Created
July 29, 2016 07:34
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Polyfill to add a finally() method to the Promise object
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| Promise.prototype.finally = function (callback) { | |
| return this.then( | |
| value => this.constructor.resolve(callback()).then(() => value), | |
| reason => this.constructor.resolve(callback()).then(() => { throw reason }) | |
| ) | |
| } |
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