, this.subarray(start, end), targetStart);
return len;
};
// Usage:
// buffer.fill(number[, offset[, end]])
// buffer.fill(buffer[, offset[, end]])
// buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill(val, start, end, encoding) {
// Handle string cases:
if (typeof val === "string") {
if (typeof start === "string") {
encoding = start;
start = 0;
end = this.length;
} else if (typeof end === "string") {
encoding = end;
end = this.length;
}
if (encoding !== undefined && typeof encoding !== "string") throw new TypeError("encoding must be a string");
if (typeof encoding === "string" && !Buffer.isEncoding(encoding)) throw new TypeError("Unknown encoding: " + encoding);
if (val.length === 1) {
const code = val.charCodeAt(0);
if (encoding === "utf8" && code < 128 || encoding === "latin1") // Fast path: If `val` fits into a single byte, use that numeric value.
val = code;
}
} else if (typeof val === "number") val = val & 255;
else if (typeof val === "boolean") val = Number(val);
// Invalid ranges are not set to a default, so can range check early.
if (start < 0 || this.length < start || this.length < end) throw new RangeError("Out of range index");
if (end <= start) return this;
start = start >>> 0;
end = end === undefined ? this.length : end >>> 0;
if (!val) val = 0;
let i;
if (typeof val === "number") for(i = start; i < end; ++i)this[i] = val;
else {
const bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding);
const len = bytes.length;
if (len === 0) throw new TypeError('The value "' + val + '" is invalid for argument "value"');
for(i = 0; i < end - start; ++i)this[i + start] = bytes[i % len];
}
return this;
};
// CUSTOM ERRORS
// =============
// Simplified versions from Node, changed for Buffer-only usage
const errors = {};
function E(sym, getMessage, Base) {
errors[sym] = class NodeError extends Base {
constructor(){
super();
Object.defineProperty(this, "message", {
value: getMessage.apply(this, arguments),
writable: true,
configurable: true
});
// Add the error code to the name to include it in the stack trace.
this.name = `${this.name} [${sym}]`;
// Access the stack to generate the error message including the error code
// from the name.
this.stack // eslint-disable-line no-unused-expressions
;
// Reset the name to the actual name.
delete this.name;
}
get code() {
return sym;
}
set code(value) {
Object.defineProperty(this, "code", {
configurable: true,
enumerable: true,
value,
writable: true
});
}
toString() {
return `${this.name} [${sym}]: ${this.message}`;
}
};
}
E("ERR_BUFFER_OUT_OF_BOUNDS", function(name) {
if (name) return `${name} is outside of buffer bounds`;
return "Attempt to access memory outside buffer bounds";
}, RangeError);
E("ERR_INVALID_ARG_TYPE", function(name, actual) {
return `The "${name}" argument must be of type number. Received type ${typeof actual}`;
}, TypeError);
E("ERR_OUT_OF_RANGE", function(str, range, input) {
let msg = `The value of "${str}" is out of range.`;
let received = input;
if (Number.isInteger(input) && Math.abs(input) > 2 ** 32) received = addNumericalSeparator(String(input));
else if (typeof input === "bigint") {
received = String(input);
if (input > BigInt(2) ** BigInt(32) || input < -(BigInt(2) ** BigInt(32))) received = addNumericalSeparator(received);
received += "n";
}
msg += ` It must be ${range}. Received ${received}`;
return msg;
}, RangeError);
function addNumericalSeparator(val) {
let res = "";
let i = val.length;
const start = val[0] === "-" ? 1 : 0;
for(; i >= start + 4; i -= 3)res = `_${val.slice(i - 3, i)}${res}`;
return `${val.slice(0, i)}${res}`;
}
// CHECK FUNCTIONS
// ===============
function checkBounds(buf, offset, byteLength) {
validateNumber(offset, "offset");
if (buf[offset] === undefined || buf[offset + byteLength] === undefined) boundsError(offset, buf.length - (byteLength + 1));
}
function checkIntBI(value, min, max, buf, offset, byteLength) {
if (value > max || value < min) {
const n = typeof min === "bigint" ? "n" : "";
let range;
if (byteLength > 3) {
if (min === 0 || min === BigInt(0)) range = `>= 0${n} and < 2${n} ** ${(byteLength + 1) * 8}${n}`;
else range = `>= -(2${n} ** ${(byteLength + 1) * 8 - 1}${n}) and < 2 ** ` + `${(byteLength + 1) * 8 - 1}${n}`;
} else range = `>= ${min}${n} and <= ${max}${n}`;
throw new errors.ERR_OUT_OF_RANGE("value", range, value);
}
checkBounds(buf, offset, byteLength);
}
function validateNumber(value, name) {
if (typeof value !== "number") throw new errors.ERR_INVALID_ARG_TYPE(name, "number", value);
}
function boundsError(value, length, type) {
if (Math.floor(value) !== value) {
validateNumber(value, type);
throw new errors.ERR_OUT_OF_RANGE(type || "offset", "an integer", value);
}
if (length < 0) throw new errors.ERR_BUFFER_OUT_OF_BOUNDS();
throw new errors.ERR_OUT_OF_RANGE(type || "offset", `>= ${type ? 1 : 0} and <= ${length}`, value);
}
// HELPER FUNCTIONS
// ================
const INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g;
function base64clean(str) {
// Node takes equal signs as end of the Base64 encoding
str = str.split("=")[0];
// Node strips out invalid characters like \n and \t from the string, base64-js does not
str = str.trim().replace(INVALID_BASE64_RE, "");
// Node converts strings with length < 2 to ''
if (str.length < 2) return "";
// Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
while(str.length % 4 !== 0)str = str + "=";
return str;
}
function utf8ToBytes(string, units) {
units = units || Infinity;
let codePoint;
const length = string.length;
let leadSurrogate = null;
const bytes = [];
for(let i = 0; i < length; ++i){
codePoint = string.charCodeAt(i);
// is surrogate component
if (codePoint > 0xD7FF && codePoint < 0xE000) {
// last char was a lead
if (!leadSurrogate) {
// no lead yet
if (codePoint > 0xDBFF) {
// unexpected trail
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
continue;
} else if (i + 1 === length) {
// unpaired lead
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
continue;
}
// valid lead
leadSurrogate = codePoint;
continue;
}
// 2 leads in a row
if (codePoint < 0xDC00) {
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
leadSurrogate = codePoint;
continue;
}
// valid surrogate pair
codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
} else if (leadSurrogate) // valid bmp char, but last char was a lead
{
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
}
leadSurrogate = null;
// encode utf8
if (codePoint < 0x80) {
if ((units -= 1) < 0) break;
bytes.push(codePoint);
} else if (codePoint < 0x800) {
if ((units -= 2) < 0) break;
bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
} else if (codePoint < 0x10000) {
if ((units -= 3) < 0) break;
bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
} else if (codePoint < 0x110000) {
if ((units -= 4) < 0) break;
bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
} else throw new Error("Invalid code point");
}
return bytes;
}
function asciiToBytes(str) {
const byteArray = [];
for(let i = 0; i < str.length; ++i)// Node's code seems to be doing this and not & 0x7F..
byteArray.push(str.charCodeAt(i) & 0xFF);
return byteArray;
}
function utf16leToBytes(str, units) {
let c, hi, lo;
const byteArray = [];
for(let i = 0; i < str.length; ++i){
if ((units -= 2) < 0) break;
c = str.charCodeAt(i);
hi = c >> 8;
lo = c % 256;
byteArray.push(lo);
byteArray.push(hi);
}
return byteArray;
}
function base64ToBytes(str) {
return base64.toByteArray(base64clean(str));
}
function blitBuffer(src, dst, offset, length) {
let i;
for(i = 0; i < length; ++i){
if (i + offset >= dst.length || i >= src.length) break;
dst[i + offset] = src[i];
}
return i;
}
// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
// the `instanceof` check but they should be treated as of that type.
// See: https://github.com/feross/buffer/issues/166
function isInstance(obj, type) {
return obj instanceof type || obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name;
}
function numberIsNaN(obj) {
// For IE11 support
return obj !== obj // eslint-disable-line no-self-compare
;
}
// Create lookup table for `toString('hex')`
// See: https://github.com/feross/buffer/issues/219
const hexSliceLookupTable = function() {
const alphabet = "0123456789abcdef";
const table = new Array(256);
for(let i = 0; i < 16; ++i){
const i16 = i * 16;
for(let j = 0; j < 16; ++j)table[i16 + j] = alphabet[i] + alphabet[j];
}
return table;
}();
// Return not function with Error if BigInt not supported
function defineBigIntMethod(fn) {
return typeof BigInt === "undefined" ? BufferBigIntNotDefined : fn;
}
function BufferBigIntNotDefined() {
throw new Error("BigInt not supported");
}
},{"9c62938f1dccc73c":"eIiSV","aceacb6a4531a9d2":"cO95r"}],"eIiSV":[function(require,module,exports) {
"use strict";
exports.byteLength = byteLength;
exports.toByteArray = toByteArray;
exports.fromByteArray = fromByteArray;
var lookup = [];
var revLookup = [];
var Arr = typeof Uint8Array !== "undefined" ? Uint8Array : Array;
var code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
for(var i = 0, len = code.length; i < len; ++i){
lookup[i] = code[i];
revLookup[code.charCodeAt(i)] = i;
}
// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup["-".charCodeAt(0)] = 62;
revLookup["_".charCodeAt(0)] = 63;
function getLens(b64) {
var len = b64.length;
if (len % 4 > 0) throw new Error("Invalid string. Length must be a multiple of 4");
// Trim off extra bytes after placeholder bytes are found
// See: https://github.com/beatgammit/base64-js/issues/42
var validLen = b64.indexOf("=");
if (validLen === -1) validLen = len;
var placeHoldersLen = validLen === len ? 0 : 4 - validLen % 4;
return [
validLen,
placeHoldersLen
];
}
// base64 is 4/3 + up to two characters of the original data
function byteLength(b64) {
var lens = getLens(b64);
var validLen = lens[0];
var placeHoldersLen = lens[1];
return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
}
function _byteLength(b64, validLen, placeHoldersLen) {
return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
}
function toByteArray(b64) {
var tmp;
var lens = getLens(b64);
var validLen = lens[0];
var placeHoldersLen = lens[1];
var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
var curByte = 0;
// if there are placeholders, only get up to the last complete 4 chars
var len = placeHoldersLen > 0 ? validLen - 4 : validLen;
var i;
for(i = 0; i < len; i += 4){
tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
arr[curByte++] = tmp >> 16 & 0xFF;
arr[curByte++] = tmp >> 8 & 0xFF;
arr[curByte++] = tmp & 0xFF;
}
if (placeHoldersLen === 2) {
tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
arr[curByte++] = tmp & 0xFF;
}
if (placeHoldersLen === 1) {
tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
arr[curByte++] = tmp >> 8 & 0xFF;
arr[curByte++] = tmp & 0xFF;
}
return arr;
}
function tripletToBase64(num) {
return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
}
function encodeChunk(uint8, start, end) {
var tmp;
var output = [];
for(var i = start; i < end; i += 3){
tmp = (uint8[i] << 16 & 0xFF0000) + (uint8[i + 1] << 8 & 0xFF00) + (uint8[i + 2] & 0xFF);
output.push(tripletToBase64(tmp));
}
return output.join("");
}
function fromByteArray(uint8) {
var tmp;
var len = uint8.length;
var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
;
var parts = [];
var maxChunkLength = 16383 // must be multiple of 3
;
// go through the array every three bytes, we'll deal with trailing stuff later
for(var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength)parts.push(encodeChunk(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
// pad the end with zeros, but make sure to not forget the extra bytes
if (extraBytes === 1) {
tmp = uint8[len - 1];
parts.push(lookup[tmp >> 2] + lookup[tmp << 4 & 0x3F] + "==");
} else if (extraBytes === 2) {
tmp = (uint8[len - 2] << 8) + uint8[len - 1];
parts.push(lookup[tmp >> 10] + lookup[tmp >> 4 & 0x3F] + lookup[tmp << 2 & 0x3F] + "=");
}
return parts.join("");
}
},{}],"cO95r":[function(require,module,exports) {
/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */ exports.read = function(buffer, offset, isLE, mLen, nBytes) {
var e, m;
var eLen = nBytes * 8 - mLen - 1;
var eMax = (1 << eLen) - 1;
var eBias = eMax >> 1;
var nBits = -7;
var i = isLE ? nBytes - 1 : 0;
var d = isLE ? -1 : 1;
var s = buffer[offset + i];
i += d;
e = s & (1 << -nBits) - 1;
s >>= -nBits;
nBits += eLen;
for(; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8);
m = e & (1 << -nBits) - 1;
e >>= -nBits;
nBits += mLen;
for(; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8);
if (e === 0) e = 1 - eBias;
else if (e === eMax) return m ? NaN : (s ? -1 : 1) * Infinity;
else {
m = m + Math.pow(2, mLen);
e = e - eBias;
}
return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
};
exports.write = function(buffer, value, offset, isLE, mLen, nBytes) {
var e, m, c;
var eLen = nBytes * 8 - mLen - 1;
var eMax = (1 << eLen) - 1;
var eBias = eMax >> 1;
var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
var i = isLE ? 0 : nBytes - 1;
var d = isLE ? 1 : -1;
var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
value = Math.abs(value);
if (isNaN(value) || value === Infinity) {
m = isNaN(value) ? 1 : 0;
e = eMax;
} else {
e = Math.floor(Math.log(value) / Math.LN2);
if (value * (c = Math.pow(2, -e)) < 1) {
e--;
c *= 2;
}
if (e + eBias >= 1) value += rt / c;
else value += rt * Math.pow(2, 1 - eBias);
if (value * c >= 2) {
e++;
c /= 2;
}
if (e + eBias >= eMax) {
m = 0;
e = eMax;
} else if (e + eBias >= 1) {
m = (value * c - 1) * Math.pow(2, mLen);
e = e + eBias;
} else {
m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
e = 0;
}
}
for(; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8);
e = e << mLen | m;
eLen += mLen;
for(; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8);
buffer[offset + i - d] |= s * 128;
};
},{}],"k06Qi":[function(require,module,exports) {
/**
* Module dependencies.
