source: trip-planner-front/node_modules/rxjs/internal/operators/first.js@ bdd6491

Last change on this file since bdd6491 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 814 bytes
Line 
1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3var EmptyError_1 = require("../util/EmptyError");
4var filter_1 = require("./filter");
5var take_1 = require("./take");
6var defaultIfEmpty_1 = require("./defaultIfEmpty");
7var throwIfEmpty_1 = require("./throwIfEmpty");
8var identity_1 = require("../util/identity");
9function first(predicate, defaultValue) {
10 var hasDefaultValue = arguments.length >= 2;
11 return function (source) { return source.pipe(predicate ? filter_1.filter(function (v, i) { return predicate(v, i, source); }) : identity_1.identity, take_1.take(1), hasDefaultValue ? defaultIfEmpty_1.defaultIfEmpty(defaultValue) : throwIfEmpty_1.throwIfEmpty(function () { return new EmptyError_1.EmptyError(); })); };
12}
13exports.first = first;
14//# sourceMappingURL=first.js.map
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