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(The MIT License)
Copyright (c) 2014-2018 Automattic <dev@cloudup.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# socket.io
[![Backers on Open Collective](https://opencollective.com/socketio/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/socketio/sponsors/badge.svg)](#sponsors)
[![Build Status](https://secure.travis-ci.org/socketio/socket.io.svg?branch=master)](https://travis-ci.org/socketio/socket.io)
[![Dependency Status](https://david-dm.org/socketio/socket.io.svg)](https://david-dm.org/socketio/socket.io)
[![devDependency Status](https://david-dm.org/socketio/socket.io/dev-status.svg)](https://david-dm.org/socketio/socket.io#info=devDependencies)
[![NPM version](https://badge.fury.io/js/socket.io.svg)](https://www.npmjs.com/package/socket.io)
![Downloads](https://img.shields.io/npm/dm/socket.io.svg?style=flat)
[![](https://slackin-socketio.now.sh/badge.svg)](https://slackin-socketio.now.sh)
## Features
Socket.IO enables real-time bidirectional event-based communication. It consists of:
- a Node.js server (this repository)
- a [Javascript client library](https://github.com/socketio/socket.io-client) for the browser (or a Node.js client)
Some implementations in other languages are also available:
- [Java](https://github.com/socketio/socket.io-client-java)
- [C++](https://github.com/socketio/socket.io-client-cpp)
- [Swift](https://github.com/socketio/socket.io-client-swift)
- [Dart](https://github.com/rikulo/socket.io-client-dart)
Its main features are:
#### Reliability
Connections are established even in the presence of:
- proxies and load balancers.
- personal firewall and antivirus software.
For this purpose, it relies on [Engine.IO](https://github.com/socketio/engine.io), which first establishes a long-polling connection, then tries to upgrade to better transports that are "tested" on the side, like WebSocket. Please see the [Goals](https://github.com/socketio/engine.io#goals) section for more information.
#### Auto-reconnection support
Unless instructed otherwise a disconnected client will try to reconnect forever, until the server is available again. Please see the available reconnection options [here](https://github.com/socketio/socket.io-client/blob/master/docs/API.md#new-managerurl-options).
#### Disconnection detection
A heartbeat mechanism is implemented at the Engine.IO level, allowing both the server and the client to know when the other one is not responding anymore.
That functionality is achieved with timers set on both the server and the client, with timeout values (the `pingInterval` and `pingTimeout` parameters) shared during the connection handshake. Those timers require any subsequent client calls to be directed to the same server, hence the `sticky-session` requirement when using multiples nodes.
#### Binary support
Any serializable data structures can be emitted, including:
- [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) and [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob) in the browser
- [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) and [Buffer](https://nodejs.org/api/buffer.html) in Node.js
#### Simple and convenient API
Sample code:
```js
io.on('connection', socket => {
socket.emit('request', /* … */); // emit an event to the socket
io.emit('broadcast', /* … */); // emit an event to all connected sockets
socket.on('reply', () => { /* … */ }); // listen to the event
});
```
#### Cross-browser
Browser support is tested in Saucelabs:
[![Sauce Test Status](https://saucelabs.com/browser-matrix/socket.svg)](https://saucelabs.com/u/socket)
#### Multiplexing support
In order to create separation of concerns within your application (for example per module, or based on permissions), Socket.IO allows you to create several `Namespaces`, which will act as separate communication channels but will share the same underlying connection.
#### Room support
Within each `Namespace`, you can define arbitrary channels, called `Rooms`, that sockets can join and leave. You can then broadcast to any given room, reaching every socket that has joined it.
This is a useful feature to send notifications to a group of users, or to a given user connected on several devices for example.
**Note:** Socket.IO is not a WebSocket implementation. Although Socket.IO indeed uses WebSocket as a transport when possible, it adds some metadata to each packet: the packet type, the namespace and the ack id when a message acknowledgement is needed. That is why a WebSocket client will not be able to successfully connect to a Socket.IO server, and a Socket.IO client will not be able to connect to a WebSocket server (like `ws://echo.websocket.org`) either. Please see the protocol specification [here](https://github.com/socketio/socket.io-protocol).
## Installation
```bash
npm install socket.io
```
## How to use
The following example attaches socket.io to a plain Node.JS
HTTP server listening on port `3000`.
```js
const server = require('http').createServer();
const io = require('socket.io')(server);
io.on('connection', client => {
client.on('event', data => { /* … */ });
client.on('disconnect', () => { /* … */ });
});
server.listen(3000);
```
### Standalone
```js
const io = require('socket.io')();
io.on('connection', client => { ... });
io.listen(3000);
```
### In conjunction with Express
Starting with **3.0**, express applications have become request handler
functions that you pass to `http` or `http` `Server` instances. You need
to pass the `Server` to `socket.io`, and not the express application
function. Also make sure to call `.listen` on the `server`, not the `app`.
```js
const app = require('express')();
const server = require('http').createServer(app);
const io = require('socket.io')(server);
io.on('connection', () => { /* … */ });
server.listen(3000);
```
### In conjunction with Koa
Like Express.JS, Koa works by exposing an application as a request
handler function, but only by calling the `callback` method.
```js
const app = require('koa')();
const server = require('http').createServer(app.callback());
const io = require('socket.io')(server);
io.on('connection', () => { /* … */ });
server.listen(3000);
```
## Documentation
Please see the documentation [here](/docs/README.md). Contributions are welcome!
## Debug / logging
Socket.IO is powered by [debug](https://github.com/visionmedia/debug).
In order to see all the debug output, run your app with the environment variable
`DEBUG` including the desired scope.
To see the output from all of Socket.IO's debugging scopes you can use:
```
DEBUG=socket.io* node myapp
```
## Testing
```
npm test
```
This runs the `gulp` task `test`. By default the test will be run with the source code in `lib` directory.
Set the environmental variable `TEST_VERSION` to `compat` to test the transpiled es5-compat version of the code.
The `gulp` task `test` will always transpile the source code into es5 and export to `dist` first before running the test.
## Backers
Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/socketio#backer)]
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## Sponsors
Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/socketio#sponsor)]
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## License
[MIT](LICENSE)

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/**
* Module dependencies.
*/
var parser = require('socket.io-parser');
var debug = require('debug')('socket.io:client');
var url = require('url');
/**
* Module exports.
*/
module.exports = Client;
/**
* Client constructor.
*
* @param {Server} server instance
* @param {Socket} conn
* @api private
*/
function Client(server, conn){
this.server = server;
this.conn = conn;
this.encoder = server.encoder;
this.decoder = new server.parser.Decoder();
this.id = conn.id;
this.request = conn.request;
this.setup();
this.sockets = {};
this.nsps = {};
this.connectBuffer = [];
}
/**
* Sets up event listeners.
*
* @api private
*/
Client.prototype.setup = function(){
this.onclose = this.onclose.bind(this);
this.ondata = this.ondata.bind(this);
this.onerror = this.onerror.bind(this);
this.ondecoded = this.ondecoded.bind(this);
this.decoder.on('decoded', this.ondecoded);
this.conn.on('data', this.ondata);
this.conn.on('error', this.onerror);
this.conn.on('close', this.onclose);
};
/**
* Connects a client to a namespace.
*
* @param {String} name namespace
* @param {Object} query the query parameters
* @api private
*/
Client.prototype.connect = function(name, query){
if (this.server.nsps[name]) {
debug('connecting to namespace %s', name);
return this.doConnect(name, query);
}
this.server.checkNamespace(name, query, (dynamicNsp) => {
if (dynamicNsp) {
debug('dynamic namespace %s was created', dynamicNsp.name);
this.doConnect(name, query);
} else {
debug('creation of namespace %s was denied', name);
this.packet({ type: parser.ERROR, nsp: name, data: 'Invalid namespace' });
}
});
};
/**
* Connects a client to a namespace.
*
* @param {String} name namespace
* @param {String} query the query parameters
* @api private
*/
Client.prototype.doConnect = function(name, query){
var nsp = this.server.of(name);
if ('/' != name && !this.nsps['/']) {
this.connectBuffer.push(name);
return;
}
var self = this;
var socket = nsp.add(this, query, function(){
self.sockets[socket.id] = socket;
self.nsps[nsp.name] = socket;
if ('/' == nsp.name && self.connectBuffer.length > 0) {
self.connectBuffer.forEach(self.connect, self);
self.connectBuffer = [];
}
});
};
/**
* Disconnects from all namespaces and closes transport.
*
* @api private
*/
Client.prototype.disconnect = function(){
for (var id in this.sockets) {
if (this.sockets.hasOwnProperty(id)) {
this.sockets[id].disconnect();
}
}
this.sockets = {};
this.close();
};
/**
* Removes a socket. Called by each `Socket`.
*
* @api private
*/
Client.prototype.remove = function(socket){
if (this.sockets.hasOwnProperty(socket.id)) {
var nsp = this.sockets[socket.id].nsp.name;
delete this.sockets[socket.id];
delete this.nsps[nsp];
} else {
debug('ignoring remove for %s', socket.id);
}
};
/**
* Closes the underlying connection.
*
* @api private
*/
Client.prototype.close = function(){
if ('open' == this.conn.readyState) {
debug('forcing transport close');
this.conn.close();
this.onclose('forced server close');
}
};
/**
* Writes a packet to the transport.
*
* @param {Object} packet object
* @param {Object} opts
* @api private
*/
Client.prototype.packet = function(packet, opts){
opts = opts || {};
var self = this;
// this writes to the actual connection
function writeToEngine(encodedPackets) {
if (opts.volatile && !self.conn.transport.writable) return;
for (var i = 0; i < encodedPackets.length; i++) {
self.conn.write(encodedPackets[i], { compress: opts.compress });
}
}
if ('open' == this.conn.readyState) {
debug('writing packet %j', packet);
if (!opts.preEncoded) { // not broadcasting, need to encode
this.encoder.encode(packet, writeToEngine); // encode, then write results to engine
} else { // a broadcast pre-encodes a packet
writeToEngine(packet);
}
} else {
debug('ignoring packet write %j', packet);
}
};
/**
* Called with incoming transport data.
*
* @api private
*/
Client.prototype.ondata = function(data){
// try/catch is needed for protocol violations (GH-1880)
try {
this.decoder.add(data);
} catch(e) {
this.onerror(e);
}
};
/**
* Called when parser fully decodes a packet.
*
* @api private
*/
Client.prototype.ondecoded = function(packet) {
if (parser.CONNECT == packet.type) {
this.connect(url.parse(packet.nsp).pathname, url.parse(packet.nsp, true).query);
} else {
var socket = this.nsps[packet.nsp];
if (socket) {
process.nextTick(function() {
socket.onpacket(packet);
});
} else {
debug('no socket for namespace %s', packet.nsp);
}
}
};
/**
* Handles an error.
*
* @param {Object} err object
* @api private
*/
Client.prototype.onerror = function(err){
for (var id in this.sockets) {
if (this.sockets.hasOwnProperty(id)) {
this.sockets[id].onerror(err);
}
}
this.conn.close();
};
/**
* Called upon transport close.
*
* @param {String} reason
* @api private
*/
Client.prototype.onclose = function(reason){
debug('client close with reason %s', reason);
// ignore a potential subsequent `close` event
this.destroy();
// `nsps` and `sockets` are cleaned up seamlessly
for (var id in this.sockets) {
if (this.sockets.hasOwnProperty(id)) {
this.sockets[id].onclose(reason);
}
}
this.sockets = {};
this.decoder.destroy(); // clean up decoder
};
/**
* Cleans up event listeners.
*
* @api private
*/
Client.prototype.destroy = function(){
this.conn.removeListener('data', this.ondata);
this.conn.removeListener('error', this.onerror);
this.conn.removeListener('close', this.onclose);
this.decoder.removeListener('decoded', this.ondecoded);
};

