Clipboard Translator using OpenAI API This Deno script translates text from your clipboard using OpenAI's API and copies the result back to your clipboard

translate.ts

#!/usr/bin/env -S deno run --allow-net --allow-env --allow-run --allow-read --allow-write

import { copy, paste } from "https://deno.land/x/[email protected]/mod.ts";
import { config } from "https://deno.land/x/[email protected]/mod.ts";

// Load environment variables
config({ export: true });

const DEFAULT_SYSTEM = "Translate any user input into English, in an informal and concise way.";
const DEFAULT_MODEL = "gpt-4o-mini";

async function notify(message: string, timeout: number = 2000): Promise<void> {
  if (Deno.build.os === "windows") {
    console.log(message);
  } else {
    const args = [ "-t", timeout.toString(), "Translate", message];
    const cmd = new Deno.Command('notify-send', {args});
    await cmd.output();
  }
}

async function translate(text: string): Promise<string> {
  const apiKey = Deno.env.get("OPENAI_API_KEY");
  if (!apiKey) {
    throw new Error("OPENAI_API_KEY must be set in your environment");
  }

  const response = await fetch("https://api.openai.com/v1/chat/completions", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "Authorization": `Bearer ${apiKey}`,
    },
    body: JSON.stringify({
      model: DEFAULT_MODEL,
      messages: [
        { role: "system", content: DEFAULT_SYSTEM },
        { role: "user", content: text },
      ],
    }),
  });

  const data = await response.json();
  return data.choices[0].message.content;
}

async function main() {
  try {
    await notify("Translating clipboard text...");

    const textFromClipboard = await paste();
    if (!textFromClipboard) {
      throw new Error("No text found in clipboard.");
    }

    const translatedText = await translate(textFromClipboard);

    await copy(translatedText);
    await notify("Translation copied to clipboard.", 5000);
  } catch (error) {

    if (error instanceof Error) {
      await notify(`Error: ${error.message}`);
    } else {
      throw error;
    }

  }
}

if (import.meta.main) {
  main();
}