@easyx.ai/dumi-theme-easyxai/dist/components/StoreUpdater/useRouteMeta.js

@easyx.ai/dumi-theme-easyxai 是为 dumi2 打造的一款文档站主题包，提供了更加美观、易用的研发与阅读体验

import { getRouteMetaById, useMatchedRoute } from 'dumi';
import useSWR from 'swr';
import { useStoreApi } from "../../store/useSiteStore";
var EMPTY_META = {
  frontmatter: {},
  toc: [],
  texts: []
};

// https://github.com/umijs/dumi/pull/2165
export var useRouteMeta = function useRouteMeta() {
  var storeApi = useStoreApi();
  var matched = useMatchedRoute();
  var merge = function merge() {
    var meta = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : EMPTY_META;
    if (matched.meta) {
      Object.keys(matched.meta).forEach(function (key) {
        var _ref, _ref$key;
        (_ref$key = (_ref = meta)[key]) !== null && _ref$key !== void 0 ? _ref$key : _ref[key] = matched.meta[key];
      });
    }
    return meta;
  };
  useSWR(matched.id, getRouteMetaById, {
    fallback: EMPTY_META,
    onSuccess: function onSuccess(meta) {
      storeApi.setState({
        routeMeta: merge(meta)
      });
    }
  });
};