Fix #1079 404 error on home page

public/script.js

@@ -0,0 +1,76 @@
+function ResourceItem({ name, length }) {
+  return `
+    <li>
+      <a href="${name}">/${name}</a>
+      <sup>${length ? `${length}x` : 'object'}</sup>
+    </li>
+  `
+}
+
+function ResourceList({ db }) {
+  return `
+    <ul>
+      ${Object.keys(db)
+        .map(name =>
+          ResourceItem({
+            name,
+            length: Array.isArray(db[name]) && db[name].length
+          })
+        )
+        .join('')}
+    </ul>
+  `
+}
+
+function NoResources() {
+  return `<p>No resources found</p>`
+}
+
+function ResourcesBlock({ db }) {
+  return `
+    <div>
+      <h1>Resources</h1>
+      ${Object.keys(db).length ? ResourceList({ db }) : NoResources()}
+    </div>
+  `
+}
+
+window
+  .fetch('db')
+  .then(response => response.json())
+  .then(
+    db =>
+      (document.getElementById('resources').innerHTML = ResourcesBlock({ db }))
+  )
+
+function CustomRoutesBlock({ customRoutes }) {
+  const rules = Object.keys(customRoutes)
+  if (rules.length) {
+    return `
+      <div>
+        <h1>Custom Routes</h1>
+        <table>
+          ${rules
+            .map(
+              rule =>
+                `<tr>
+              <td>${rule}</td>
+              <td><code>⇢</code> ${customRoutes[rule]}</td>
+            </tr>`
+            )
+            .join('')}
+        </table>
+      </div>
+    `
+  }
+}
+
+window
+  .fetch('__rules')
+  .then(response => response.json())
+  .then(
+    customRoutes =>
+      (document.getElementById('custom-routes').innerHTML = CustomRoutesBlock({
+        customRoutes
+      }))
+  )