@queso/pick-by/pickBy.js

Creates an object composed of the object properties for which predicate returns truthy.

'use strict';

/**
 * Creates an object composed of the object properties for which predicate returns truthy.
 * @category Object
 * @param object The source object.
 * @param predicate The function invoked per property.
 * @returns The new object.
 * @example
const obj = { a: 0, b: '', c: true, d: 'hello' }

pickBy(obj)
// => { c: true, d: 'hello' }
 */
function pickBy(object, predicate = v => v) {
	return Object.keys(object).reduce((result, key) => {
		const value = object[key];
		if (predicate(value, key)) {
			result[key] = value;
		}
		return result
	}, {})
}

module.exports = pickBy;
pickBy.default = module.exports