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'use strict';
/**
* Module dependencies.
*/
var http = require('http');
var read = require('fs').readFileSync;
var path = require('path');
var exists = require('fs').existsSync;
var engine = require('engine.io');
var clientVersion = require('socket.io-client/package.json').version;
var Client = require('./client');
var Emitter = require('events').EventEmitter;
var Namespace = require('./namespace');
var ParentNamespace = require('./parent-namespace');
var Adapter = require('socket.io-adapter');
var parser = require('socket.io-parser');
var debug = require('debug')('socket.io:server');
var url = require('url');
/**
* Module exports.
*/
module.exports = Server;
/**
* Socket.IO client source.
*/
var clientSource = undefined;
var clientSourceMap = undefined;
/**
* Server constructor.
*
* @param {http.Server|Number|Object} srv http server, port or options
* @param {Object} [opts]
* @api public
*/
function Server(srv, opts){
if (!(this instanceof Server)) return new Server(srv, opts);
if ('object' == typeof srv && srv instanceof Object && !srv.listen) {
opts = srv;
srv = null;
}
opts = opts || {};
this.nsps = {};
this.parentNsps = new Map();
this.path(opts.path || '/socket.io');
this.serveClient(false !== opts.serveClient);
this.parser = opts.parser || parser;
this.encoder = new this.parser.Encoder();
this.adapter(opts.adapter || Adapter);
this.origins(opts.origins || '*:*');
this.sockets = this.of('/');
if (srv) this.attach(srv, opts);
}
/**
* Server request verification function, that checks for allowed origins
*
* @param {http.IncomingMessage} req request
* @param {Function} fn callback to be called with the result: `fn(err, success)`
*/
Server.prototype.checkRequest = function(req, fn) {
var origin = req.headers.origin || req.headers.referer;
// file:// URLs produce a null Origin which can't be authorized via echo-back
if ('null' == origin || null == origin) origin = '*';
if (!!origin && typeof(this._origins) == 'function') return this._origins(origin, fn);
if (this._origins.indexOf('*:*') !== -1) return fn(null, true);
if (origin) {
try {
var parts = url.parse(origin);
var defaultPort = 'https:' == parts.protocol ? 443 : 80;
parts.port = parts.port != null
? parts.port
: defaultPort;
var ok =
~this._origins.indexOf(parts.protocol + '//' + parts.hostname + ':' + parts.port) ||
~this._origins.indexOf(parts.hostname + ':' + parts.port) ||
~this._origins.indexOf(parts.hostname + ':*') ||
~this._origins.indexOf('*:' + parts.port);
debug('origin %s is %svalid', origin, !!ok ? '' : 'not ');
return fn(null, !!ok);
} catch (ex) {
}
}
fn(null, false);
};
/**
* Sets/gets whether client code is being served.
*
* @param {Boolean} v whether to serve client code
* @return {Server|Boolean} self when setting or value when getting
* @api public
*/
Server.prototype.serveClient = function(v){
if (!arguments.length) return this._serveClient;
this._serveClient = v;
var resolvePath = function(file){
var filepath = path.resolve(__dirname, './../../', file);
if (exists(filepath)) {
return filepath;
}
return require.resolve(file);
};
if (v && !clientSource) {
clientSource = read(resolvePath( 'socket.io-client/dist/socket.io.js'), 'utf-8');
try {
clientSourceMap = read(resolvePath( 'socket.io-client/dist/socket.io.js.map'), 'utf-8');
} catch(err) {
debug('could not load sourcemap file');
}
}
return this;
};
/**
* Old settings for backwards compatibility
*/
var oldSettings = {
"transports": "transports",
"heartbeat timeout": "pingTimeout",
"heartbeat interval": "pingInterval",
"destroy buffer size": "maxHttpBufferSize"
};
/**
* Backwards compatibility.
*
* @api public
*/
Server.prototype.set = function(key, val){
if ('authorization' == key && val) {
this.use(function(socket, next) {
val(socket.request, function(err, authorized) {
if (err) return next(new Error(err));
if (!authorized) return next(new Error('Not authorized'));
next();
});
});
} else if ('origins' == key && val) {
this.origins(val);
} else if ('resource' == key) {
this.path(val);
} else if (oldSettings[key] && this.eio[oldSettings[key]]) {
this.eio[oldSettings[key]] = val;
} else {
console.error('Option %s is not valid. Please refer to the README.', key);
}
return this;
};
/**
* Executes the middleware for an incoming namespace not already created on the server.
*
* @param {String} name name of incoming namespace
* @param {Object} query the query parameters
* @param {Function} fn callback
* @api private
*/
Server.prototype.checkNamespace = function(name, query, fn){
if (this.parentNsps.size === 0) return fn(false);
const keysIterator = this.parentNsps.keys();
const run = () => {
let nextFn = keysIterator.next();
if (nextFn.done) {
return fn(false);
}
nextFn.value(name, query, (err, allow) => {
if (err || !allow) {
run();
} else {
fn(this.parentNsps.get(nextFn.value).createChild(name));
}
});
};
run();
};
/**
* Sets the client serving path.
*
* @param {String} v pathname
* @return {Server|String} self when setting or value when getting
* @api public
*/
Server.prototype.path = function(v){
if (!arguments.length) return this._path;
this._path = v.replace(/\/$/, '');
return this;
};
/**
* Sets the adapter for rooms.
*
* @param {Adapter} v pathname
* @return {Server|Adapter} self when setting or value when getting
* @api public
*/
Server.prototype.adapter = function(v){
if (!arguments.length) return this._adapter;
this._adapter = v;
for (var i in this.nsps) {
if (this.nsps.hasOwnProperty(i)) {
this.nsps[i].initAdapter();
}
}
return this;
};
/**
* Sets the allowed origins for requests.
*
* @param {String|String[]} v origins
* @return {Server|Adapter} self when setting or value when getting
* @api public
*/
Server.prototype.origins = function(v){
if (!arguments.length) return this._origins;
this._origins = v;
return this;
};
/**
* Attaches socket.io to a server or port.
*
* @param {http.Server|Number} server or port
* @param {Object} options passed to engine.io
* @return {Server} self
* @api public
*/
Server.prototype.listen =
Server.prototype.attach = function(srv, opts){
if ('function' == typeof srv) {
var msg = 'You are trying to attach socket.io to an express ' +
'request handler function. Please pass a http.Server instance.';
throw new Error(msg);
}
// handle a port as a string
if (Number(srv) == srv) {
srv = Number(srv);
}
if ('number' == typeof srv) {
debug('creating http server and binding to %d', srv);
var port = srv;
srv = http.Server(function(req, res){
res.writeHead(404);
res.end();
});
srv.listen(port);
}
// set engine.io path to `/socket.io`
opts = opts || {};
opts.path = opts.path || this.path();
// set origins verification
opts.allowRequest = opts.allowRequest || this.checkRequest.bind(this);
if (this.sockets.fns.length > 0) {
this.initEngine(srv, opts);
return this;
}
var self = this;
var connectPacket = { type: parser.CONNECT, nsp: '/' };
this.encoder.encode(connectPacket, function (encodedPacket){
// the CONNECT packet will be merged with Engine.IO handshake,
// to reduce the number of round trips
opts.initialPacket = encodedPacket;
self.initEngine(srv, opts);
});
return this;
};
/**
* Initialize engine
*
* @param {Object} options passed to engine.io
* @api private
*/
Server.prototype.initEngine = function(srv, opts){
// initialize engine
debug('creating engine.io instance with opts %j', opts);
this.eio = engine.attach(srv, opts);
// attach static file serving
if (this._serveClient) this.attachServe(srv);
// Export http server
this.httpServer = srv;
// bind to engine events
this.bind(this.eio);
};
/**
* Attaches the static file serving.
*
* @param {Function|http.Server} srv http server
* @api private
*/
Server.prototype.attachServe = function(srv){
debug('attaching client serving req handler');
var url = this._path + '/socket.io.js';
var urlMap = this._path + '/socket.io.js.map';
var evs = srv.listeners('request').slice(0);
var self = this;
srv.removeAllListeners('request');
srv.on('request', function(req, res) {
if (0 === req.url.indexOf(urlMap)) {
self.serveMap(req, res);
} else if (0 === req.url.indexOf(url)) {
self.serve(req, res);
} else {
for (var i = 0; i < evs.length; i++) {
evs[i].call(srv, req, res);
}
}
});
};
/**
* Handles a request serving `/socket.io.js`
*
* @param {http.Request} req
* @param {http.Response} res
* @api private
*/
Server.prototype.serve = function(req, res){
// Per the standard, ETags must be quoted:
// https://tools.ietf.org/html/rfc7232#section-2.3
var expectedEtag = '"' + clientVersion + '"';
var etag = req.headers['if-none-match'];
if (etag) {
if (expectedEtag == etag) {
debug('serve client 304');
res.writeHead(304);
res.end();
return;
}
}
debug('serve client source');
res.setHeader("Cache-Control", "public, max-age=0");
res.setHeader('Content-Type', 'application/javascript');
res.setHeader('ETag', expectedEtag);
res.writeHead(200);
res.end(clientSource);
};
/**
* Handles a request serving `/socket.io.js.map`
*
* @param {http.Request} req
* @param {http.Response} res
* @api private
*/
Server.prototype.serveMap = function(req, res){
// Per the standard, ETags must be quoted:
// https://tools.ietf.org/html/rfc7232#section-2.3
var expectedEtag = '"' + clientVersion + '"';
var etag = req.headers['if-none-match'];
if (etag) {
if (expectedEtag == etag) {
debug('serve client 304');
res.writeHead(304);
res.end();
return;
}
}
debug('serve client sourcemap');
res.setHeader('Content-Type', 'application/json');
res.setHeader('ETag', expectedEtag);
res.writeHead(200);
res.end(clientSourceMap);
};
/**
* Binds socket.io to an engine.io instance.
*
* @param {engine.Server} engine engine.io (or compatible) server
* @return {Server} self
* @api public
*/
Server.prototype.bind = function(engine){
this.engine = engine;
this.engine.on('connection', this.onconnection.bind(this));
return this;
};
/**
* Called with each incoming transport connection.
*
* @param {engine.Socket} conn
* @return {Server} self
* @api public
*/
Server.prototype.onconnection = function(conn){
debug('incoming connection with id %s', conn.id);
var client = new Client(this, conn);
client.connect('/');
return this;
};
/**
* Looks up a namespace.
*
* @param {String|RegExp|Function} name nsp name
* @param {Function} [fn] optional, nsp `connection` ev handler
* @api public
*/
Server.prototype.of = function(name, fn){
if (typeof name === 'function' || name instanceof RegExp) {
const parentNsp = new ParentNamespace(this);
debug('initializing parent namespace %s', parentNsp.name);
if (typeof name === 'function') {
this.parentNsps.set(name, parentNsp);
} else {
this.parentNsps.set((nsp, conn, next) => next(null, name.test(nsp)), parentNsp);
}
if (fn) parentNsp.on('connect', fn);
return parentNsp;
}
if (String(name)[0] !== '/') name = '/' + name;
var nsp = this.nsps[name];
if (!nsp) {
debug('initializing namespace %s', name);
nsp = new Namespace(this, name);
this.nsps[name] = nsp;
}
if (fn) nsp.on('connect', fn);
return nsp;
};
/**
* Closes server connection
*
* @param {Function} [fn] optional, called as `fn([err])` on error OR all conns closed
* @api public
*/
Server.prototype.close = function(fn){
for (var id in this.nsps['/'].sockets) {
if (this.nsps['/'].sockets.hasOwnProperty(id)) {
this.nsps['/'].sockets[id].onclose();
}
}
this.engine.close();
if (this.httpServer) {
this.httpServer.close(fn);
} else {
fn && fn();
}
};
/**
* Expose main namespace (/).
*/
var emitterMethods = Object.keys(Emitter.prototype).filter(function(key){
return typeof Emitter.prototype[key] === 'function';
});
emitterMethods.concat(['to', 'in', 'use', 'send', 'write', 'clients', 'compress', 'binary']).forEach(function(fn){
Server.prototype[fn] = function(){
return this.sockets[fn].apply(this.sockets, arguments);
};
});
Namespace.flags.forEach(function(flag){
Object.defineProperty(Server.prototype, flag, {
get: function() {
this.sockets.flags = this.sockets.flags || {};
this.sockets.flags[flag] = true;
return this;
}
});
});
/**
* BC with `io.listen`
*/
Server.listen = Server;

