refactor(website): move loadBlogPostsAsync into a reusable .mjs file

Author: strager

website/public/blog/index.ejs.html

@@ -12,35 +12,7 @@
     <script>
       //<%
       let ejs = await import("ejs");
-      let fs = await import("node:fs");
-      let path = await import("node:path");
-      let { readFrontMatterFromFileAsync } = await importFileAsync("../../src/front-matter.mjs");
-
-      async function loadBlogPostsAsync() {
-        let directories = await fs.promises.readdir(absoluteFilePath('.'), {withFileTypes: true});
-        directories = directories.filter(dir => dir.isDirectory());
-        let posts = await Promise.all(directories.map(async dir => {
-          let indexPath = absoluteFilePath(path.join(dir.name, "index.ejs.html"));
-          let meta = await readFrontMatterFromFileAsync(indexPath);
-          if (typeof meta.blogDate === 'undefined') {
-            throw new Error(`Missing blogDate in front matter of ${indexPath}`);
-          }
-          return {
-            dir: dir.name,
-            meta: meta,
-          };
-        }));
-        sortPostsReverseChronologically(posts);
-        return posts;
-      }
-
-      function sortPostsReverseChronologically(posts) {
-        posts.sort((a, b) => {
-          if (a.meta.blogDate < b.meta.blogDate) return +1;
-          if (a.meta.blogDate > b.meta.blogDate) return -1;
-          return 0;
-        });
-      }
+      let { loadBlogPostsAsync } = await importFileAsync("./index.mjs");
       //%>
     </script>
     <link href="../main.css" rel="stylesheet" />

website/public/blog/index.mjs

@@ -1,7 +1,14 @@
 // Copyright (C) 2020  Matthew "strager" Glazar
 // See end of file for extended copyright information.
 
+import fs from "node:fs";
+import path from "node:path";
+import url from "node:url";
 import { parseTimestamp } from "../../src/timestamp.mjs";
+import { readFrontMatterFromFileAsync } from "../../src/front-matter.mjs";
+
+let __filename = url.fileURLToPath(import.meta.url);
+let __dirname = path.dirname(__filename);
 
 export let routes = {
   "/blog/feed.xml": {
@@ -23,6 +30,36 @@ function qljsDate(attributes, { currentURI }) {
   return `<time>${timestamp.date}</time>`;
 }
 
+export async function loadBlogPostsAsync() {
+  let directories = await fs.promises.readdir(__dirname, {
+    withFileTypes: true,
+  });
+  directories = directories.filter((dir) => dir.isDirectory());
+  let posts = await Promise.all(
+    directories.map(async (dir) => {
+      let indexPath = path.join(__dirname, dir.name, "index.ejs.html");
+      let meta = await readFrontMatterFromFileAsync(indexPath);
+      if (typeof meta.blogDate === "undefined") {
+        throw new Error(`Missing blogDate in front matter of ${indexPath}`);
+      }
+      return {
+        dir: dir.name,
+        meta: meta,
+      };
+    })
+  );
+  sortPostsReverseChronologically(posts);
+  return posts;
+}
+
+function sortPostsReverseChronologically(posts) {
+  posts.sort((a, b) => {
+    if (a.meta.blogDate < b.meta.blogDate) return +1;
+    if (a.meta.blogDate > b.meta.blogDate) return -1;
+    return 0;
+  });
+}
+
 // quick-lint-js finds bugs in JavaScript programs.
 // Copyright (C) 2020  Matthew "strager" Glazar
 //