|
Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
|
initial commit
|
-
Property mode
set to
100644
|
|
File size:
763 bytes
|
| Line | |
|---|
| 1 | /** PURE_IMPORTS_START _util_EmptyError,_filter,_take,_defaultIfEmpty,_throwIfEmpty,_util_identity PURE_IMPORTS_END */
|
|---|
| 2 | import { EmptyError } from '../util/EmptyError';
|
|---|
| 3 | import { filter } from './filter';
|
|---|
| 4 | import { take } from './take';
|
|---|
| 5 | import { defaultIfEmpty } from './defaultIfEmpty';
|
|---|
| 6 | import { throwIfEmpty } from './throwIfEmpty';
|
|---|
| 7 | import { identity } from '../util/identity';
|
|---|
| 8 | export function first(predicate, defaultValue) {
|
|---|
| 9 | var hasDefaultValue = arguments.length >= 2;
|
|---|
| 10 | return function (source) { return source.pipe(predicate ? filter(function (v, i) { return predicate(v, i, source); }) : identity, take(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(function () { return new EmptyError(); })); };
|
|---|
| 11 | }
|
|---|
| 12 | //# sourceMappingURL=first.js.map
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