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@@ -0,0 +1,299 @@
/**
* Module dependencies.
*/
var Socket = require('./socket');
var Emitter = require('events').EventEmitter;
var parser = require('socket.io-parser');
var hasBin = require('has-binary2');
var debug = require('debug')('socket.io:namespace');
/**
* Module exports.
*/
module.exports = exports = Namespace;
/**
* Blacklisted events.
*/
exports.events = [
'connect', // for symmetry with client
'connection',
'newListener'
];
/**
* Flags.
*/
exports.flags = [
'json',
'volatile',
'local'
];
/**
* `EventEmitter#emit` reference.
*/
var emit = Emitter.prototype.emit;
/**
* Namespace constructor.
*
* @param {Server} server instance
* @param {Socket} name
* @api private
*/
function Namespace(server, name){
this.name = name;
this.server = server;
this.sockets = {};
this.connected = {};
this.fns = [];
this.ids = 0;
this.rooms = [];
this.flags = {};
this.initAdapter();
}
/**
* Inherits from `EventEmitter`.
*/
Namespace.prototype.__proto__ = Emitter.prototype;
/**
* Apply flags from `Socket`.
*/
exports.flags.forEach(function(flag){
Object.defineProperty(Namespace.prototype, flag, {
get: function() {
this.flags[flag] = true;
return this;
}
});
});
/**
* Initializes the `Adapter` for this nsp.
* Run upon changing adapter by `Server#adapter`
* in addition to the constructor.
*
* @api private
*/
Namespace.prototype.initAdapter = function(){
this.adapter = new (this.server.adapter())(this);
};
/**
* Sets up namespace middleware.
*
* @return {Namespace} self
* @api public
*/
Namespace.prototype.use = function(fn){
if (this.server.eio && this.name === '/') {
debug('removing initial packet');
delete this.server.eio.initialPacket;
}
this.fns.push(fn);
return this;
};
/**
* Executes the middleware for an incoming client.
*
* @param {Socket} socket that will get added
* @param {Function} fn last fn call in the middleware
* @api private
*/
Namespace.prototype.run = function(socket, fn){
var fns = this.fns.slice(0);
if (!fns.length) return fn(null);
function run(i){
fns[i](socket, function(err){
// upon error, short-circuit
if (err) return fn(err);
// if no middleware left, summon callback
if (!fns[i + 1]) return fn(null);
// go on to next
run(i + 1);
});
}
run(0);
};
/**
* Targets a room when emitting.
*
* @param {String} name
* @return {Namespace} self
* @api public
*/
Namespace.prototype.to =
Namespace.prototype.in = function(name){
if (!~this.rooms.indexOf(name)) this.rooms.push(name);
return this;
};
/**
* Adds a new client.
*
* @return {Socket}
* @api private
*/
Namespace.prototype.add = function(client, query, fn){
debug('adding socket to nsp %s', this.name);
var socket = new Socket(this, client, query);
var self = this;
this.run(socket, function(err){
process.nextTick(function(){
if ('open' == client.conn.readyState) {
if (err) return socket.error(err.data || err.message);
// track socket
self.sockets[socket.id] = socket;
// it's paramount that the internal `onconnect` logic
// fires before user-set events to prevent state order
// violations (such as a disconnection before the connection
// logic is complete)
socket.onconnect();
if (fn) fn();
// fire user-set events
self.emit('connect', socket);
self.emit('connection', socket);
} else {
debug('next called after client was closed - ignoring socket');
}
});
});
return socket;
};
/**
* Removes a client. Called by each `Socket`.
*
* @api private
*/
Namespace.prototype.remove = function(socket){
if (this.sockets.hasOwnProperty(socket.id)) {
delete this.sockets[socket.id];
} else {
debug('ignoring remove for %s', socket.id);
}
};
/**
* Emits to all clients.
*
* @return {Namespace} self
* @api public
*/
Namespace.prototype.emit = function(ev){
if (~exports.events.indexOf(ev)) {
emit.apply(this, arguments);
return this;
}
// set up packet object
var args = Array.prototype.slice.call(arguments);
var packet = {
type: (this.flags.binary !== undefined ? this.flags.binary : hasBin(args)) ? parser.BINARY_EVENT : parser.EVENT,
data: args
};
if ('function' == typeof args[args.length - 1]) {
throw new Error('Callbacks are not supported when broadcasting');
}
var rooms = this.rooms.slice(0);
var flags = Object.assign({}, this.flags);
// reset flags
this.rooms = [];
this.flags = {};
this.adapter.broadcast(packet, {
rooms: rooms,
flags: flags
});
return this;
};
/**
* Sends a `message` event to all clients.
*
* @return {Namespace} self
* @api public
*/
Namespace.prototype.send =
Namespace.prototype.write = function(){
var args = Array.prototype.slice.call(arguments);
args.unshift('message');
this.emit.apply(this, args);
return this;
};
/**
* Gets a list of clients.
*
* @return {Namespace} self
* @api public
*/
Namespace.prototype.clients = function(fn){
if(!this.adapter){
throw new Error('No adapter for this namespace, are you trying to get the list of clients of a dynamic namespace?')
}
this.adapter.clients(this.rooms, fn);
// reset rooms for scenario:
// .in('room').clients() (GH-1978)
this.rooms = [];
return this;
};
/**
* Sets the compress flag.
*
* @param {Boolean} compress if `true`, compresses the sending data
* @return {Socket} self
* @api public
*/
Namespace.prototype.compress = function(compress){
this.flags.compress = compress;
return this;
};
/**
* Sets the binary flag
*
* @param {Boolean} Encode as if it has binary data if `true`, Encode as if it doesnt have binary data if `false`
* @return {Socket} self
* @api public
*/
Namespace.prototype.binary = function (binary) {
this.flags.binary = binary;
return this;
};

