update

node_modules/pinkie/index.js

@@ -0,0 +1,292 @@
+'use strict';
+
+var PENDING = 'pending';
+var SETTLED = 'settled';
+var FULFILLED = 'fulfilled';
+var REJECTED = 'rejected';
+var NOOP = function () {};
+var isNode = typeof global !== 'undefined' && typeof global.process !== 'undefined' && typeof global.process.emit === 'function';
+
+var asyncSetTimer = typeof setImmediate === 'undefined' ? setTimeout : setImmediate;
+var asyncQueue = [];
+var asyncTimer;
+
+function asyncFlush() {
+	// run promise callbacks
+	for (var i = 0; i < asyncQueue.length; i++) {
+		asyncQueue[i][0](asyncQueue[i][1]);
+	}
+
+	// reset async asyncQueue
+	asyncQueue = [];
+	asyncTimer = false;
+}
+
+function asyncCall(callback, arg) {
+	asyncQueue.push([callback, arg]);
+
+	if (!asyncTimer) {
+		asyncTimer = true;
+		asyncSetTimer(asyncFlush, 0);
+	}
+}
+
+function invokeResolver(resolver, promise) {
+	function resolvePromise(value) {
+		resolve(promise, value);
+	}
+
+	function rejectPromise(reason) {
+		reject(promise, reason);
+	}
+
+	try {
+		resolver(resolvePromise, rejectPromise);
+	} catch (e) {
+		rejectPromise(e);
+	}
+}
+
+function invokeCallback(subscriber) {
+	var owner = subscriber.owner;
+	var settled = owner._state;
+	var value = owner._data;
+	var callback = subscriber[settled];
+	var promise = subscriber.then;
+
+	if (typeof callback === 'function') {
+		settled = FULFILLED;
+		try {
+			value = callback(value);
+		} catch (e) {
+			reject(promise, e);
+		}
+	}
+
+	if (!handleThenable(promise, value)) {
+		if (settled === FULFILLED) {
+			resolve(promise, value);
+		}
+
+		if (settled === REJECTED) {
+			reject(promise, value);
+		}
+	}
+}
+
+function handleThenable(promise, value) {
+	var resolved;
+
+	try {
+		if (promise === value) {
+			throw new TypeError('A promises callback cannot return that same promise.');
+		}
+
+		if (value && (typeof value === 'function' || typeof value === 'object')) {
+			// then should be retrieved only once
+			var then = value.then;
+
+			if (typeof then === 'function') {
+				then.call(value, function (val) {
+					if (!resolved) {
+						resolved = true;
+
+						if (value === val) {
+							fulfill(promise, val);
+						} else {
+							resolve(promise, val);
+						}
+					}
+				}, function (reason) {
+					if (!resolved) {
+						resolved = true;
+
+						reject(promise, reason);
+					}
+				});
+
+				return true;
+			}
+		}
+	} catch (e) {
+		if (!resolved) {
+			reject(promise, e);
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+function resolve(promise, value) {
+	if (promise === value || !handleThenable(promise, value)) {
+		fulfill(promise, value);
+	}
+}
+
+function fulfill(promise, value) {
+	if (promise._state === PENDING) {
+		promise._state = SETTLED;
+		promise._data = value;
+
+		asyncCall(publishFulfillment, promise);
+	}
+}
+
+function reject(promise, reason) {
+	if (promise._state === PENDING) {
+		promise._state = SETTLED;
+		promise._data = reason;
+
+		asyncCall(publishRejection, promise);
+	}
+}
+
+function publish(promise) {
+	promise._then = promise._then.forEach(invokeCallback);
+}
+
+function publishFulfillment(promise) {
+	promise._state = FULFILLED;
+	publish(promise);
+}
+
+function publishRejection(promise) {
+	promise._state = REJECTED;
+	publish(promise);
+	if (!promise._handled && isNode) {
+		global.process.emit('unhandledRejection', promise._data, promise);
+	}
+}
+
+function notifyRejectionHandled(promise) {
+	global.process.emit('rejectionHandled', promise);
+}
+
+/**
+ * @class
+ */
+function Promise(resolver) {
+	if (typeof resolver !== 'function') {
+		throw new TypeError('Promise resolver ' + resolver + ' is not a function');
+	}
+
+	if (this instanceof Promise === false) {
+		throw new TypeError('Failed to construct \'Promise\': Please use the \'new\' operator, this object constructor cannot be called as a function.');
+	}
+
+	this._then = [];
+
+	invokeResolver(resolver, this);
+}
+
+Promise.prototype = {
+	constructor: Promise,
+
+	_state: PENDING,
+	_then: null,
+	_data: undefined,
+	_handled: false,
+
+	then: function (onFulfillment, onRejection) {
+		var subscriber = {
+			owner: this,
+			then: new this.constructor(NOOP),
+			fulfilled: onFulfillment,
+			rejected: onRejection
+		};
+
+		if ((onRejection || onFulfillment) && !this._handled) {
+			this._handled = true;
+			if (this._state === REJECTED && isNode) {
+				asyncCall(notifyRejectionHandled, this);
+			}
+		}
+
+		if (this._state === FULFILLED || this._state === REJECTED) {
+			// already resolved, call callback async
+			asyncCall(invokeCallback, subscriber);
+		} else {
+			// subscribe
+			this._then.push(subscriber);
+		}
+
+		return subscriber.then;
+	},
+
+	catch: function (onRejection) {
+		return this.then(null, onRejection);
+	}
+};
+
+Promise.all = function (promises) {
+	if (!Array.isArray(promises)) {
+		throw new TypeError('You must pass an array to Promise.all().');
+	}
+
+	return new Promise(function (resolve, reject) {
+		var results = [];
+		var remaining = 0;
+
+		function resolver(index) {
+			remaining++;
+			return function (value) {
+				results[index] = value;
+				if (!--remaining) {
+					resolve(results);
+				}
+			};
+		}
+
+		for (var i = 0, promise; i < promises.length; i++) {
+			promise = promises[i];
+
+			if (promise && typeof promise.then === 'function') {
+				promise.then(resolver(i), reject);
+			} else {
+				results[i] = promise;
+			}
+		}
+
+		if (!remaining) {
+			resolve(results);
+		}
+	});
+};
+
+Promise.race = function (promises) {
+	if (!Array.isArray(promises)) {
+		throw new TypeError('You must pass an array to Promise.race().');
+	}
+
+	return new Promise(function (resolve, reject) {
+		for (var i = 0, promise; i < promises.length; i++) {
+			promise = promises[i];
+
+			if (promise && typeof promise.then === 'function') {
+				promise.then(resolve, reject);
+			} else {
+				resolve(promise);
+			}
+		}
+	});
+};
+
+Promise.resolve = function (value) {
+	if (value && typeof value === 'object' && value.constructor === Promise) {
+		return value;
+	}
+
+	return new Promise(function (resolve) {
+		resolve(value);
+	});
+};
+
+Promise.reject = function (reason) {
+	return new Promise(function (resolve, reject) {
+		reject(reason);
+	});
+};
+
+module.exports = Promise;