hkt-toolbelt/object/pick.js

Functional and composable type utilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.pick = void 0;
/**
 * Given a list of keys and an object, return a new object with only the
 * specified keys.
 *
 * @param {PropertyKey[]} k - The list of keys to pick.
 * @param {Record<PropertyKey, unknown>} o - The object to pick from.
 *
 * @example
 * ```ts
 * import { Object } from "hkt-toolbelt";
 *
 * const result = Object.pick(['foo'])({ foo: 'bar', baz: 'qux' })
 * //    ^? { foo: 'bar' }
 * ```
 */
exports.pick = ((k) => (o) => {
    const result = {};
    for (const key of k) {
        result[key] = o[key];
    }
    return result;
});