one/dist/esm/platform/syncStore.mjs

One is a React framework for web, iOS, and Android apps.

import { getNativeSyncFactory } from "./syncNative.mjs";

const SYNC_STATE_ID_KEY = "__one_sync_state_id__";
const SYNC_STATE_BRAND = "__one_sync_state__";
function isSyncState(value) {
	if (value == null || typeof value !== "object") return false;
	const obj = value;
	return obj["__one_sync_state__"] === true && typeof obj["__one_sync_state_id__"] === "number" && obj["__one_sync_state_id__"] !== 0;
}
function getSyncStateId(state) {
	if (!state) return void 0;
	return state[SYNC_STATE_ID_KEY];
}
const PUBLISH_NATIVE = /* @__PURE__ */ Symbol("publishNative");
function publishNativeSyncState(state) {
	;
	state?.[PUBLISH_NATIVE]();
}
function createSyncState(initial) {
	const host = getNativeSyncFactory().create(initial);
	let onChange = null;
	const listeners = /* @__PURE__ */ new Set();
	let published = host.get();
	const publish = (next) => {
		if (Object.is(published, next)) return;
		published = next;
		for (const listener of [...listeners]) listener(next);
	};
	const state = {
		get value() {
			return host.get();
		},
		set value(next) {
			state.set(next);
		},
		get() {
			return host.get();
		},
		set(next) {
			if (!Object.is(host.get(), next)) host.set(next);
			publish(next);
		},
		get onChange() {
			return onChange;
		},
		set onChange(next) {
			onChange = next ?? null;
			host.setOnChange(onChange);
		},
		subscribe(listener) {
			listeners.add(listener);
			return () => {
				listeners.delete(listener);
			};
		},
		release() {
			listeners.clear();
			onChange = null;
			host.release();
		},
		getSnapshot() {
			return host.get();
		},
		[SYNC_STATE_BRAND]: true,
		[SYNC_STATE_ID_KEY]: host.id,
		[PUBLISH_NATIVE]: () => publish(host.get())
	};
	return state;
}

export { SYNC_STATE_BRAND, SYNC_STATE_ID_KEY, createSyncState, getSyncStateId, isSyncState, publishNativeSyncState };
//# sourceMappingURL=syncStore.mjs.map