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@@ -0,0 +1,39 @@
'use strict';
const Namespace = require('./namespace');
let count = 0;
class ParentNamespace extends Namespace {
constructor(server) {
super(server, '/_' + (count++));
this.children = new Set();
}
initAdapter() {}
emit() {
const args = Array.prototype.slice.call(arguments);
this.children.forEach(nsp => {
nsp.rooms = this.rooms;
nsp.flags = this.flags;
nsp.emit.apply(nsp, args);
});
this.rooms = [];
this.flags = {};
}
createChild(name) {
const namespace = new Namespace(this.server, name);
namespace.fns = this.fns.slice(0);
this.listeners('connect').forEach(listener => namespace.on('connect', listener));
this.listeners('connection').forEach(listener => namespace.on('connection', listener));
this.children.add(namespace);
this.server.nsps[name] = namespace;
return namespace;
}
}
module.exports = ParentNamespace;

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/**
* Module dependencies.
*/
var Emitter = require('events').EventEmitter;
var parser = require('socket.io-parser');
var hasBin = require('has-binary2');
var url = require('url');
var debug = require('debug')('socket.io:socket');
/**
* Module exports.
*/
module.exports = exports = Socket;
/**
* Blacklisted events.
*
* @api public
*/
exports.events = [
'error',
'connect',
'disconnect',
'disconnecting',
'newListener',
'removeListener'
];
/**
* Flags.
*
* @api private
*/
var flags = [
'json',
'volatile',
'broadcast',
'local'
];
/**
* `EventEmitter#emit` reference.
*/
var emit = Emitter.prototype.emit;
/**
* Interface to a `Client` for a given `Namespace`.
*
* @param {Namespace} nsp
* @param {Client} client
* @api public
*/
function Socket(nsp, client, query){
this.nsp = nsp;
this.server = nsp.server;
this.adapter = this.nsp.adapter;
this.id = nsp.name !== '/' ? nsp.name + '#' + client.id : client.id;
this.client = client;
this.conn = client.conn;
this.rooms = {};
this.acks = {};
this.connected = true;
this.disconnected = false;
this.handshake = this.buildHandshake(query);
this.fns = [];
this.flags = {};
this._rooms = [];
}
/**
* Inherits from `EventEmitter`.
*/
Socket.prototype.__proto__ = Emitter.prototype;
/**
* Apply flags from `Socket`.
*/
flags.forEach(function(flag){
Object.defineProperty(Socket.prototype, flag, {
get: function() {
this.flags[flag] = true;
return this;
}
});
});
/**
* `request` engine.io shortcut.
*
* @api public
*/
Object.defineProperty(Socket.prototype, 'request', {
get: function() {
return this.conn.request;
}
});
/**
* Builds the `handshake` BC object
*
* @api private
*/
Socket.prototype.buildHandshake = function(query){
var self = this;
function buildQuery(){
var requestQuery = url.parse(self.request.url, true).query;
//if socket-specific query exist, replace query strings in requestQuery
return Object.assign({}, query, requestQuery);
}
return {
headers: this.request.headers,
time: (new Date) + '',
address: this.conn.remoteAddress,
xdomain: !!this.request.headers.origin,
secure: !!this.request.connection.encrypted,
issued: +(new Date),
url: this.request.url,
query: buildQuery()
};
};
/**
* Emits to this client.
*
* @return {Socket} self
* @api public
*/
Socket.prototype.emit = function(ev){
if (~exports.events.indexOf(ev)) {
emit.apply(this, arguments);
return this;
}
var args = Array.prototype.slice.call(arguments);
var packet = {
type: (this.flags.binary !== undefined ? this.flags.binary : hasBin(args)) ? parser.BINARY_EVENT : parser.EVENT,
data: args
};
// access last argument to see if it's an ACK callback
if (typeof args[args.length - 1] === 'function') {
if (this._rooms.length || this.flags.broadcast) {
throw new Error('Callbacks are not supported when broadcasting');
}
debug('emitting packet with ack id %d', this.nsp.ids);
this.acks[this.nsp.ids] = args.pop();
packet.id = this.nsp.ids++;
}
var rooms = this._rooms.slice(0);
var flags = Object.assign({}, this.flags);
// reset flags
this._rooms = [];
this.flags = {};
if (rooms.length || flags.broadcast) {
this.adapter.broadcast(packet, {
except: [this.id],
rooms: rooms,
flags: flags
});
} else {
// dispatch packet
this.packet(packet, flags);
}
return this;
};
/**
* Targets a room when broadcasting.
*
* @param {String} name
* @return {Socket} self
* @api public
*/
Socket.prototype.to =
Socket.prototype.in = function(name){
if (!~this._rooms.indexOf(name)) this._rooms.push(name);
return this;
};
/**
* Sends a `message` event.
*
* @return {Socket} self
* @api public
*/
Socket.prototype.send =
Socket.prototype.write = function(){
var args = Array.prototype.slice.call(arguments);
args.unshift('message');
this.emit.apply(this, args);
return this;
};
/**
* Writes a packet.
*
* @param {Object} packet object
* @param {Object} opts options
* @api private
*/
Socket.prototype.packet = function(packet, opts){
packet.nsp = this.nsp.name;
opts = opts || {};
opts.compress = false !== opts.compress;
this.client.packet(packet, opts);
};
/**
* Joins a room.
*
* @param {String|Array} room or array of rooms
* @param {Function} fn optional, callback
* @return {Socket} self
* @api private
*/
Socket.prototype.join = function(rooms, fn){
debug('joining room %s', rooms);
var self = this;
if (!Array.isArray(rooms)) {
rooms = [rooms];
}
rooms = rooms.filter(function (room) {
return !self.rooms.hasOwnProperty(room);
});
if (!rooms.length) {
fn && fn(null);
return this;
}
this.adapter.addAll(this.id, rooms, function(err){
if (err) return fn && fn(err);
debug('joined room %s', rooms);
rooms.forEach(function (room) {
self.rooms[room] = room;
});
fn && fn(null);
});
return this;
};
/**
* Leaves a room.
*
* @param {String} room
* @param {Function} fn optional, callback
* @return {Socket} self
* @api private
*/
Socket.prototype.leave = function(room, fn){
debug('leave room %s', room);
var self = this;
this.adapter.del(this.id, room, function(err){
if (err) return fn && fn(err);
debug('left room %s', room);
delete self.rooms[room];
fn && fn(null);
});
return this;
};
/**
* Leave all rooms.
*
* @api private
*/
Socket.prototype.leaveAll = function(){
this.adapter.delAll(this.id);
this.rooms = {};
};
/**
* Called by `Namespace` upon successful
* middleware execution (ie: authorization).
* Socket is added to namespace array before
* call to join, so adapters can access it.
*
* @api private
*/
Socket.prototype.onconnect = function(){
debug('socket connected - writing packet');
this.nsp.connected[this.id] = this;
this.join(this.id);
var skip = this.nsp.name === '/' && this.nsp.fns.length === 0;
if (skip) {
debug('packet already sent in initial handshake');
} else {
this.packet({ type: parser.CONNECT });
}
};
/**
* Called with each packet. Called by `Client`.
*
* @param {Object} packet
* @api private
*/
Socket.prototype.onpacket = function(packet){
debug('got packet %j', packet);
switch (packet.type) {
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.onerror(new Error(packet.data));
}
};
/**
* Called upon event packet.
*
* @param {Object} packet object
* @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));
}
this.dispatch(args);
};
/**
* Produces an ack callback to emit with an event.
*
* @param {Number} id packet id
* @api private
*/
Socket.prototype.ack = function(id){
var self = this;
var sent = false;
return function(){
// prevent double callbacks
if (sent) return;
var args = Array.prototype.slice.call(arguments);
debug('sending ack %j', args);
self.packet({
id: id,
type: hasBin(args) ? parser.BINARY_ACK : parser.ACK,
data: args
});
sent = true;
};
};
/**
* Called upon ack 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 client disconnect packet.
*
* @api private
*/
Socket.prototype.ondisconnect = function(){
debug('got disconnect packet');
this.onclose('client namespace disconnect');
};
/**
* Handles a client error.
*
* @api private
*/
Socket.prototype.onerror = function(err){
if (this.listeners('error').length) {
this.emit('error', err);
} else {
console.error('Missing error handler on `socket`.');
console.error(err.stack);
}
};
/**
* Called upon closing. Called by `Client`.
*
* @param {String} reason
* @throw {Error} optional error object
* @api private
*/
Socket.prototype.onclose = function(reason){
if (!this.connected) return this;
debug('closing socket - reason %s', reason);
this.emit('disconnecting', reason);
this.leaveAll();
this.nsp.remove(this);
this.client.remove(this);
this.connected = false;
this.disconnected = true;
delete this.nsp.connected[this.id];
this.emit('disconnect', reason);
};
/**
* Produces an `error` packet.
*
* @param {Object} err error object
* @api private
*/
Socket.prototype.error = function(err){
this.packet({ type: parser.ERROR, data: err });
};
/**
* Disconnects this client.
*
* @param {Boolean} close if `true`, closes the underlying connection
* @return {Socket} self
* @api public
*/
Socket.prototype.disconnect = function(close){
if (!this.connected) return this;
if (close) {
this.client.disconnect();
} else {
this.packet({ type: parser.DISCONNECT });
this.onclose('server namespace disconnect');
}
return this;
};
/**
* Sets the compress flag.
*
* @param {Boolean} compress 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} Encode as if it has binary data if `true`, Encode as if it doesnt have binary data if `false`
* @return {Socket} self
* @api public
*/
Socket.prototype.binary = function (binary) {
this.flags.binary = binary;
return this;
};
/**
* Dispatch incoming event to socket listeners.
*
* @param {Array} event that will get emitted
* @api private
*/
Socket.prototype.dispatch = function(event){
debug('dispatching an event %j', event);
var self = this;
function dispatchSocket(err) {
process.nextTick(function(){
if (err) {
return self.error(err.data || err.message);
}
emit.apply(self, event);
});
}
this.run(event, dispatchSocket);
};
/**
* Sets up socket middleware.
*
* @param {Function} middleware function (event, next)
* @return {Socket} self
* @api public
*/
Socket.prototype.use = function(fn){
this.fns.push(fn);
return this;
};
/**
* Executes the middleware for an incoming event.
*
* @param {Array} event that will get emitted
* @param {Function} last fn call in the middleware
* @api private
*/
Socket.prototype.run = function(event, fn){
var fns = this.fns.slice(0);
if (!fns.length) return fn(null);
function run(i){
fns[i](event, function(err){
// upon error, short-circuit
if (err) return fn(err);
// if no middleware left, summon callback
if (!fns[i + 1]) return fn(null);
// go on to next
run(i + 1);
});
}
run(0);
};