*/ var eio = require("f57be303c493efd2");
var Socket = require("e760c9b2a747031c");
var Emitter = require("99ae4b9e5778008");
var parser = require("6966ecce58a0bdaf");
var on = require("80141cdb0669abd5");
var bind = require("4b01f94098858aec");
var debug = require("5a5644a1e8ec0623")("socket.io-client:manager");
var indexOf = require("4aecf95553dd3ef1");
var Backoff = require("c2a95f6083d1f904");
/**
* IE6+ hasOwnProperty
*/ var has = Object.prototype.hasOwnProperty;
/**
* Module exports
*/ module.exports = Manager;
/**
* `Manager` constructor.
*
* @param {String} engine instance or engine uri/opts
* @param {Object} options
* @api public
*/ function Manager(uri, opts) {
if (!(this instanceof Manager)) return new Manager(uri, opts);
if (uri && "object" === typeof uri) {
opts = uri;
uri = undefined;
}
opts = opts || {};
opts.path = opts.path || "/socket.io";
this.nsps = {};
this.subs = [];
this.opts = opts;
this.reconnection(opts.reconnection !== false);
this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
this.reconnectionDelay(opts.reconnectionDelay || 1000);
this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
this.randomizationFactor(opts.randomizationFactor || 0.5);
this.backoff = new Backoff({
min: this.reconnectionDelay(),
max: this.reconnectionDelayMax(),
jitter: this.randomizationFactor()
});
this.timeout(null == opts.timeout ? 20000 : opts.timeout);
this.readyState = "closed";
this.uri = uri;
this.connecting = [];
this.lastPing = null;
this.encoding = false;
this.packetBuffer = [];
var _parser = opts.parser || parser;
this.encoder = new _parser.Encoder();
this.decoder = new _parser.Decoder();
this.autoConnect = opts.autoConnect !== false;
if (this.autoConnect) this.open();
}
/**
* Propagate given event to sockets and emit on `this`
*
* @api private
*/ Manager.prototype.emitAll = function() {
this.emit.apply(this, arguments);
for(var nsp in this.nsps)if (has.call(this.nsps, nsp)) this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
};
/**
* Update `socket.id` of all sockets
*
* @api private
*/ Manager.prototype.updateSocketIds = function() {
for(var nsp in this.nsps)if (has.call(this.nsps, nsp)) this.nsps[nsp].id = this.generateId(nsp);
};
/**
* generate `socket.id` for the given `nsp`
*
* @param {String} nsp
* @return {String}
* @api private
*/ Manager.prototype.generateId = function(nsp) {
return (nsp === "/" ? "" : nsp + "#") + this.engine.id;
};
/**
* Mix in `Emitter`.
*/ Emitter(Manager.prototype);
/**
* Sets the `reconnection` config.
*
* @param {Boolean} true/false if it should automatically reconnect
* @return {Manager} self or value
* @api public
*/ Manager.prototype.reconnection = function(v) {
if (!arguments.length) return this._reconnection;
this._reconnection = !!v;
return this;
};
/**
* Sets the reconnection attempts config.
*
* @param {Number} max reconnection attempts before giving up
* @return {Manager} self or value
* @api public
*/ Manager.prototype.reconnectionAttempts = function(v) {
if (!arguments.length) return this._reconnectionAttempts;
this._reconnectionAttempts = v;
return this;
};
/**
* Sets the delay between reconnections.
*
* @param {Number} delay
* @return {Manager} self or value
* @api public
*/ Manager.prototype.reconnectionDelay = function(v) {
if (!arguments.length) return this._reconnectionDelay;
this._reconnectionDelay = v;
this.backoff && this.backoff.setMin(v);
return this;
};
Manager.prototype.randomizationFactor = function(v) {
if (!arguments.length) return this._randomizationFactor;
this._randomizationFactor = v;
this.backoff && this.backoff.setJitter(v);
return this;
};
/**
* Sets the maximum delay between reconnections.
*
* @param {Number} delay
* @return {Manager} self or value
* @api public
*/ Manager.prototype.reconnectionDelayMax = function(v) {
if (!arguments.length) return this._reconnectionDelayMax;
this._reconnectionDelayMax = v;
this.backoff && this.backoff.setMax(v);
return this;
};
/**
* Sets the connection timeout. `false` to disable
*
* @return {Manager} self or value
* @api public
*/ Manager.prototype.timeout = function(v) {
if (!arguments.length) return this._timeout;
this._timeout = v;
return this;
};
/**
* Starts trying to reconnect if reconnection is enabled and we have not
* started reconnecting yet
*
* @api private
*/ Manager.prototype.maybeReconnectOnOpen = function() {
// Only try to reconnect if it's the first time we're connecting
if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) // keeps reconnection from firing twice for the same reconnection loop
this.reconnect();
};
/**
* Sets the current transport `socket`.
*
* @param {Function} optional, callback
* @return {Manager} self
* @api public
*/ Manager.prototype.open = Manager.prototype.connect = function(fn, opts) {
debug("readyState %s", this.readyState);
if (~this.readyState.indexOf("open")) return this;
debug("opening %s", this.uri);
this.engine = eio(this.uri, this.opts);
var socket = this.engine;
var self = this;
this.readyState = "opening";
this.skipReconnect = false;
// emit `open`
var openSub = on(socket, "open", function() {
self.onopen();
fn && fn();
});
// emit `connect_error`
var errorSub = on(socket, "error", function(data) {
debug("connect_error");
self.cleanup();
self.readyState = "closed";
self.emitAll("connect_error", data);
if (fn) {
var err = new Error("Connection error");
err.data = data;
fn(err);
} else // Only do this if there is no fn to handle the error
self.maybeReconnectOnOpen();
});
// emit `connect_timeout`
if (false !== this._timeout) {
var timeout = this._timeout;
debug("connect attempt will timeout after %d", timeout);
if (timeout === 0) openSub.destroy(); // prevents a race condition with the 'open' event
// set timer
var timer = setTimeout(function() {
debug("connect attempt timed out after %d", timeout);
openSub.destroy();
socket.close();
socket.emit("error", "timeout");
self.emitAll("connect_timeout", timeout);
}, timeout);
this.subs.push({
destroy: function() {
clearTimeout(timer);
}
});
}
this.subs.push(openSub);
this.subs.push(errorSub);
return this;
};
/**
* Called upon transport open.
*
* @api private
*/ Manager.prototype.onopen = function() {
debug("open");
// clear old subs
this.cleanup();
// mark as open
this.readyState = "open";
this.emit("open");
// add new subs
var socket = this.engine;
this.subs.push(on(socket, "data", bind(this, "ondata")));
this.subs.push(on(socket, "ping", bind(this, "onping")));
this.subs.push(on(socket, "pong", bind(this, "onpong")));
this.subs.push(on(socket, "error", bind(this, "onerror")));
this.subs.push(on(socket, "close", bind(this, "onclose")));
this.subs.push(on(this.decoder, "decoded", bind(this, "ondecoded")));
};
/**
* Called upon a ping.
*
* @api private
*/ Manager.prototype.onping = function() {
this.lastPing = new Date();
this.emitAll("ping");
};
/**
* Called upon a packet.
*
* @api private
*/ Manager.prototype.onpong = function() {
this.emitAll("pong", new Date() - this.lastPing);
};
/**
* Called with data.
*
* @api private
*/ Manager.prototype.ondata = function(data) {
this.decoder.add(data);
};
/**
* Called when parser fully decodes a packet.
*
* @api private
*/ Manager.prototype.ondecoded = function(packet) {
this.emit("packet", packet);
};
/**
* Called upon socket error.
*
* @api private
*/ Manager.prototype.onerror = function(err) {
debug("error", err);
this.emitAll("error", err);
};
/**
* Creates a new socket for the given `nsp`.
*
* @return {Socket}
* @api public
*/ Manager.prototype.socket = function(nsp, opts) {
var socket = this.nsps[nsp];
if (!socket) {
socket = new Socket(this, nsp, opts);
this.nsps[nsp] = socket;
var self = this;
socket.on("connecting", onConnecting);
socket.on("connect", function() {
socket.id = self.generateId(nsp);
});
if (this.autoConnect) // manually call here since connecting event is fired before listening
onConnecting();
}
function onConnecting() {
if (!~indexOf(self.connecting, socket)) self.connecting.push(socket);
}
return socket;
};
/**
* Called upon a socket close.
*
* @param {Socket} socket
*/ Manager.prototype.destroy = function(socket) {
var index = indexOf(this.connecting, socket);
if (~index) this.connecting.splice(index, 1);
if (this.connecting.length) return;
this.close();
};
/**
* Writes a packet.
*
* @param {Object} packet
* @api private
*/ Manager.prototype.packet = function(packet) {
debug("writing packet %j", packet);
var self = this;
if (packet.query && packet.type === 0) packet.nsp += "?" + packet.query;
if (!self.encoding) {
// encode, then write to engine with result
self.encoding = true;
this.encoder.encode(packet, function(encodedPackets) {
for(var i = 0; i < encodedPackets.length; i++)self.engine.write(encodedPackets[i], packet.options);
self.encoding = false;
self.processPacketQueue();
});
} else self.packetBuffer.push(packet);
};
/**
* If packet buffer is non-empty, begins encoding the
* next packet in line.
*
* @api private
*/ Manager.prototype.processPacketQueue = function() {
if (this.packetBuffer.length > 0 && !this.encoding) {
var pack = this.packetBuffer.shift();
this.packet(pack);
}
};
/**
* Clean up transport subscriptions and packet buffer.
*
* @api private
*/ Manager.prototype.cleanup = function() {
debug("cleanup");
var subsLength = this.subs.length;
for(var i = 0; i < subsLength; i++){
var sub = this.subs.shift();
sub.destroy();
}
this.packetBuffer = [];
this.encoding = false;
this.lastPing = null;
this.decoder.destroy();
};
/**
* Close the current socket.
*
* @api private
*/ Manager.prototype.close = Manager.prototype.disconnect = function() {
debug("disconnect");
this.skipReconnect = true;
this.reconnecting = false;
if ("opening" === this.readyState) // `onclose` will not fire because
// an open event never happened
this.cleanup();
this.backoff.reset();
this.readyState = "closed";
if (this.engine) this.engine.close();
};
/**
* Called upon engine close.
*
* @api private
*/ Manager.prototype.onclose = function(reason) {
debug("onclose");
this.cleanup();
this.backoff.reset();
this.readyState = "closed";
this.emit("close", reason);
if (this._reconnection && !this.skipReconnect) this.reconnect();
};
/**
* Attempt a reconnection.
*
* @api private
*/ Manager.prototype.reconnect = function() {
if (this.reconnecting || this.skipReconnect) return this;
var self = this;
if (this.backoff.attempts >= this._reconnectionAttempts) {
debug("reconnect failed");
this.backoff.reset();
this.emitAll("reconnect_failed");
this.reconnecting = false;
} else {
var delay = this.backoff.duration();
debug("will wait %dms before reconnect attempt", delay);
this.reconnecting = true;
var timer = setTimeout(function() {
if (self.skipReconnect) return;
debug("attempting reconnect");
self.emitAll("reconnect_attempt", self.backoff.attempts);
self.emitAll("reconnecting", self.backoff.attempts);
// check again for the case socket closed in above events
if (self.skipReconnect) return;
self.open(function(err) {
if (err) {
debug("reconnect attempt error");
self.reconnecting = false;
self.reconnect();
self.emitAll("reconnect_error", err.data);
} else {
debug("reconnect success");
self.onreconnect();
}
});
}, delay);
this.subs.push({
destroy: function() {
clearTimeout(timer);
}
});
}
};
/**
* Called upon successful reconnect.
*
* @api private
*/ Manager.prototype.onreconnect = function() {
var attempt = this.backoff.attempts;
this.reconnecting = false;
this.backoff.reset();
this.updateSocketIds();
this.emitAll("reconnect", attempt);
};
},{"f57be303c493efd2":"eaoWP","e760c9b2a747031c":"aZLF9","99ae4b9e5778008":"5nHrO","6966ecce58a0bdaf":"iEP88","80141cdb0669abd5":"fRNUp","4b01f94098858aec":"lVL5b","5a5644a1e8ec0623":"l0oUb","4aecf95553dd3ef1":"j5RZX","c2a95f6083d1f904":"kOkss"}],"eaoWP":[function(require,module,exports) {
module.exports = require("223cccbf1e3e302");
/**
* Exports parser
*
* @api public
*
*/ module.exports.parser = require("c87bd63da73ae985");
},{"223cccbf1e3e302":"2w3ez","c87bd63da73ae985":"eUidh"}],"2w3ez":[function(require,module,exports) {
/**
* Module dependencies.
*/ var transports = require("1c3ef4359d3e35a2");
var Emitter = require("3d00244de3656a35");
var debug = require("6a6c4238063d5757")("engine.io-client:socket");
var index = require("5f33d707d95c57a");
var parser = require("eed48123680de601");
var parseuri = require("a2751b8f7442a12a");
var parseqs = require("3666a06389248ff2");
/**
* Module exports.
*/ module.exports = Socket;
/**
* Socket constructor.
