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2.7 KiB
1 lines
2.7 KiB
{"version":3,"file":"debounce.js","sourceRoot":"","sources":["../../src/operator/debounce.ts"],"names":[],"mappings":";AAEA,yBAAwC,uBAAuB,CAAC,CAAA;AAEhE;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GAyCG;AACH,kBAAiD,gBAA6D;IAC5G,MAAM,CAAC,mBAAW,CAAC,gBAAgB,CAAC,CAAC,IAAI,CAAC,CAAC;AAC7C,CAAC;AAFe,gBAAQ,WAEvB,CAAA","sourcesContent":["\nimport { Observable, SubscribableOrPromise } from '../Observable';\nimport { debounce as higherOrder } from '../operators/debounce';\n\n/**\n * Emits a value from the source Observable only after a particular time span\n * determined by another Observable has passed without another source emission.\n *\n * <span class=\"informal\">It's like {@link debounceTime}, but the time span of\n * emission silence is determined by a second Observable.</span>\n *\n * <img src=\"./img/debounce.png\" width=\"100%\">\n *\n * `debounce` delays values emitted by the source Observable, but drops previous\n * pending delayed emissions if a new value arrives on the source Observable.\n * This operator keeps track of the most recent value from the source\n * Observable, and spawns a duration Observable by calling the\n * `durationSelector` function. The value is emitted only when the duration\n * Observable emits a value or completes, and if no other value was emitted on\n * the source Observable since the duration Observable was spawned. If a new\n * value appears before the duration Observable emits, the previous value will\n * be dropped and will not be emitted on the output Observable.\n *\n * Like {@link debounceTime}, this is a rate-limiting operator, and also a\n * delay-like operator since output emissions do not necessarily occur at the\n * same time as they did on the source Observable.\n *\n * @example <caption>Emit the most recent click after a burst of clicks</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * var result = clicks.debounce(() => Rx.Observable.interval(1000));\n * result.subscribe(x => console.log(x));\n *\n * @see {@link audit}\n * @see {@link debounceTime}\n * @see {@link delayWhen}\n * @see {@link throttle}\n *\n * @param {function(value: T): SubscribableOrPromise} durationSelector A function\n * that receives a value from the source Observable, for computing the timeout\n * duration for each source value, returned as an Observable or a Promise.\n * @return {Observable} An Observable that delays the emissions of the source\n * Observable by the specified duration Observable returned by\n * `durationSelector`, and may drop some values if they occur too frequently.\n * @method debounce\n * @owner Observable\n */\nexport function debounce<T>(this: Observable<T>, durationSelector: (value: T) => SubscribableOrPromise<number>): Observable<T> {\n return higherOrder(durationSelector)(this);\n}\n"]} |