iota/refs.js at master · AegisJSProject/iota · GitHub

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let n = 0;

export class RegistryKey extends String {
	#stack = new DisposableStack();

	/**
	 * @returns {boolean}
	 */
	get disposed() {
		return this.#stack.disposed;
	}

	/**
	 * @template T
	 * @param {T} what
	 * @param {() => void} onDiposed
	 * @returns {T}
	 */
	adopt(what, onDiposed) {
		return this.#stack.adopt(what, onDiposed);
	}

	/**
	 * @param {() => void} onDiposed
	 * @returns {void}
	 */
	defer(onDiposed) {
		return this.#stack.defer(onDiposed);
	}

	/**
	 * @returns {void}
	 */
	dispose() {
		this.#stack.dispose();
	}

	/**
	 * @template T
	 * @param {T} what
	 * @returns {T}
	 */
	use(what) {
		return this.#stack.use(what);
	}

	[Symbol.dispose]() {
		this.#stack.dispose();
	}
}

/**
 *
 * @param {string} [prefix="ref-"]
 * @param {number} [suffix=Date.now()]
 * @returns {RegistryKey}
 */
export const getRef = (prefix = 'ref', suffix = Date.now()) => new RegistryKey(`${prefix}-${n++}-${suffix.toString(16)}`);
export const $ref = getRef;