*
* @param {String|Object} uri or options
* @param {Object} options
* @api public
*/ function Socket(uri, opts) {
if (!(this instanceof Socket)) return new Socket(uri, opts);
opts = opts || {};
if (uri && "object" === typeof uri) {
opts = uri;
uri = null;
}
if (uri) {
uri = parseuri(uri);
opts.hostname = uri.host;
opts.secure = uri.protocol === "https" || uri.protocol === "wss";
opts.port = uri.port;
if (uri.query) opts.query = uri.query;
} else if (opts.host) opts.hostname = parseuri(opts.host).host;
this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol;
if (opts.hostname && !opts.port) // if no port is specified manually, use the protocol default
opts.port = this.secure ? "443" : "80";
this.agent = opts.agent || false;
this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost");
this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : this.secure ? 443 : 80);
this.query = opts.query || {};
if ("string" === typeof this.query) this.query = parseqs.decode(this.query);
this.upgrade = false !== opts.upgrade;
this.path = (opts.path || "/engine.io").replace(/\/$/, "") + "/";
this.forceJSONP = !!opts.forceJSONP;
this.jsonp = false !== opts.jsonp;
this.forceBase64 = !!opts.forceBase64;
this.enablesXDR = !!opts.enablesXDR;
this.withCredentials = false !== opts.withCredentials;
this.timestampParam = opts.timestampParam || "t";
this.timestampRequests = opts.timestampRequests;
this.transports = opts.transports || [
"polling",
"websocket"
];
this.transportOptions = opts.transportOptions || {};
this.readyState = "";
this.writeBuffer = [];
this.prevBufferLen = 0;
this.policyPort = opts.policyPort || 843;
this.rememberUpgrade = opts.rememberUpgrade || false;
this.binaryType = null;
this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
this.perMessageDeflate = false !== opts.perMessageDeflate ? opts.perMessageDeflate || {} : false;
if (true === this.perMessageDeflate) this.perMessageDeflate = {};
if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) this.perMessageDeflate.threshold = 1024;
// SSL options for Node.js client
this.pfx = opts.pfx || null;
this.key = opts.key || null;
this.passphrase = opts.passphrase || null;
this.cert = opts.cert || null;
this.ca = opts.ca || null;
this.ciphers = opts.ciphers || null;
this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;
this.forceNode = !!opts.forceNode;
// detect ReactNative environment
this.isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative";
// other options for Node.js or ReactNative client
if (typeof self === "undefined" || this.isReactNative) {
if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) this.extraHeaders = opts.extraHeaders;
if (opts.localAddress) this.localAddress = opts.localAddress;
}
// set on handshake
this.id = null;
this.upgrades = null;
this.pingInterval = null;
this.pingTimeout = null;
// set on heartbeat
this.pingIntervalTimer = null;
this.pingTimeoutTimer = null;
this.open();
}
Socket.priorWebsocketSuccess = false;
/**
* Mix in `Emitter`.
*/ Emitter(Socket.prototype);
/**
* Protocol version.
*
* @api public
*/ Socket.protocol = parser.protocol; // this is an int
/**
* Expose deps for legacy compatibility
* and standalone browser access.
*/ Socket.Socket = Socket;
Socket.Transport = require("9df165b21084f311");
Socket.transports = require("1c3ef4359d3e35a2");
Socket.parser = require("eed48123680de601");
/**
* Creates transport of the given type.
*
* @param {String} transport name
* @return {Transport}
* @api private
*/ Socket.prototype.createTransport = function(name) {
debug('creating transport "%s"', name);
var query = clone(this.query);
// append engine.io protocol identifier
query.EIO = parser.protocol;
// transport name
query.transport = name;
// per-transport options
var options = this.transportOptions[name] || {};
// session id if we already have one
if (this.id) query.sid = this.id;
var transport = new transports[name]({
query: query,
socket: this,
agent: options.agent || this.agent,
hostname: options.hostname || this.hostname,
port: options.port || this.port,
secure: options.secure || this.secure,
path: options.path || this.path,
forceJSONP: options.forceJSONP || this.forceJSONP,
jsonp: options.jsonp || this.jsonp,
forceBase64: options.forceBase64 || this.forceBase64,
enablesXDR: options.enablesXDR || this.enablesXDR,
withCredentials: options.withCredentials || this.withCredentials,
timestampRequests: options.timestampRequests || this.timestampRequests,
timestampParam: options.timestampParam || this.timestampParam,
policyPort: options.policyPort || this.policyPort,
pfx: options.pfx || this.pfx,
key: options.key || this.key,
passphrase: options.passphrase || this.passphrase,
cert: options.cert || this.cert,
ca: options.ca || this.ca,
ciphers: options.ciphers || this.ciphers,
rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,
perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,
extraHeaders: options.extraHeaders || this.extraHeaders,
forceNode: options.forceNode || this.forceNode,
localAddress: options.localAddress || this.localAddress,
requestTimeout: options.requestTimeout || this.requestTimeout,
protocols: options.protocols || void 0,
isReactNative: this.isReactNative
});
return transport;
};
function clone(obj) {
var o = {};
for(var i in obj)if (obj.hasOwnProperty(i)) o[i] = obj[i];
return o;
}
/**
* Initializes transport to use and starts probe.
*
* @api private
*/ Socket.prototype.open = function() {
var transport;
if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) transport = "websocket";
else if (0 === this.transports.length) {
// Emit error on next tick so it can be listened to
var self1 = this;
setTimeout(function() {
self1.emit("error", "No transports available");
}, 0);
return;
} else transport = this.transports[0];
this.readyState = "opening";
// Retry with the next transport if the transport is disabled (jsonp: false)
try {
transport = this.createTransport(transport);
} catch (e) {
this.transports.shift();
this.open();
return;
}
transport.open();
this.setTransport(transport);
};
/**
* Sets the current transport. Disables the existing one (if any).
*
* @api private
*/ Socket.prototype.setTransport = function(transport) {
debug("setting transport %s", transport.name);
var self1 = this;
if (this.transport) {
debug("clearing existing transport %s", this.transport.name);
this.transport.removeAllListeners();
}
// set up transport
this.transport = transport;
// set up transport listeners
transport.on("drain", function() {
self1.onDrain();
}).on("packet", function(packet) {
self1.onPacket(packet);
}).on("error", function(e) {
self1.onError(e);
}).on("close", function() {
self1.onClose("transport close");
});
};
/**
* Probes a transport.
*
* @param {String} transport name
* @api private
*/ Socket.prototype.probe = function(name) {
debug('probing transport "%s"', name);
var transport = this.createTransport(name, {
probe: 1
});
var failed = false;
var self1 = this;
Socket.priorWebsocketSuccess = false;
function onTransportOpen() {
if (self1.onlyBinaryUpgrades) {
var upgradeLosesBinary = !this.supportsBinary && self1.transport.supportsBinary;
failed = failed || upgradeLosesBinary;
}
if (failed) return;
debug('probe transport "%s" opened', name);
transport.send([
{
type: "ping",
data: "probe"
}
]);
transport.once("packet", function(msg) {
if (failed) return;
if ("pong" === msg.type && "probe" === msg.data) {
debug('probe transport "%s" pong', name);
self1.upgrading = true;
self1.emit("upgrading", transport);
if (!transport) return;
Socket.priorWebsocketSuccess = "websocket" === transport.name;
debug('pausing current transport "%s"', self1.transport.name);
self1.transport.pause(function() {
if (failed) return;
if ("closed" === self1.readyState) return;
debug("changing transport and sending upgrade packet");
cleanup();
self1.setTransport(transport);
transport.send([
{
type: "upgrade"
}
]);
self1.emit("upgrade", transport);
transport = null;
self1.upgrading = false;
self1.flush();
});
} else {
debug('probe transport "%s" failed', name);
var err = new Error("probe error");
err.transport = transport.name;
self1.emit("upgradeError", err);
}
});
}
function freezeTransport() {
if (failed) return;
// Any callback called by transport should be ignored since now
failed = true;
cleanup();
transport.close();
transport = null;
}
// Handle any error that happens while probing
function onerror(err) {
var error = new Error("probe error: " + err);
error.transport = transport.name;
freezeTransport();
debug('probe transport "%s" failed because of error: %s', name, err);
self1.emit("upgradeError", error);
}
function onTransportClose() {
onerror("transport closed");
}
// When the socket is closed while we're probing
function onclose() {
onerror("socket closed");
}
// When the socket is upgraded while we're probing
function onupgrade(to) {
if (transport && to.name !== transport.name) {
debug('"%s" works - aborting "%s"', to.name, transport.name);
freezeTransport();
}
}
// Remove all listeners on the transport and on self
function cleanup() {
transport.removeListener("open", onTransportOpen);
transport.removeListener("error", onerror);
transport.removeListener("close", onTransportClose);
self1.removeListener("close", onclose);
self1.removeListener("upgrading", onupgrade);
}
transport.once("open", onTransportOpen);
transport.once("error", onerror);
transport.once("close", onTransportClose);
this.once("close", onclose);
this.once("upgrading", onupgrade);
transport.open();
};
/**
* Called when connection is deemed open.
*
* @api public
*/ Socket.prototype.onOpen = function() {
debug("socket open");
this.readyState = "open";
Socket.priorWebsocketSuccess = "websocket" === this.transport.name;
this.emit("open");
this.flush();
// we check for `readyState` in case an `open`
// listener already closed the socket
if ("open" === this.readyState && this.upgrade && this.transport.pause) {
debug("starting upgrade probes");
for(var i = 0, l = this.upgrades.length; i < l; i++)this.probe(this.upgrades[i]);
}
};
/**
* Handles a packet.
*
* @api private
*/ Socket.prototype.onPacket = function(packet) {
if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
this.emit("packet", packet);
// Socket is live - any packet counts
this.emit("heartbeat");
switch(packet.type){
case "open":
this.onHandshake(JSON.parse(packet.data));
break;
case "pong":
this.setPing();
this.emit("pong");
break;
case "error":
var err = new Error("server error");
err.code = packet.data;
this.onError(err);
break;
case "message":
this.emit("data", packet.data);
this.emit("message", packet.data);
break;
}
} else debug('packet received with socket readyState "%s"', this.readyState);
};
/**
* Called upon handshake completion.
*
* @param {Object} handshake obj
* @api private
*/ Socket.prototype.onHandshake = function(data) {
this.emit("handshake", data);
this.id = data.sid;
this.transport.query.sid = data.sid;
this.upgrades = this.filterUpgrades(data.upgrades);
this.pingInterval = data.pingInterval;
this.pingTimeout = data.pingTimeout;
this.onOpen();
// In case open handler closes socket
if ("closed" === this.readyState) return;
this.setPing();
// Prolong liveness of socket on heartbeat
this.removeListener("heartbeat", this.onHeartbeat);
this.on("heartbeat", this.onHeartbeat);
};
/**
* Resets ping timeout.
*
* @api private
*/ Socket.prototype.onHeartbeat = function(timeout) {
clearTimeout(this.pingTimeoutTimer);
var self1 = this;
self1.pingTimeoutTimer = setTimeout(function() {
if ("closed" === self1.readyState) return;
self1.onClose("ping timeout");
}, timeout || self1.pingInterval + self1.pingTimeout);
};
/**
* Pings server every `this.pingInterval` and expects response
* within `this.pingTimeout` or closes connection.
*
* @api private
*/ Socket.prototype.setPing = function() {
var self1 = this;
clearTimeout(self1.pingIntervalTimer);
self1.pingIntervalTimer = setTimeout(function() {
debug("writing ping packet - expecting pong within %sms", self1.pingTimeout);
self1.ping();
self1.onHeartbeat(self1.pingTimeout);
}, self1.pingInterval);
};
/**
* Sends a ping packet.
*
* @api private
*/ Socket.prototype.ping = function() {
var self1 = this;
this.sendPacket("ping", function() {
self1.emit("ping");
});
};
/**
* Called on `drain` event
*
* @api private
*/ Socket.prototype.onDrain = function() {
this.writeBuffer.splice(0, this.prevBufferLen);
// setting prevBufferLen = 0 is very important
// for example, when upgrading, upgrade packet is sent over,
// and a nonzero prevBufferLen could cause problems on `drain`
this.prevBufferLen = 0;
if (0 === this.writeBuffer.length) this.emit("drain");
else this.flush();
};
/**
* Flush write buffers.
*
* @api private
*/ Socket.prototype.flush = function() {
if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
debug("flushing %d packets in socket", this.writeBuffer.length);
this.transport.send(this.writeBuffer);
// keep track of current length of writeBuffer
// splice writeBuffer and callbackBuffer on `drain`
this.prevBufferLen = this.writeBuffer.length;
this.emit("flush");
}
};
/**
* Sends a message.
*
* @param {String} message.
* @param {Function} callback function.
* @param {Object} options.
* @return {Socket} for chaining.
* @api public
*/ Socket.prototype.write = Socket.prototype.send = function(msg, options, fn) {
this.sendPacket("message", msg, options, fn);
return this;
};
/**
* Sends a packet.
*
* @param {String} packet type.
* @param {String} data.
* @param {Object} options.
* @param {Function} callback function.
* @api private
*/ Socket.prototype.sendPacket = function(type, data, options, fn) {
if ("function" === typeof data) {
fn = data;
data = undefined;
}
if ("function" === typeof options) {
fn = options;
options = null;
}
if ("closing" === this.readyState || "closed" === this.readyState) return;
options = options || {};
options.compress = false !== options.compress;
var packet = {
type: type,
data: data,
options: options
};
this.emit("packetCreate", packet);
this.writeBuffer.push(packet);
if (fn) this.once("flush", fn);
this.flush();
};
/**
* Closes the connection.
*
* @api private
*/ Socket.prototype.close = function() {
if ("opening" === this.readyState || "open" === this.readyState) {
this.readyState = "closing";
var self1 = this;
if (this.writeBuffer.length) this.once("drain", function() {
if (this.upgrading) waitForUpgrade();
else close();
});
else if (this.upgrading) waitForUpgrade();
else close();
}
function close() {
self1.onClose("forced close");
debug("socket closing - telling transport to close");
self1.transport.close();
}
function cleanupAndClose() {
self1.removeListener("upgrade", cleanupAndClose);
self1.removeListener("upgradeError", cleanupAndClose);
close();
}
function waitForUpgrade() {
// wait for upgrade to finish since we can't send packets while pausing a transport
self1.once("upgrade", cleanupAndClose);
self1.once("upgradeError", cleanupAndClose);
}
return this;
};
/**
* Called upon transport error
*
* @api private
*/ Socket.prototype.onError = function(err) {
debug("socket error %j", err);
Socket.priorWebsocketSuccess = false;
this.emit("error", err);
this.onClose("transport error", err);
};
/**
* Called upon transport close.
*
* @api private
*/ Socket.prototype.onClose = function(reason, desc) {
if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
debug('socket close with reason: "%s"', reason);
var self1 = this;
// clear timers
clearTimeout(this.pingIntervalTimer);
clearTimeout(this.pingTimeoutTimer);
// stop event from firing again for transport
this.transport.removeAllListeners("close");
// ensure transport won't stay open
this.transport.close();
// ignore further transport communication
this.transport.removeAllListeners();
// set ready state
this.readyState = "closed";
// clear session id
this.id = null;
// emit close event
this.emit("close", reason, desc);
// clean buffers after, so users can still
// grab the buffers on `close` event
self1.writeBuffer = [];
self1.prevBufferLen = 0;
}
};
/**
* Filters upgrades, returning only those matching client transports.
