InternshipProject/node_modules/rc-table/lib/Body/MeasureRow.js

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

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 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
    });
  })));
}