View File

@@ -0,0 +1,395 @@
3.1.0 / 2017-09-26
==================
* Add `DEBUG_HIDE_DATE` env var (#486)
* Remove ReDoS regexp in %o formatter (#504)
* Remove "component" from package.json
* Remove `component.json`
* Ignore package-lock.json
* Examples: fix colors printout
* Fix: browser detection
* Fix: spelling mistake (#496, @EdwardBetts)
3.0.1 / 2017-08-24
==================
* Fix: Disable colors in Edge and Internet Explorer (#489)
3.0.0 / 2017-08-08
==================
* Breaking: Remove DEBUG_FD (#406)
* Breaking: Use `Date#toISOString()` instead to `Date#toUTCString()` when output is not a TTY (#418)
* Breaking: Make millisecond timer namespace specific and allow 'always enabled' output (#408)
* Addition: document `enabled` flag (#465)
* Addition: add 256 colors mode (#481)
* Addition: `enabled()` updates existing debug instances, add `destroy()` function (#440)
* Update: component: update "ms" to v2.0.0
* Update: separate the Node and Browser tests in Travis-CI
* Update: refactor Readme, fixed documentation, added "Namespace Colors" section, redid screenshots
* Update: separate Node.js and web browser examples for organization
* Update: update "browserify" to v14.4.0
* Fix: fix Readme typo (#473)
2.6.9 / 2017-09-22
==================
* remove ReDoS regexp in %o formatter (#504)
2.6.8 / 2017-05-18
==================
* Fix: Check for undefined on browser globals (#462, @marbemac)
2.6.7 / 2017-05-16
==================
* Fix: Update ms to 2.0.0 to fix regular expression denial of service vulnerability (#458, @hubdotcom)
* Fix: Inline extend function in node implementation (#452, @dougwilson)
* Docs: Fix typo (#455, @msasad)
2.6.5 / 2017-04-27
==================
* Fix: null reference check on window.documentElement.style.WebkitAppearance (#447, @thebigredgeek)
* Misc: clean up browser reference checks (#447, @thebigredgeek)
* Misc: add npm-debug.log to .gitignore (@thebigredgeek)
2.6.4 / 2017-04-20
==================
* Fix: bug that would occur if process.env.DEBUG is a non-string value. (#444, @LucianBuzzo)
* Chore: ignore bower.json in npm installations. (#437, @joaovieira)
* Misc: update "ms" to v0.7.3 (@tootallnate)
2.6.3 / 2017-03-13
==================
* Fix: Electron reference to `process.env.DEBUG` (#431, @paulcbetts)
* Docs: Changelog fix (@thebigredgeek)
2.6.2 / 2017-03-10
==================
* Fix: DEBUG_MAX_ARRAY_LENGTH (#420, @slavaGanzin)
* Docs: Add backers and sponsors from Open Collective (#422, @piamancini)
* Docs: Add Slackin invite badge (@tootallnate)
2.6.1 / 2017-02-10
==================
* Fix: Module's `export default` syntax fix for IE8 `Expected identifier` error
* Fix: Whitelist DEBUG_FD for values 1 and 2 only (#415, @pi0)
* Fix: IE8 "Expected identifier" error (#414, @vgoma)
* Fix: Namespaces would not disable once enabled (#409, @musikov)
2.6.0 / 2016-12-28
==================
* Fix: added better null pointer checks for browser useColors (@thebigredgeek)
* Improvement: removed explicit `window.debug` export (#404, @tootallnate)
* Improvement: deprecated `DEBUG_FD` environment variable (#405, @tootallnate)
2.5.2 / 2016-12-25
==================
* Fix: reference error on window within webworkers (#393, @KlausTrainer)
* Docs: fixed README typo (#391, @lurch)
* Docs: added notice about v3 api discussion (@thebigredgeek)
2.5.1 / 2016-12-20
==================
* Fix: babel-core compatibility
2.5.0 / 2016-12-20
==================
* Fix: wrong reference in bower file (@thebigredgeek)
* Fix: webworker compatibility (@thebigredgeek)
* Fix: output formatting issue (#388, @kribblo)
* Fix: babel-loader compatibility (#383, @escwald)
* Misc: removed built asset from repo and publications (@thebigredgeek)
* Misc: moved source files to /src (#378, @yamikuronue)
* Test: added karma integration and replaced babel with browserify for browser tests (#378, @yamikuronue)
* Test: coveralls integration (#378, @yamikuronue)
* Docs: simplified language in the opening paragraph (#373, @yamikuronue)
2.4.5 / 2016-12-17
==================
* Fix: `navigator` undefined in Rhino (#376, @jochenberger)
* Fix: custom log function (#379, @hsiliev)
* Improvement: bit of cleanup + linting fixes (@thebigredgeek)
* Improvement: rm non-maintainted `dist/` dir (#375, @freewil)
* Docs: simplified language in the opening paragraph. (#373, @yamikuronue)
2.4.4 / 2016-12-14
==================
* Fix: work around debug being loaded in preload scripts for electron (#368, @paulcbetts)
2.4.3 / 2016-12-14
==================
* Fix: navigation.userAgent error for react native (#364, @escwald)
2.4.2 / 2016-12-14
==================
* Fix: browser colors (#367, @tootallnate)
* Misc: travis ci integration (@thebigredgeek)
* Misc: added linting and testing boilerplate with sanity check (@thebigredgeek)
2.4.1 / 2016-12-13
==================
* Fix: typo that broke the package (#356)
2.4.0 / 2016-12-13
==================
* Fix: bower.json references unbuilt src entry point (#342, @justmatt)
* Fix: revert "handle regex special characters" (@tootallnate)
* Feature: configurable util.inspect()`options for NodeJS (#327, @tootallnate)
* Feature: %O`(big O) pretty-prints objects (#322, @tootallnate)
* Improvement: allow colors in workers (#335, @botverse)
* Improvement: use same color for same namespace. (#338, @lchenay)
2.3.3 / 2016-11-09
==================
* Fix: Catch `JSON.stringify()` errors (#195, Jovan Alleyne)
* Fix: Returning `localStorage` saved values (#331, Levi Thomason)
* Improvement: Don't create an empty object when no `process` (Nathan Rajlich)
2.3.2 / 2016-11-09
==================
* Fix: be super-safe in index.js as well (@TooTallNate)
* Fix: should check whether process exists (Tom Newby)
2.3.1 / 2016-11-09
==================
* Fix: Added electron compatibility (#324, @paulcbetts)
* Improvement: Added performance optimizations (@tootallnate)
* Readme: Corrected PowerShell environment variable example (#252, @gimre)
* Misc: Removed yarn lock file from source control (#321, @fengmk2)
2.3.0 / 2016-11-07
==================
* Fix: Consistent placement of ms diff at end of output (#215, @gorangajic)
* Fix: Escaping of regex special characters in namespace strings (#250, @zacronos)
* Fix: Fixed bug causing crash on react-native (#282, @vkarpov15)
* Feature: Enabled ES6+ compatible import via default export (#212 @bucaran)
* Feature: Added %O formatter to reflect Chrome's console.log capability (#279, @oncletom)
* Package: Update "ms" to 0.7.2 (#315, @DevSide)
* Package: removed superfluous version property from bower.json (#207 @kkirsche)
* Readme: fix USE_COLORS to DEBUG_COLORS
* Readme: Doc fixes for format string sugar (#269, @mlucool)
* Readme: Updated docs for DEBUG_FD and DEBUG_COLORS environment variables (#232, @mattlyons0)
* Readme: doc fixes for PowerShell (#271 #243, @exoticknight @unreadable)
* Readme: better docs for browser support (#224, @matthewmueller)
* Tooling: Added yarn integration for development (#317, @thebigredgeek)
* Misc: Renamed History.md to CHANGELOG.md (@thebigredgeek)
* Misc: Added license file (#226 #274, @CantemoInternal @sdaitzman)
* Misc: Updated contributors (@thebigredgeek)
2.2.0 / 2015-05-09
==================
* package: update "ms" to v0.7.1 (#202, @dougwilson)
* README: add logging to file example (#193, @DanielOchoa)
* README: fixed a typo (#191, @amir-s)
* browser: expose `storage` (#190, @stephenmathieson)
* Makefile: add a `distclean` target (#189, @stephenmathieson)
2.1.3 / 2015-03-13
==================
* Updated stdout/stderr example (#186)
* Updated example/stdout.js to match debug current behaviour
* Renamed example/stderr.js to stdout.js
* Update Readme.md (#184)
* replace high intensity foreground color for bold (#182, #183)
2.1.2 / 2015-03-01
==================
* dist: recompile
* update "ms" to v0.7.0
* package: update "browserify" to v9.0.3
* component: fix "ms.js" repo location
* changed bower package name
* updated documentation about using debug in a browser
* fix: security error on safari (#167, #168, @yields)
2.1.1 / 2014-12-29
==================
* browser: use `typeof` to check for `console` existence
* browser: check for `console.log` truthiness (fix IE 8/9)
* browser: add support for Chrome apps
* Readme: added Windows usage remarks
* Add `bower.json` to properly support bower install
2.1.0 / 2014-10-15
==================
* node: implement `DEBUG_FD` env variable support
* package: update "browserify" to v6.1.0
* package: add "license" field to package.json (#135, @panuhorsmalahti)
2.0.0 / 2014-09-01
==================
* package: update "browserify" to v5.11.0
* node: use stderr rather than stdout for logging (#29, @stephenmathieson)
1.0.4 / 2014-07-15
==================
* dist: recompile
* example: remove `console.info()` log usage
* example: add "Content-Type" UTF-8 header to browser example
* browser: place %c marker after the space character
* browser: reset the "content" color via `color: inherit`
* browser: add colors support for Firefox >= v31
* debug: prefer an instance `log()` function over the global one (#119)
* Readme: update documentation about styled console logs for FF v31 (#116, @wryk)
1.0.3 / 2014-07-09
==================
* Add support for multiple wildcards in namespaces (#122, @seegno)
* browser: fix lint
1.0.2 / 2014-06-10
==================
* browser: update color palette (#113, @gscottolson)
* common: make console logging function configurable (#108, @timoxley)
* node: fix %o colors on old node <= 0.8.x
* Makefile: find node path using shell/which (#109, @timoxley)
1.0.1 / 2014-06-06
==================
* browser: use `removeItem()` to clear localStorage
* browser, node: don't set DEBUG if namespaces is undefined (#107, @leedm777)
* package: add "contributors" section
* node: fix comment typo
* README: list authors
1.0.0 / 2014-06-04
==================
* make ms diff be global, not be scope
* debug: ignore empty strings in enable()
* node: make DEBUG_COLORS able to disable coloring
* *: export the `colors` array
* npmignore: don't publish the `dist` dir
* Makefile: refactor to use browserify
* package: add "browserify" as a dev dependency
* Readme: add Web Inspector Colors section
* node: reset terminal color for the debug content
* node: map "%o" to `util.inspect()`
* browser: map "%j" to `JSON.stringify()`
* debug: add custom "formatters"
* debug: use "ms" module for humanizing the diff
* Readme: add "bash" syntax highlighting
* browser: add Firebug color support
* browser: add colors for WebKit browsers
* node: apply log to `console`
* rewrite: abstract common logic for Node & browsers
* add .jshintrc file
0.8.1 / 2014-04-14
==================
* package: re-add the "component" section
0.8.0 / 2014-03-30
==================
* add `enable()` method for nodejs. Closes #27
* change from stderr to stdout
* remove unnecessary index.js file
0.7.4 / 2013-11-13
==================
* remove "browserify" key from package.json (fixes something in browserify)
0.7.3 / 2013-10-30
==================
* fix: catch localStorage security error when cookies are blocked (Chrome)
* add debug(err) support. Closes #46
* add .browser prop to package.json. Closes #42
0.7.2 / 2013-02-06
==================
* fix package.json
* fix: Mobile Safari (private mode) is broken with debug
* fix: Use unicode to send escape character to shell instead of octal to work with strict mode javascript
0.7.1 / 2013-02-05
==================
* add repository URL to package.json
* add DEBUG_COLORED to force colored output
* add browserify support
* fix component. Closes #24
0.7.0 / 2012-05-04
==================
* Added .component to package.json
* Added debug.component.js build
0.6.0 / 2012-03-16
==================
* Added support for "-" prefix in DEBUG [Vinay Pulim]
* Added `.enabled` flag to the node version [TooTallNate]
0.5.0 / 2012-02-02
==================
* Added: humanize diffs. Closes #8
* Added `debug.disable()` to the CS variant
* Removed padding. Closes #10
* Fixed: persist client-side variant again. Closes #9
0.4.0 / 2012-02-01
==================
* Added browser variant support for older browsers [TooTallNate]
* Added `debug.enable('project:*')` to browser variant [TooTallNate]
* Added padding to diff (moved it to the right)
0.3.0 / 2012-01-26
==================
* Added millisecond diff when isatty, otherwise UTC string
0.2.0 / 2012-01-22
==================
* Added wildcard support
0.1.0 / 2011-12-02
==================
* Added: remove colors unless stderr isatty [TooTallNate]
0.0.1 / 2010-01-03
==================
* Initial release

