Files
aicommits/aicommits.ts
2023-02-13 17:32:23 -05:00

105 lines
2.8 KiB
JavaScript

#!/usr/bin/env node
import chalk from "chalk";
import { execSync } from "child_process";
import inquirer from "inquirer";
import fetch from "node-fetch";
let OPENAI_API_KEY = process.env.OPENAI_API_KEY;
export async function main() {
console.log(chalk.white("▲ ") + chalk.green("Welcome to AICommit!"));
if (!OPENAI_API_KEY) {
console.error(
chalk.white("▲ ") +
"Please specify an OpenAI key using export OPEN_AI_KEY='YOUR_API_KEY'"
);
process.exit(1);
}
try {
execSync("git rev-parse --is-inside-work-tree", {
encoding: "utf8",
stdio: "ignore",
});
} catch (e) {
console.error(chalk.white("▲ ") + "This is not a git repository");
process.exit(1);
}
const diff = execSync("git diff --cached", { encoding: "utf8" });
if (!diff) {
console.log(
chalk.white("▲ ") +
"No staged changes found. Make sure there are changes and run `git add .`"
);
process.exit(1);
}
// Accounting for GPT-3's input req of 4k tokens (approx 8k chars)
if (diff.length > 8000) {
console.log(
chalk.white("▲ ") + "The diff is too large to write a commit message."
);
process.exit(1);
}
let prompt = `I want you to act like a git commit message writer. I will input a git diff and your job is to convert it into a useful commit message. Do not preface the commit with anything, return a complete sentence, and do not repeat yourself: ${diff}`;
console.log(
chalk.white("▲ ") + chalk.gray("Generating your AI commit message...\n")
);
const aiCommitMessage = await generateCommitMessage(prompt);
console.log(
chalk.white("▲ ") + chalk.bold("Commit message: ") + aiCommitMessage + "\n"
);
const confirmationMessage = await inquirer.prompt([
{
name: "useCommitMessage",
message: "Would you like to use this commit message? (Y / n)",
choices: ["Y", "y", "n"],
default: "y",
},
]);
if (confirmationMessage.useCommitMessage === "n") {
console.log(chalk.white("▲ ") + "Commit message has not been commited.");
process.exit(1);
}
execSync(`git commit -m "${aiCommitMessage}"`, {
stdio: "inherit",
encoding: "utf8",
});
}
async function generateCommitMessage(prompt: string) {
const payload = {
model: "text-davinci-003",
prompt,
temperature: 0.7,
top_p: 1,
frequency_penalty: 0,
presence_penalty: 0,
max_tokens: 200,
stream: false,
n: 1,
};
const response = await fetch("https://api.openai.com/v1/completions", {
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${OPENAI_API_KEY ?? ""}`,
},
method: "POST",
body: JSON.stringify(payload),
});
const json: any = await response.json();
const aiCommit = json.choices[0].text;
return aiCommit.replace(/(\r\n|\n|\r)/gm, "");
}