diff options
Diffstat (limited to 'node_modules/rxjs/dist/cjs/internal/operators/first.js')
| -rw-r--r-- | node_modules/rxjs/dist/cjs/internal/operators/first.js | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/cjs/internal/operators/first.js b/node_modules/rxjs/dist/cjs/internal/operators/first.js new file mode 100644 index 0000000..607da9f --- /dev/null +++ b/node_modules/rxjs/dist/cjs/internal/operators/first.js @@ -0,0 +1,17 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.first = void 0; +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
\ No newline at end of file |