fix directory issue

cypress/integration/Directory.feature

@@ -24,3 +24,8 @@ Feature: Directory
       | chasidic man        | haiku/chasidic-man        | smells like soup |
       | in my parents house | haiku/in-my-parents-house | time feels old   |
       | Parent Directory    |                           | Arturo           |
+
+  Scenario: I visit a directory with a trailing slash
+    When I visit "haiku/"
+    And I click the link "dream haiku"
+    Then I see "exploding drum"

src/components/Directory.svelte

@@ -69,6 +69,13 @@
       ? (Math.abs(num) / 1000).toFixed(1) + "k"
       : `${Math.abs(num)}`;
   }
+
+  function entryHref(entrySlug: string) {
+    if (isRoot) {
+      return `/${entrySlug}`
+    }
+    return `/${directory.slug}/${entrySlug}`
+  }
 </script>
 
 <style>
@@ -124,7 +131,7 @@
           <td>
             <a
               sveltekit:prefetch
-              href="{directory.slug}/{entry.slug}">{entry.title}</a>
+              href="{entryHref(entry.slug)}">{entry.title}</a>
           </td>
           <td align="right">{entry.date}</td>
           <td align="right">{format(entry.size)}</td>

src/routes/__error.svelte

@@ -1,3 +1,11 @@
+<script context="module">
+	export function load({ error, status }) {
+		return {
+			props: { error, status }
+		};
+	}
+</script>
+
 <script lang="ts">
 	export let status: number;
 	export let error: Error;