*
* @param {Array} server upgrades
* @api private
*
*/ Socket.prototype.filterUpgrades = function(upgrades) {
var filteredUpgrades = [];
for(var i = 0, j = upgrades.length; i < j; i++)if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
return filteredUpgrades;
};
},{"1c3ef4359d3e35a2":"1lXIC","3d00244de3656a35":"5nHrO","6a6c4238063d5757":"l0oUb","5f33d707d95c57a":"j5RZX","eed48123680de601":"eUidh","a2751b8f7442a12a":"7w9JU","3666a06389248ff2":"M504l","9df165b21084f311":"ljuQJ"}],"1lXIC":[function(require,module,exports) {
/**
* Module dependencies
*/ var XMLHttpRequest = require("cbec9a0da0675810");
var XHR = require("44e321efce91ac2c");
var JSONP = require("7ff7cd97d5ff43d5");
var websocket = require("2b82f347438ab44e");
/**
* Export transports.
*/ exports.polling = polling;
exports.websocket = websocket;
/**
* Polling transport polymorphic constructor.
* Decides on xhr vs jsonp based on feature detection.
*
* @api private
*/ function polling(opts) {
var xhr;
var xd = false;
var xs = false;
var jsonp = false !== opts.jsonp;
if (typeof location !== "undefined") {
var isSSL = "https:" === location.protocol;
var port = location.port;
// some user agents have empty `location.port`
if (!port) port = isSSL ? 443 : 80;
xd = opts.hostname !== location.hostname || port !== opts.port;
xs = opts.secure !== isSSL;
}
opts.xdomain = xd;
opts.xscheme = xs;
xhr = new XMLHttpRequest(opts);
if ("open" in xhr && !opts.forceJSONP) return new XHR(opts);
else {
if (!jsonp) throw new Error("JSONP disabled");
return new JSONP(opts);
}
}
},{"cbec9a0da0675810":"4tpqf","44e321efce91ac2c":"f1pvu","7ff7cd97d5ff43d5":"7PlrH","2b82f347438ab44e":"cl8V7"}],"4tpqf":[function(require,module,exports) {
// browser shim for xmlhttprequest module
var hasCORS = require("795c7660b27a634e");
var globalThis1 = require("884293c02bd614b0");
module.exports = function(opts) {
var xdomain = opts.xdomain;
// scheme must be same when usign XDomainRequest
// http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
var xscheme = opts.xscheme;
// XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
// https://github.com/Automattic/engine.io-client/pull/217
var enablesXDR = opts.enablesXDR;
// XMLHttpRequest can be disabled on IE
try {
if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) return new XMLHttpRequest();
} catch (e) {}
// Use XDomainRequest for IE8 if enablesXDR is true
// because loading bar keeps flashing when using jsonp-polling
// https://github.com/yujiosaka/socke.io-ie8-loading-example
try {
if ("undefined" !== typeof XDomainRequest && !xscheme && enablesXDR) return new XDomainRequest();
} catch (e) {}
if (!xdomain) try {
return new globalThis[[
"Active"
].concat("Object").join("X")]("Microsoft.XMLHTTP");
} catch (e) {}
};
},{"795c7660b27a634e":"26eJv","884293c02bd614b0":"68bZg"}],"26eJv":[function(require,module,exports) {
/**
* Module exports.
*
* Logic borrowed from Modernizr:
*
* - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
*/ try {
module.exports = typeof XMLHttpRequest !== "undefined" && "withCredentials" in new XMLHttpRequest();
} catch (err) {
// if XMLHttp support is disabled in IE then it will throw
// when trying to create
module.exports = false;
}
},{}],"68bZg":[function(require,module,exports) {
module.exports = function() {
if (typeof self !== "undefined") return self;
else if (typeof window !== "undefined") return window;
else return Function("return this")(); // eslint-disable-line no-new-func
}();
},{}],"f1pvu":[function(require,module,exports) {
/* global attachEvent */ /**
* Module requirements.
*/ var XMLHttpRequest = require("6504fa70f23de824");
var Polling = require("bfe1cd0d8440bc99");
var Emitter = require("d329ff04a1f990d7");
var inherit = require("19d6de1d4992f4cc");
var debug = require("9664289877a58b59")("engine.io-client:polling-xhr");
var globalThis1 = require("51978f47eba9f3b9");
/**
* Module exports.
*/ module.exports = XHR;
module.exports.Request = Request;
/**
* Empty function
*/ function empty() {}
/**
* XHR Polling constructor.
*
* @param {Object} opts
* @api public
*/ function XHR(opts) {
Polling.call(this, opts);
this.requestTimeout = opts.requestTimeout;
this.extraHeaders = opts.extraHeaders;
if (typeof location !== "undefined") {
var isSSL = "https:" === location.protocol;
var port = location.port;
// some user agents have empty `location.port`
if (!port) port = isSSL ? 443 : 80;
this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port;
this.xs = opts.secure !== isSSL;
}
}
/**
* Inherits from Polling.
*/ inherit(XHR, Polling);
/**
* XHR supports binary
*/ XHR.prototype.supportsBinary = true;
/**
* Creates a request.
*
* @param {String} method
* @api private
*/ XHR.prototype.request = function(opts) {
opts = opts || {};
opts.uri = this.uri();
opts.xd = this.xd;
opts.xs = this.xs;
opts.agent = this.agent || false;
opts.supportsBinary = this.supportsBinary;
opts.enablesXDR = this.enablesXDR;
opts.withCredentials = this.withCredentials;
// SSL options for Node.js client
opts.pfx = this.pfx;
opts.key = this.key;
opts.passphrase = this.passphrase;
opts.cert = this.cert;
opts.ca = this.ca;
opts.ciphers = this.ciphers;
opts.rejectUnauthorized = this.rejectUnauthorized;
opts.requestTimeout = this.requestTimeout;
// other options for Node.js client
opts.extraHeaders = this.extraHeaders;
return new Request(opts);
};
/**
* Sends data.
*
* @param {String} data to send.
* @param {Function} called upon flush.
* @api private
*/ XHR.prototype.doWrite = function(data, fn) {
var isBinary = typeof data !== "string" && data !== undefined;
var req = this.request({
method: "POST",
data: data,
isBinary: isBinary
});
var self = this;
req.on("success", fn);
req.on("error", function(err) {
self.onError("xhr post error", err);
});
this.sendXhr = req;
};
/**
* Starts a poll cycle.
*
* @api private
*/ XHR.prototype.doPoll = function() {
debug("xhr poll");
var req = this.request();
var self = this;
req.on("data", function(data) {
self.onData(data);
});
req.on("error", function(err) {
self.onError("xhr poll error", err);
});
this.pollXhr = req;
};
/**
* Request constructor
*
* @param {Object} options
* @api public
*/ function Request(opts) {
this.method = opts.method || "GET";
this.uri = opts.uri;
this.xd = !!opts.xd;
this.xs = !!opts.xs;
this.async = false !== opts.async;
this.data = undefined !== opts.data ? opts.data : null;
this.agent = opts.agent;
this.isBinary = opts.isBinary;
this.supportsBinary = opts.supportsBinary;
this.enablesXDR = opts.enablesXDR;
this.withCredentials = opts.withCredentials;
this.requestTimeout = opts.requestTimeout;
// SSL options for Node.js client
this.pfx = opts.pfx;
this.key = opts.key;
this.passphrase = opts.passphrase;
this.cert = opts.cert;
this.ca = opts.ca;
this.ciphers = opts.ciphers;
this.rejectUnauthorized = opts.rejectUnauthorized;
// other options for Node.js client
this.extraHeaders = opts.extraHeaders;
this.create();
}
/**
* Mix in `Emitter`.
*/ Emitter(Request.prototype);
/**
* Creates the XHR object and sends the request.
*
* @api private
*/ Request.prototype.create = function() {
var opts = {
agent: this.agent,
xdomain: this.xd,
xscheme: this.xs,
enablesXDR: this.enablesXDR
};
// SSL options for Node.js client
opts.pfx = this.pfx;
opts.key = this.key;
opts.passphrase = this.passphrase;
opts.cert = this.cert;
opts.ca = this.ca;
opts.ciphers = this.ciphers;
opts.rejectUnauthorized = this.rejectUnauthorized;
var xhr = this.xhr = new XMLHttpRequest(opts);
var self = this;
try {
debug("xhr open %s: %s", this.method, this.uri);
xhr.open(this.method, this.uri, this.async);
try {
if (this.extraHeaders) {
xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
for(var i in this.extraHeaders)if (this.extraHeaders.hasOwnProperty(i)) xhr.setRequestHeader(i, this.extraHeaders[i]);
}
} catch (e) {}
if ("POST" === this.method) try {
if (this.isBinary) xhr.setRequestHeader("Content-type", "application/octet-stream");
else xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8");
} catch (e) {}
try {
xhr.setRequestHeader("Accept", "*/*");
} catch (e) {}
// ie6 check
if ("withCredentials" in xhr) xhr.withCredentials = this.withCredentials;
if (this.requestTimeout) xhr.timeout = this.requestTimeout;
if (this.hasXDR()) {
xhr.onload = function() {
self.onLoad();
};
xhr.onerror = function() {
self.onError(xhr.responseText);
};
} else xhr.onreadystatechange = function() {
if (xhr.readyState === 2) try {
var contentType = xhr.getResponseHeader("Content-Type");
if (self.supportsBinary && contentType === "application/octet-stream" || contentType === "application/octet-stream; charset=UTF-8") xhr.responseType = "arraybuffer";
} catch (e) {}
if (4 !== xhr.readyState) return;
if (200 === xhr.status || 1223 === xhr.status) self.onLoad();
else // make sure the `error` event handler that's user-set
// does not throw in the same tick and gets caught here
setTimeout(function() {
self.onError(typeof xhr.status === "number" ? xhr.status : 0);
}, 0);
};
debug("xhr data %s", this.data);
xhr.send(this.data);
} catch (e) {
// Need to defer since .create() is called directly fhrom the constructor
// and thus the 'error' event can only be only bound *after* this exception
// occurs. Therefore, also, we cannot throw here at all.
setTimeout(function() {
self.onError(e);
}, 0);
return;
}
if (typeof document !== "undefined") {
this.index = Request.requestsCount++;
Request.requests[this.index] = this;
}
};
/**
* Called upon successful response.
*
* @api private
*/ Request.prototype.onSuccess = function() {
this.emit("success");
this.cleanup();
};
/**
* Called if we have data.
*
* @api private
*/ Request.prototype.onData = function(data) {
this.emit("data", data);
this.onSuccess();
};
/**
* Called upon error.
*
* @api private
*/ Request.prototype.onError = function(err) {
this.emit("error", err);
this.cleanup(true);
};
/**
* Cleans up house.
*
* @api private
*/ Request.prototype.cleanup = function(fromError) {
if ("undefined" === typeof this.xhr || null === this.xhr) return;
// xmlhttprequest
if (this.hasXDR()) this.xhr.onload = this.xhr.onerror = empty;
else this.xhr.onreadystatechange = empty;
if (fromError) try {
this.xhr.abort();
} catch (e) {}
if (typeof document !== "undefined") delete Request.requests[this.index];
this.xhr = null;
};
/**
* Called upon load.
*
* @api private
*/ Request.prototype.onLoad = function() {
var data;
try {
var contentType;
try {
contentType = this.xhr.getResponseHeader("Content-Type");
} catch (e) {}
if (contentType === "application/octet-stream" || contentType === "application/octet-stream; charset=UTF-8") data = this.xhr.response || this.xhr.responseText;
else data = this.xhr.responseText;
} catch (e) {
this.onError(e);
}
if (null != data) this.onData(data);
};
/**
* Check if it has XDomainRequest.
*
* @api private
*/ Request.prototype.hasXDR = function() {
return typeof XDomainRequest !== "undefined" && !this.xs && this.enablesXDR;
};
/**
* Aborts the request.
*
* @api public
*/ Request.prototype.abort = function() {
this.cleanup();
};
/**
* Aborts pending requests when unloading the window. This is needed to prevent
* memory leaks (e.g. when using IE) and to ensure that no spurious error is
* emitted.
*/ Request.requestsCount = 0;
Request.requests = {};
if (typeof document !== "undefined") {
if (typeof attachEvent === "function") attachEvent("onunload", unloadHandler);
else if (typeof addEventListener === "function") {
var terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload";
addEventListener(terminationEvent, unloadHandler, false);
}
}
function unloadHandler() {
for(var i in Request.requests)if (Request.requests.hasOwnProperty(i)) Request.requests[i].abort();
}
},{"6504fa70f23de824":"4tpqf","bfe1cd0d8440bc99":"6Bu9a","d329ff04a1f990d7":"5nHrO","19d6de1d4992f4cc":"idpNN","9664289877a58b59":"l0oUb","51978f47eba9f3b9":"68bZg"}],"6Bu9a":[function(require,module,exports) {
/**
* Module dependencies.
*/ var Transport = require("41f1129e1faebb49");
var parseqs = require("89ba3226fc71d2c6");
var parser = require("fc5b5c50ac2ee456");
var inherit = require("9d1aa93464a1f382");
var yeast = require("142e46a65d73e608");
var debug = require("8a9bddbe3308e4")("engine.io-client:polling");
/**
* Module exports.
*/ module.exports = Polling;
/**
* Is XHR2 supported?
*/ var hasXHR2 = function() {
var XMLHttpRequest = require("d46e5cf6f30d2741");
var xhr = new XMLHttpRequest({
xdomain: false
});
return null != xhr.responseType;
}();
/**
* Polling interface.
*
* @param {Object} opts
* @api private
*/ function Polling(opts) {
var forceBase64 = opts && opts.forceBase64;
if (!hasXHR2 || forceBase64) this.supportsBinary = false;
Transport.call(this, opts);
}
/**
* Inherits from Transport.
*/ inherit(Polling, Transport);
/**
* Transport name.
*/ Polling.prototype.name = "polling";
/**
* Opens the socket (triggers polling). We write a PING message to determine
* when the transport is open.
*
* @api private
*/ Polling.prototype.doOpen = function() {
this.poll();
};
/**
* Pauses polling.
