one/dist/cjs/platform/syncStore.cjs

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

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
	for (var name in all) __defProp(target, name, {
		get: all[name],
		enumerable: true
	});
};
var __copyProps = (to, from, except, desc) => {
	if (from && typeof from === "object" || typeof from === "function") {
		for (let key of __getOwnPropNames(from)) if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, {
			get: () => from[key],
			enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable
		});
	}
	return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var syncStore_exports = {};
__export(syncStore_exports, {
	SYNC_STATE_BRAND: () => SYNC_STATE_BRAND,
	SYNC_STATE_ID_KEY: () => SYNC_STATE_ID_KEY,
	createSyncState: () => createSyncState,
	getSyncStateId: () => getSyncStateId,
	isSyncState: () => isSyncState
});
module.exports = __toCommonJS(syncStore_exports);
var import_syncNative = require("./syncNative.cjs");
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[SYNC_STATE_BRAND] === true && typeof obj[SYNC_STATE_ID_KEY] === "number" && obj[SYNC_STATE_ID_KEY] !== 0;
}
function getSyncStateId(state) {
	if (!state) return void 0;
	return state[SYNC_STATE_ID_KEY];
}
function createSyncState(initial) {
	const host = (0, import_syncNative.getNativeSyncFactory)().create(initial);
	let onChange = null;
	const listeners = /* @__PURE__ */ new Set();
	let published = host.get();
	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);
			if (Object.is(published, next)) return;
			published = next;
			for (const listener of [...listeners]) listener(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
	};
	return state;
}