use-optimized-resize/dist/index.js

useLayoutEffect for window resize

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _react = require("react");

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function useOptimizedResize() {
  var _useState = (0, _react.useState)(false),
      _useState2 = _slicedToArray(_useState, 2),
      running = _useState2[0],
      setRunning = _useState2[1];

  var _useState3 = (0, _react.useState)(window.innerWidth),
      _useState4 = _slicedToArray(_useState3, 2),
      width = _useState4[0],
      setWidth = _useState4[1];

  var _useState5 = (0, _react.useState)(window.innerHeight),
      _useState6 = _slicedToArray(_useState5, 2),
      height = _useState6[0],
      setHeight = _useState6[1];

  var callBackWidth = function callBackWidth(_ref) {
    var innerWidth = _ref.innerWidth;
    return setWidth(innerWidth);
  };

  var callBackHeight = function callBackHeight(_ref2) {
    var innerHeight = _ref2.innerHeight;
    return setHeight(innerHeight);
  };

  for (var _len = arguments.length, userCallbacks = new Array(_len), _key = 0; _key < _len; _key++) {
    userCallbacks[_key] = arguments[_key];
  }

  var callbacks = [callBackWidth, callBackHeight].concat(userCallbacks);
  (0, _react.useLayoutEffect)(function () {
    // fired on resize event
    var timer = null;

    function resize() {
      if (!running) {
        setRunning(true);

        if (window.requestAnimationFrame) {
          window.requestAnimationFrame(runCallbacks);
        } else {
          timer = setTimeout(runCallbacks, 66);
        }
      }
    } // run the callbacks


    function runCallbacks() {
      var _window = window,
          innerHeight = _window.innerHeight,
          innerWidth = _window.innerWidth;
      callbacks.forEach(function (callback) {
        return callback({
          innerHeight: innerHeight,
          innerWidth: innerWidth
        });
      });
      setRunning(false);
    }

    window.addEventListener("resize", resize);
    return function () {
      clearTimeout(timer);
      window.removeEventListener("resize", resize);
    };
  });
  return [width, height];
}

var _default = useOptimizedResize;
exports["default"] = _default;