feat: update footer and support hidden posts

scripts/hide_posts.js

@@ -0,0 +1,50 @@
+'use strict';
+
+const visiblePostFilter = post => !post.hide;
+
+const createPostQuery = hexo => {
+  const query = {};
+
+  if (!hexo.config.future) query.date = { $lte: Date.now() };
+  if (!hexo._showDrafts()) query.published = true;
+
+  return query;
+};
+
+hexo.extend.filter.register('after_init', () => {
+  const getAllPosts = () => hexo.database.model('Post').find(createPostQuery(hexo));
+  const getVisiblePosts = () => getAllPosts().filter(visiblePostFilter);
+
+  hexo.locals.set('posts', () => getVisiblePosts());
+  hexo.locals.set('categories', () => hexo.model('Category').filter(category => category.posts.length));
+  hexo.locals.set('tags', () => hexo.model('Tag').filter(tag => tag.posts.length));
+
+  hexo.extend.generator.register('post', () => {
+    const posts = getAllPosts().sort('-date').toArray();
+    const visiblePosts = getVisiblePosts().sort('-date').toArray();
+    const visibleIndex = new Map(visiblePosts.map((post, index) => [String(post._id), index]));
+
+    return posts.map(post => {
+      const { path, layout } = post;
+      const index = visibleIndex.get(String(post._id));
+
+      post.prev = null;
+      post.next = null;
+
+      if (index !== undefined) {
+        post.prev = index > 0 ? visiblePosts[index - 1] : null;
+        post.next = index < visiblePosts.length - 1 ? visiblePosts[index + 1] : null;
+      }
+
+      if (!layout || layout === 'false') return { path, data: post.content };
+
+      const layouts = ['post', 'page', 'index'];
+
+      if (layout !== 'post') layouts.unshift(layout);
+
+      post.__post = true;
+
+      return { path, layout: layouts, data: post };
+    });
+  });
+});