*
* @param {Function} callback upon buffers are flushed and transport is paused
* @api private
*/ Polling.prototype.pause = function(onPause) {
var self = this;
this.readyState = "pausing";
function pause() {
debug("paused");
self.readyState = "paused";
onPause();
}
if (this.polling || !this.writable) {
var total = 0;
if (this.polling) {
debug("we are currently polling - waiting to pause");
total++;
this.once("pollComplete", function() {
debug("pre-pause polling complete");
--total || pause();
});
}
if (!this.writable) {
debug("we are currently writing - waiting to pause");
total++;
this.once("drain", function() {
debug("pre-pause writing complete");
--total || pause();
});
}
} else pause();
};
/**
* Starts polling cycle.
*
* @api public
*/ Polling.prototype.poll = function() {
debug("polling");
this.polling = true;
this.doPoll();
this.emit("poll");
};
/**
* Overloads onData to detect payloads.
*
* @api private
*/ Polling.prototype.onData = function(data) {
var self = this;
debug("polling got data %s", data);
var callback = function(packet, index, total) {
// if its the first message we consider the transport open
if ("opening" === self.readyState) self.onOpen();
// if its a close packet, we close the ongoing requests
if ("close" === packet.type) {
self.onClose();
return false;
}
// otherwise bypass onData and handle the message
self.onPacket(packet);
};
// decode payload
parser.decodePayload(data, this.socket.binaryType, callback);
// if an event did not trigger closing
if ("closed" !== this.readyState) {
// if we got data we're not polling
this.polling = false;
this.emit("pollComplete");
if ("open" === this.readyState) this.poll();
else debug('ignoring poll - transport state "%s"', this.readyState);
}
};
/**
* For polling, send a close packet.
*
* @api private
*/ Polling.prototype.doClose = function() {
var self = this;
function close() {
debug("writing close packet");
self.write([
{
type: "close"
}
]);
}
if ("open" === this.readyState) {
debug("transport open - closing");
close();
} else {
// in case we're trying to close while
// handshaking is in progress (GH-164)
debug("transport not open - deferring close");
this.once("open", close);
}
};
/**
* Writes a packets payload.
*
* @param {Array} data packets
* @param {Function} drain callback
* @api private
*/ Polling.prototype.write = function(packets) {
var self = this;
this.writable = false;
var callbackfn = function() {
self.writable = true;
self.emit("drain");
};
parser.encodePayload(packets, this.supportsBinary, function(data) {
self.doWrite(data, callbackfn);
});
};
/**
* Generates uri for connection.
*
* @api private
*/ Polling.prototype.uri = function() {
var query = this.query || {};
var schema = this.secure ? "https" : "http";
var port = "";
// cache busting is forced
if (false !== this.timestampRequests) query[this.timestampParam] = yeast();
if (!this.supportsBinary && !query.sid) query.b64 = 1;
query = parseqs.encode(query);
// avoid port if default for schema
if (this.port && ("https" === schema && Number(this.port) !== 443 || "http" === schema && Number(this.port) !== 80)) port = ":" + this.port;
// prepend ? to query
if (query.length) query = "?" + query;
var ipv6 = this.hostname.indexOf(":") !== -1;
return schema + "://" + (ipv6 ? "[" + this.hostname + "]" : this.hostname) + port + this.path + query;
};
},{"41f1129e1faebb49":"ljuQJ","89ba3226fc71d2c6":"M504l","fc5b5c50ac2ee456":"eUidh","9d1aa93464a1f382":"idpNN","142e46a65d73e608":"3CfTu","8a9bddbe3308e4":"l0oUb","d46e5cf6f30d2741":"4tpqf"}],"ljuQJ":[function(require,module,exports) {
/**
* Module dependencies.
*/ var parser = require("1847fd3ebe220b7");
var Emitter = require("23bb3bcedf6e6b52");
/**
* Module exports.
*/ module.exports = Transport;
/**
* Transport abstract constructor.
*
* @param {Object} options.
* @api private
*/ function Transport(opts) {
this.path = opts.path;
this.hostname = opts.hostname;
this.port = opts.port;
this.secure = opts.secure;
this.query = opts.query;
this.timestampParam = opts.timestampParam;
this.timestampRequests = opts.timestampRequests;
this.readyState = "";
this.agent = opts.agent || false;
this.socket = opts.socket;
this.enablesXDR = opts.enablesXDR;
this.withCredentials = opts.withCredentials;
// SSL options for Node.js client
this.pfx = opts.pfx;
this.key = opts.key;
this.passphrase = opts.passphrase;
this.cert = opts.cert;
this.ca = opts.ca;
this.ciphers = opts.ciphers;
this.rejectUnauthorized = opts.rejectUnauthorized;
this.forceNode = opts.forceNode;
// results of ReactNative environment detection
this.isReactNative = opts.isReactNative;
// other options for Node.js client
this.extraHeaders = opts.extraHeaders;
this.localAddress = opts.localAddress;
}
/**
* Mix in `Emitter`.
*/ Emitter(Transport.prototype);
/**
* Emits an error.
*
* @param {String} str
* @return {Transport} for chaining
* @api public
*/ Transport.prototype.onError = function(msg, desc) {
var err = new Error(msg);
err.type = "TransportError";
err.description = desc;
this.emit("error", err);
return this;
};
/**
* Opens the transport.
*
* @api public
*/ Transport.prototype.open = function() {
if ("closed" === this.readyState || "" === this.readyState) {
this.readyState = "opening";
this.doOpen();
}
return this;
};
/**
* Closes the transport.
*
* @api private
*/ Transport.prototype.close = function() {
if ("opening" === this.readyState || "open" === this.readyState) {
this.doClose();
this.onClose();
}
return this;
};
/**
* Sends multiple packets.
*
* @param {Array} packets
* @api private
*/ Transport.prototype.send = function(packets) {
if ("open" === this.readyState) this.write(packets);
else throw new Error("Transport not open");
};
/**
* Called upon open
*
* @api private
*/ Transport.prototype.onOpen = function() {
this.readyState = "open";
this.writable = true;
this.emit("open");
};
/**
* Called with data.
*
* @param {String} data
* @api private
*/ Transport.prototype.onData = function(data) {
var packet = parser.decodePacket(data, this.socket.binaryType);
this.onPacket(packet);
};
/**
* Called with a decoded packet.
*/ Transport.prototype.onPacket = function(packet) {
this.emit("packet", packet);
};
/**
* Called upon close.
*
* @api private
*/ Transport.prototype.onClose = function() {
this.readyState = "closed";
this.emit("close");
};
},{"1847fd3ebe220b7":"eUidh","23bb3bcedf6e6b52":"5nHrO"}],"eUidh":[function(require,module,exports) {
/**
* Module dependencies.
*/ var keys = require("f8f00a524a197d96");
var hasBinary = require("4d751f4f181dffd3");
var sliceBuffer = require("e5cf1a50285a5a2a");
var after = require("280b7fed8b96ec85");
var utf8 = require("c9b3809000e0242c");
var base64encoder;
if (typeof ArrayBuffer !== "undefined") base64encoder = require("33aec57e480c28a9");
/**
* Check if we are running an android browser. That requires us to use
* ArrayBuffer with polling transports...
*
* http://ghinda.net/jpeg-blob-ajax-android/
*/ var isAndroid = typeof navigator !== "undefined" && /Android/i.test(navigator.userAgent);
/**
* Check if we are running in PhantomJS.
* Uploading a Blob with PhantomJS does not work correctly, as reported here:
* https://github.com/ariya/phantomjs/issues/11395
* @type boolean
*/ var isPhantomJS = typeof navigator !== "undefined" && /PhantomJS/i.test(navigator.userAgent);
/**
* When true, avoids using Blobs to encode payloads.
* @type boolean
*/ var dontSendBlobs = isAndroid || isPhantomJS;
/**
* Current protocol version.
*/ exports.protocol = 3;
/**
* Packet types.
*/ var packets = exports.packets = {
open: 0 // non-ws
,
close: 1 // non-ws
,
ping: 2,
pong: 3,
message: 4,
upgrade: 5,
noop: 6
};
var packetslist = keys(packets);
/**
* Premade error packet.
*/ var err = {
type: "error",
data: "parser error"
};
/**
* Create a blob api even for blob builder when vendor prefixes exist
*/ var Blob = require("455850c1d7cf59c3");
/**
* Encodes a packet.
*
* <packet type id> [ <data> ]
*
* Example:
*
* 5hello world
* 3
* 4
*
* Binary is encoded in an identical principle
*
* @api private
*/ exports.encodePacket = function(packet, supportsBinary, utf8encode, callback) {
if (typeof supportsBinary === "function") {
callback = supportsBinary;
supportsBinary = false;
}
if (typeof utf8encode === "function") {
callback = utf8encode;
utf8encode = null;
}
var data = packet.data === undefined ? undefined : packet.data.buffer || packet.data;
if (typeof ArrayBuffer !== "undefined" && data instanceof ArrayBuffer) return encodeArrayBuffer(packet, supportsBinary, callback);
else if (typeof Blob !== "undefined" && data instanceof Blob) return encodeBlob(packet, supportsBinary, callback);
// might be an object with { base64: true, data: dataAsBase64String }
if (data && data.base64) return encodeBase64Object(packet, callback);
// Sending data as a utf-8 string
var encoded = packets[packet.type];
// data fragment is optional
if (undefined !== packet.data) encoded += utf8encode ? utf8.encode(String(packet.data), {
strict: false
}) : String(packet.data);
return callback("" + encoded);
};
function encodeBase64Object(packet, callback) {
// packet data is an object { base64: true, data: dataAsBase64String }
var message = "b" + exports.packets[packet.type] + packet.data.data;
return callback(message);
}
/**
* Encode packet helpers for binary types
*/ function encodeArrayBuffer(packet, supportsBinary, callback) {
if (!supportsBinary) return exports.encodeBase64Packet(packet, callback);
var data = packet.data;
var contentArray = new Uint8Array(data);
var resultBuffer = new Uint8Array(1 + data.byteLength);
resultBuffer[0] = packets[packet.type];
for(var i = 0; i < contentArray.length; i++)resultBuffer[i + 1] = contentArray[i];
return callback(resultBuffer.buffer);
}
function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
if (!supportsBinary) return exports.encodeBase64Packet(packet, callback);
var fr = new FileReader();
fr.onload = function() {
exports.encodePacket({
type: packet.type,
data: fr.result
}, supportsBinary, true, callback);
};
return fr.readAsArrayBuffer(packet.data);
}
function encodeBlob(packet, supportsBinary, callback) {
if (!supportsBinary) return exports.encodeBase64Packet(packet, callback);
if (dontSendBlobs) return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
var length = new Uint8Array(1);
length[0] = packets[packet.type];
var blob = new Blob([
length.buffer,
packet.data
]);
return callback(blob);
}
/**
* Encodes a packet with binary data in a base64 string
*
* @param {Object} packet, has `type` and `data`
* @return {String} base64 encoded message
*/ exports.encodeBase64Packet = function(packet, callback) {
var message = "b" + exports.packets[packet.type];
if (typeof Blob !== "undefined" && packet.data instanceof Blob) {
var fr = new FileReader();
fr.onload = function() {
var b64 = fr.result.split(",")[1];
callback(message + b64);
};
return fr.readAsDataURL(packet.data);
}
var b64data;
try {
b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
} catch (e) {
// iPhone Safari doesn't let you apply with typed arrays
var typed = new Uint8Array(packet.data);
var basic = new Array(typed.length);
for(var i = 0; i < typed.length; i++)basic[i] = typed[i];
b64data = String.fromCharCode.apply(null, basic);
}
message += btoa(b64data);
return callback(message);
};
/**
* Decodes a packet. Changes format to Blob if requested.
*
* @return {Object} with `type` and `data` (if any)
* @api private
*/ exports.decodePacket = function(data, binaryType, utf8decode) {
if (data === undefined) return err;
// String data
if (typeof data === "string") {
if (data.charAt(0) === "b") return exports.decodeBase64Packet(data.substr(1), binaryType);
if (utf8decode) {
data = tryDecode(data);
if (data === false) return err;
}
var type = data.charAt(0);
if (Number(type) != type || !packetslist[type]) return err;
if (data.length > 1) return {
type: packetslist[type],
data: data.substring(1)
};
else return {
type: packetslist[type]
};
}
var asArray = new Uint8Array(data);
var type = asArray[0];
var rest = sliceBuffer(data, 1);
if (Blob && binaryType === "blob") rest = new Blob([
rest
]);
return {
type: packetslist[type],
data: rest
};
};
function tryDecode(data) {
try {
data = utf8.decode(data, {
strict: false
});
} catch (e) {
return false;
}
return data;
}
/**
* Decodes a packet encoded in a base64 string
*
* @param {String} base64 encoded message
* @return {Object} with `type` and `data` (if any)
*/ exports.decodeBase64Packet = function(msg, binaryType) {
var type = packetslist[msg.charAt(0)];
if (!base64encoder) return {
type: type,
data: {
base64: true,
data: msg.substr(1)
}
};
var data = base64encoder.decode(msg.substr(1));
if (binaryType === "blob" && Blob) data = new Blob([
data
]);
return {
type: type,
data: data
};
};
/**
* Encodes multiple messages (payload).
