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https://github.com/mgerb/mywebsite
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updated package.json
This commit is contained in:
573
node_modules/eventemitter2/lib/eventemitter2.js
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vendored
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573
node_modules/eventemitter2/lib/eventemitter2.js
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@@ -0,0 +1,573 @@
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/*!
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* EventEmitter2
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* https://github.com/hij1nx/EventEmitter2
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*
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* Copyright (c) 2013 hij1nx
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* Licensed under the MIT license.
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*/
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;!function(undefined) {
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var isArray = Array.isArray ? Array.isArray : function _isArray(obj) {
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return Object.prototype.toString.call(obj) === "[object Array]";
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};
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var defaultMaxListeners = 10;
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||||
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function init() {
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this._events = {};
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if (this._conf) {
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configure.call(this, this._conf);
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}
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}
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function configure(conf) {
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if (conf) {
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this._conf = conf;
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conf.delimiter && (this.delimiter = conf.delimiter);
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conf.maxListeners && (this._events.maxListeners = conf.maxListeners);
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conf.wildcard && (this.wildcard = conf.wildcard);
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conf.newListener && (this.newListener = conf.newListener);
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if (this.wildcard) {
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this.listenerTree = {};
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}
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}
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}
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function EventEmitter(conf) {
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this._events = {};
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this.newListener = false;
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configure.call(this, conf);
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}
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//
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// Attention, function return type now is array, always !
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// It has zero elements if no any matches found and one or more
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// elements (leafs) if there are matches
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//
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function searchListenerTree(handlers, type, tree, i) {
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if (!tree) {
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return [];
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}
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var listeners=[], leaf, len, branch, xTree, xxTree, isolatedBranch, endReached,
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typeLength = type.length, currentType = type[i], nextType = type[i+1];
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if (i === typeLength && tree._listeners) {
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//
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// If at the end of the event(s) list and the tree has listeners
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// invoke those listeners.
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//
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if (typeof tree._listeners === 'function') {
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handlers && handlers.push(tree._listeners);
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return [tree];
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} else {
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for (leaf = 0, len = tree._listeners.length; leaf < len; leaf++) {
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handlers && handlers.push(tree._listeners[leaf]);
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}
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return [tree];
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}
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}
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if ((currentType === '*' || currentType === '**') || tree[currentType]) {
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//
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// If the event emitted is '*' at this part
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// or there is a concrete match at this patch
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//
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if (currentType === '*') {
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for (branch in tree) {
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if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {
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listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+1));
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}
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}
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return listeners;
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} else if(currentType === '**') {
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endReached = (i+1 === typeLength || (i+2 === typeLength && nextType === '*'));
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if(endReached && tree._listeners) {
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// The next element has a _listeners, add it to the handlers.
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listeners = listeners.concat(searchListenerTree(handlers, type, tree, typeLength));
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}
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||||
for (branch in tree) {
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if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {
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||||
if(branch === '*' || branch === '**') {
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||||
if(tree[branch]._listeners && !endReached) {
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listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], typeLength));
|
||||
}
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listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));
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||||
} else if(branch === nextType) {
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listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+2));
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||||
} else {
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||||
// No match on this one, shift into the tree but not in the type array.
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||||
listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));
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||||
}
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||||
}
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||||
}
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||||
return listeners;
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||||
}
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||||
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||||
listeners = listeners.concat(searchListenerTree(handlers, type, tree[currentType], i+1));
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||||
}
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||||
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||||
xTree = tree['*'];
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||||
if (xTree) {
|
||||
//
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||||
// If the listener tree will allow any match for this part,
|
||||
// then recursively explore all branches of the tree
|
||||
//
|
||||
searchListenerTree(handlers, type, xTree, i+1);
|
||||
}
|
||||
|
||||
xxTree = tree['**'];
|
||||
if(xxTree) {
|
||||
if(i < typeLength) {
|
||||
if(xxTree._listeners) {
|
||||
// If we have a listener on a '**', it will catch all, so add its handler.
|
||||
searchListenerTree(handlers, type, xxTree, typeLength);
|
||||
}
|
||||
|
||||
// Build arrays of matching next branches and others.
|
||||
for(branch in xxTree) {
|
||||
if(branch !== '_listeners' && xxTree.hasOwnProperty(branch)) {
|
||||
if(branch === nextType) {
|
||||
// We know the next element will match, so jump twice.
|
||||
searchListenerTree(handlers, type, xxTree[branch], i+2);
|
||||
} else if(branch === currentType) {
|
||||
// Current node matches, move into the tree.
