Add DELETE request handler for short link

functions/api/short-links/[id].ts

@@ -0,0 +1,17 @@
+import { jsonError } from "../../common.js";
+
+export async function onRequestDelete(context: RequestContext) {
+  const path = context.data.body?.id;
+
+  if (typeof path !== "string") return jsonError("Invalid path", 400);
+
+  await context.env.D1.prepare(
+    "DELETE FROM short_links WHERE path = ? AND user = ?;",
+  )
+    .bind(path, context.data.current_user.id)
+    .run();
+
+  return new Response(null, {
+    status: 204,
+  });
+}