Skip to content

Instantly share code, notes, and snippets.

@robianmcd robianmcd/license

Last active Aug 14, 2018
Embed
What would you like to do?
Polyfill ES6 Promise in Angular 1.3+
var app = angular.module('myApp');
app.run(['$q', '$window', function($q, $window) {
$window.Promise = function(executor) {
return $q(executor);
};
$window.Promise.all = $q.all.bind($q);
$window.Promise.reject = $q.reject.bind($q);
$window.Promise.resolve = $q.when.bind($q);
$window.Promise.race = function(promises) {
var promiseMgr = $q.defer();
for(var i = 0; i < promises.length; i++) {
promises[i].then(function(result) {
if(promiseMgr) {
promiseMgr.resolve(result);
promiseMgr = null;
}
});
promises[i].catch(function(result) {
if(promiseMgr) {
promiseMgr.reject(result);
promiseMgr = null;
}
});
}
return promiseMgr.promise;
};
}]);
Copyright 2018 Rob McDiarmid
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.
var promise1 = new Promise((resolve, reject) => {
setTimeout(() => {
resolve('second');
}, 2000);
});
var promise2 = new Promise((resolve, reject) => {
setTimeout(() => {
resolve('first');
}, 1000);
});
Promise.race([promise1, promise2])
.then((result) => {
//Logs 'first'
console.log(result);
})
@aciccarello

This comment has been minimized.

Copy link

aciccarello commented Apr 12, 2017

If anyone is interested, this was published to npm via https://github.com/wilix-team/angular-promise-polyfill

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.