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node_modules/rxjs/operator/mapTo.d.ts

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+import { Observable } from '../Observable';
+/**
+ * Emits the given constant value on the output Observable every time the source
+ * Observable emits a value.
+ *
+ * <span class="informal">Like {@link map}, but it maps every source value to
+ * the same output value every time.</span>
+ *
+ * <img src="./img/mapTo.png" width="100%">
+ *
+ * Takes a constant `value` as argument, and emits that whenever the source
+ * Observable emits a value. In other words, ignores the actual source value,
+ * and simply uses the emission moment to know when to emit the given `value`.
+ *
+ * @example <caption>Map every click to the string 'Hi'</caption>
+ * var clicks = Rx.Observable.fromEvent(document, 'click');
+ * var greetings = clicks.mapTo('Hi');
+ * greetings.subscribe(x => console.log(x));
+ *
+ * @see {@link map}
+ *
+ * @param {any} value The value to map each source value to.
+ * @return {Observable} An Observable that emits the given `value` every time
+ * the source Observable emits something.
+ * @method mapTo
+ * @owner Observable
+ */
+export declare function mapTo<T, R>(this: Observable<T>, value: R): Observable<R>;