feat: hide posts in Prod with future pubDatetime (#234)

* Hide posts when PubDateTime is not reached

* refactor: extract filter logic into a file

* docs: update SITE config docs

---------

Co-authored-by: satnaing <satnaingdev@gmail.com>

src/utils/getSortedPosts.ts

@@ -1,8 +1,9 @@
 import type { CollectionEntry } from "astro:content";
+import postFilter from "./postFilter";
 
 const getSortedPosts = (posts: CollectionEntry<"blog">[]) => {
   return posts
-    .filter(({ data }) => !data.draft)
+    .filter(postFilter)
     .sort(
       (a, b) =>
         Math.floor(

src/utils/getUniqueTags.ts

@@ -1,5 +1,6 @@
 import { slugifyStr } from "./slugify";
 import type { CollectionEntry } from "astro:content";
+import postFilter from "./postFilter";
 
 interface Tag {
   tag: string;
@@ -7,8 +8,8 @@ interface Tag {
 }
 
 const getUniqueTags = (posts: CollectionEntry<"blog">[]) => {
-  const filteredPosts = posts.filter(({ data }) => !data.draft);
-  const tags: Tag[] = filteredPosts
+  const tags: Tag[] = posts
+    .filter(postFilter)
     .flatMap(post => post.data.tags)
     .map(tag => ({ tag: slugifyStr(tag), tagName: tag }))
     .filter(

src/utils/postFilter.ts

@@ -0,0 +1,11 @@
+import { SITE } from "@config";
+import type { CollectionEntry } from "astro:content";
+
+const postFilter = ({ data }: CollectionEntry<"blog">) => {
+  const isPublishTimePassed =
+    Date.now() >
+    new Date(data.pubDatetime).getTime() - SITE.scheduledPostMargin;
+  return !data.draft && (import.meta.env.DEV || isPublishTimePassed);
+};
+
+export default postFilter;