ant-design-vue/lib/_util/vnode.js

An enterprise-class UI design language and Vue-based implementation

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.cloneElement = cloneElement;
exports.cloneVNodes = cloneVNodes;

var _propsUtil = require("./props-util");

var _vue = require("vue");

var _warning = _interopRequireDefault(require("./warning"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function cloneElement(vnode) {
  var nodeProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var override = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
  var mergeRef = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var ele = vnode;

  if (Array.isArray(vnode)) {
    ele = (0, _propsUtil.filterEmpty)(vnode)[0];
  }

  if (!ele) {
    return null;
  }

  var node = (0, _vue.cloneVNode)(ele, nodeProps, mergeRef); // cloneVNode内部是合并属性，这里改成覆盖属性

  node.props = override ? _extends(_extends({}, node.props), nodeProps) : node.props;
  (0, _warning.default)(_typeof(node.props.class) !== 'object', 'class must be string');
  return node;
}

function cloneVNodes(vnodes) {
  var nodeProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var override = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
  return vnodes.map(function (vnode) {
    return cloneElement(vnode, nodeProps, override);
  });
}