*
* <length>:data
*
* Example:
*
* 11:hello world2:hi
*
* If any contents are binary, they will be encoded as base64 strings. Base64
* encoded strings are marked with a b before the length specifier
*
* @param {Array} packets
* @api private
*/ exports.encodePayload = function(packets, supportsBinary, callback) {
if (typeof supportsBinary === "function") {
callback = supportsBinary;
supportsBinary = null;
}
var isBinary = hasBinary(packets);
if (supportsBinary && isBinary) {
if (Blob && !dontSendBlobs) return exports.encodePayloadAsBlob(packets, callback);
return exports.encodePayloadAsArrayBuffer(packets, callback);
}
if (!packets.length) return callback("0:");
function setLengthHeader(message) {
return message.length + ":" + message;
}
function encodeOne(packet, doneCallback) {
exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {
doneCallback(null, setLengthHeader(message));
});
}
map(packets, encodeOne, function(err, results) {
return callback(results.join(""));
});
};
/**
* Async array map using after
*/ function map(ary, each, done) {
var result = new Array(ary.length);
var next = after(ary.length, done);
var eachWithIndex = function(i, el, cb) {
each(el, function(error, msg) {
result[i] = msg;
cb(error, result);
});
};
for(var i = 0; i < ary.length; i++)eachWithIndex(i, ary[i], next);
}
/*
* Decodes data when a payload is maybe expected. Possible binary contents are
* decoded from their base64 representation
*
* @param {String} data, callback method
* @api public
*/ exports.decodePayload = function(data, binaryType, callback) {
if (typeof data !== "string") return exports.decodePayloadAsBinary(data, binaryType, callback);
if (typeof binaryType === "function") {
callback = binaryType;
binaryType = null;
}
var packet;
if (data === "") // parser error - ignoring payload
return callback(err, 0, 1);
var length = "", n, msg;
for(var i = 0, l = data.length; i < l; i++){
var chr = data.charAt(i);
if (chr !== ":") {
length += chr;
continue;
}
if (length === "" || length != (n = Number(length))) // parser error - ignoring payload
return callback(err, 0, 1);
msg = data.substr(i + 1, n);
if (length != msg.length) // parser error - ignoring payload
return callback(err, 0, 1);
if (msg.length) {
packet = exports.decodePacket(msg, binaryType, false);
if (err.type === packet.type && err.data === packet.data) // parser error in individual packet - ignoring payload
return callback(err, 0, 1);
var ret = callback(packet, i + n, l);
if (false === ret) return;
}
// advance cursor
i += n;
length = "";
}
if (length !== "") // parser error - ignoring payload
return callback(err, 0, 1);
};
/**
* Encodes multiple messages (payload) as binary.
*
* <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
* 255><data>
*
* Example:
* 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
*
* @param {Array} packets
* @return {ArrayBuffer} encoded payload
* @api private
*/ exports.encodePayloadAsArrayBuffer = function(packets, callback) {
if (!packets.length) return callback(new ArrayBuffer(0));
function encodeOne(packet, doneCallback) {
exports.encodePacket(packet, true, true, function(data) {
return doneCallback(null, data);
});
}
map(packets, encodeOne, function(err, encodedPackets) {
var totalLength = encodedPackets.reduce(function(acc, p) {
var len;
if (typeof p === "string") len = p.length;
else len = p.byteLength;
return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
}, 0);
var resultArray = new Uint8Array(totalLength);
var bufferIndex = 0;
encodedPackets.forEach(function(p) {
var isString = typeof p === "string";
var ab = p;
if (isString) {
var view = new Uint8Array(p.length);
for(var i = 0; i < p.length; i++)view[i] = p.charCodeAt(i);
ab = view.buffer;
}
if (isString) resultArray[bufferIndex++] = 0;
else resultArray[bufferIndex++] = 1;
var lenStr = ab.byteLength.toString();
for(var i = 0; i < lenStr.length; i++)resultArray[bufferIndex++] = parseInt(lenStr[i]);
resultArray[bufferIndex++] = 255;
var view = new Uint8Array(ab);
for(var i = 0; i < view.length; i++)resultArray[bufferIndex++] = view[i];
});
return callback(resultArray.buffer);
});
};
/**
* Encode as Blob
*/ exports.encodePayloadAsBlob = function(packets, callback) {
function encodeOne(packet, doneCallback) {
exports.encodePacket(packet, true, true, function(encoded) {
var binaryIdentifier = new Uint8Array(1);
binaryIdentifier[0] = 1;
if (typeof encoded === "string") {
var view = new Uint8Array(encoded.length);
for(var i = 0; i < encoded.length; i++)view[i] = encoded.charCodeAt(i);
encoded = view.buffer;
binaryIdentifier[0] = 0;
}
var len = encoded instanceof ArrayBuffer ? encoded.byteLength : encoded.size;
var lenStr = len.toString();
var lengthAry = new Uint8Array(lenStr.length + 1);
for(var i = 0; i < lenStr.length; i++)lengthAry[i] = parseInt(lenStr[i]);
lengthAry[lenStr.length] = 255;
if (Blob) {
var blob = new Blob([
binaryIdentifier.buffer,
lengthAry.buffer,
encoded
]);
doneCallback(null, blob);
}
});
}
map(packets, encodeOne, function(err, results) {
return callback(new Blob(results));
});
};
/*
* Decodes data when a payload is maybe expected. Strings are decoded by
* interpreting each byte as a key code for entries marked to start with 0. See
* description of encodePayloadAsBinary
*
* @param {ArrayBuffer} data, callback method
* @api public
*/ exports.decodePayloadAsBinary = function(data, binaryType, callback) {
if (typeof binaryType === "function") {
callback = binaryType;
binaryType = null;
}
var bufferTail = data;
var buffers = [];
while(bufferTail.byteLength > 0){
var tailArray = new Uint8Array(bufferTail);
var isString = tailArray[0] === 0;
var msgLength = "";
for(var i = 1;; i++){
if (tailArray[i] === 255) break;
// 310 = char length of Number.MAX_VALUE
if (msgLength.length > 310) return callback(err, 0, 1);
msgLength += tailArray[i];
}
bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
msgLength = parseInt(msgLength);
var msg = sliceBuffer(bufferTail, 0, msgLength);
if (isString) try {
msg = String.fromCharCode.apply(null, new Uint8Array(msg));
} catch (e) {
// iPhone Safari doesn't let you apply to typed arrays
var typed = new Uint8Array(msg);
msg = "";
for(var i = 0; i < typed.length; i++)msg += String.fromCharCode(typed[i]);
}
buffers.push(msg);
bufferTail = sliceBuffer(bufferTail, msgLength);
}
var total = buffers.length;
buffers.forEach(function(buffer, i) {
callback(exports.decodePacket(buffer, binaryType, true), i, total);
});
};
},{"f8f00a524a197d96":"biMMh","4d751f4f181dffd3":"bvVNt","e5cf1a50285a5a2a":"fcvwH","280b7fed8b96ec85":"I5Mj4","c9b3809000e0242c":"eUyck","33aec57e480c28a9":"dQodo","455850c1d7cf59c3":"hLYO4"}],"biMMh":[function(require,module,exports) {
/**
* Gets the keys for an object.
*
* @return {Array} keys
* @api private
*/ module.exports = Object.keys || function keys(obj) {
var arr = [];
var has = Object.prototype.hasOwnProperty;
for(var i in obj)if (has.call(obj, i)) arr.push(i);
return arr;
};
},{}],"bvVNt":[function(require,module,exports) {
/* global Blob File */ /*
* Module requirements.
*/ var Buffer = require("92fe6d17ee67fc84").Buffer;
var isArray = require("311e6a197ed46291");
var toString = Object.prototype.toString;
var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]";
var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]";
/**
* Module exports.
*/ module.exports = hasBinary;
/**
* Checks for binary data.
*
* Supports Buffer, ArrayBuffer, Blob and File.
*
* @param {Object} anything
* @api public
*/ function hasBinary(obj) {
if (!obj || typeof obj !== "object") return false;
if (isArray(obj)) {
for(var i = 0, l = obj.length; i < l; i++){
if (hasBinary(obj[i])) return true;
}
return false;
}
if (typeof Buffer === "function" && Buffer.isBuffer && Buffer.isBuffer(obj) || typeof ArrayBuffer === "function" && obj instanceof ArrayBuffer || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File) return true;
// see: https://github.com/Automattic/has-binary/pull/4
if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) return hasBinary(obj.toJSON(), true);
for(var key in obj){
if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) return true;
}
return false;
}
},{"92fe6d17ee67fc84":"fCgem","311e6a197ed46291":"hk7XJ"}],"fcvwH":[function(require,module,exports) {
/**
* An abstraction for slicing an arraybuffer even when
* ArrayBuffer.prototype.slice is not supported
*
* @api public
*/ module.exports = function(arraybuffer, start, end) {
var bytes = arraybuffer.byteLength;
start = start || 0;
end = end || bytes;
if (arraybuffer.slice) return arraybuffer.slice(start, end);
if (start < 0) start += bytes;
if (end < 0) end += bytes;
if (end > bytes) end = bytes;
if (start >= bytes || start >= end || bytes === 0) return new ArrayBuffer(0);
var abv = new Uint8Array(arraybuffer);
var result = new Uint8Array(end - start);
for(var i = start, ii = 0; i < end; i++, ii++)result[ii] = abv[i];
return result.buffer;
};
},{}],"I5Mj4":[function(require,module,exports) {
module.exports = after;
function after(count, callback, err_cb) {
var bail = false;
err_cb = err_cb || noop;
proxy.count = count;
return count === 0 ? callback() : proxy;
function proxy(err, result) {
if (proxy.count <= 0) throw new Error("after called too many times");
--proxy.count;
// after first error, rest are passed to err_cb
if (err) {
bail = true;
callback(err);
// future error callbacks will go to error handler
callback = err_cb;
} else if (proxy.count === 0 && !bail) callback(null, result);
}
}
function noop() {}
},{}],"eUyck":[function(require,module,exports) {
/*! https://mths.be/utf8js v2.1.2 by @mathias */ var stringFromCharCode = String.fromCharCode;
// Taken from https://mths.be/punycode
function ucs2decode(string) {
var output = [];
var counter = 0;
var length = string.length;
var value;
var extra;
while(counter < length){
value = string.charCodeAt(counter++);
if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
// high surrogate, and there is a next character
extra = string.charCodeAt(counter++);
if ((extra & 0xFC00) == 0xDC00) output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
else {
// unmatched surrogate; only append this code unit, in case the next
// code unit is the high surrogate of a surrogate pair
output.push(value);
counter--;
}
} else output.push(value);
}
return output;
}
// Taken from https://mths.be/punycode
function ucs2encode(array) {
var length = array.length;
var index = -1;
var value;
var output = "";
while(++index < length){
value = array[index];
if (value > 0xFFFF) {
value -= 0x10000;
output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
value = 0xDC00 | value & 0x3FF;
}
output += stringFromCharCode(value);
}
return output;
}
function checkScalarValue(codePoint, strict) {
if (codePoint >= 0xD800 && codePoint <= 0xDFFF) {
if (strict) throw Error("Lone surrogate U+" + codePoint.toString(16).toUpperCase() + " is not a scalar value");
return false;
}
return true;
}
/*--------------------------------------------------------------------------*/ function createByte(codePoint, shift) {
return stringFromCharCode(codePoint >> shift & 0x3F | 0x80);
}
function encodeCodePoint(codePoint, strict) {
if ((codePoint & 0xFFFFFF80) == 0) return stringFromCharCode(codePoint);
var symbol = "";
if ((codePoint & 0xFFFFF800) == 0) symbol = stringFromCharCode(codePoint >> 6 & 0x1F | 0xC0);
else if ((codePoint & 0xFFFF0000) == 0) {
if (!checkScalarValue(codePoint, strict)) codePoint = 0xFFFD;
symbol = stringFromCharCode(codePoint >> 12 & 0x0F | 0xE0);
symbol += createByte(codePoint, 6);
} else if ((codePoint & 0xFFE00000) == 0) {
symbol = stringFromCharCode(codePoint >> 18 & 0x07 | 0xF0);
symbol += createByte(codePoint, 12);
symbol += createByte(codePoint, 6);
}
symbol += stringFromCharCode(codePoint & 0x3F | 0x80);
return symbol;
}
function utf8encode(string, opts) {
opts = opts || {};
var strict = false !== opts.strict;
var codePoints = ucs2decode(string);
var length = codePoints.length;
var index = -1;
var codePoint;
var byteString = "";
while(++index < length){
codePoint = codePoints[index];
byteString += encodeCodePoint(codePoint, strict);
}
return byteString;
}
/*--------------------------------------------------------------------------*/ function readContinuationByte() {
if (byteIndex >= byteCount) throw Error("Invalid byte index");
var continuationByte = byteArray[byteIndex] & 0xFF;
byteIndex++;
if ((continuationByte & 0xC0) == 0x80) return continuationByte & 0x3F;
// If we end up here, its not a continuation byte
throw Error("Invalid continuation byte");
}
function decodeSymbol(strict) {
var byte1;
var byte2;
var byte3;
var byte4;
var codePoint;
if (byteIndex > byteCount) throw Error("Invalid byte index");
if (byteIndex == byteCount) return false;
// Read first byte
byte1 = byteArray[byteIndex] & 0xFF;
byteIndex++;
// 1-byte sequence (no continuation bytes)
if ((byte1 & 0x80) == 0) return byte1;
// 2-byte sequence
if ((byte1 & 0xE0) == 0xC0) {
byte2 = readContinuationByte();
codePoint = (byte1 & 0x1F) << 6 | byte2;
if (codePoint >= 0x80) return codePoint;
else throw Error("Invalid continuation byte");
}
// 3-byte sequence (may include unpaired surrogates)
if ((byte1 & 0xF0) == 0xE0) {
byte2 = readContinuationByte();
byte3 = readContinuationByte();
codePoint = (byte1 & 0x0F) << 12 | byte2 << 6 | byte3;
if (codePoint >= 0x0800) return checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;
else throw Error("Invalid continuation byte");
}
// 4-byte sequence
if ((byte1 & 0xF8) == 0xF0) {
byte2 = readContinuationByte();
byte3 = readContinuationByte();
byte4 = readContinuationByte();
codePoint = (byte1 & 0x07) << 0x12 | byte2 << 0x0C | byte3 << 0x06 | byte4;
if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) return codePoint;
}
throw Error("Invalid UTF-8 detected");
}
var byteArray;
var byteCount;
var byteIndex;
function utf8decode(byteString, opts) {
opts = opts || {};
var strict = false !== opts.strict;
byteArray = ucs2decode(byteString);
byteCount = byteArray.length;
byteIndex = 0;
var codePoints = [];
var tmp;
while((tmp = decodeSymbol(strict)) !== false)codePoints.push(tmp);
return ucs2encode(codePoints);
}
module.exports = {
version: "2.1.2",
encode: utf8encode,
decode: utf8decode
};
},{}],"dQodo":[function(require,module,exports) {
/*
* base64-arraybuffer
* https://github.com/niklasvh/base64-arraybuffer
*
* Copyright (c) 2012 Niklas von Hertzen
* Licensed under the MIT license.
