one/dist/esm/platform/keep-awake/index.mjs

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

import { useEffect, useId } from "react";
import { KeepAwake as KeepAwake$1 } from "./unavailable.mjs";
import { assertKeepAwakeEnabled, assertKeepAwakeTag, normalizeKeepAwakeTag } from "./validate.mjs";

const active = /* @__PURE__ */ new Set();
let lock;
let operation = Promise.resolve();
function live() {
	return !!lock && !lock.released;
}
function apply(owner) {
	const next = operation.catch(() => {}).then(async () => {
		if (active.size === 0) {
			await lock?.release();
			lock = void 0;
			return;
		}
		if (live()) return;
		if (!navigator.wakeLock) throw new Error(`KeepAwake.${owner}: Screen Wake Lock is unavailable`);
		lock = await navigator.wakeLock.request("screen");
	});
	operation = next;
	return next;
}
const KeepAwake = Object.freeze({
	isEnabled: async () => typeof window !== "undefined" && active.size > 0 && live(),
	setEnabled: (enabled) => {
		assertKeepAwakeEnabled(enabled);
		if (typeof window === "undefined") return KeepAwake$1.setEnabled(enabled);
		if (enabled) active.add(normalizeKeepAwakeTag(void 0));
		else active.delete(normalizeKeepAwakeTag(void 0));
		return apply("setEnabled");
	},
	activate: (tag) => {
		assertKeepAwakeTag(tag, "activate");
		if (typeof window === "undefined") return KeepAwake$1.activate(tag);
		active.add(normalizeKeepAwakeTag(tag));
		return apply("activate");
	},
	deactivate: (tag) => {
		assertKeepAwakeTag(tag, "deactivate");
		if (typeof window === "undefined") return KeepAwake$1.deactivate(tag);
		active.delete(normalizeKeepAwakeTag(tag));
		return apply("deactivate");
	}
});
function useKeepAwake(tag) {
	const fallback = useId();
	assertKeepAwakeTag(tag, "useKeepAwake");
	const effective = tag ?? fallback;
	useEffect(() => {
		if (typeof window === "undefined") return;
		KeepAwake.activate(effective).catch((error) => {
			console.error(`Failed to keep the screen awake: ${String(error)}`);
		});
		return () => {
			KeepAwake.deactivate(effective).catch(() => {});
		};
	}, [effective]);
}

export { KeepAwake, useKeepAwake };
//# sourceMappingURL=index.mjs.map