rgb-to-hex converter fully implemented

backend/.prettierignore

@@ -0,0 +1,3 @@
+# Ignore artifacts:
+build
+coverage

backend/.prettierrc

@@ -0,0 +1 @@
+{}

backend/package-lock.json

@@ -19,6 +19,7 @@
       },
       "devDependencies": {
         "@types/node": "^22.13.4",
+        "prettier": "3.5.1",
         "ts-node": "^10.9.2",
         "typescript": "^5.7.3"
       }
@@ -758,6 +759,22 @@
       "integrity": "sha512-e906FRY0+tV27iq4juKzSYPbUj2do2X2JX4EzSca1631EB2QJQUqGbDuERal7LCtOpxl6x3+nvo9NPZcmjkiFA==",
       "license": "MIT"
     },
+    "node_modules/prettier": {
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.1.tgz",
+      "integrity": "sha512-hPpFQvHwL3Qv5AdRvBFMhnKo4tYxp0ReXiPn2bxkiohEX6mBeBwEpBSQTkD458RaaDKQMYSp4hX4UtfUTA5wDw==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/process-warning": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/process-warning/-/process-warning-4.0.1.tgz",

backend/package.json

@@ -22,6 +22,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.13.4",
+    "prettier": "3.5.1",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.3"
   }

backend/server.ts

@@ -1,15 +1,17 @@
 import Fastify from "fastify";
 import cors from "@fastify/cors";
-import multipart from '@fastify/multipart';
+import multipart from "@fastify/multipart";
 import { libreConvert } from "./src/routes/libreconvert.route";
+import { colorConvert } from "./src/routes/colorconvert.route";
 
 const app = Fastify({ logger: true });
 
 app.register(cors, { origin: "*" });
 app.register(multipart);
 app.register(libreConvert);
+app.register(colorConvert);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
-    console.log(`🚀Fastify is live on http://localhost:${PORT}`);
+  console.log(`🚀Fastify is live on http://localhost:${PORT}`);
 });

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!" });
+      }
+    },
+  );
+}

backend/src/routes/libreconvert.route.ts

@@ -5,26 +5,29 @@ import { promisify } from "util";
 const libreConvertAsync = promisify(libre.convert);
 
 export async function libreConvert(app: FastifyInstance) {
-  app.post("/api/libre-convert", async (request: FastifyRequest, reply: FastifyReply) => {
-    try {
-      const data = await request.file();
-      if (!data) {
-        return reply.status(400).send({ error: "No file uploaded!" });
-      }
+  app.post(
+    "/api/libre-convert",
+    async (request: FastifyRequest, reply: FastifyReply) => {
+      try {
+        const data = await request.file();
+        if (!data) {
+          return reply.status(400).send({ error: "No file uploaded!" });
+        }
 
-      const ext = ".pdf";
-      const format = ext.substring(1);
-      const fileBuffer = await data.toBuffer();
+        const ext = ".pdf";
+        const format = ext.substring(1);
+        const fileBuffer = await data.toBuffer();
 
-      const pdfBuffer = await libreConvertAsync(fileBuffer, ext, undefined);
+        const pdfBuffer = await libreConvertAsync(fileBuffer, ext, undefined);
 
-      reply
+        reply
           .header("Content-Type", "application/" + format)
           .header("Content-Disposition", "attachment; filename=converted" + ext)
           .send(pdfBuffer);
-    } catch (error) {
-      console.error("Convert error:", error);
-      reply.status(500).send({ error: "Error while converting!" });
-    }
-  });
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
 }

frontend/src/app/rgb-to-hex/layout.tsx

@@ -0,0 +1,20 @@
+import React from "react";
+import type { Metadata } from "next";
+import { toolLinks } from "@/constants";
+
+export const metadata: Metadata = {
+  title: toolLinks[2].title,
+  description: "Converter for rgb to hex color format!",
+};
+
+export default function RootLayout({
+                                     children,
+                                   }: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+    <body className={`antialiased`}>{children}</body>
+    </html>
+  );
+}

frontend/src/app/rgb-to-hex/page.tsx

@@ -0,0 +1,133 @@
+"use client";
+
+import React, { useState } from "react";
+import Navbar from "../../components/Navbar";
+import Footer from "../../components/Footer";
+import Button from "../../components/Button";
+
+export default function RgbToHex() {
+
+  const [loading, setLoading] = useState(false);
+  const [hex, setHex] = useState("");
+
+  const convertToHex = async () => {
+
+    setLoading(true);
+
+    const red = (document.getElementById("red") as HTMLInputElement).value;
+    const green = (document.getElementById("green") as HTMLInputElement).value;
+    const blue = (document.getElementById("blue") as HTMLInputElement).value;
+
+    try {
+      const response = await fetch(
+        process.env.backend_url + "/api/color-convert",
+        {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({  red: red, green: green, blue: blue }),
+        },
+      );
+      if (!response.ok) {
+        return new Error(`Error: ${response.statusText}`);
+      }
+      const hex: string = await response.text();
+      setHex(hex);
+
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const clearInAndOutput = () => {
+    setHex("");
+    const red = document.getElementById("red") as HTMLInputElement;
+    const green = document.getElementById("green") as HTMLInputElement;
+    const blue = document.getElementById("blue") as HTMLInputElement;
+    red.value = "";
+    green.value = "";
+    blue.value = "";
+  };
+
+  const checkInput = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const color = (document.getElementById(event.target.id) as HTMLInputElement);
+    const colorValue = +color.value;
+
+    if (colorValue < 0 || colorValue > 255 ) {
+      alert("Invalid input. Please enter a number between 0 and 255.");
+    }
+    if (colorValue < 0) {
+      color.value = "0";
+    } else if (colorValue > 255) {
+      color.value = "255";
+    }
+  }
+
+  return (
+    <div className="h-screen w-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-screen flex flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">rgb-to-hex</h2>
+        <div className="border-2 border-white p-3 rounded-xl text-center text-white">
+          <label className="mr-2" htmlFor="red">Red:</label>
+          <input
+            type="number"
+            id="red"
+            name="red"
+            min="0"
+            max="255"
+            className="w-16 bg-black border-1 border-white text-center"
+            onInput={checkInput}
+          />
+          <label className="mx-2 text-white" htmlFor="green">Green:</label>
+          <input
+            type="number"
+            id="green"
+            name="green"
+            min="0"
+            max="255"
+            className="w-16 bg-black border-1 border-white text-center"
+            onChange={checkInput}
+          />
+          <label className="mx-2" htmlFor="blue">Blue:</label>
+          <input
+            type="number"
+            id="blue"
+            name="blue"
+            min="0"
+            max="255"
+            className="w-16 bg-black border-1 border-white text-center"
+            onInput={checkInput}
+          />
+        </div>
+        <div className={"flex flex-row items-center gap-4 mt-4 mb-16"}>
+          <Button
+            content={
+              loading ? (
+                <div className="h-10 w-10 border-8 border-blue-100 border-t-blue-500 rounded-full animate-spin" />
+              ) : (
+                "convert"
+              )
+            }
+            onClick={convertToHex}
+          />
+          <Button
+            content="clear"
+            onClick={clearInAndOutput}
+          />
+          </div>
+        <div className="p-3 rounded-xl text-center">
+          <output
+            id="hex"
+            className="text-blue-400 text-3xl"
+          >{hex}</output>
+        </div>
+      </div>
+      <Footer />
+    </div>
+  );
+}