*/ (function(chars) {
"use strict";
exports.encode = function(arraybuffer) {
var bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = "";
for(i = 0; i < len; i += 3){
base64 += chars[bytes[i] >> 2];
base64 += chars[(bytes[i] & 3) << 4 | bytes[i + 1] >> 4];
base64 += chars[(bytes[i + 1] & 15) << 2 | bytes[i + 2] >> 6];
base64 += chars[bytes[i + 2] & 63];
}
if (len % 3 === 2) base64 = base64.substring(0, base64.length - 1) + "=";
else if (len % 3 === 1) base64 = base64.substring(0, base64.length - 2) + "==";
return base64;
};
exports.decode = function(base64) {
var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
if (base64[base64.length - 1] === "=") {
bufferLength--;
if (base64[base64.length - 2] === "=") bufferLength--;
}
var arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);
for(i = 0; i < len; i += 4){
encoded1 = chars.indexOf(base64[i]);
encoded2 = chars.indexOf(base64[i + 1]);
encoded3 = chars.indexOf(base64[i + 2]);
encoded4 = chars.indexOf(base64[i + 3]);
bytes[p++] = encoded1 << 2 | encoded2 >> 4;
bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
}
return arraybuffer;
};
})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
},{}],"hLYO4":[function(require,module,exports) {
/**
* Create a blob builder even when vendor prefixes exist
*/ var BlobBuilder = typeof BlobBuilder !== "undefined" ? BlobBuilder : typeof WebKitBlobBuilder !== "undefined" ? WebKitBlobBuilder : typeof MSBlobBuilder !== "undefined" ? MSBlobBuilder : typeof MozBlobBuilder !== "undefined" ? MozBlobBuilder : false;
/**
* Check if Blob constructor is supported
*/ var blobSupported = function() {
try {
var a = new Blob([
"hi"
]);
return a.size === 2;
} catch (e) {
return false;
}
}();
/**
* Check if Blob constructor supports ArrayBufferViews
* Fails in Safari 6, so we need to map to ArrayBuffers there.
*/ var blobSupportsArrayBufferView = blobSupported && function() {
try {
var b = new Blob([
new Uint8Array([
1,
2
])
]);
return b.size === 2;
} catch (e) {
return false;
}
}();
/**
* Check if BlobBuilder is supported
*/ var blobBuilderSupported = BlobBuilder && BlobBuilder.prototype.append && BlobBuilder.prototype.getBlob;
/**
* Helper function that maps ArrayBufferViews to ArrayBuffers
* Used by BlobBuilder constructor and old browsers that didn't
* support it in the Blob constructor.
*/ function mapArrayBufferViews(ary) {
return ary.map(function(chunk) {
if (chunk.buffer instanceof ArrayBuffer) {
var buf = chunk.buffer;
// if this is a subarray, make a copy so we only
// include the subarray region from the underlying buffer
if (chunk.byteLength !== buf.byteLength) {
var copy = new Uint8Array(chunk.byteLength);
copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
buf = copy.buffer;
}
return buf;
}
return chunk;
});
}
function BlobBuilderConstructor(ary, options) {
options = options || {};
var bb = new BlobBuilder();
mapArrayBufferViews(ary).forEach(function(part) {
bb.append(part);
});
return options.type ? bb.getBlob(options.type) : bb.getBlob();
}
function BlobConstructor(ary, options) {
return new Blob(mapArrayBufferViews(ary), options || {});
}
if (typeof Blob !== "undefined") {
BlobBuilderConstructor.prototype = Blob.prototype;
BlobConstructor.prototype = Blob.prototype;
}
module.exports = function() {
if (blobSupported) return blobSupportsArrayBufferView ? Blob : BlobConstructor;
else if (blobBuilderSupported) return BlobBuilderConstructor;
else return undefined;
}();
},{}],"M504l":[function(require,module,exports) {
/**
* Compiles a querystring
* Returns string representation of the object
*
* @param {Object}
* @api private
*/ exports.encode = function(obj) {
var str = "";
for(var i in obj)if (obj.hasOwnProperty(i)) {
if (str.length) str += "&";
str += encodeURIComponent(i) + "=" + encodeURIComponent(obj[i]);
}
return str;
};
/**
* Parses a simple querystring into an object
*
* @param {String} qs
* @api private
*/ exports.decode = function(qs) {
var qry = {};
var pairs = qs.split("&");
for(var i = 0, l = pairs.length; i < l; i++){
var pair = pairs[i].split("=");
qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
}
return qry;
};
},{}],"idpNN":[function(require,module,exports) {
module.exports = function(a, b) {
var fn = function() {};
fn.prototype = b.prototype;
a.prototype = new fn;
a.prototype.constructor = a;
};
},{}],"3CfTu":[function(require,module,exports) {
"use strict";
var alphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""), length = 64, map = {}, seed = 0, i = 0, prev;
/**
* Return a string representing the specified number.
*
* @param {Number} num The number to convert.
* @returns {String} The string representation of the number.
* @api public
*/ function encode(num) {
var encoded = "";
do {
encoded = alphabet[num % length] + encoded;
num = Math.floor(num / length);
}while (num > 0);
return encoded;
}
/**
* Return the integer value specified by the given string.
*
* @param {String} str The string to convert.
* @returns {Number} The integer value represented by the string.
* @api public
*/ function decode(str) {
var decoded = 0;
for(i = 0; i < str.length; i++)decoded = decoded * length + map[str.charAt(i)];
return decoded;
}
/**
* Yeast: A tiny growing id generator.
*
* @returns {String} A unique id.
* @api public
*/ function yeast() {
var now = encode(+new Date());
if (now !== prev) return seed = 0, prev = now;
return now + "." + encode(seed++);
}
//
// Map each character to its index.
//
for(; i < length; i++)map[alphabet[i]] = i;
//
// Expose the `yeast`, `encode` and `decode` functions.
//
yeast.encode = encode;
yeast.decode = decode;
module.exports = yeast;
},{}],"7PlrH":[function(require,module,exports) {
/**
* Module requirements.
*/ var Polling = require("b95a72800069b181");
var inherit = require("1bb6e1cb688fc8c7");
var globalThis1 = require("b34a44212c4ce195");
/**
* Module exports.
*/ module.exports = JSONPPolling;
/**
* Cached regular expressions.
*/ var rNewline = /\n/g;
var rEscapedNewline = /\\n/g;
/**
* Global JSONP callbacks.
*/ var callbacks;
/**
* Noop.
*/ function empty() {}
/**
* JSONP Polling constructor.
*
* @param {Object} opts.
* @api public
*/ function JSONPPolling(opts) {
Polling.call(this, opts);
this.query = this.query || {};
// define global callbacks array if not present
// we do this here (lazily) to avoid unneeded global pollution
if (!callbacks) // we need to consider multiple engines in the same page
callbacks = globalThis.___eio = globalThis.___eio || [];
// callback identifier
this.index = callbacks.length;
// add callback to jsonp global
var self = this;
callbacks.push(function(msg) {
self.onData(msg);
});
// append to query string
this.query.j = this.index;
// prevent spurious errors from being emitted when the window is unloaded
if (typeof addEventListener === "function") addEventListener("beforeunload", function() {
if (self.script) self.script.onerror = empty;
}, false);
}
/**
* Inherits from Polling.
*/ inherit(JSONPPolling, Polling);
/*
* JSONP only supports binary as base64 encoded strings
*/ JSONPPolling.prototype.supportsBinary = false;
/**
* Closes the socket.
*
* @api private
*/ JSONPPolling.prototype.doClose = function() {
if (this.script) {
this.script.parentNode.removeChild(this.script);
this.script = null;
}
if (this.form) {
this.form.parentNode.removeChild(this.form);
this.form = null;
this.iframe = null;
}
Polling.prototype.doClose.call(this);
};
/**
* Starts a poll cycle.
*
* @api private
*/ JSONPPolling.prototype.doPoll = function() {
var self = this;
var script = document.createElement("script");
if (this.script) {
this.script.parentNode.removeChild(this.script);
this.script = null;
}
script.async = true;
script.src = this.uri();
script.onerror = function(e) {
self.onError("jsonp poll error", e);
};
var insertAt = document.getElementsByTagName("script")[0];
if (insertAt) insertAt.parentNode.insertBefore(script, insertAt);
else (document.head || document.body).appendChild(script);
this.script = script;
var isUAgecko = "undefined" !== typeof navigator && /gecko/i.test(navigator.userAgent);
if (isUAgecko) setTimeout(function() {
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
document.body.removeChild(iframe);
}, 100);
};
/**
* Writes with a hidden iframe.
*
* @param {String} data to send
* @param {Function} called upon flush.
* @api private
*/ JSONPPolling.prototype.doWrite = function(data, fn) {
var self = this;
if (!this.form) {
var form = document.createElement("form");
var area = document.createElement("textarea");
var id = this.iframeId = "eio_iframe_" + this.index;
var iframe;
form.className = "socketio";
form.style.position = "absolute";
form.style.top = "-1000px";
form.style.left = "-1000px";
form.target = id;
form.method = "POST";
form.setAttribute("accept-charset", "utf-8");
area.name = "d";
form.appendChild(area);
document.body.appendChild(form);
this.form = form;
this.area = area;
}
this.form.action = this.uri();
function complete() {
initIframe();
fn();
}
function initIframe() {
if (self.iframe) try {
self.form.removeChild(self.iframe);
} catch (e) {
self.onError("jsonp polling iframe removal error", e);
}
try {
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
iframe = document.createElement(html);
} catch (e) {
iframe = document.createElement("iframe");
iframe.name = self.iframeId;
iframe.src = "javascript:0";
}
iframe.id = self.iframeId;
self.form.appendChild(iframe);
self.iframe = iframe;
}
initIframe();
// escape \n to prevent it from being converted into \r\n by some UAs
// double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
data = data.replace(rEscapedNewline, "\\\n");
this.area.value = data.replace(rNewline, "\\n");
try {
this.form.submit();
} catch (e) {}
if (this.iframe.attachEvent) this.iframe.onreadystatechange = function() {
if (self.iframe.readyState === "complete") complete();
};
else this.iframe.onload = complete;
};
},{"b95a72800069b181":"6Bu9a","1bb6e1cb688fc8c7":"idpNN","b34a44212c4ce195":"68bZg"}],"cl8V7":[function(require,module,exports) {
/**
* Module dependencies.
*/ var Buffer = require("a0a417939c2096cc").Buffer;
var Transport = require("dc4e60353351a8bc");
var parser = require("19826f009c43f394");
var parseqs = require("e21b6a7be3ab5133");
var inherit = require("b8a122cd33059508");
var yeast = require("c9c0d9e2167b05f7");
var debug = require("ffdcd4d3b6d8069")("engine.io-client:websocket");
var BrowserWebSocket, NodeWebSocket;
if (typeof WebSocket !== "undefined") BrowserWebSocket = WebSocket;
else if (typeof self !== "undefined") BrowserWebSocket = self.WebSocket || self.MozWebSocket;
if (typeof window === "undefined") try {
NodeWebSocket = require("6cfaabb4eb595e56");
} catch (e) {}
/**
* Get either the `WebSocket` or `MozWebSocket` globals
* in the browser or try to resolve WebSocket-compatible
* interface exposed by `ws` for Node-like environment.
*/ var WebSocketImpl = BrowserWebSocket || NodeWebSocket;
/**
* Module exports.
*/ module.exports = WS;
/**
* WebSocket transport constructor.
*
* @api {Object} connection options
* @api public
*/ function WS(opts) {
var forceBase64 = opts && opts.forceBase64;
if (forceBase64) this.supportsBinary = false;
this.perMessageDeflate = opts.perMessageDeflate;
this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;
this.protocols = opts.protocols;
if (!this.usingBrowserWebSocket) WebSocketImpl = NodeWebSocket;
Transport.call(this, opts);
}
/**
* Inherits from Transport.
*/ inherit(WS, Transport);
/**
* Transport name.
*
* @api public
*/ WS.prototype.name = "websocket";
/*
* WebSockets support binary
*/ WS.prototype.supportsBinary = true;
/**
* Opens socket.
*
* @api private
*/ WS.prototype.doOpen = function() {
if (!this.check()) // let probe timeout
return;
var uri = this.uri();
var protocols = this.protocols;
var opts = {};
if (!this.isReactNative) {
opts.agent = this.agent;
opts.perMessageDeflate = this.perMessageDeflate;
// SSL options for Node.js client
opts.pfx = this.pfx;
opts.key = this.key;
opts.passphrase = this.passphrase;
opts.cert = this.cert;
opts.ca = this.ca;
opts.ciphers = this.ciphers;
opts.rejectUnauthorized = this.rejectUnauthorized;
}
if (this.extraHeaders) opts.headers = this.extraHeaders;
if (this.localAddress) opts.localAddress = this.localAddress;
try {
this.ws = this.usingBrowserWebSocket && !this.isReactNative ? protocols ? new WebSocketImpl(uri, protocols) : new WebSocketImpl(uri) : new WebSocketImpl(uri, protocols, opts);
} catch (err) {
return this.emit("error", err);
}
if (this.ws.binaryType === undefined) this.supportsBinary = false;
if (this.ws.supports && this.ws.supports.binary) {
this.supportsBinary = true;
this.ws.binaryType = "nodebuffer";
} else this.ws.binaryType = "arraybuffer";
this.addEventListeners();
};
/**
* Adds event listeners to the socket
*
* @api private
*/ WS.prototype.addEventListeners = function() {
var self1 = this;
this.ws.onopen = function() {
self1.onOpen();
};
this.ws.onclose = function() {
self1.onClose();
};
this.ws.onmessage = function(ev) {
self1.onData(ev.data);
};
this.ws.onerror = function(e) {
self1.onError("websocket error", e);
};
};
/**
* Writes data to socket.
*
* @param {Array} array of packets.