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||||
searchListenerTree(handlers, type, xxTree[branch], i+1);
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||||
} else {
|
||||
isolatedBranch = {};
|
||||
isolatedBranch[branch] = xxTree[branch];
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||||
searchListenerTree(handlers, type, { '**': isolatedBranch }, i+1);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if(xxTree._listeners) {
|
||||
// We have reached the end and still on a '**'
|
||||
searchListenerTree(handlers, type, xxTree, typeLength);
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||||
} else if(xxTree['*'] && xxTree['*']._listeners) {
|
||||
searchListenerTree(handlers, type, xxTree['*'], typeLength);
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||||
}
|
||||
}
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||||
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||||
return listeners;
|
||||
}
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||||
|
||||
function growListenerTree(type, listener) {
|
||||
|
||||
type = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
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|
||||
//
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||||
// Looks for two consecutive '**', if so, don't add the event at all.
|
||||
//
|
||||
for(var i = 0, len = type.length; i+1 < len; i++) {
|
||||
if(type[i] === '**' && type[i+1] === '**') {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
var tree = this.listenerTree;
|
||||
var name = type.shift();
|
||||
|
||||
while (name) {
|
||||
|
||||
if (!tree[name]) {
|
||||
tree[name] = {};
|
||||
}
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||||
|
||||
tree = tree[name];
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||||
|
||||
if (type.length === 0) {
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||||
|
||||
if (!tree._listeners) {
|
||||
tree._listeners = listener;
|
||||
}
|
||||
else if(typeof tree._listeners === 'function') {
|
||||
tree._listeners = [tree._listeners, listener];
|
||||
}
|
||||
else if (isArray(tree._listeners)) {
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||||
|
||||
tree._listeners.push(listener);
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||||
|
||||
if (!tree._listeners.warned) {
|
||||
|
||||
var m = defaultMaxListeners;
|
||||
|
||||
if (typeof this._events.maxListeners !== 'undefined') {
|
||||
m = this._events.maxListeners;
|
||||
}
|
||||
|
||||
if (m > 0 && tree._listeners.length > m) {
|
||||
|
||||
tree._listeners.warned = true;
|
||||
console.error('(node) warning: possible EventEmitter memory ' +
|
||||
'leak detected. %d listeners added. ' +
|
||||
'Use emitter.setMaxListeners() to increase limit.',
|
||||
tree._listeners.length);
|
||||
console.trace();
|
||||
}
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||||
}
|
||||
}
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||||
return true;
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||||
}
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||||
name = type.shift();
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||||
}
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||||
return true;
|
||||
}
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||||
|
||||
// By default EventEmitters will print a warning if more than
|
||||
// 10 listeners are added to it. This is a useful default which
|
||||
// helps finding memory leaks.
|
||||
//
|
||||
// Obviously not all Emitters should be limited to 10. This function allows
|
||||
// that to be increased. Set to zero for unlimited.
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||||
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||||
EventEmitter.prototype.delimiter = '.';
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||||
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||||
EventEmitter.prototype.setMaxListeners = function(n) {
|
||||
this._events || init.call(this);
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||||
this._events.maxListeners = n;
|
||||
if (!this._conf) this._conf = {};
|
||||
this._conf.maxListeners = n;
|
||||
};
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||||
|
||||
EventEmitter.prototype.event = '';
|
||||
|
||||
EventEmitter.prototype.once = function(event, fn) {
|
||||
this.many(event, 1, fn);
|
||||
return this;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.many = function(event, ttl, fn) {
|
||||
var self = this;
|
||||
|
||||
if (typeof fn !== 'function') {
|
||||
throw new Error('many only accepts instances of Function');
|
||||
}
|
||||
|
||||
function listener() {
|
||||
if (--ttl === 0) {
|
||||
self.off(event, listener);
|
||||
}
|
||||
fn.apply(this, arguments);
|
||||
}
|
||||
|
||||
listener._origin = fn;
|
||||
|
||||
this.on(event, listener);
|
||||
|
||||
return self;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.emit = function() {
|
||||
|
||||
this._events || init.call(this);
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||||
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||||
var type = arguments[0];
|
||||
|
||||
if (type === 'newListener' && !this.newListener) {
|
||||
if (!this._events.newListener) { return false; }
|
||||
}
|
||||
|
||||
// Loop through the *_all* functions and invoke them.
