63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var Promise = require('./core.js');
|
||
|
|
|
||
|
|
module.exports = Promise;
|
||
|
|
Promise.enableSynchronous = function () {
|
||
|
|
Promise.prototype.isPending = function() {
|
||
|
|
return this.getState() == 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
Promise.prototype.isFulfilled = function() {
|
||
|
|
return this.getState() == 1;
|
||
|
|
};
|
||
|
|
|
||
|
|
Promise.prototype.isRejected = function() {
|
||
|
|
return this.getState() == 2;
|
||
|
|
};
|
||
|
|
|
||
|
|
Promise.prototype.getValue = function () {
|
||
|
|
if (this._V === 3) {
|
||
|
|
return this._W.getValue();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!this.isFulfilled()) {
|
||
|
|
throw new Error('Cannot get a value of an unfulfilled promise.');
|
||
|
|
}
|
||
|
|
|
||
|
|
return this._W;
|
||
|
|
};
|
||
|
|
|
||
|
|
Promise.prototype.getReason = function () {
|
||
|
|
if (this._V === 3) {
|
||
|
|
return this._W.getReason();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!this.isRejected()) {
|
||
|
|
throw new Error('Cannot get a rejection reason of a non-rejected promise.');
|
||
|
|
}
|
||
|
|
|
||
|
|
return this._W;
|
||
|
|
};
|
||
|
|
|
||
|
|
Promise.prototype.getState = function () {
|
||
|
|
if (this._V === 3) {
|
||
|
|
return this._W.getState();
|
||
|
|
}
|
||
|
|
if (this._V === -1 || this._V === -2) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return this._V;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
Promise.disableSynchronous = function() {
|
||
|
|
Promise.prototype.isPending = undefined;
|
||
|
|
Promise.prototype.isFulfilled = undefined;
|
||
|
|
Promise.prototype.isRejected = undefined;
|
||
|
|
Promise.prototype.getValue = undefined;
|
||
|
|
Promise.prototype.getReason = undefined;
|
||
|
|
Promise.prototype.getState = undefined;
|
||
|
|
};
|