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