Commit 6e6aeb5

@@ -1,5 +1,6 @@
 ---
 import { getCollection } from "astro:content";
+import { url } from "@/utils/url";
 
 import BaseLayout from "@/layouts/BaseLayout.astro";
 
@@ -9,6 +10,6 @@ const posts = await getCollection("posts");
 
     <h1>Posts</h1>
     {
-        posts.map(post => (<li><a href={"/posts/" + post.id}>{post.data.title}</a></li>))
+        posts.map(post => (<li><a href={url("/posts/" + post.id)}>{post.data.title}</a></li>))
     }
 </BaseLayout>

@@ -1,7 +1,9 @@
 ---
+import { url } from "@/utils/url.ts";
+
 import BaseLayout from "@/layouts/BaseLayout.astro";
 ---
 <BaseLayout title="Astro">
   <h1>Astro</h1>
-  <a href="/posts">Posts</a>
+  <a href={url("/posts")}>Posts</a>
 </BaseLayout>

@@ -0,0 +1,22 @@
+export function joinUrl(...parts: string[]): string {
+  const joined = parts.join("/");
+  return joined.replace(/\/+/g, "/");
+}
+
+export function pathsEqual(path1: string, path2: string) {
+  const normalizedPath1 = path1.replace(/^\/|\/$/g, "").toLowerCase();
+  const normalizedPath2 = path2.replace(/^\/|\/$/g, "").toLowerCase();
+  return normalizedPath1 === normalizedPath2;
+}
+
+export function pathMatch(regex: RegExp, path: string) {
+  return regex.test(path) || regex.test(getRelativeUrl(path));
+}
+
+export function getRelativeUrl(path: string) {
+  return joinUrl("/", path.replace(import.meta.env.BASE_URL, ""));
+}
+
+export function url(path: string) {
+  return joinUrl("", import.meta.env.BASE_URL, path);
+}