* @api private
*/ WS.prototype.write = function(packets) {
var self1 = this;
this.writable = false;
// encodePacket efficient as it uses WS framing
// no need for encodePayload
var total = packets.length;
for(var i = 0, l = total; i < l; i++)(function(packet) {
parser.encodePacket(packet, self1.supportsBinary, function(data) {
if (!self1.usingBrowserWebSocket) {
// always create a new object (GH-437)
var opts = {};
if (packet.options) opts.compress = packet.options.compress;
if (self1.perMessageDeflate) {
var len = "string" === typeof data ? Buffer.byteLength(data) : data.length;
if (len < self1.perMessageDeflate.threshold) opts.compress = false;
}
}
// Sometimes the websocket has already been closed but the browser didn't
// have a chance of informing us about it yet, in that case send will
// throw an error
try {
if (self1.usingBrowserWebSocket) // TypeError is thrown when passing the second argument on Safari
self1.ws.send(data);
else self1.ws.send(data, opts);
} catch (e) {
debug("websocket closed before onclose event");
}
--total || done();
});
})(packets[i]);
function done() {
self1.emit("flush");
// fake drain
// defer to next tick to allow Socket to clear writeBuffer
setTimeout(function() {
self1.writable = true;
self1.emit("drain");
}, 0);
}
};
/**
* Called upon close
*
* @api private
*/ WS.prototype.onClose = function() {
Transport.prototype.onClose.call(this);
};
/**
* Closes socket.
*
* @api private
*/ WS.prototype.doClose = function() {
if (typeof this.ws !== "undefined") this.ws.close();
};
/**
* Generates uri for connection.
*
* @api private
*/ WS.prototype.uri = function() {
var query = this.query || {};
var schema = this.secure ? "wss" : "ws";
var port = "";
// avoid port if default for schema
if (this.port && ("wss" === schema && Number(this.port) !== 443 || "ws" === schema && Number(this.port) !== 80)) port = ":" + this.port;
// append timestamp to URI
if (this.timestampRequests) query[this.timestampParam] = yeast();
// communicate binary support capabilities
if (!this.supportsBinary) query.b64 = 1;
query = parseqs.encode(query);
// prepend ? to query
if (query.length) query = "?" + query;
var ipv6 = this.hostname.indexOf(":") !== -1;
return schema + "://" + (ipv6 ? "[" + this.hostname + "]" : this.hostname) + port + this.path + query;
};
/**
* Feature detection for WebSocket.
*
* @return {Boolean} whether this transport is available.
* @api public
*/ WS.prototype.check = function() {
return !!WebSocketImpl && !("__initialize" in WebSocketImpl && this.name === WS.prototype.name);
};
},{"a0a417939c2096cc":"fCgem","dc4e60353351a8bc":"ljuQJ","19826f009c43f394":"eUidh","e21b6a7be3ab5133":"M504l","b8a122cd33059508":"idpNN","c9c0d9e2167b05f7":"3CfTu","ffdcd4d3b6d8069":"l0oUb","6cfaabb4eb595e56":"jhUEF"}],"jhUEF":[function(require,module,exports) {
"use strict";
},{}],"j5RZX":[function(require,module,exports) {
var indexOf = [].indexOf;
module.exports = function(arr, obj) {
if (indexOf) return arr.indexOf(obj);
for(var i = 0; i < arr.length; ++i){
if (arr[i] === obj) return i;
}
return -1;
};
},{}],"aZLF9":[function(require,module,exports) {
/**
* Module dependencies.
*/ var parser = require("62860869af69302e");
var Emitter = require("579d7d3b08eca257");
var toArray = require("762f918a74841144");
var on = require("5f486de4e6ba68c2");
var bind = require("56e2a0d74406281a");
var debug = require("7f4184a0e1d3cb3a")("socket.io-client:socket");
var parseqs = require("64b9e3ffd2f3f1b5");
var hasBin = require("b0d3cdb32b3df3ae");
/**
* Module exports.
*/ module.exports = exports = Socket;
/**
* Internal events (blacklisted).
* These events can't be emitted by the user.
*
* @api private
*/ var events = {
connect: 1,
connect_error: 1,
connect_timeout: 1,
connecting: 1,
disconnect: 1,
error: 1,
reconnect: 1,
reconnect_attempt: 1,
reconnect_failed: 1,
reconnect_error: 1,
reconnecting: 1,
ping: 1,
pong: 1
};
/**
* Shortcut to `Emitter#emit`.
*/ var emit = Emitter.prototype.emit;
/**
* `Socket` constructor.
*
* @api public
*/ function Socket(io, nsp, opts) {
this.io = io;
this.nsp = nsp;
this.json = this; // compat
this.ids = 0;
this.acks = {};
this.receiveBuffer = [];
this.sendBuffer = [];
this.connected = false;
this.disconnected = true;
this.flags = {};
if (opts && opts.query) this.query = opts.query;
if (this.io.autoConnect) this.open();
}
/**
* Mix in `Emitter`.
*/ Emitter(Socket.prototype);
/**
* Subscribe to open, close and packet events
*
* @api private
*/ Socket.prototype.subEvents = function() {
if (this.subs) return;
var io = this.io;
this.subs = [
on(io, "open", bind(this, "onopen")),
on(io, "packet", bind(this, "onpacket")),
on(io, "close", bind(this, "onclose"))
];
};
/**
* "Opens" the socket.
*
* @api public
*/ Socket.prototype.open = Socket.prototype.connect = function() {
if (this.connected) return this;
this.subEvents();
if (!this.io.reconnecting) this.io.open(); // ensure open
if ("open" === this.io.readyState) this.onopen();
this.emit("connecting");
return this;
};
/**
* Sends a `message` event.
*
* @return {Socket} self
* @api public
*/ Socket.prototype.send = function() {
var args = toArray(arguments);
args.unshift("message");
this.emit.apply(this, args);
return this;
};
/**
* Override `emit`.
* If the event is in `events`, it's emitted normally.
*
* @param {String} event name
* @return {Socket} self
* @api public
*/ Socket.prototype.emit = function(ev) {
if (events.hasOwnProperty(ev)) {
emit.apply(this, arguments);
return this;
}
var args = toArray(arguments);
var packet = {
type: (this.flags.binary !== undefined ? this.flags.binary : hasBin(args)) ? parser.BINARY_EVENT : parser.EVENT,
data: args
};
packet.options = {};
packet.options.compress = !this.flags || false !== this.flags.compress;
// event ack callback
if ("function" === typeof args[args.length - 1]) {
debug("emitting packet with ack id %d", this.ids);
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
}
if (this.connected) this.packet(packet);
else this.sendBuffer.push(packet);
this.flags = {};
return this;
};
/**
* Sends a packet.
*
* @param {Object} packet
* @api private
*/ Socket.prototype.packet = function(packet) {
packet.nsp = this.nsp;
this.io.packet(packet);
};
/**
* Called upon engine `open`.
*
* @api private
*/ Socket.prototype.onopen = function() {
debug("transport is open - connecting");
// write connect packet if necessary
if ("/" !== this.nsp) {
if (this.query) {
var query = typeof this.query === "object" ? parseqs.encode(this.query) : this.query;
debug("sending connect packet with query %s", query);
this.packet({
type: parser.CONNECT,
query: query
});
} else this.packet({
type: parser.CONNECT
});
}
};
/**
* Called upon engine `close`.
*
* @param {String} reason
* @api private
*/ Socket.prototype.onclose = function(reason) {
debug("close (%s)", reason);
this.connected = false;
this.disconnected = true;
delete this.id;
this.emit("disconnect", reason);
};
/**
* Called with socket packet.
*
* @param {Object} packet
* @api private
*/ Socket.prototype.onpacket = function(packet) {
var sameNamespace = packet.nsp === this.nsp;
var rootNamespaceError = packet.type === parser.ERROR && packet.nsp === "/";
if (!sameNamespace && !rootNamespaceError) return;
switch(packet.type){
case parser.CONNECT:
this.onconnect();
break;
case parser.EVENT:
this.onevent(packet);
break;
case parser.BINARY_EVENT:
this.onevent(packet);
break;
case parser.ACK:
this.onack(packet);
break;
case parser.BINARY_ACK:
this.onack(packet);
break;
case parser.DISCONNECT:
this.ondisconnect();
break;
case parser.ERROR:
this.emit("error", packet.data);
break;
}
};
/**
* Called upon a server event.
*
* @param {Object} packet
* @api private
*/ Socket.prototype.onevent = function(packet) {
var args = packet.data || [];
debug("emitting event %j", args);
if (null != packet.id) {
debug("attaching ack callback to event");
args.push(this.ack(packet.id));
}
if (this.connected) emit.apply(this, args);
else this.receiveBuffer.push(args);
};
/**
* Produces an ack callback to emit with an event.
*
* @api private
*/ Socket.prototype.ack = function(id) {
var self = this;
var sent = false;
return function() {
// prevent double callbacks
if (sent) return;
sent = true;
var args = toArray(arguments);
debug("sending ack %j", args);
self.packet({
type: hasBin(args) ? parser.BINARY_ACK : parser.ACK,
id: id,
data: args
});
};
};
/**
* Called upon a server acknowlegement.
*
* @param {Object} packet
* @api private
*/ Socket.prototype.onack = function(packet) {
var ack = this.acks[packet.id];
if ("function" === typeof ack) {
debug("calling ack %s with %j", packet.id, packet.data);
ack.apply(this, packet.data);
delete this.acks[packet.id];
} else debug("bad ack %s", packet.id);
};
/**
* Called upon server connect.
*
* @api private
*/ Socket.prototype.onconnect = function() {
this.connected = true;
this.disconnected = false;
this.emit("connect");
this.emitBuffered();
};
/**
* Emit buffered events (received and emitted).
*
* @api private
*/ Socket.prototype.emitBuffered = function() {
var i;
for(i = 0; i < this.receiveBuffer.length; i++)emit.apply(this, this.receiveBuffer[i]);
this.receiveBuffer = [];
for(i = 0; i < this.sendBuffer.length; i++)this.packet(this.sendBuffer[i]);
this.sendBuffer = [];
};
/**
* Called upon server disconnect.
*
* @api private
*/ Socket.prototype.ondisconnect = function() {
debug("server disconnect (%s)", this.nsp);
this.destroy();
this.onclose("io server disconnect");
};
/**
* Called upon forced client/server side disconnections,
* this method ensures the manager stops tracking us and
* that reconnections don't get triggered for this.
*
* @api private.
*/ Socket.prototype.destroy = function() {
if (this.subs) {
// clean subscriptions to avoid reconnections
for(var i = 0; i < this.subs.length; i++)this.subs[i].destroy();
this.subs = null;
}
this.io.destroy(this);
};
/**
* Disconnects the socket manually.
*
* @return {Socket} self
* @api public
*/ Socket.prototype.close = Socket.prototype.disconnect = function() {
if (this.connected) {
debug("performing disconnect (%s)", this.nsp);
this.packet({
type: parser.DISCONNECT
});
}
// remove socket from pool
this.destroy();
if (this.connected) // fire events
this.onclose("io client disconnect");
return this;
};
/**
* Sets the compress flag.
*
* @param {Boolean} if `true`, compresses the sending data
* @return {Socket} self
* @api public
*/ Socket.prototype.compress = function(compress) {
this.flags.compress = compress;
return this;
};
/**
* Sets the binary flag
*
* @param {Boolean} whether the emitted data contains binary
* @return {Socket} self
* @api public
*/ Socket.prototype.binary = function(binary) {
this.flags.binary = binary;
return this;
};
},{"62860869af69302e":"iEP88","579d7d3b08eca257":"5nHrO","762f918a74841144":"aRpKP","5f486de4e6ba68c2":"fRNUp","56e2a0d74406281a":"lVL5b","7f4184a0e1d3cb3a":"l0oUb","64b9e3ffd2f3f1b5":"M504l","b0d3cdb32b3df3ae":"bvVNt"}],"aRpKP":[function(require,module,exports) {
module.exports = toArray;
function toArray(list, index) {
var array = [];
index = index || 0;
for(var i = index || 0; i < list.length; i++)array[i - index] = list[i];
return array;
}
},{}],"fRNUp":[function(require,module,exports) {
/**
* Module exports.
*/ module.exports = on;
/**
* Helper for subscriptions.
*
* @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
* @param {String} event name
* @param {Function} callback
* @api public
*/ function on(obj, ev, fn) {
obj.on(ev, fn);
return {
destroy: function() {
obj.removeListener(ev, fn);
}
};
}
},{}],"lVL5b":[function(require,module,exports) {
/**
* Slice reference.
*/ var slice = [].slice;
/**
* Bind `obj` to `fn`.
*
* @param {Object} obj
* @param {Function|String} fn or string
* @return {Function}
* @api public
*/ module.exports = function(obj, fn) {
if ("string" == typeof fn) fn = obj[fn];
if ("function" != typeof fn) throw new Error("bind() requires a function");
var args = slice.call(arguments, 2);
return function() {
return fn.apply(obj, args.concat(slice.call(arguments)));
};
};
},{}],"kOkss":[function(require,module,exports) {
/**
* Expose `Backoff`.
*/ module.exports = Backoff;
/**
* Initialize backoff timer with `opts`.
*
* - `min` initial timeout in milliseconds [100]
* - `max` max timeout [10000]
* - `jitter` [0]
* - `factor` [2]
*
* @param {Object} opts
* @api public
*/ function Backoff(opts) {
opts = opts || {};
this.ms = opts.min || 100;
this.max = opts.max || 10000;
this.factor = opts.factor || 2;
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
this.attempts = 0;
}
/**
* Return the backoff duration.
*
* @return {Number}
* @api public
*/ Backoff.prototype.duration = function() {
var ms = this.ms * Math.pow(this.factor, this.attempts++);
if (this.jitter) {
var rand = Math.random();
var deviation = Math.floor(rand * this.jitter * ms);
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
}
return Math.min(ms, this.max) | 0;
};
/**
* Reset the number of attempts.
*
* @api public
*/ Backoff.prototype.reset = function() {
this.attempts = 0;
};
/**
* Set the minimum duration
*
* @api public
*/ Backoff.prototype.setMin = function(min) {
this.ms = min;
};
/**
* Set the maximum duration
*
* @api public
*/ Backoff.prototype.setMax = function(max) {
this.max = max;
};
/**
* Set the jitter
*
* @api public
*/ Backoff.prototype.setJitter = function(jitter) {
this.jitter = jitter;
};
},{}]},["gmPuC","h7u1C"], "h7u1C", "parcelRequire5324")
//# sourceMappingURL=index.b71e74eb.js.map