UNPKG

@mantine/hooks

Version:

A collection of 50+ hooks for state and UI management

45 lines (44 loc) 1.14 kB
"use client"; let react = require("react"); //#region packages/@mantine/hooks/src/use-interval/use-interval.ts function useInterval(fn, interval, { autoInvoke = false } = {}) { const [active, setActive] = (0, react.useState)(false); const intervalRef = (0, react.useRef)(null); const fnRef = (0, react.useRef)(null); const start = (0, react.useCallback)(() => { setActive((old) => { if (!old && (!intervalRef.current || intervalRef.current === -1)) intervalRef.current = window.setInterval(fnRef.current, interval); return true; }); }, []); const stop = (0, react.useCallback)(() => { setActive(false); window.clearInterval(intervalRef.current || -1); intervalRef.current = -1; }, []); const toggle = (0, react.useCallback)(() => { if (active) stop(); else start(); }, [active]); (0, react.useEffect)(() => { fnRef.current = fn; active && start(); return stop; }, [ fn, active, interval ]); (0, react.useEffect)(() => { if (autoInvoke) start(); }, []); return { start, stop, toggle, active }; } //#endregion exports.useInterval = useInterval; //# sourceMappingURL=use-interval.cjs.map