View File

@@ -0,0 +1,19 @@
(The MIT License)
Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the 'Software'), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

View File

@@ -0,0 +1,455 @@
# debug
[![Build Status](https://travis-ci.org/visionmedia/debug.svg?branch=master)](https://travis-ci.org/visionmedia/debug) [![Coverage Status](https://coveralls.io/repos/github/visionmedia/debug/badge.svg?branch=master)](https://coveralls.io/github/visionmedia/debug?branch=master) [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers)
[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
A tiny JavaScript debugging utility modelled after Node.js core's debugging
technique. Works in Node.js and web browsers.
## Installation
```bash
$ npm install debug
```
## Usage
`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
Example [_app.js_](./examples/node/app.js):
```js
var debug = require('debug')('http')
, http = require('http')
, name = 'My App';
// fake app
debug('booting %o', name);
http.createServer(function(req, res){
debug(req.method + ' ' + req.url);
res.end('hello\n');
}).listen(3000, function(){
debug('listening');
});
// fake worker of some kind
require('./worker');
```
Example [_worker.js_](./examples/node/worker.js):
```js
var a = require('debug')('worker:a')
, b = require('debug')('worker:b');
function work() {
a('doing lots of uninteresting work');
setTimeout(work, Math.random() * 1000);
}
work();
function workb() {
b('doing some work');
setTimeout(workb, Math.random() * 2000);
}
workb();
```
The `DEBUG` environment variable is then used to enable these based on space or
comma-delimited names.
Here are some examples:
<img width="647" alt="screen shot 2017-08-08 at 12 53 04 pm" src="https://user-images.githubusercontent.com/71256/29091703-a6302cdc-7c38-11e7-8304-7c0b3bc600cd.png">
<img width="647" alt="screen shot 2017-08-08 at 12 53 38 pm" src="https://user-images.githubusercontent.com/71256/29091700-a62a6888-7c38-11e7-800b-db911291ca2b.png">
<img width="647" alt="screen shot 2017-08-08 at 12 53 25 pm" src="https://user-images.githubusercontent.com/71256/29091701-a62ea114-7c38-11e7-826a-2692bedca740.png">
#### Windows command prompt notes
##### CMD
On Windows the environment variable is set using the `set` command.
```cmd
set DEBUG=*,-not_this
```
Example:
```cmd
set DEBUG=* & node app.js
```
##### PowerShell (VS Code default)
PowerShell uses different syntax to set environment variables.
```cmd
$env:DEBUG = "*,-not_this"
```
Example:
```cmd
$env:DEBUG='app';node app.js
```
Then, run the program to be debugged as usual.
npm script example:
```js
"windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js",
```
## Namespace Colors
Every debug instance has a color generated for it based on its namespace name.
This helps when visually parsing the debug output to identify which debug instance
a debug line belongs to.
#### Node.js
In Node.js, colors are enabled when stderr is a TTY. You also _should_ install
the [`supports-color`](https://npmjs.org/supports-color) module alongside debug,
otherwise debug will only use a small handful of basic colors.
<img width="521" src="https://user-images.githubusercontent.com/71256/29092181-47f6a9e6-7c3a-11e7-9a14-1928d8a711cd.png">
#### Web Browser
Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
option. These are WebKit web inspectors, Firefox ([since version
31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
and the Firebug plugin for Firefox (any version).
<img width="524" src="https://user-images.githubusercontent.com/71256/29092033-b65f9f2e-7c39-11e7-8e32-f6f0d8e865c1.png">
## Millisecond diff
When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below:
<img width="647" src="https://user-images.githubusercontent.com/71256/29091956-6bd78372-7c39-11e7-8c55-c948396d6edd.png">
## Conventions
If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser". If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable. You can then use it for normal output as well as debug output.
## Wildcards
The `*` character may be used as a wildcard. Suppose for example your library has
debuggers named "connect:bodyParser", "connect:compress", "connect:session",
instead of listing all three with
`DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do
`DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
You can also exclude specific debuggers by prefixing them with a "-" character.
For example, `DEBUG=*,-connect:*` would include all debuggers except those
starting with "connect:".
## Environment Variables
When running through Node.js, you can set a few environment variables that will
change the behavior of the debug logging:
| Name | Purpose |
|-----------|-------------------------------------------------|
| `DEBUG` | Enables/disables specific debugging namespaces. |
| `DEBUG_HIDE_DATE` | Hide date from debug output (non-TTY). |
| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
| `DEBUG_DEPTH` | Object inspection depth. |
| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
__Note:__ The environment variables beginning with `DEBUG_` end up being
converted into an Options object that gets used with `%o`/`%O` formatters.
See the Node.js documentation for
[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
for the complete list.
## Formatters
Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting.
Below are the officially supported formatters:
| Formatter | Representation |
|-----------|----------------|
| `%O` | Pretty-print an Object on multiple lines. |
| `%o` | Pretty-print an Object all on a single line. |
| `%s` | String. |
| `%d` | Number (both integer and float). |
| `%j` | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
| `%%` | Single percent sign ('%'). This does not consume an argument. |
### Custom formatters
You can add custom formatters by extending the `debug.formatters` object.
For example, if you wanted to add support for rendering a Buffer as hex with
`%h`, you could do something like:
```js
const createDebug = require('debug')
createDebug.formatters.h = (v) => {
return v.toString('hex')
}
// …elsewhere
const debug = createDebug('foo')
debug('this is hex: %h', new Buffer('hello world'))
// foo this is hex: 68656c6c6f20776f726c6421 +0ms
```
## Browser Support
You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
if you don't want to build it yourself.
Debug's enable state is currently persisted by `localStorage`.
Consider the situation shown below where you have `worker:a` and `worker:b`,
and wish to debug both. You can enable this using `localStorage.debug`:
```js
localStorage.debug = 'worker:*'
```
And then refresh the page.
```js
a = debug('worker:a');
b = debug('worker:b');
setInterval(function(){
a('doing some work');
}, 1000);
setInterval(function(){
b('doing some work');
}, 1200);
```
## Output streams
By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
Example [_stdout.js_](./examples/node/stdout.js):
```js
var debug = require('debug');
var error = debug('app:error');
// by default stderr is used
error('goes to stderr!');
var log = debug('app:log');
// set this namespace to log via console.log
log.log = console.log.bind(console); // don't forget to bind to console!
log('goes to stdout');
error('still goes to stderr!');
// set all output to go via console.info
// overrides all per-namespace log settings
debug.log = console.info.bind(console);
error('now goes to stdout via console.info');
log('still goes to stdout, but via console.info now');
```
## Extend
You can simply extend debugger
```js
const log = require('debug')('auth');
//creates new debug instance with extended namespace
const logSign = log.extend('sign');
const logLogin = log.extend('login');
log('hello'); // auth hello
logSign('hello'); //auth:sign hello
logLogin('hello'); //auth:login hello
```
## Set dynamically
You can also enable debug dynamically by calling the `enable()` method :
```js
let debug = require('debug');
console.log(1, debug.enabled('test'));
debug.enable('test');
console.log(2, debug.enabled('test'));
debug.disable();
console.log(3, debug.enabled('test'));
```
print :
```
1 false
2 true
3 false
```
Usage :
`enable(namespaces)`
`namespaces` can include modes separated by a colon and wildcards.
Note that calling `enable()` completely overrides previously set DEBUG variable :
```
$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))'
=> false
```
`disable()`
Will disable all namespaces. The functions returns the namespaces currently
enabled (and skipped). This can be useful if you want to disable debugging
temporarily without knowing what was enabled to begin with.
For example:
```js
let debug = require('debug');
debug.enable('foo:*,-foo:bar');
let namespaces = debug.disable();
debug.enable(namespaces);
```
Note: There is no guarantee that the string will be identical to the initial
enable string, but semantically they will be identical.
## Checking whether a debug target is enabled
After you've created a debug instance, you can determine whether or not it is
enabled by checking the `enabled` property:
```javascript
const debug = require('debug')('http');
if (debug.enabled) {
// do stuff...
}
```
You can also manually toggle this property to force the debug instance to be
enabled or disabled.
## Authors
- TJ Holowaychuk
- Nathan Rajlich
- Andrew Rhyne
## Backers
Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
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## Sponsors
Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
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## License
(The MIT License)
Copyright (c) 2014-2017 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