|
||||
if (this._all) {
|
||||
var l = arguments.length;
|
||||
var args = new Array(l - 1);
|
||||
for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
|
||||
for (i = 0, l = this._all.length; i < l; i++) {
|
||||
this.event = type;
|
||||
this._all[i].apply(this, args);
|
||||
}
|
||||
}
|
||||
|
||||
// If there is no 'error' event listener then throw.
|
||||
if (type === 'error') {
|
||||
|
||||
if (!this._all &&
|
||||
!this._events.error &&
|
||||
!(this.wildcard && this.listenerTree.error)) {
|
||||
|
||||
if (arguments[1] instanceof Error) {
|
||||
throw arguments[1]; // Unhandled 'error' event
|
||||
} else {
|
||||
throw new Error("Uncaught, unspecified 'error' event.");
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
var handler;
|
||||
|
||||
if(this.wildcard) {
|
||||
handler = [];
|
||||
var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
|
||||
searchListenerTree.call(this, handler, ns, this.listenerTree, 0);
|
||||
}
|
||||
else {
|
||||
handler = this._events[type];
|
||||
}
|
||||
|
||||
if (typeof handler === 'function') {
|
||||
this.event = type;
|
||||
if (arguments.length === 1) {
|
||||
handler.call(this);
|
||||
}
|
||||
else if (arguments.length > 1)
|
||||
switch (arguments.length) {
|
||||
case 2:
|
||||
handler.call(this, arguments[1]);
|
||||
break;
|
||||
case 3:
|
||||
handler.call(this, arguments[1], arguments[2]);
|
||||
break;
|
||||
// slower
|
||||
default:
|
||||
var l = arguments.length;
|
||||
var args = new Array(l - 1);
|
||||
for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
|
||||
handler.apply(this, args);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
else if (handler) {
|
||||
var l = arguments.length;
|
||||
var args = new Array(l - 1);
|
||||
for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
|
||||
|
||||
var listeners = handler.slice();
|
||||
for (var i = 0, l = listeners.length; i < l; i++) {
|
||||
this.event = type;
|
||||
listeners[i].apply(this, args);
|
||||
}
|
||||
return (listeners.length > 0) || !!this._all;
|
||||
}
|
||||
else {
|
||||
return !!this._all;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
EventEmitter.prototype.on = function(type, listener) {
|
||||
|
||||
if (typeof type === 'function') {
|
||||
this.onAny(type);
|
||||
return this;
|
||||
}
|
||||
|
||||
if (typeof listener !== 'function') {
|
||||
throw new Error('on only accepts instances of Function');
|
||||
}
|
||||
this._events || init.call(this);
|
||||
|
||||
// To avoid recursion in the case that type == "newListeners"! Before
|
||||
// adding it to the listeners, first emit "newListeners".
|
||||
this.emit('newListener', type, listener);
|
||||
|
||||
if(this.wildcard) {
|
||||
growListenerTree.call(this, type, listener);
|
||||
return this;
|
||||
}
|
||||
|
||||
if (!this._events[type]) {
|
||||
// Optimize the case of one listener. Don't need the extra array object.
|
||||
this._events[type] = listener;
|
||||
}
|
||||
else if(typeof this._events[type] === 'function') {
|
||||
// Adding the second element, need to change to array.
|
||||
this._events[type] = [this._events[type], listener];
|
||||
}
|
||||
else if (isArray(this._events[type])) {
|
||||
// If we've already got an array, just append.
|
||||
this._events[type].push(listener);
|
||||
|
||||
// Check for listener leak
|
||||
if (!this._events[type].warned) {
|
||||
|
||||
var m = defaultMaxListeners;
|
||||
|
||||
if (typeof this._events.maxListeners !== 'undefined') {
|
||||
m = this._events.maxListeners;
|
||||
}
|
||||
|
||||
if (m > 0 && this._events[type].length > m) {
|
||||
|
||||
this._events[type].warned = true;
|
||||
console.error('(node) warning: possible EventEmitter memory ' +
|
||||
'leak detected. %d listeners added. ' +
|
||||
'Use emitter.setMaxListeners() to increase limit.',
|
||||
this._events[type].length);
|
||||
console.trace();
|
||||
}
|
||||
}
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.onAny = function(fn) {
|
||||
|
||||
if (typeof fn !== 'function') {
|
||||
throw new Error('onAny only accepts instances of Function');
|
||||
}
|
||||
|
||||
if(!this._all) {
|
||||
this._all = [];
|
||||
}
|
||||
|
||||
// Add the function to the event listener collection.
