gnezim
32 lines
1.5 KiB
JavaScript
32 lines
1.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var operators_1 = require("rxjs/operators");
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/* tslint:enable:max-line-length */
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/**
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* Returns an Observable that emits only the last item emitted by the source Observable.
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* It optionally takes a predicate function as a parameter, in which case, rather than emitting
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* the last item from the source Observable, the resulting Observable will emit the last item
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* from the source Observable that satisfies the predicate.
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*
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* <img src="./img/last.png" width="100%">
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*
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* @throws {EmptyError} Delivers an EmptyError to the Observer's `error`
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* callback if the Observable completes before any `next` notification was sent.
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* @param {function} [predicate] - The condition any source emitted item has to satisfy.
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* @param {any} [defaultValue] - The default value to use if the predicate isn't
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* satisfied, or no values were emitted (if no predicate).
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* @return {Observable} An Observable that emits only the last item satisfying the given condition
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* from the source, or an NoSuchElementException if no such items are emitted.
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* @throws - Throws if no items that match the predicate are emitted by the source Observable.
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* @method last
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* @owner Observable
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*/
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function last() {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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return operators_1.last.apply(void 0, args)(this);
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}
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exports.last = last;
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//# sourceMappingURL=last.js.map
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