56 lines
2.1 KiB
TypeScript
56 lines
2.1 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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Zone.__load_patch('bluebird', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
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// TODO: @JiaLiPassion, we can automatically patch bluebird
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// if global.Promise = Bluebird, but sometimes in nodejs,
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// global.Promise is not Bluebird, and Bluebird is just be
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// used by other libraries such as sequelize, so I think it is
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// safe to just expose a method to patch Bluebird explicitly
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const BLUEBIRD = 'bluebird';
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(Zone as any)[Zone.__symbol__(BLUEBIRD)] = function patchBluebird(Bluebird: any) {
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// patch method of Bluebird.prototype which not using `then` internally
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const bluebirdApis: string[] = ['then', 'spread', 'finally'];
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bluebirdApis.forEach(bapi => {
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api.patchMethod(
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Bluebird.prototype, bapi, (delegate: Function) => (self: any, args: any[]) => {
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const zone = Zone.current;
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for (let i = 0; i < args.length; i++) {
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const func = args[i];
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if (typeof func === 'function') {
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args[i] = function() {
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const argSelf: any = this;
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const argArgs: any = arguments;
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return new Bluebird((res: any, rej: any) => {
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zone.scheduleMicroTask('Promise.then', () => {
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try {
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res(func.apply(argSelf, argArgs));
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} catch (error) {
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rej(error);
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}
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});
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});
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};
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}
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}
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return delegate.apply(self, args);
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});
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});
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Bluebird.onPossiblyUnhandledRejection(function(e: any, promise: any) {
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try {
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Zone.current.runGuarded(() => { throw e; });
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} catch (err) {
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api.onUnhandledError(err);
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}
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});
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// override global promise
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global[api.symbol('ZoneAwarePromise')] = Bluebird;
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};
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});
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