refactor(Cypress): add nodemodules
This commit is contained in:
523
node_modules/events/events.js
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vendored
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523
node_modules/events/events.js
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vendored
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@@ -0,0 +1,523 @@
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var objectCreate = Object.create || objectCreatePolyfill
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var objectKeys = Object.keys || objectKeysPolyfill
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var bind = Function.prototype.bind || functionBindPolyfill
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function EventEmitter() {
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if (!this._events || !Object.prototype.hasOwnProperty.call(this, '_events')) {
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this._events = objectCreate(null);
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this._eventsCount = 0;
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}
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this._maxListeners = this._maxListeners || undefined;
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}
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module.exports = EventEmitter;
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// Backwards-compat with node 0.10.x
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EventEmitter.EventEmitter = EventEmitter;
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EventEmitter.prototype._events = undefined;
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EventEmitter.prototype._maxListeners = undefined;
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// By default EventEmitters will print a warning if more than 10 listeners are
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// added to it. This is a useful default which helps finding memory leaks.
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var defaultMaxListeners = 10;
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var hasDefineProperty;
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try {
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var o = {};
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if (Object.defineProperty) Object.defineProperty(o, 'x', { value: 0 });
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hasDefineProperty = o.x === 0;
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} catch (err) { hasDefineProperty = false }
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if (hasDefineProperty) {
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Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
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enumerable: true,
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get: function() {
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return defaultMaxListeners;
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},
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set: function(arg) {
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// check whether the input is a positive number (whose value is zero or
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// greater and not a NaN).
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if (typeof arg !== 'number' || arg < 0 || arg !== arg)
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throw new TypeError('"defaultMaxListeners" must be a positive number');
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defaultMaxListeners = arg;
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}
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});
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} else {
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EventEmitter.defaultMaxListeners = defaultMaxListeners;
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}
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// Obviously not all Emitters should be limited to 10. This function allows
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// that to be increased. Set to zero for unlimited.
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EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
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if (typeof n !== 'number' || n < 0 || isNaN(n))
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throw new TypeError('"n" argument must be a positive number');
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this._maxListeners = n;
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return this;
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};
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function $getMaxListeners(that) {
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if (that._maxListeners === undefined)
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return EventEmitter.defaultMaxListeners;
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return that._maxListeners;
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}
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EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
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return $getMaxListeners(this);
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};
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// These standalone emit* functions are used to optimize calling of event
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// handlers for fast cases because emit() itself often has a variable number of
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// arguments and can be deoptimized because of that. These functions always have
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// the same number of arguments and thus do not get deoptimized, so the code
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// inside them can execute faster.
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function emitNone(handler, isFn, self) {
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if (isFn)
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handler.call(self);
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else {
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var len = handler.length;
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var listeners = arrayClone(handler, len);
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for (var i = 0; i < len; ++i)
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listeners[i].call(self);
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}
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}
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function emitOne(handler, isFn, self, arg1) {
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if (isFn)
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handler.call(self, arg1);
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else {
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var len = handler.length;
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var listeners = arrayClone(handler, len);
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for (var i = 0; i < len; ++i)
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listeners[i].call(self, arg1);
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}
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}
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function emitTwo(handler, isFn, self, arg1, arg2) {
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if (isFn)
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handler.call(self, arg1, arg2);
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else {
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var len = handler.length;
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var listeners = arrayClone(handler, len);
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for (var i = 0; i < len; ++i)
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listeners[i].call(self, arg1, arg2);
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}
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}
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function emitThree(handler, isFn, self, arg1, arg2, arg3) {
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if (isFn)
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handler.call(self, arg1, arg2, arg3);
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else {
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var len = handler.length;
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var listeners = arrayClone(handler, len);
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for (var i = 0; i < len; ++i)
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listeners[i].call(self, arg1, arg2, arg3);
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}
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}
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function emitMany(handler, isFn, self, args) {
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if (isFn)
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handler.apply(self, args);
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else {
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var len = handler.length;
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var listeners = arrayClone(handler, len);
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for (var i = 0; i < len; ++i)
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listeners[i].apply(self, args);
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}
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}
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EventEmitter.prototype.emit = function emit(type) {
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var er, handler, len, args, i, events;
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var doError = (type === 'error');
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events = this._events;
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if (events)
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doError = (doError && events.error == null);
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else if (!doError)
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return false;
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// If there is no 'error' event listener then throw.
