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$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { useEffect, useState } from 'react';
var DEFAULT_ELEMENT_SCALE = {
  x: 1,
  y: 1
};
function parseElementTransformScale(transform) {
  if (!transform || transform === 'none') {
    return DEFAULT_ELEMENT_SCALE;
  }
  try {
    var matrix = new DOMMatrixReadOnly(transform);
    return {
      x: Math.sqrt(matrix.a * matrix.a + matrix.b * matrix.b) || 1,
      y: Math.sqrt(matrix.c * matrix.c + matrix.d * matrix.d) || 1
    };
  } catch (_unused) {
    return DEFAULT_ELEMENT_SCALE;
  }
}
export function getElementScale(element) {
  if (typeof window === 'undefined' || !element) {
    return DEFAULT_ELEMENT_SCALE;
  }
  return parseElementTransformScale(window.getComputedStyle(element).transform);
}
export function getElementScaleX(element) {
  return getElementScale(element).x;
}
export function getElementScaleY(element) {
  return getElementScale(element).y;
}
export function useElementScale(element) {
  var _options$observe;
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var observe = (_options$observe = options.observe) !== null && _options$observe !== void 0 ? _options$observe : true;
  var _useState = useState(function () {
      return getElementScale(element);
    }),
    _useState2 = _slicedToArray(_useState, 2),
    elementScale = _useState2[0],
    setElementScale = _useState2[1];
  useEffect(function () {
    var _window$visualViewpor;
    if (typeof window === 'undefined' || !element) {
      setElementScale(DEFAULT_ELEMENT_SCALE);
      return undefined;
    }
    var updateElementScale = function updateElementScale() {
      setElementScale(getElementScale(element));
    };
    updateElementScale();
    if (!observe) {
      return undefined;
    }
    window.addEventListener('resize', updateElementScale);
    (_window$visualViewpor = window.visualViewport) === null || _window$visualViewpor === void 0 || _window$visualViewpor.addEventListener('resize', updateElementScale);
    var elementObserver = typeof MutationObserver !== 'undefined' ? new MutationObserver(updateElementScale) : null;
    elementObserver === null || elementObserver === void 0 || elementObserver.observe(element, {
      attributes: true,
      attributeFilter: ['style', 'class']
    });
    return function () {
      var _window$visualViewpor2;
      window.removeEventListener('resize', updateElementScale);
      (_window$visualViewpor2 = window.visualViewport) === null || _window$visualViewpor2 === void 0 || _window$visualViewpor2.removeEventListener('resize', updateElementScale);
      elementObserver === null || elementObserver === void 0 || elementObserver.disconnect();
    };
  }, [element, observe]);
  return elementScale;
}
export function useElementScaleX(element, options) {
  return useElementScale(element, options).x;
}
export function useElementScaleY(element, options) {
  return useElementScale(element, options).y;
}
export default useElementScale;