ridder/dist/mem.js

A straightforward game engine for simple data-driven games in JavaScript

/**
 * Zero out all values in an object, recursively.
 */
export function zero(obj) {
    for (const key in obj) {
        const value = obj[key];
        const type = typeof value;
        switch (type) {
            case "object":
                zero(obj[key]);
                break;
            case "string":
                obj[key] = "";
                break;
            case "number":
                obj[key] = 0;
                break;
            case "boolean":
                obj[key] = false;
                break;
            default:
                throw new Error(`Cannot zero property of type '${type}' with value '${value}'`);
        }
    }
}