node-linker-pro/nlp-init.mjs

Keep node_modules out of cloud sync folders by linking them to a local cache. Cross-platform. Includes global npm setup command.

#!/usr/bin/env node
import fsp from "fs/promises";
import path from "path";
import chalk from "chalk";

const projectDir = process.cwd();
const pkgPath = path.join(projectDir, "package.json");

async function init() {
  console.log(chalk.blue("Configuring project for node-linker-pro..."));

  let pkgContent;
  let pkgData;

  try {
    pkgContent = await fsp.readFile(pkgPath, "utf-8");
    pkgData = JSON.parse(pkgContent);
  } catch (err) {
    console.error(chalk.red("Error: No `package.json` found in the current directory."));
    console.error(chalk.yellow("Please run this command from the root of your project."));
    process.exit(1);
  }

  // Ensure scripts object exists
  if (!pkgData.scripts) {
    pkgData.scripts = {};
  }

  const preinstallCommand = "node-linker-pro";

  if (pkgData.scripts.preinstall === preinstallCommand) {
    console.log(chalk.green("✅ Project is already configured."));
    console.log(`You can now run ${chalk.cyan("npm install")} as usual.`);
    return;
  }

  if (pkgData.scripts.preinstall) {
    console.error(chalk.red("Error: A `preinstall` script already exists in your package.json."));
    console.error(chalk.yellow("Please manually add `node-linker-pro` to your existing preinstall script."));
    console.error(`Current preinstall: "${pkgData.scripts.preinstall}"`);
    process.exit(1);
  }

  pkgData.scripts.preinstall = preinstallCommand;

  // Preserve original formatting (indentation)
  const indent = pkgContent.match(/^(\s*)"/m)?.[1] || "  ";
  const newPkgContent = JSON.stringify(pkgData, null, indent);

  await fsp.writeFile(pkgPath, newPkgContent);

  console.log(chalk.green("✅ Success! Added `preinstall` script to your package.json."));
  console.log(chalk.bold(`\nNow, just run ${chalk.cyan("npm install")} to link and install your dependencies.`));
}

init().catch(err => {
    console.error(chalk.red("An unexpected error occurred:"), err);
    process.exit(1);
});