Created
July 5, 2016 07:49
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class F extends Promise { | |
onComplete(callback) { | |
this.then(callback, callback); | |
} | |
} | |
class P { | |
constructor() { | |
this.future = new F((resolve, reject) => { | |
this.trySuccess = resolve; | |
this.tryFailure = reject; | |
}); | |
} | |
onSuccess(callback) { | |
this.future.then(callback); | |
} | |
onFailure(callback) { | |
this.future.catch(callback); | |
} | |
} | |
const p = new P(); | |
p.onSuccess((...args) => console.log(1, args)); | |
p.onFailure((...args) => console.log(2, args)); | |
p.future.onComplete((...args) => console.log(3, args)); | |
setTimeout(() => { | |
p.trySuccess('Succeeded!'); | |
}, 1000); |
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