@alitajs/antd-plus/es/common/hooks/use-measure.js

基于 ant-design 封装的偏业务组件

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; }

import { useState, useCallback } from 'react';
export var useMeasure = function useMeasure() {
  var deps = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

  var _useState = useState({
    bottom: 0,
    height: 0,
    left: 0,
    right: 0,
    top: 0,
    width: 0
  }),
      _useState2 = _slicedToArray(_useState, 2),
      rect = _useState2[0],
      setRect = _useState2[1];

  var ref = useCallback(function (node) {
    if (node !== null) {
      setRect(node.getBoundingClientRect());
    }
  }, deps);
  return {
    ref: ref,
    rect: rect
  };
};
export var useMeasureBatch = function useMeasureBatch(count) {
  var deps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
  var measureResults = [];

  var _loop = function _loop(i) {
    var _useState3 = useState({
      bottom: 0,
      height: 0,
      left: 0,
      right: 0,
      top: 0,
      width: 0
    }),
        _useState4 = _slicedToArray(_useState3, 2),
        rect = _useState4[0],
        setRect = _useState4[1];

    var ref = useCallback(function (node) {
      if (node !== null) {
        setRect(node.getBoundingClientRect());
      }
    }, deps);
    measureResults[i] = {
      rect: rect,
      ref: ref
    };
  };

  for (var i = 0; i < count; ++i) {
    _loop(i);
  }

  return measureResults;
};