WIP - add extractor, generate snippet_data

This commit is contained in:
Stefan Fejes
2019-08-20 15:52:05 +02:00
parent 88084d3d30
commit cc8f1d8a7a
37396 changed files with 4588842 additions and 133 deletions

View File

@@ -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();
}
const hasDefaultValue = arguments.length >= 2;
return (source) => source.pipe(filter((v, i) => i === index), take(1), hasDefaultValue
? defaultIfEmpty(defaultValue)
: throwIfEmpty(() => new ArgumentOutOfRangeError()));
}
//# sourceMappingURL=elementAt.js.map