super-utils-plus/dist/object/pick.js

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/**
 * Creates an object composed of the picked object properties.
 *
 * @param object - The source object
 * @param paths - The property paths to pick
 * @returns The new object
 *
 * @example
 * ```ts
 * const object = { 'a': 1, 'b': 2, 'c': 3 };
 *
 * pick(object, ['a', 'c']);
 * // => { 'a': 1, 'c': 3 }
 * ```
 */
export function pick(object, paths) {
    if (!object || !paths.length) {
        return {};
    }
    const result = {};
    for (const path of paths) {
        if (Object.prototype.hasOwnProperty.call(object, path)) {
            result[path] = object[path];
        }
    }
    return result;
}
/**
 * Creates an object composed of the object properties predicate returns truthy for.
 *
 * @param object - The source object
 * @param predicate - The function invoked per property
 * @returns The new object
 *
 * @example
 * ```ts
 * const object = { 'a': 1, 'b': 2, 'c': 3 };
 *
 * pickBy(object, (value) => value < 3);
 * // => { 'a': 1, 'b': 2 }
 * ```
 */
export function pickBy(object, predicate) {
    if (!object) {
        return {};
    }
    const result = {};
    for (const key in object) {
        if (Object.prototype.hasOwnProperty.call(object, key)) {
            const value = object[key];
            if (predicate(value, key)) {
                result[key] = value;
            }
        }
    }
    return result;
}