signal-desktop/ts/util/makeLookup.ts
2019-03-12 17:44:14 -07:00

12 lines
318 B
TypeScript

import { fromPairs, map } from 'lodash';
export function makeLookup<T>(
items: Array<T>,
key: string
): { [key: string]: T } {
// Yep, we can't index into item without knowing what it is. True. But we want to.
// @ts-ignore
const pairs = map(items, item => [item[key], item]);
return fromPairs(pairs);
}