react-super/esm/Portal/useScrollLocker.js

企业级react组件库

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$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i.return && (_r = _i.return(), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import * as React from 'react';
import { updateCSS, removeCSS } from 'rc-util/lib/Dom/dynamicCSS';
import useLayoutEffect from 'rc-util/lib/hooks/useLayoutEffect';
import getScrollBarSize from 'rc-util/lib/getScrollBarSize';
import { isBodyOverflowing } from "./util";
var UNIQUE_ID = "rc-util-locker-".concat(Date.now());
var uuid = 0;
export default function useScrollLocker(lock) {
  var mergedLock = !!lock;
  var _React$useState = React.useState(function () {
      uuid += 1;
      return "".concat(UNIQUE_ID, "_").concat(uuid);
    }),
    _React$useState2 = _slicedToArray(_React$useState, 1),
    id = _React$useState2[0];
  useLayoutEffect(function () {
    if (mergedLock) {
      var scrollbarSize = getScrollBarSize();
      var isOverflow = isBodyOverflowing();
      updateCSS("\nhtml body {\n  overflow-y: hidden;\n  ".concat(isOverflow ? "width: calc(100% - ".concat(scrollbarSize, "px);") : '', "\n}"), id);
    } else {
      removeCSS(id);
    }
    return function () {
      removeCSS(id);
    };
  }, [mergedLock, id]);
}