revert: Access data files from source folder (#1969)

lib/hexo/index.ts

@@ -555,7 +555,7 @@ class Hexo extends EventEmitter {
     this.emit('generateBefore');
 
     // Run before_generate filters
-    return this.execFilter('before_generate', this.locals.get('data'), { context: this })
+    return this.execFilter('before_generate', null, { context: this })
       .then(() => this._routerRefresh(this._runGenerators(), useCache)).then(() => {
         this.emit('generateAfter');
 

lib/plugins/filter/before_generate/render_post.ts

@@ -1,12 +1,11 @@
 import Promise from 'bluebird';
 
-function renderPostFilter(data) {
+function renderPostFilter() {
   const renderPosts = model => {
     const posts = model.toArray().filter(post => post.content == null);
 
     return Promise.map(posts, (post: any) => {
       post.content = post._content;
-      post.site = {data};
 
       return this.post.render(post.full_source, post).then(() => post.save());
     });

test/scripts/filters/render_post.js

@@ -46,20 +46,4 @@ describe('Render post', () => {
     page.remove();
   });
 
-  it('use data variables', async () => {
-    let page = await Page.insert({
-      source: 'foo.md',
-      path: 'foo.html',
-      _content: '<p>Hello {{site.data.foo.name}}</p>'
-    });
-
-    const id = page._id;
-    await renderPost({foo: {name: 'Hexo'}});
-
-    page = Page.findById(id);
-    page.content.trim().should.eql('<p>Hello Hexo</p>');
-
-    page.remove();
-  });
-
 });