| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| var EmptyError_1 = require("../util/EmptyError"); |
| var filter_1 = require("./filter"); |
| var take_1 = require("./take"); |
| var defaultIfEmpty_1 = require("./defaultIfEmpty"); |
| var throwIfEmpty_1 = require("./throwIfEmpty"); |
| var identity_1 = require("../util/identity"); |
| function first(predicate, defaultValue) { |
| var hasDefaultValue = arguments.length >= 2; |
| 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(); })); }; |
| } |
| exports.first = first; |
| //# sourceMappingURL=first.js.map |
