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on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | /** PURE_IMPORTS_START _util_ArgumentOutOfRangeError,_filter,_throwIfEmpty,_defaultIfEmpty,_take PURE_IMPORTS_END */
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| 2 | import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';
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| 3 | import { filter } from './filter';
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| 4 | import { throwIfEmpty } from './throwIfEmpty';
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| 5 | import { defaultIfEmpty } from './defaultIfEmpty';
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| 6 | import { take } from './take';
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| 7 | export function elementAt(index, defaultValue) {
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| 8 | if (index < 0) {
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| 9 | throw new ArgumentOutOfRangeError();
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| 10 | }
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| 11 | var hasDefaultValue = arguments.length >= 2;
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| 12 | return function (source) {
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| 13 | return source.pipe(filter(function (v, i) { return i === index; }), take(1), hasDefaultValue
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| 14 | ? defaultIfEmpty(defaultValue)
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| 15 | : throwIfEmpty(function () { return new ArgumentOutOfRangeError(); }));
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| 16 | };
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| 17 | }
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| 18 | //# sourceMappingURL=elementAt.js.map
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