focus-pro/dist/OnBoarding/Mask.js

focus-pro 中台前端组件库

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(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 React, { useEffect, useState } from 'react';
import { getMaskStyle } from "./getMaskStyle";
import "./index.module.less";
import { jsx as _jsx } from "react/jsx-runtime";
var Mask = function Mask(props) {
  var element = props.element,
    renderMaskContent = props.renderMaskContent,
    container = props.container,
    onAnimationStart = props.onAnimationStart,
    onAnimationEnd = props.onAnimationEnd;
  var _useState = useState({}),
    _useState2 = _slicedToArray(_useState, 2),
    style = _useState2[0],
    setStyle = _useState2[1];

  // 等0.2s后Mask样式计算确定后再显示Popover，避免Popover从左上角位置闪一下才到正常位置
  useEffect(function () {
    onAnimationStart === null || onAnimationStart === void 0 || onAnimationStart();
    var timer = setTimeout(function () {
      onAnimationEnd === null || onAnimationEnd === void 0 || onAnimationEnd();
    }, 200);
    return function () {
      window.clearTimeout(timer);
    };
  }, [element]);

  // 窗口大小改变时，重新计算Mask的样式
  useEffect(function () {
    var observer = new ResizeObserver(function () {
      var style = getMaskStyle(element, container || document.documentElement);
      setStyle(style);
    });
    observer.observe(container || document.documentElement);
    return function () {
      observer.disconnect();
    };
  }, [element]);
  useEffect(function () {
    if (!element) {
      return;
    }

    // 把元素中心滚动到可视区域中心
    element.scrollIntoView({
      block: 'center',
      inline: 'center'
    });
    var style = getMaskStyle(element, container || document.documentElement);
    setStyle(style);
  }, [element, container]);
  var getContent = function getContent() {
    if (!renderMaskContent) {
      return null;
    }
    // 遮罩层填充内容外层wrapper是mask-content，里面添加提示内容，由popover包裹
    // mask-content的父元素是mask，宽高应用的是mask减去border的实际内容区域的宽高（因为mask设置了border-box），即getMaskStyle计算出来的实际宽高
    return renderMaskContent( /*#__PURE__*/_jsx("div", {
      className: 'mask-content',
      style: {
        width: '100%',
        height: '100%'
      }
    }));
  };
  return /*#__PURE__*/_jsx("div", {
    style: style,
    className: "mask",
    children: getContent()
  });
};
export default Mask;