rgb-to-hex converter fully implemented

backend/src/routes/colorconvert.route.ts

@@ -0,0 +1,29 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+
+interface RequestBody {
+  red: string;
+  green: string;
+  blue: string;
+}
+
+export async function colorConvert(app: FastifyInstance) {
+  app.post(
+    "/api/color-convert",
+    async (
+      request: FastifyRequest<{ Body: RequestBody }>,
+      reply: FastifyReply,
+    ) => {
+      try {
+        const data = request.body;
+        if (!data) {
+          return reply.status(400).send({ error: "No RGB declared!" });
+        }
+        const hex = (`#${(+data.red).toString(16).padStart(2, "0")}${(+data.green).toString(16).padStart(2, "0")}${(+data.blue).toString(16).padStart(2, "0")}`).toUpperCase();
+        reply.header("Content-Type", "application/json").send({ hex: hex });
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
+}