@antdv/pro-utils/es/vueHelper/vnode.mjs

@antdv/pro-utils

var __defProp = Object.defineProperty;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
  for (var prop in b || (b = {}))
    if (__hasOwnProp.call(b, prop))
      __defNormalProp(a, prop, b[prop]);
  if (__getOwnPropSymbols)
    for (var prop of __getOwnPropSymbols(b)) {
      if (__propIsEnum.call(b, prop))
        __defNormalProp(a, prop, b[prop]);
    }
  return a;
};
import { camelize, hasOwn } from "@vue/shared";
import { cloneVNode, Fragment, isVNode } from "vue";
import {
  isArray,
  isComment,
  isEmptyElement,
  isFragment,
  isTemplate,
  isValid
} from "../is/index.mjs";
function filterEmpty(children = []) {
  const res = [];
  children.forEach((child) => {
    if (Array.isArray(child))
      res.push(...child);
    else if ((child == null ? void 0 : child.type) === Fragment)
      res.push(...filterEmpty(child.children));
    else
      res.push(child);
  });
  return res.filter((c) => !isEmptyElement(c));
}
function filterEmptyWithUndefined(children) {
  if (children) {
    const coms = filterEmpty(children);
    return coms.length ? coms : void 0;
  } else {
    return children;
  }
}
const skipFlattenKey = Symbol("skipFlatten");
function flattenChildren(children = [], isFilterEmpty = true) {
  const temp = Array.isArray(children) ? children : [children];
  const res = [];
  temp.forEach((child) => {
    if (Array.isArray(child)) {
      res.push(...flattenChildren(child, isFilterEmpty));
    } else if (child && child.type === Fragment) {
      if (child.key === skipFlattenKey)
        res.push(child);
      else
        res.push(...flattenChildren(child.children, isFilterEmpty));
    } else if (child && isVNode(child)) {
      if (isFilterEmpty && !isEmptyElement(child))
        res.push(child);
      else if (!isFilterEmpty)
        res.push(child);
    } else if (isValid(child)) {
      res.push(child);
    }
  });
  return res;
}
function getSlot(self, name = "default", options = {}) {
  var _a, _b;
  if (isVNode(self)) {
    if (self.type === Fragment)
      return name === "default" ? flattenChildren(self.children) : [];
    else if (self.children && self.children[name])
      return flattenChildren((_b = (_a = self.children)[name]) == null ? void 0 : _b.call(_a, options));
    else
      return [];
  } else {
    const res = self.$slots[name] && self.$slots[name](options);
    return flattenChildren(res);
  }
}
function cloneElement(vnode, nodeProps = {}, override = true, mergeRef = false) {
  let ele = vnode;
  if (Array.isArray(vnode))
    ele = filterEmpty(vnode)[0];
  if (!ele)
    return null;
  const node = cloneVNode(ele, nodeProps, mergeRef);
  node.props = override ? __spreadValues(__spreadValues({}, node.props), nodeProps) : node.props;
  return node;
}
function ensureOnlyChild(children) {
  if (!isArray(children) || children.length > 1) {
    throw new Error("expect to receive a single Vue element child");
  }
  return children[0];
}
function getNormalizedProps(node) {
  if (!isVNode(node)) {
    console.warn("[getNormalizedProps] must be a VNode");
    return {};
  }
  const raw = node.props || {};
  const type = (isVNode(node.type) ? node.type.props : void 0) || {};
  const props = {};
  Object.keys(type).forEach((key) => {
    if (hasOwn(type[key], "default")) {
      props[key] = type[key].default;
    }
  });
  Object.keys(raw).forEach((key) => {
    props[camelize(key)] = raw[key];
  });
  return props;
}
function getChildren(node, depth) {
  if (isComment(node)) return;
  if (isFragment(node) || isTemplate(node)) {
    return depth > 0 ? getFirstValidNode(node.children, depth - 1) : void 0;
  }
  return node;
}
function getFirstValidNode(nodes, maxDepth = 3) {
  if (Array.isArray(nodes)) {
    return getChildren(nodes[0], maxDepth);
  } else {
    return getChildren(nodes, maxDepth);
  }
}
export {
  cloneElement,
  ensureOnlyChild,
  filterEmpty,
  filterEmptyWithUndefined,
  flattenChildren,
  getFirstValidNode,
  getNormalizedProps,
  getSlot,
  skipFlattenKey
};