Improved homepage, added newsletter self-subscription

scripts/event_filter.js

@@ -0,0 +1,38 @@
+'use strict';
+
+hexo.extend.filter.register('before_generate', function () {
+  const today = new Date();
+  today.setHours(0, 0, 0, 0);
+
+  function isEventPost(post) {
+    return post.tags && post.tags.data &&
+      post.tags.data.some(function (t) { return t.name === 'Events'; });
+  }
+
+  const allPosts = hexo.locals.get('posts').toArray();
+
+  const eventPosts = allPosts
+    .filter(isEventPost)
+    .sort(function (a, b) { return a.date.valueOf() - b.date.valueOf(); });
+
+  const pastEvents = eventPosts.filter(function (p) {
+    return p.date.valueOf() < today.getTime();
+  });
+  const futureEvents = eventPosts.filter(function (p) {
+    return p.date.valueOf() >= today.getTime();
+  });
+
+  hexo.locals.set('nextEvent', futureEvents[0] || false);
+  hexo.locals.set('lastEvent', pastEvents[pastEvents.length - 1] || false);
+
+  // Far-future events (all future except the nearest one) are excluded from
+  // site.posts so they don't appear in archives or RSS.
+  const hiddenIds = new Set(futureEvents.slice(1).map(function (p) { return p._id; }));
+
+  if (hiddenIds.size > 0) {
+    const filtered = hexo.locals.get('posts').filter(function (p) {
+      return !hiddenIds.has(p._id);
+    });
+    hexo.locals.set('posts', filtered);
+  }
+});