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33 lines
1.1 KiB
33 lines
1.1 KiB
"use strict"; |
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var mapTo_1 = require('../operators/mapTo'); |
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/** |
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* Emits the given constant value on the output Observable every time the source |
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* Observable emits a value. |
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* |
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* <span class="informal">Like {@link map}, but it maps every source value to |
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* the same output value every time.</span> |
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* |
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* <img src="./img/mapTo.png" width="100%"> |
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* |
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* Takes a constant `value` as argument, and emits that whenever the source |
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* Observable emits a value. In other words, ignores the actual source value, |
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* and simply uses the emission moment to know when to emit the given `value`. |
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* |
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* @example <caption>Map every click to the string 'Hi'</caption> |
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* var clicks = Rx.Observable.fromEvent(document, 'click'); |
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* var greetings = clicks.mapTo('Hi'); |
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* greetings.subscribe(x => console.log(x)); |
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* |
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* @see {@link map} |
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* |
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* @param {any} value The value to map each source value to. |
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* @return {Observable} An Observable that emits the given `value` every time |
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* the source Observable emits something. |
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* @method mapTo |
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* @owner Observable |
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*/ |
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function mapTo(value) { |
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return mapTo_1.mapTo(value)(this); |
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} |
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exports.mapTo = mapTo; |
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//# sourceMappingURL=mapTo.js.map
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