@e-group/material-layout/esm/Center/WindowCenter.js

EGroup Team web layout react components.

import _extends from "@babel/runtime/helpers/esm/extends";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

import React, { useEffect, useState } from 'react';

const WindowCenter = (_ref) => {
  let classes = _ref.classes,
      _ref$offsetTop = _ref.offsetTop,
      offsetTop = _ref$offsetTop === void 0 ? 0 : _ref$offsetTop,
      style = _ref.style,
      other = _objectWithoutProperties(_ref, ["classes", "offsetTop", "style"]);

  const _useState = useState(window.innerHeight - offsetTop),
        _useState2 = _slicedToArray(_useState, 2),
        height = _useState2[0],
        setHeight = _useState2[1];

  useEffect(() => {
    const resizer = () => {
      setHeight(window.innerHeight - offsetTop);
    };

    window.addEventListener('resize', resizer);
    return () => {
      window.removeEventListener('resize', resizer);
    };
  }, [offsetTop]);
  useEffect(() => {
    setHeight(window.innerHeight - offsetTop);
  }, [offsetTop]);
  return /*#__PURE__*/React.createElement("div", _extends({
    className: classes.root,
    style: _objectSpread(_objectSpread({}, style), {}, {
      height
    })
  }, other));
};

export default WindowCenter;