wetrade-design/es/_util/vnode.js

一款多语言支持Vue3的UI框架

import _typeof from "@babel/runtime/helpers/esm/typeof";
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import { filterEmpty } from './props-util';
import { cloneVNode, Comment, Fragment, isVNode } from 'vue';
import warning from './warning';
export 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 = filterEmpty(vnode)[0];
  }
  if (!ele) {
    return null;
  }
  var node = cloneVNode(ele, nodeProps, mergeRef);
  // cloneVNode内部是合并属性，这里改成覆盖属性
  node.props = override ? _objectSpread(_objectSpread({}, node.props), nodeProps) : node.props;
  warning(_typeof(node.props.class) !== 'object', 'class must be string');
  return node;
}
export 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);
  });
}
export function deepCloneElement(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;
  if (Array.isArray(vnode)) {
    return vnode.map(function (item) {
      return deepCloneElement(item, nodeProps, override, mergeRef);
    });
  } else {
    var cloned = cloneElement(vnode, nodeProps, override, mergeRef);
    if (Array.isArray(cloned.children)) {
      cloned.children = deepCloneElement(cloned.children);
    }
    return cloned;
  }
}
var ensureValidVNode = function ensureValidVNode(slot) {
  return (slot || []).some(function (child) {
    if (!isVNode(child)) return true;
    if (child.type === Comment) return false;
    if (child.type === Fragment && !ensureValidVNode(child.children)) return false;
    return true;
  }) ? slot : null;
};
export function customRenderSlot(slots, name, props, fallback) {
  var _slots$name;
  var slot = (_slots$name = slots[name]) === null || _slots$name === void 0 ? void 0 : _slots$name.call(slots, props);
  if (ensureValidVNode(slot)) {
    return slot;
  }
  return fallback === null || fallback === void 0 ? void 0 : fallback();
}