Function DOMContentLoaded

packages/melonjs/src/system/dom.ts:10–23

(fn: () => void)

 * @ignore
 */
export const DOMContentLoaded = (fn: () => void) => {
	if (
		nodeJS ||
		typeof globalThis.document === "undefined" ||
		globalThis.document.readyState !== "loading"
	) {
		// DOM already ready (or no DOM environment), defer to next microtask
		void Promise.resolve().then(fn);
	} else {
		globalThis.document.addEventListener("DOMContentLoaded", fn, {
			once: true,
		});
	}
};