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if (doError) {
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if (arguments.length > 1)
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er = arguments[1];
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if (er instanceof Error) {
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throw er; // Unhandled 'error' event
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} else {
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// At least give some kind of context to the user
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var err = new Error('Unhandled "error" event. (' + er + ')');
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err.context = er;
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throw err;
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}
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return false;
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}
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handler = events[type];
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if (!handler)
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return false;
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var isFn = typeof handler === 'function';
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len = arguments.length;
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switch (len) {
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// fast cases
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case 1:
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emitNone(handler, isFn, this);
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break;
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case 2:
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emitOne(handler, isFn, this, arguments[1]);
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break;
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case 3:
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emitTwo(handler, isFn, this, arguments[1], arguments[2]);
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break;
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case 4:
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emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]);
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break;
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// slower
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default:
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args = new Array(len - 1);
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for (i = 1; i < len; i++)
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args[i - 1] = arguments[i];
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emitMany(handler, isFn, this, args);
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}
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return true;
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};
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function _addListener(target, type, listener, prepend) {
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var m;
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var events;
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var existing;
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if (typeof listener !== 'function')
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throw new TypeError('"listener" argument must be a function');
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events = target._events;
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if (!events) {
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events = target._events = objectCreate(null);
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target._eventsCount = 0;
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} else {
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// To avoid recursion in the case that type === "newListener"! Before
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// adding it to the listeners, first emit "newListener".
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if (events.newListener) {
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target.emit('newListener', type,
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listener.listener ? listener.listener : listener);
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// Re-assign `events` because a newListener handler could have caused the
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// this._events to be assigned to a new object
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events = target._events;
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}
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existing = events[type];
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}
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if (!existing) {
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// Optimize the case of one listener. Don't need the extra array object.
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existing = events[type] = listener;
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++target._eventsCount;
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} else {
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if (typeof existing === 'function') {
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// Adding the second element, need to change to array.
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existing = events[type] =
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prepend ? [listener, existing] : [existing, listener];
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} else {
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// If we've already got an array, just append.
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if (prepend) {
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existing.unshift(listener);
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} else {
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existing.push(listener);
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}
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}
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// Check for listener leak
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if (!existing.warned) {
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m = $getMaxListeners(target);
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if (m && m > 0 && existing.length > m) {
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existing.warned = true;
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var w = new Error('Possible EventEmitter memory leak detected. ' +
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existing.length + ' "' + String(type) + '" listeners ' +
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'added. Use emitter.setMaxListeners() to ' +
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'increase limit.');
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w.name = 'MaxListenersExceededWarning';
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w.emitter = target;
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w.type = type;
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w.count = existing.length;
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if (typeof console === 'object' && console.warn) {
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console.warn('%s: %s', w.name, w.message);
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}
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}
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}
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}
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return target;
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}
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EventEmitter.prototype.addListener = function addListener(type, listener) {
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return _addListener(this, type, listener, false);
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};
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EventEmitter.prototype.on = EventEmitter.prototype.addListener;
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EventEmitter.prototype.prependListener =
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function prependListener(type, listener) {
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return _addListener(this, type, listener, true);
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};
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function onceWrapper() {
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if (!this.fired) {
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this.target.removeListener(this.type, this.wrapFn);
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this.fired = true;
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switch (arguments.length) {
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case 0:
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return this.listener.call(this.target);
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case 1:
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return this.listener.call(this.target, arguments[0]);
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case 2:
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return this.listener.call(this.target, arguments[0], arguments[1]);
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case 3:
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return this.listener.call(this.target, arguments[0], arguments[1],
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arguments[2]);
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default:
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var args = new Array(arguments.length);
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for (var i = 0; i < args.length; ++i)
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args[i] = arguments[i];
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this.listener.apply(this.target, args);
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}
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}
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}
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function _onceWrap(target, type, listener) {
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var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
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var wrapped = bind.call(onceWrapper, state);
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wrapped.listener = listener;
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state.wrapFn = wrapped;
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return wrapped;
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}
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EventEmitter.prototype.once = function once(type, listener) {
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if (typeof listener !== 'function')
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throw new TypeError('"listener" argument must be a function');
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this.on(type, _onceWrap(this, type, listener));
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return this;
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};
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EventEmitter.prototype.prependOnceListener =
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function prependOnceListener(type, listener) {
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if (typeof listener !== 'function')
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throw new TypeError('"listener" argument must be a function');
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this.prependListener(type, _onceWrap(this, type, listener));
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return this;
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};
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// Emits a 'removeListener' event if and only if the listener was removed.