|
||||
this._all.push(fn);
|
||||
return this;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.addListener = EventEmitter.prototype.on;
|
||||
|
||||
EventEmitter.prototype.off = function(type, listener) {
|
||||
if (typeof listener !== 'function') {
|
||||
throw new Error('removeListener only takes instances of Function');
|
||||
}
|
||||
|
||||
var handlers,leafs=[];
|
||||
|
||||
if(this.wildcard) {
|
||||
var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
|
||||
leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);
|
||||
}
|
||||
else {
|
||||
// does not use listeners(), so no side effect of creating _events[type]
|
||||
if (!this._events[type]) return this;
|
||||
handlers = this._events[type];
|
||||
leafs.push({_listeners:handlers});
|
||||
}
|
||||
|
||||
for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {
|
||||
var leaf = leafs[iLeaf];
|
||||
handlers = leaf._listeners;
|
||||
if (isArray(handlers)) {
|
||||
|
||||
var position = -1;
|
||||
|
||||
for (var i = 0, length = handlers.length; i < length; i++) {
|
||||
if (handlers[i] === listener ||
|
||||
(handlers[i].listener && handlers[i].listener === listener) ||
|
||||
(handlers[i]._origin && handlers[i]._origin === listener)) {
|
||||
position = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (position < 0) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if(this.wildcard) {
|
||||
leaf._listeners.splice(position, 1);
|
||||
}
|
||||
else {
|
||||
this._events[type].splice(position, 1);
|
||||
}
|
||||
|
||||
if (handlers.length === 0) {
|
||||
if(this.wildcard) {
|
||||
delete leaf._listeners;
|
||||
}
|
||||
else {
|
||||
delete this._events[type];
|
||||
}
|
||||
}
|
||||
return this;
|
||||
}
|
||||
else if (handlers === listener ||
|
||||
(handlers.listener && handlers.listener === listener) ||
|
||||
(handlers._origin && handlers._origin === listener)) {
|
||||
if(this.wildcard) {
|
||||
delete leaf._listeners;
|
||||
}
|
||||
else {
|
||||
delete this._events[type];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.offAny = function(fn) {
|
||||
var i = 0, l = 0, fns;
|
||||
if (fn && this._all && this._all.length > 0) {
|
||||
fns = this._all;
|
||||
for(i = 0, l = fns.length; i < l; i++) {
|
||||
if(fn === fns[i]) {
|
||||
fns.splice(i, 1);
|
||||
return this;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
this._all = [];
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.removeListener = EventEmitter.prototype.off;
|
||||
|
||||
EventEmitter.prototype.removeAllListeners = function(type) {
|
||||
if (arguments.length === 0) {
|
||||
!this._events || init.call(this);
|
||||
return this;
|
||||
}
|
||||
|
||||
if(this.wildcard) {
|
||||
var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
|
||||
var leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);
|
||||
|
||||
for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {
|
||||
var leaf = leafs[iLeaf];
|
||||
leaf._listeners = null;
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (!this._events[type]) return this;
|
||||
this._events[type] = null;
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
EventEmitter.prototype.listeners = function(type) {
|
||||
if(this.wildcard) {
|
||||
var handlers = [];
|
||||
var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
|
||||
searchListenerTree.call(this, handlers, ns, this.listenerTree, 0);
|
||||
return handlers;
|
||||
}
|
||||
|
||||
this._events || init.call(this);
|
||||
|
||||
if (!this._events[type]) this._events[type] = [];
|
||||
if (!isArray(this._events[type])) {
|
||||
this._events[type] = [this._events[type]];
|
||||
}
|
||||
return this._events[type];
|
||||
};
|
||||
|
||||
EventEmitter.prototype.listenersAny = function() {
|
||||
|
||||
if(this._all) {
|
||||
return this._all;
|
||||
}
|
||||
else {
|
||||
return [];
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
if (typeof define === 'function' && define.amd) {
|
||||
// AMD. Register as an anonymous module.
|
||||
define(function() {
|
||||
return EventEmitter;
|
||||
});
|
||||
} else if (typeof exports === 'object') {
|
||||
// CommonJS
|
||||
exports.EventEmitter2 = EventEmitter;
|
||||
}
|
||||
else {
|
||||
// Browser global.
|
||||
window.EventEmitter2 = EventEmitter;
|
||||
}
|
||||
}();
|
||||
Reference in New Issue
Block a user