98 lines
2.4 KiB
JavaScript
98 lines
2.4 KiB
JavaScript
import {int, global, isPresent} from 'angular2/src/facade/lang';
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import {List} from 'angular2/src/facade/collection';
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import Rx from 'rx/dist/rx.all';
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export var Promise = global.Promise;
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export class PromiseWrapper {
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static resolve(obj):Promise {
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return Promise.resolve(obj);
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}
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static reject(obj):Promise {
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return Promise.reject(obj);
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}
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// Note: We can't rename this method into `catch`, as this is not a valid
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// method name in Dart.
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static catchError(promise:Promise, onError:Function):Promise {
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return promise.catch(onError);
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}
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static all(promises:List):Promise {
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if (promises.length == 0) return Promise.resolve([]);
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return Promise.all(promises);
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}
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static then(promise:Promise, success:Function, rejection:Function):Promise {
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return promise.then(success, rejection);
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}
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static completer() {
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var resolve;
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var reject;
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var p = new Promise(function(res, rej) {
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resolve = res;
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reject = rej;
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});
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return {
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promise: p,
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resolve: resolve,
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reject: reject
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};
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}
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static setTimeout(fn:Function, millis:int) {
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global.setTimeout(fn, millis);
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}
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static isPromise(maybePromise):boolean {
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return maybePromise instanceof Promise;
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}
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}
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/**
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* Use Rx.Observable but provides an adapter to make it work as specified here:
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* https://github.com/jhusain/observable-spec
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*
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* Once a reference implementation of the spec is available, switch to it.
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*/
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export var Observable = Rx.Observable;
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export var ObservableController = Rx.Subject;
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export class ObservableWrapper {
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static createController():Rx.Subject {
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return new Rx.Subject();
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}
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static createObservable(subject:Rx.Subject):Observable {
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return subject;
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}
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static subscribe(observable:Observable, generatorOrOnNext, onThrow = null, onReturn = null) {
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if (isPresent(generatorOrOnNext.next)) {
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return observable.observeOn(Rx.Scheduler.timeout).subscribe(
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(value) => generatorOrOnNext.next(value),
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(error) => generatorOrOnNext.throw(error),
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() => generatorOrOnNext.return()
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);
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} else {
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return observable.observeOn(Rx.Scheduler.timeout).subscribe(generatorOrOnNext, onThrow, onReturn);
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}
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}
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static callNext(subject:Rx.Subject, value:any) {
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subject.onNext(value);
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}
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static callThrow(subject:Rx.Subject, error:any) {
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subject.onError(error);
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}
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static callReturn(subject:Rx.Subject) {
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subject.onCompleted();
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}
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} |