@elastic/eui/lib/services/window_event/hooks.js

Elastic UI Component Library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useEuiWindowEvent = void 0;
var _react = require("react");
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

var useEuiWindowEvent = exports.useEuiWindowEvent = function useEuiWindowEvent(event, handler) {
  var handlerRef = (0, _react.useRef)(handler);
  handlerRef.current = handler;
  var stableHandler = (0, _react.useCallback)(function (ev) {
    return handlerRef.current.call(this, ev);
  }, []);
  (0, _react.useEffect)(function () {
    window.addEventListener(event, stableHandler);
    return function () {
      return window.removeEventListener(event, stableHandler);
    };
  }, [event, stableHandler]);
  return null;
};