vibe-check-formatter/bin/index.js

A code formatter that checks the vibe of your code

#!/usr/bin/env node

const fs = require("fs");
const path = require("path");
const { execSync } = require("child_process");
const inquirer = require("inquirer");

// --- Constants ---
const eslintConfig = `module.exports = {
  env: {
    browser: true,
    es2021: true,
    node: true,
  },
  extends: [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier",
  ],
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: "latest",
    sourceType: "module",
  },
  plugins: ["react", "@typescript-eslint"],
  rules: {
    "react/react-in-jsx-scope": "off",
    "no-console": "warn",
    "@typescript-eslint/no-unused-vars": ["warn"],
  },
};
`;

const prettierConfig = `{
  "printWidth": 100,
  "semi": true,
  "singleQuote": true,
  "trailingComma": "all"
}
`;

const scriptsToAdd = {
  lint: "eslint .",
  format: "prettier --write .",
};

// --- Helpers ---
function writeFileSafe(fileName, content) {
  if (fs.existsSync(fileName)) {
    console.log(`⚠️  ${fileName} already exists. Skipping.`);
    return;
  }
  fs.writeFileSync(fileName, content);
  console.log(`✅ Created ${fileName}`);
}

function addScriptsToPackageJSON() {
  const pkgPath = path.resolve("package.json");
  if (!fs.existsSync(pkgPath)) {
    console.log("❌ package.json not found. Run npm init first.");
    process.exit(1);
  }

  const pkg = JSON.parse(fs.readFileSync(pkgPath, "utf-8"));
  pkg.scripts = { ...pkg.scripts, ...scriptsToAdd };
  fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2));
  console.log("✅ Updated package.json scripts");
}

function installDependencies() {
  console.log("📦 Installing dependencies...");
  execSync(
    "npm install -D eslint prettier eslint-config-prettier eslint-plugin-react eslint-plugin-import @typescript-eslint/parser @typescript-eslint/eslint-plugin",
    { stdio: "inherit" }
  );
  console.log("✅ Dependencies installed");
}

// --- Main ---
(async () => {
  console.log("✨ Running vibe-check-formatter init ✨\n");

  const answers = await inquirer.prompt([
    {
      type: "confirm",
      name: "installDeps",
      message: "Install ESLint and Prettier dependencies?",
      default: true,
    },
  ]);

  writeFileSafe(".eslintrc.js", eslintConfig);
  writeFileSafe(".prettierrc", prettierConfig);
  writeFileSafe(".eslintignore", "node_modules\ndist\nbuild\n");
  writeFileSafe(".prettierignore", "node_modules\ndist\nbuild\n");
  addScriptsToPackageJSON();

  if (answers.installDeps) installDependencies();

  console.log("\n🌈 Vibe check complete. Your code is now legally attractive.");
})();