1 import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';
2 import { filter } from './filter';
3 import { throwIfEmpty } from './throwIfEmpty';
4 import { defaultIfEmpty } from './defaultIfEmpty';
5 import { take } from './take';
6 export function elementAt(index, defaultValue) {
8 throw new ArgumentOutOfRangeError();
10 const hasDefaultValue = arguments.length >= 2;
11 return (source) => source.pipe(filter((v, i) => i === index), take(1), hasDefaultValue
12 ? defaultIfEmpty(defaultValue)
13 : throwIfEmpty(() => new ArgumentOutOfRangeError()));
15 //# sourceMappingURL=elementAt.js.map