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4.6 KiB
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4.6 KiB
2 years ago
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{"version":3,"file":"DeferObservable.js","sourceRoot":"","sources":["../../src/observable/DeferObservable.ts"],"names":[],"mappings":";;;;;;AAAA,2BAAkD,eAAe,CAAC,CAAA;AAIlE,kCAAkC,2BAA2B,CAAC,CAAA;AAC9D,gCAAgC,oBAAoB,CAAC,CAAA;AACrD;;;;GAIG;AACH;IAAwC,mCAAa;IAoDnD,yBAAoB,iBAAwD;QAC1E,iBAAO,CAAC;QADU,sBAAiB,GAAjB,iBAAiB,CAAuC;IAE5E,CAAC;IApDD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;OA6CG;IACI,sBAAM,GAAb,UAAiB,iBAAwD;QACvE,MAAM,CAAC,IAAI,eAAe,CAAC,iBAAiB,CAAC,CAAC;IAChD,CAAC;IAMD,oCAAoC,CAAC,oCAAU,GAAV,UAAW,UAAyB;QACvE,MAAM,CAAC,IAAI,eAAe,CAAC,UAAU,EAAE,IAAI,CAAC,iBAAiB,CAAC,CAAC;IACjE,CAAC;IACH,sBAAC;AAAD,CAAC,AA3DD,CAAwC,uBAAU,GA2DjD;AA3DY,uBAAe,kBA2D3B,CAAA;AAED;IAAiC,mCAAqB;IACpD,yBAAY,WAA0B,EAClB,OAA8C;QAChE,kBAAM,WAAW,CAAC,CAAC;QADD,YAAO,GAAP,OAAO,CAAuC;QAEhE,IAAI,CAAC,QAAQ,EAAE,CAAC;IAClB,CAAC;IAEO,kCAAQ,GAAhB;QACE,IAAI,CAAC;YACH,IAAI,CAAC,YAAY,EAAE,CAAC;QACtB,CAAE;QAAA,KAAK,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;YACb,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;QACnB,CAAC;IACH,CAAC;IAEO,sCAAY,GAApB;QACE,IAAM,MAAM,GAAG,IAAI,CAAC,OAAO,EAAE,CAAC;QAC9B,EAAE,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC;YACX,IAAI,CAAC,GAAG,CAAC,qCAAiB,CAAC,IAAI,EAAE,MAAM,CAAC,CAAC,CAAC;QAC5C,CAAC;IACH,CAAC;IACH,sBAAC;AAAD,CAAC,AArBD,CAAiC,iCAAe,GAqB/C","sourcesContent":["import { Observable, SubscribableOrPromise } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\n\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { OuterSubscriber } from '../OuterSubscriber';\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @extends {Ignored}\n * @hide true\n */\nexport class DeferObservable<T> extends Observable<T> {\n\n /**\n * Creates an Observable that, on subscribe, calls an Observable factory to\n * make an Observable for each new Observer.\n *\n * <span class=\"informal\">Creates the Observable lazily, that is, only when it\n * is subscribed.\n * </span>\n *\n * <img src=\"./img/defer.png\" width=\"100%\">\n *\n * `defer` allows you to create the Observable only when the Observer\n * subscribes, and create a fresh Observable for each Observer. It waits until\n * an Observer subscribes to it, and then it generates an Observable,\n * typically with an Observable factory function. It does this afresh for each\n * subscriber, so although each subscriber may think it is subscribing to the\n * same Observable, in fact each subscriber gets its own individual\n * Observable.\n *\n * @example <caption>Subscribe to either an Observable of clicks or an Observable of interval, at random</caption>\n * var clicksOrInterval = Rx.Observable.defer(function () {\n * if (Math.random() > 0.5) {\n * return Rx.Observable.fromEvent(document, 'click');\n * } else {\n * return Rx.Observable.interval(1000);\n * }\n * });\n * clicksOrInterval.subscribe(x => console.log(x));\n *\n * // Results in the following behavior:\n * // If the result of Math.random() is greater than 0.5 it will listen\n * // for clicks anywhere on the \"document\"; when document is clicked it\n * // will log a MouseEvent object to the console. If the result is less\n * // than 0.5 it will emit ascending numbers, one every second(1000ms).\n *\n * @see {@link create}\n *\n * @param {function(): SubscribableOrPromise} observableFactory The Observable\n * factory function to invoke for each Observer that subscribes to the output\n * Observable. May also return a Promise, which will be converted on the fly\n * to an Observable.\n * @return {Observable} An Observable whose Observers' subscriptions trigger\n * an invocation of the given Observable factory function.\n * @static true\n * @name defer\n * @owner Observable\n */\n static create<T>(observableFactory: () => SubscribableOrPromise<T> | void): Observable<T> {\n return new DeferObservable(observableFactory);\n }\n\n constructor(private observableFactory: () => SubscribableOrPromise<T> | void) {\n super();\n }\n\n /** @deprecated internal use only */ _subscribe(subscr
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