@reactivex/ix-esnext-esm
Version:
The Interactive Extensions for JavaScript
21 lines (19 loc) • 482 B
JavaScript
import { identity } from '../util/identity';
export function min(source, fn = identity) {
let atleastOnce = false;
let value = Infinity;
for (const item of source) {
if (!atleastOnce) {
atleastOnce = true;
}
const x = fn(item);
if (x < value) {
value = x;
}
}
if (!atleastOnce) {
throw new Error('Sequence contains no elements');
}
return value;
}
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