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Diffstat (limited to 'node_modules/rxjs/dist/esm5/internal/operators/elementAt.js')
| -rw-r--r-- | node_modules/rxjs/dist/esm5/internal/operators/elementAt.js | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm5/internal/operators/elementAt.js b/node_modules/rxjs/dist/esm5/internal/operators/elementAt.js new file mode 100644 index 0000000..4d53c66 --- /dev/null +++ b/node_modules/rxjs/dist/esm5/internal/operators/elementAt.js @@ -0,0 +1,15 @@ +import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError'; +import { filter } from './filter'; +import { throwIfEmpty } from './throwIfEmpty'; +import { defaultIfEmpty } from './defaultIfEmpty'; +import { take } from './take'; +export function elementAt(index, defaultValue) { + if (index < 0) { + throw new ArgumentOutOfRangeError(); + } + var hasDefaultValue = arguments.length >= 2; + return function (source) { + return source.pipe(filter(function (v, i) { return i === index; }), take(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(function () { return new ArgumentOutOfRangeError(); })); + }; +} +//# sourceMappingURL=elementAt.js.map
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