fig-folder/scripts/postinstall.js

A CLI tool to organize configuration files into a fig/ folder with safe mode option

#!/usr/bin/env node

import fs from 'fs/promises';
import path from 'path';

async function addFigScript() {
  try {
    // Find the user's package.json by going up from node_modules
    let currentDir = process.cwd();
    let userPackagePath = null;
    
    // Walk up the directory tree to find package.json outside of node_modules
    while (currentDir !== path.dirname(currentDir)) {
      const potentialPackagePath = path.join(currentDir, 'package.json');
      try {
        await fs.access(potentialPackagePath);
        // Check if we're in node_modules
        if (!currentDir.includes('node_modules')) {
          userPackagePath = potentialPackagePath;
          break;
        }
      } catch (error) {
        // package.json doesn't exist in this directory
      }
      currentDir = path.dirname(currentDir);
    }
    
    if (!userPackagePath) {
      console.log('ℹ️  No package.json found outside of node_modules');
      console.log('   To use fig, run: npx fig-folder');
      return;
    }
    
    // Read the user's package.json
    const packageContent = await fs.readFile(userPackagePath, 'utf8');
    const packageJson = JSON.parse(packageContent);
    
    // Add the fig script if it doesn't exist
    if (!packageJson.scripts) {
      packageJson.scripts = {};
    }
    
    if (!packageJson.scripts.fig) {
      packageJson.scripts.fig = 'npx fig-folder';
      
      // Write back to package.json
      await fs.writeFile(userPackagePath, JSON.stringify(packageJson, null, 2) + '\n');
      
      console.log('✅ Added "fig" script to your package.json');
      console.log('   You can now run: npm run fig');
    } else {
      console.log('ℹ️  "fig" script already exists in your package.json');
    }
    
  } catch (error) {
    // Silently fail if we can't modify the user's package.json
    // This might happen if they don't have write permissions or no package.json
    console.log('ℹ️  To use fig, run: npx fig-folder');
  }
}

addFigScript();