mirror of https://github.com/jkjoy/sunpeiwen.git
104 lines
2.7 KiB
JavaScript
104 lines
2.7 KiB
JavaScript
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"use strict";
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module.exports = function(Promise) {
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function PromiseInspection(promise) {
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if (promise !== undefined) {
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promise = promise._target();
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this._bitField = promise._bitField;
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this._settledValueField = promise._isFateSealed()
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? promise._settledValue() : undefined;
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}
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else {
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this._bitField = 0;
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this._settledValueField = undefined;
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}
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}
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PromiseInspection.prototype._settledValue = function() {
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return this._settledValueField;
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};
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var value = PromiseInspection.prototype.value = function () {
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if (!this.isFulfilled()) {
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throw new TypeError("cannot get fulfillment value of a non-fulfilled promise\u000a\u000a See http://goo.gl/MqrFmX\u000a");
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}
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return this._settledValue();
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};
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var reason = PromiseInspection.prototype.error =
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PromiseInspection.prototype.reason = function () {
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if (!this.isRejected()) {
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throw new TypeError("cannot get rejection reason of a non-rejected promise\u000a\u000a See http://goo.gl/MqrFmX\u000a");
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}
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return this._settledValue();
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};
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var isFulfilled = PromiseInspection.prototype.isFulfilled = function() {
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return (this._bitField & 33554432) !== 0;
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};
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var isRejected = PromiseInspection.prototype.isRejected = function () {
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return (this._bitField & 16777216) !== 0;
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};
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var isPending = PromiseInspection.prototype.isPending = function () {
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return (this._bitField & 50397184) === 0;
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};
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var isResolved = PromiseInspection.prototype.isResolved = function () {
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return (this._bitField & 50331648) !== 0;
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};
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PromiseInspection.prototype.isCancelled = function() {
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return (this._bitField & 8454144) !== 0;
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};
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Promise.prototype.__isCancelled = function() {
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return (this._bitField & 65536) === 65536;
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};
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Promise.prototype._isCancelled = function() {
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return this._target().__isCancelled();
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};
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Promise.prototype.isCancelled = function() {
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return (this._target()._bitField & 8454144) !== 0;
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};
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Promise.prototype.isPending = function() {
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return isPending.call(this._target());
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};
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Promise.prototype.isRejected = function() {
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return isRejected.call(this._target());
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};
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Promise.prototype.isFulfilled = function() {
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return isFulfilled.call(this._target());
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};
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Promise.prototype.isResolved = function() {
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return isResolved.call(this._target());
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};
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Promise.prototype.value = function() {
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return value.call(this._target());
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};
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Promise.prototype.reason = function() {
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var target = this._target();
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target._unsetRejectionIsUnhandled();
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return reason.call(target);
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};
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Promise.prototype._value = function() {
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return this._settledValue();
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};
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Promise.prototype._reason = function() {
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this._unsetRejectionIsUnhandled();
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return this._settledValue();
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};
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Promise.PromiseInspection = PromiseInspection;
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};
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