@tanstack/hotkeys/dist/_store.js

Type-safe, framework-agnostic keyboard hotkey management for the browser

//#region src/_store.ts
const queue = /* @__PURE__ */ new Set();
function notify(listeners) {
	for (const listener of listeners) queue.add(listener);
	for (const listener of queue) {
		queue.delete(listener);
		listener();
	}
}
/**
* Creates a store. Listeners run synchronously after each change, and an
* update to an equal value (by `Object.is`) notifies no one.
*/
function createStore(initialState) {
	let state = initialState;
	const listeners = /* @__PURE__ */ new Set();
	return {
		get state() {
			return state;
		},
		get: () => state,
		setState(updater) {
			const next = updater(state);
			if (Object.is(state, next)) return;
			state = next;
			notify(listeners);
		},
		subscribe(observerOrFn) {
			const listener = () => {
				if (typeof observerOrFn === "function") observerOrFn(state);
				else observerOrFn.next?.(state);
			};
			listeners.add(listener);
			return { unsubscribe() {
				listeners.delete(listener);
				queue.delete(listener);
			} };
		}
	};
}

//#endregion
export { createStore };