View File

@@ -0,0 +1,912 @@
"use strict";
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
(function (f) {
if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === "object" && typeof module !== "undefined") {
module.exports = f();
} else if (typeof define === "function" && define.amd) {
define([], f);
} else {
var g;
if (typeof window !== "undefined") {
g = window;
} else if (typeof global !== "undefined") {
g = global;
} else if (typeof self !== "undefined") {
g = self;
} else {
g = this;
}
g.debug = f();
}
})(function () {
var define, module, exports;
return function () {
function r(e, n, t) {
function o(i, f) {
if (!n[i]) {
if (!e[i]) {
var c = "function" == typeof require && require;
if (!f && c) return c(i, !0);
if (u) return u(i, !0);
var a = new Error("Cannot find module '" + i + "'");
throw a.code = "MODULE_NOT_FOUND", a;
}
var p = n[i] = {
exports: {}
};
e[i][0].call(p.exports, function (r) {
var n = e[i][1][r];
return o(n || r);
}, p, p.exports, r, e, n, t);
}
return n[i].exports;
}
for (var u = "function" == typeof require && require, i = 0; i < t.length; i++) {
o(t[i]);
}
return o;
}
return r;
}()({
1: [function (require, module, exports) {
/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
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?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|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 'weeks':
case 'week':
case 'w':
return n * w;
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) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}
}, {}],
2: [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;
};
}, {}],
3: [function (require, module, exports) {
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
Object.keys(env).forEach(function (key) {
createDebug[key] = env[key];
});
/**
* Active `debug` instances.
*/
createDebug.instances = [];
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.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".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
var hash = 0;
for (var i = 0; i < namespace.length; i++) {
hash = (hash << 5) - hash + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
var prevTime;
function debug() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
// Disabled?
if (!debug.enabled) {
return;
}
var self = debug; // Set `diff` timestamp
var curr = Number(new Date());
var ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// 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 = createDebug.formatters[format];
if (typeof formatter === 'function') {
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.)
createDebug.formatArgs.call(self, args);
var logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.enabled = createDebug.enabled(namespace);
debug.useColors = createDebug.useColors();
debug.color = selectColor(namespace);
debug.destroy = destroy;
debug.extend = extend; // Debug.formatArgs = formatArgs;
// debug.rawLog = rawLog;
// env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
createDebug.instances.push(debug);
return debug;
}
function destroy() {
var index = createDebug.instances.indexOf(this);
if (index !== -1) {
createDebug.instances.splice(index, 1);
return true;
}
return false;
}
function extend(namespace, delimiter) {
var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.names = [];
createDebug.skips = [];
var i;
var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
var len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
for (i = 0; i < createDebug.instances.length; i++) {
var instance = createDebug.instances[i];
instance.enabled = createDebug.enabled(instance.namespace);
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
return '-' + namespace;
}))).join(',');
createDebug.enable('');
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
var i;
var len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;
}, {
"ms": 1
}],
4: [function (require, module, exports) {
(function (process) {
/* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = 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
*/
// eslint-disable-next-line complexity
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' || window.process.__nwjs)) {
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+)/);
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
if (!this.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 (match === '%c') {
// 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() {
var _console;
// This hackery is required for IE8/9, where
// the `console.log` function doesn't have 'apply'
return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments);
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
var r;
try {
r = exports.storage.getItem('debug');
} catch (error) {} // Swallow
// XXX (@Qix-) should we be logging these?
// 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 = process.env.DEBUG;
}
return r;
}
/**
* 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 {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
var formatters = module.exports.formatters;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};
}).call(this, require('_process'));
}, {
"./common": 3,
"_process": 2
}]
}, {}, [4])(4);
});

View File

@@ -0,0 +1,102 @@
{
"_from": "debug@~4.1.0",
"_id": "debug@4.1.1",
"_inBundle": false,
"_integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
"_location": "/socket.io/debug",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "debug@~4.1.0",
"name": "debug",
"escapedName": "debug",
"rawSpec": "~4.1.0",
"saveSpec": null,
"fetchSpec": "~4.1.0"
},
"_requiredBy": [
"/socket.io"
],
"_resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
"_shasum": "3b72260255109c6b589cee050f1d516139664791",
"_spec": "debug@~4.1.0",
"_where": "/data/node_modules/socket.io",
"author": {
"name": "TJ Holowaychuk",
"email": "tj@vision-media.ca"
},
"browser": "./src/browser.js",
"bugs": {
"url": "https://github.com/visionmedia/debug/issues"
},
"bundleDependencies": false,
"contributors": [
{
"name": "Nathan Rajlich",
"email": "nathan@tootallnate.net",
"url": "http://n8.io"
},
{
"name": "Andrew Rhyne",
"email": "rhyneandrew@gmail.com"
}
],
"dependencies": {
"ms": "^2.1.1"
},
"deprecated": false,
"description": "small debugging utility",
"devDependencies": {
"@babel/cli": "^7.0.0",
"@babel/core": "^7.0.0",
"@babel/preset-env": "^7.0.0",
"browserify": "14.4.0",
"chai": "^3.5.0",
"concurrently": "^3.1.0",
"coveralls": "^3.0.2",
"istanbul": "^0.4.5",
"karma": "^3.0.0",
"karma-chai": "^0.1.0",
"karma-mocha": "^1.3.0",
"karma-phantomjs-launcher": "^1.0.2",
"mocha": "^5.2.0",
"mocha-lcov-reporter": "^1.2.0",
"rimraf": "^2.5.4",
"xo": "^0.23.0"
},
"files": [
"src",
"dist/debug.js",
"LICENSE",
"README.md"
],
"homepage": "https://github.com/visionmedia/debug#readme",
"keywords": [
"debug",
"log",
"debugger"
],
"license": "MIT",
"main": "./src/index.js",
"name": "debug",
"repository": {
"type": "git",
"url": "git://github.com/visionmedia/debug.git"
},
"scripts": {
"build": "npm run build:debug && npm run build:test",
"build:debug": "babel -o dist/debug.js dist/debug.es6.js > dist/debug.js",
"build:test": "babel -d dist test.js",
"clean": "rimraf dist coverage",
"lint": "xo",
"prebuild:debug": "mkdir -p dist && browserify --standalone debug -o dist/debug.es6.js .",
"pretest:browser": "npm run build",
"test": "npm run test:node && npm run test:browser",
"test:browser": "karma start --single-run",
"test:coverage": "cat ./coverage/lcov.info | coveralls",
"test:node": "istanbul cover _mocha -- test.js"
},
"unpkg": "./dist/debug.js",
"version": "4.1.1"
}

View File

@@ -0,0 +1,264 @@
/* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = 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
*/
// eslint-disable-next-line complexity
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' || window.process.__nwjs)) {
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+)/));
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') +
this.namespace +
(this.useColors ? ' %c' : ' ') +
args[0] +
(this.useColors ? '%c ' : ' ') +
'+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
const 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
let index = 0;
let lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, match => {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// 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(...args) {
// This hackery is required for IE8/9, where
// the `console.log` function doesn't have 'apply'
return typeof console === 'object' &&
console.log &&
console.log(...args);
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
let r;
try {
r = exports.storage.getItem('debug');
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
// 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 = process.env.DEBUG;
}
return r;
}
/**
* 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 {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};

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@@ -0,0 +1,266 @@
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
Object.keys(env).forEach(key => {
createDebug[key] = env[key];
});
/**
* Active `debug` instances.
*/
createDebug.instances = [];
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.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".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
let hash = 0;
for (let i = 0; i < namespace.length; i++) {
hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
let prevTime;
function debug(...args) {
// Disabled?
if (!debug.enabled) {
return;
}
const self = debug;
// Set `diff` timestamp
const curr = Number(new Date());
const ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
}
// Apply any `formatters` transformations
let index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return match;
}
index++;
const formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
const 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.)
createDebug.formatArgs.call(self, args);
const logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.enabled = createDebug.enabled(namespace);
debug.useColors = createDebug.useColors();
debug.color = selectColor(namespace);
debug.destroy = destroy;
debug.extend = extend;
// Debug.formatArgs = formatArgs;
// debug.rawLog = rawLog;
// env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
createDebug.instances.push(debug);
return debug;
}
function destroy() {
const index = createDebug.instances.indexOf(this);
if (index !== -1) {
createDebug.instances.splice(index, 1);
return true;
}
return false;
}
function extend(namespace, delimiter) {
const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.names = [];
createDebug.skips = [];
let i;
const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
const len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
for (i = 0; i < createDebug.instances.length; i++) {
const instance = createDebug.instances[i];
instance.enabled = createDebug.enabled(instance.namespace);
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
const namespaces = [
...createDebug.names.map(toNamespace),
...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
].join(',');
createDebug.enable('');
return namespaces;
}
/**
* 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;
}
let i;
let len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString()
.substring(2, regexp.toString().length - 2)
.replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;

