better-npm-init
Version:
A better version of npm init, with templates and more. Usage: better-npm-init <template> [--yarn] [--install] [--git] [--yes] [--help]
15 lines • 690 B
JavaScript
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(); }));
};
}
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