diffusion/src/internal/util/enumerize.js

Diffusion JavaScript client

"use strict";
/**
 * @module Util.Enumerize
 *
 * @brief Utility function for turning objects into Enum like objects
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.enumerize = void 0;
/**
 * Add reverse lookup to an enum-like object in order to imitate TypeScript
 * style enums. Each value must be an object that defines a numeric `id`
 * property.
 *
 * **Example:**
 * ```
 * const enumLike = {
 *   FOO: { id: 0, msg: 'This is a Foo'},
 *   BAR: { id: 1, msg: 'This is a Bar'}
 * }
 *
 * enumerize(enumLike);
 *
 * // enumLike = {
 * //  FOO: { id: 0, msg: 'This is a Foo'},
 * //  BAR: { id: 1, msg: 'This is a Bar'},
 * //  0: 'FOO',
 * //  1: 'BAR'
 * // }
 * ```
 *
 * @param obj  the enum-like object
 */
function enumerize(obj) {
    Object.keys(obj).forEach(function (key) {
        var id = obj[key].id;
        if (id !== undefined) {
            obj[id] = key;
        }
    });
}
exports.enumerize = enumerize;