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EventEmitter.prototype.removeListener =
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function removeListener(type, listener) {
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var list, events, position, i, originalListener;
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if (typeof listener !== 'function')
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throw new TypeError('"listener" argument must be a function');
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events = this._events;
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if (!events)
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return this;
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list = events[type];
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if (!list)
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return this;
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if (list === listener || list.listener === listener) {
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if (--this._eventsCount === 0)
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this._events = objectCreate(null);
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else {
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delete events[type];
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if (events.removeListener)
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this.emit('removeListener', type, list.listener || listener);
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}
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} else if (typeof list !== 'function') {
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position = -1;
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for (i = list.length - 1; i >= 0; i--) {
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if (list[i] === listener || list[i].listener === listener) {
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originalListener = list[i].listener;
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position = i;
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break;
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}
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}
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if (position < 0)
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return this;
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if (position === 0)
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list.shift();
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else
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spliceOne(list, position);
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if (list.length === 1)
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events[type] = list[0];
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if (events.removeListener)
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this.emit('removeListener', type, originalListener || listener);
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}
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return this;
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};
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EventEmitter.prototype.removeAllListeners =
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function removeAllListeners(type) {
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var listeners, events, i;
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events = this._events;
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if (!events)
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return this;
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// not listening for removeListener, no need to emit
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if (!events.removeListener) {
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if (arguments.length === 0) {
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this._events = objectCreate(null);
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this._eventsCount = 0;
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} else if (events[type]) {
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if (--this._eventsCount === 0)
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this._events = objectCreate(null);
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else
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delete events[type];
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}
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return this;
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}
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// emit removeListener for all listeners on all events
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if (arguments.length === 0) {
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var keys = objectKeys(events);
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||||
var key;
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for (i = 0; i < keys.length; ++i) {
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key = keys[i];
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if (key === 'removeListener') continue;
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this.removeAllListeners(key);
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}
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this.removeAllListeners('removeListener');
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||||
this._events = objectCreate(null);
|
||||
this._eventsCount = 0;
|
||||
return this;
|
||||
}
|
||||
|
||||
listeners = events[type];
|
||||
|
||||
if (typeof listeners === 'function') {
|
||||
this.removeListener(type, listeners);
|
||||
} else if (listeners) {
|
||||
// LIFO order
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||||
for (i = listeners.length - 1; i >= 0; i--) {
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||||
this.removeListener(type, listeners[i]);
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||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
function _listeners(target, type, unwrap) {
|
||||
var events = target._events;
|
||||
|
||||
if (!events)
|
||||
return [];
|
||||
|
||||
var evlistener = events[type];
|
||||
if (!evlistener)
|
||||
return [];
|
||||
|
||||
if (typeof evlistener === 'function')
|
||||
return unwrap ? [evlistener.listener || evlistener] : [evlistener];
|
||||
|
||||
return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
|
||||
}
|
||||
|
||||
EventEmitter.prototype.listeners = function listeners(type) {
|
||||
return _listeners(this, type, true);
|
||||
};
|
||||
|
||||
EventEmitter.prototype.rawListeners = function rawListeners(type) {
|
||||
return _listeners(this, type, false);
|
||||
};
|
||||
|
||||
EventEmitter.listenerCount = function(emitter, type) {
|
||||
if (typeof emitter.listenerCount === 'function') {
|
||||
return emitter.listenerCount(type);
|
||||
} else {
|
||||
return listenerCount.call(emitter, type);
|
||||
}
|
||||
};
|
||||
|
||||
EventEmitter.prototype.listenerCount = listenerCount;
|
||||
function listenerCount(type) {
|
||||
var events = this._events;
|
||||
|
||||
if (events) {
|
||||
var evlistener = events[type];
|
||||
|
||||
if (typeof evlistener === 'function') {
|
||||
return 1;
|
||||
} else if (evlistener) {
|
||||
return evlistener.length;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
EventEmitter.prototype.eventNames = function eventNames() {
|
||||
return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : [];
|
||||
};
|
||||
|
||||
// About 1.5x faster than the two-arg version of Array#splice().
|
||||
function spliceOne(list, index) {
|
||||
for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1)
|
||||
list[i] = list[k];
|
||||
list.pop();
|
||||
}
|
||||
|
||||
function arrayClone(arr, n) {
|
||||
var copy = new Array(n);
|
||||
for (var i = 0; i < n; ++i)
|
||||
copy[i] = arr[i];
|
||||
return copy;
|
||||
}
|
||||
|
||||
function unwrapListeners(arr) {
|
||||
var ret = new Array(arr.length);
|
||||
for (var i = 0; i < ret.length; ++i) {
|
||||
ret[i] = arr[i].listener || arr[i];
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
function objectCreatePolyfill(proto) {
|
||||
var F = function() {};
|
||||
F.prototype = proto;
|
||||
return new F;
|
||||
}
|
||||
function objectKeysPolyfill(obj) {
|
||||
var keys = [];
|
||||
for (var k in obj) if (Object.prototype.hasOwnProperty.call(obj, k)) {
|
||||
keys.push(k);
|
||||
}
|
||||
return k;
|
||||
}
|
||||
function functionBindPolyfill(context) {
|
||||
var fn = this;
|
||||
return function () {
|
||||
return fn.apply(context, arguments);
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user