acud/lib/table/baseTable/Body/MeasureRow.js

acg react 组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = MeasureRow;
var React = _interopRequireWildcard(require("react"));
var _rcResizeObserver = _interopRequireDefault(require("rc-resize-observer"));
var _MeasureCell = _interopRequireDefault(require("./MeasureCell"));
var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
function MeasureRow(_ref) {
  var prefixCls = _ref.prefixCls,
    columnsKey = _ref.columnsKey,
    onColumnResize = _ref.onColumnResize;
  // delay state update while resize continuously, e.g. window resize
  var resizedColumnsRef = React.useRef(new Map());
  var rafIdRef = React.useRef(null);
  var delayOnColumnResize = function delayOnColumnResize() {
    if (rafIdRef.current === null) {
      rafIdRef.current = (0, _raf["default"])(function () {
        resizedColumnsRef.current.forEach(function (width, columnKey) {
          onColumnResize(columnKey, width);
        });
        resizedColumnsRef.current.clear();
        rafIdRef.current = null;
      }, 2);
    }
  };
  React.useEffect(function () {
    return function () {
      _raf["default"].cancel(rafIdRef.current);
    };
  }, []);
  return /*#__PURE__*/React.createElement("tr", {
    "aria-hidden": "true",
    className: "".concat(prefixCls, "-measure-row"),
    style: {
      height: 0,
      fontSize: 0
    }
  }, /*#__PURE__*/React.createElement(_rcResizeObserver["default"].Collection, {
    onBatchResize: function onBatchResize(infoList) {
      infoList.forEach(function (_ref2) {
        var columnKey = _ref2.data,
          size = _ref2.size;
        resizedColumnsRef.current.set(columnKey, size.offsetWidth);
      });
      delayOnColumnResize();
    }
  }, columnsKey.map(function (columnKey) {
    return /*#__PURE__*/React.createElement(_MeasureCell["default"], {
      key: columnKey,
      columnKey: columnKey,
      onColumnResize: onColumnResize
    });
  })));
}