Generate a csv containing a list of all of the licences used in nodejs projects in a subdirectories

licences.js

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

const startingDir = __dirname

const walkSync = (dir) => {
  fs.readdirSync(dir).forEach(file => {
    if (fs.statSync(path.join(dir, file)).isDirectory()) {
      if (file === 'node_modules') return
      walkSync(path.join(dir, file))
    }
    if (file === 'package.json') {
      console.log(`checking packages in ${dir}`)
      const outFile = `${startingDir}/licenses/${dir.replace(/\//g, '-')}.csv`
      const cmd = `cd ${__dirname}/${dir} && npx license-checker --summary --csv --out ${outFile}`
      // Run license-checker
      execSync(cmd)
      // Remove header row
      execSync(`sed -i '' '1d' ${outFile}`)
      // Add newline to end of file
      execSync(`echo '' >> ${outFile}`)
    }
  });
};

// Recursively walk through all directories
walkSync('.')
// Concat all the csv files into one
execSync(`cat ${startingDir}/licenses/*.csv > ${startingDir}/licenses.csv`)

execSync('open licenses.csv')