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TableFilter/test/libs/polyfill.js

360 lines
7.3 KiB
JavaScript

// PhantomJS doesn't support bind yet
// https://github.com/ariya/phantomjs/issues/10522
Function.prototype.bind = Function.prototype.bind || function (thisp) {
var fn = this;
return function () {
return fn.apply(thisp, arguments);
};
};
/* eslint-disable */
// https://raw.githubusercontent.com/lahmatiy/es6-promise-polyfill/master/promise.js
(function(global){
//
// Check for native Promise and it has correct interface
//
var NativePromise = global['Promise'];
var nativePromiseSupported =
NativePromise &&
// Some of these methods are missing from
// Firefox/Chrome experimental implementations
'resolve' in NativePromise &&
'reject' in NativePromise &&
'all' in NativePromise &&
'race' in NativePromise &&
// Older version of the spec had a resolver object
// as the arg rather than a function
(function(){
var resolve;
new NativePromise(function(r){ resolve = r; });
return typeof resolve === 'function';
})();
//
// export if necessary
//
if (typeof exports !== 'undefined' && exports)
{
// node.js
exports.Promise = nativePromiseSupported ? NativePromise : Promise;
exports.Polyfill = Promise;
}
else
{
// AMD
if (typeof define == 'function' && define.amd)
{
define(function(){
return nativePromiseSupported ? NativePromise : Promise;
});
}
else
{
// in browser add to global
if (!nativePromiseSupported)
global['Promise'] = Promise;
}
}
//
// Polyfill
//
var PENDING = 'pending';
var SEALED = 'sealed';
var FULFILLED = 'fulfilled';
var REJECTED = 'rejected';
var NOOP = function(){};
function isArray(value) {
return Object.prototype.toString.call(value) === '[object Array]';
}
// async calls
var asyncSetTimer = typeof setImmediate !== 'undefined' ? setImmediate : setTimeout;
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'))
{
var then = value.then; // then should be retrived only once
if (typeof then === 'function')
{
then.call(value, function(val){
if (!resolved)
{
resolved = true;
if (value !== val)
resolve(promise, val);
else
fulfill(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_ = SEALED;
promise.data_ = value;
asyncCall(publishFulfillment, promise);
}
}
function reject(promise, reason){
if (promise.state_ === PENDING)
{
promise.state_ = SEALED;
promise.data_ = reason;
asyncCall(publishRejection, promise);
}
}
function publish(promise) {
var callbacks = promise.then_;
promise.then_ = undefined;
for (var i = 0; i < callbacks.length; i++) {
invokeCallback(callbacks[i]);
}
}
function publishFulfillment(promise){
promise.state_ = FULFILLED;
publish(promise);
}
function publishRejection(promise){
promise.state_ = REJECTED;
publish(promise);
}
/**
* @class
*/
function Promise(resolver){
if (typeof resolver !== 'function')
throw new TypeError('Promise constructor takes a function argument');
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,
then: function(onFulfillment, onRejection){
var subscriber = {
owner: this,
then: new this.constructor(NOOP),
fulfilled: onFulfillment,
rejected: onRejection
};
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){
var Class = this;
if (!isArray(promises))
throw new TypeError('You must pass an array to Promise.all().');
return new Class(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){
var Class = this;
if (!isArray(promises))
throw new TypeError('You must pass an array to Promise.race().');
return new Class(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){
var Class = this;
if (value && typeof value === 'object' && value.constructor === Class)
return value;
return new Class(function(resolve){
resolve(value);
});
};
Promise.reject = function(reason){
var Class = this;
return new Class(function(resolve, reject){
reject(reason);
});
};
})(typeof window != 'undefined' ? window : typeof global != 'undefined' ? global : typeof self != 'undefined' ? self : this);