Hexo自定义主题（五）

// 文章渲染前进行操作,将分类和tags标签改为首字母大写
hexo.extend.generator.register('post', function(locals){
  return locals.posts.map(function(post){
    // 修改分类为首字母大写
    // 因为文章的分类信息如下，不能直接修改文章的分类路径，所以应该新建一个对象，复制相关内容
    // [
    //   Document {
    //     name: 'Javascript',
    //     _id: 'ck31jjht40042kyfmbx0lbv8y',
    //     slug: [Getter],
    //     path: [Getter],
    //     permalink: [Getter],
    //     posts: [Getter],
    //     length: [Getter]
    //   }
    // ]
    var categories=post.categories.data;
    var newCat={};
    for(let menuItem in categories){
      let name=categories[menuItem].name;
      //将首字母改为大写
      name=name.toLowerCase().replace(/( |^)[a-z]/g, (L) => L.toUpperCase());
       //将路径中的特殊符号进行编码
      let path=categories[menuItem].path;
      if(path.indexOf(name)<0){
        // console.log(name);
        path="categories/"+encodeURIComponent(name)+"/";
      }else{
        path=encodeURIComponent(categories[menuItem].path.replace(/\./g,"-"));
      }

      // 构造新的分类对象
      newCat={
        name:name,
        _id:categories[menuItem]._id,
        slug:categories[menuItem].slug,
        path:path,
        permalink:categories[menuItem].permalink,
        posts:categories[menuItem].posts,
        length:categories[menuItem].length
      }
      categories[menuItem]=newCat;
    }
    //修改标签为首字母大写
    var tags=post.tags.data;
    for(let menuItem in tags){
      // console.log(tags[menuItem]);
      let name=tags[menuItem].name;
      //将首字母改为大写
      name=name.toLowerCase().replace(/( |^)[a-z]/g, (L) => L.toUpperCase());

      let path=tags[menuItem].path;
      if(path.indexOf(name)<0){
        path="tags/"+encodeURIComponent(name)+"/";
      }else{
        //将路径中的点，换成-
        path=path=encodeURIComponent(tags[menuItem].path.replace(/\./g,"-"));
      }

      // 构造新的对象
      newCat={
        name:name,
        _id:tags[menuItem]._id,
        slug:tags[menuItem].slug,
        path:path,
        permalink:tags[menuItem].permalink,
        posts:tags[menuItem].posts,
        length:tags[menuItem].length
      }
      tags[menuItem]=newCat;
    }
   
    return {
      path: post.path,
      categories:newCat,
      data: post,
      layout: 'post'
    };
  });
});

//生成分类
hexo.extend.generator.register('category', function(locals){
  let categoriesPage={}
  locals.posts.map(function(post){
    //将文章的标签和分类首字母改为大写
    var categories=post.categories.data;
    if(categories.length<=0){
      if(!categoriesPage["其他"]){
        categoriesPage["其他"]=[];
      }
      categoriesPage["其他"].push(post);
    }else{
      for(let menuItem in categories){
        let name=categories[menuItem].name;
        // console.log(name.toLowerCase());
        //将首字母改为大写
        name=name.toLowerCase().replace(/( |^)[a-z]/g, (L) => L.toUpperCase());
        categories[menuItem].name=name;
  
        //保存相关文章
        if(!categoriesPage[name]){
          categoriesPage[name]=[];
        }
        categoriesPage[name].push(post);
      }
    }
    post.path=encodeURIComponent(post.path);
    
  });
  let themeConfig=hexo.theme.config;
  let perPage=(themeConfig.categories_generator&&themeConfig.categories_generator.per_page)?themeConfig.categories_generator.per_page:10;
  var pages=[];
  for(let categoriesName in categoriesPage){
    let page=categoriesPage[categoriesName];
    // console.log(categoriesName);
    let path="/categories/"+encodeURIComponent(categoriesName.replace(/\.|\s/g,"_"));
    var data = pagination(path, page, {
      perPage: perPage,
      layout: ['category', 'index'],
      format: '/page/%d/',
      data: {
        categories: categoriesName,
        path:path
      }
    });
    pages=[...pages,...data];
  }
  return pages;
});