View File

@@ -0,0 +1,10 @@
/**
* Detect Electron renderer / nwjs process, which is node, but we should
* treat as a browser.
*/
if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
module.exports = require('./browser.js');
} else {
module.exports = require('./node.js');
}

View File

@@ -0,0 +1,257 @@
/**
* Module dependencies.
*/
const tty = require('tty');
const util = require('util');
/**
* This is the Node.js implementation of `debug()`.
*/
exports.init = init;
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
/**
* Colors.
*/
exports.colors = [6, 2, 3, 4, 5, 1];
try {
// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
// eslint-disable-next-line import/no-extraneous-dependencies
const supportsColor = require('supports-color');
if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
exports.colors = [
20,
21,
26,
27,
32,
33,
38,
39,
40,
41,
42,
43,
44,
45,
56,
57,
62,
63,
68,
69,
74,
75,
76,
77,
78,
79,
80,
81,
92,
93,
98,
99,
112,
113,
128,
129,
134,
135,
148,
149,
160,
161,
162,
163,
164,
165,
166,
167,
168,
169,
170,
171,
172,
173,
178,
179,
184,
185,
196,
197,
198,
199,
200,
201,
202,
203,
204,
205,
206,
207,
208,
209,
214,
215,
220,
221
];
}
} catch (error) {
// Swallow - we only care if `supports-color` is available; it doesn't have to be.
}
/**
* Build up the default `inspectOpts` object from the environment variables.
*
* $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
*/
exports.inspectOpts = Object.keys(process.env).filter(key => {
return /^debug_/i.test(key);
}).reduce((obj, key) => {
// Camel-case
const prop = key
.substring(6)
.toLowerCase()
.replace(/_([a-z])/g, (_, k) => {
return k.toUpperCase();
});
// Coerce string value into JS value
let val = process.env[key];
if (/^(yes|on|true|enabled)$/i.test(val)) {
val = true;
} else if (/^(no|off|false|disabled)$/i.test(val)) {
val = false;
} else if (val === 'null') {
val = null;
} else {
val = Number(val);
}
obj[prop] = val;
return obj;
}, {});
/**
* Is stdout a TTY? Colored output is enabled when `true`.
*/
function useColors() {
return 'colors' in exports.inspectOpts ?
Boolean(exports.inspectOpts.colors) :
tty.isatty(process.stderr.fd);
}
/**
* Adds ANSI color escape codes if enabled.
*
* @api public
*/
function formatArgs(args) {
const {namespace: name, useColors} = this;
if (useColors) {
const c = this.color;
const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
const prefix = ` ${colorCode};1m${name} \u001B[0m`;
args[0] = prefix + args[0].split('\n').join('\n' + prefix);
args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
} else {
args[0] = getDate() + name + ' ' + args[0];
}
}
function getDate() {
if (exports.inspectOpts.hideDate) {
return '';
}
return new Date().toISOString() + ' ';
}
/**
* Invokes `util.format()` with the specified arguments and writes to stderr.
*/
function log(...args) {
return process.stderr.write(util.format(...args) + '\n');
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
if (namespaces) {
process.env.DEBUG = namespaces;
} else {
// If you set a process.env field to null or undefined, it gets cast to the
// string 'null' or 'undefined'. Just delete instead.
delete process.env.DEBUG;
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
return process.env.DEBUG;
}
/**
* Init logic for `debug` instances.
*
* Create a new `inspectOpts` object in case `useColors` is set
* differently for a particular `debug` instance.
*/
function init(debug) {
debug.inspectOpts = {};
const keys = Object.keys(exports.inspectOpts);
for (let i = 0; i < keys.length; i++) {
debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %o to `util.inspect()`, all on a single line.
*/
formatters.o = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts)
.replace(/\s*\n\s*/g, ' ');
};
/**
* Map %O to `util.inspect()`, allowing multiple lines if needed.
*/
formatters.O = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts);
};

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/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
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' && isFinite(val)) {
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|weeks?|w|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 'weeks':
case 'week':
case 'w':
return n * w;
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) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}

View File

@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2016 Zeit, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

View File

@@ -0,0 +1,69 @@
{
"_from": "ms@^2.1.1",
"_id": "ms@2.1.2",
"_inBundle": false,
"_integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
"_location": "/socket.io/ms",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "ms@^2.1.1",
"name": "ms",
"escapedName": "ms",
"rawSpec": "^2.1.1",
"saveSpec": null,
"fetchSpec": "^2.1.1"
},
"_requiredBy": [
"/socket.io/debug"
],
"_resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
"_shasum": "d09d1f357b443f493382a8eb3ccd183872ae6009",
"_spec": "ms@^2.1.1",
"_where": "/data/node_modules/socket.io/node_modules/debug",
"bugs": {
"url": "https://github.com/zeit/ms/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "Tiny millisecond conversion utility",
"devDependencies": {
"eslint": "4.12.1",
"expect.js": "0.3.1",
"husky": "0.14.3",
"lint-staged": "5.0.0",
"mocha": "4.0.1"
},
"eslintConfig": {
"extends": "eslint:recommended",
"env": {
"node": true,
"es6": true
}
},
"files": [
"index.js"
],
"homepage": "https://github.com/zeit/ms#readme",
"license": "MIT",
"lint-staged": {
"*.js": [
"npm run lint",
"prettier --single-quote --write",
"git add"
]
},
"main": "./index",
"name": "ms",
"repository": {
"type": "git",
"url": "git+https://github.com/zeit/ms.git"
},
"scripts": {
"lint": "eslint lib/* bin/*",
"precommit": "lint-staged",
"test": "mocha tests.js"
},
"version": "2.1.2"
}

View File

@@ -0,0 +1,60 @@
# ms
[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms)
[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/zeit)
Use this package to easily convert various time formats to milliseconds.
## Examples
```js
ms('2 days') // 172800000
ms('1d') // 86400000
ms('10h') // 36000000
ms('2.5 hrs') // 9000000
ms('2h') // 7200000
ms('1m') // 60000
ms('5s') // 5000
ms('1y') // 31557600000
ms('100') // 100
ms('-3 days') // -259200000
ms('-1h') // -3600000
ms('-200') // -200
```
### Convert from Milliseconds
```js
ms(60000) // "1m"
ms(2 * 60000) // "2m"
ms(-3 * 60000) // "-3m"
ms(ms('10 hours')) // "10h"
```
### Time Format Written-Out
```js
ms(60000, { long: true }) // "1 minute"
ms(2 * 60000, { long: true }) // "2 minutes"
ms(-3 * 60000, { long: true }) // "-3 minutes"
ms(ms('10 hours'), { long: true }) // "10 hours"
```
## Features
- Works both in [Node.js](https://nodejs.org) and in the browser
- If a number is supplied to `ms`, a string with a unit is returned
- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`)
- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned
## Related Packages
- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time.
## Caught a Bug?
1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
2. Link the package to the global module directory: `npm link`
3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms!
As always, you can run the tests using: `npm test`

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{
"_from": "socket.io@^2.3.0",
"_id": "socket.io@2.3.0",
"_inBundle": false,
"_integrity": "sha512-2A892lrj0GcgR/9Qk81EaY2gYhCBxurV0PfmmESO6p27QPrUK1J3zdns+5QPqvUYK2q657nSj0guoIil9+7eFg==",
"_location": "/socket.io",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "socket.io@^2.3.0",
"name": "socket.io",
"escapedName": "socket.io",
"rawSpec": "^2.3.0",
"saveSpec": null,
"fetchSpec": "^2.3.0"
},
"_requiredBy": [
"/node-red-dashboard"
],
"_resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.3.0.tgz",
"_shasum": "cd762ed6a4faeca59bc1f3e243c0969311eb73fb",
"_spec": "socket.io@^2.3.0",
"_where": "/data/node_modules/node-red-dashboard",
"bugs": {
"url": "https://github.com/socketio/socket.io/issues"
},
"bundleDependencies": false,
"contributors": [
{
"name": "Guillermo Rauch",
"email": "rauchg@gmail.com"
},
{
"name": "Arnout Kazemier",
"email": "info@3rd-eden.com"
},
{
"name": "Vladimir Dronnikov",
"email": "dronnikov@gmail.com"
},
{
"name": "Einar Otto Stangvik",
"email": "einaros@gmail.com"
}
],
"dependencies": {
"debug": "~4.1.0",
"engine.io": "~3.4.0",
"has-binary2": "~1.0.2",
"socket.io-adapter": "~1.1.0",
"socket.io-client": "2.3.0",
"socket.io-parser": "~3.4.0"
},
"deprecated": false,
"description": "node.js realtime framework server",
"devDependencies": {
"expect.js": "0.3.1",
"mocha": "^3.5.3",
"nyc": "^11.2.1",
"superagent": "^3.8.2",
"supertest": "^3.0.0"
},
"files": [
"lib/"
],
"homepage": "https://github.com/socketio/socket.io#readme",
"keywords": [
"realtime",
"framework",
"websocket",
"tcp",
"events",
"socket",
"io"
],
"license": "MIT",
"main": "./lib/index",
"name": "socket.io",
"repository": {
"type": "git",
"url": "git://github.com/socketio/socket.io.git"
},
"scripts": {
"test": "nyc mocha --reporter spec --slow 200 --bail --timeout 10000 test/socket.io.js"
},
"version": "2.3.0"
}