@toolpad/utils/hooks/useDebounced.js

Shared utilities used by Toolpad packages.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useDebounced;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/**
 * This hook allows you to debounce any fast changing value. The debounced value will only
 * reflect the latest value when the useDebounce hook has not been called for the specified
 * time period.
 *
 * Inspired by https://usehooks.com/useDebounce/
 */
function useDebounced(value, delay) {
  const [debouncedValue, setDebouncedValue] = React.useState(() => value);
  const timeoutIdRef = React.useRef(null);
  React.useEffect(() => () => {
    if (timeoutIdRef.current) {
      clearTimeout(timeoutIdRef.current);
      timeoutIdRef.current = null;
    }
  }, []);
  React.useEffect(() => {
    timeoutIdRef.current = setTimeout(() => setDebouncedValue(() => value), delay);
    return () => {
      if (timeoutIdRef.current) {
        clearTimeout(timeoutIdRef.current);
        timeoutIdRef.current = null;
      }
    };
  }, [value, delay]);
  return debouncedValue;
}