Node file utils

combineFiles.js

const fs = require('fs')
const path = require('path')

// Function to get all .ts files recursively
const getAllTsFiles = (dir, fileList = []) => {
  const files = fs.readdirSync(dir)
  files.forEach((file) => {
    const filePath = path.join(dir, file)
    if (fs.statSync(filePath).isDirectory()) {
      fileList = getAllTsFiles(filePath, fileList)
    } else if (file.endsWith('.ts')) {
      fileList.push(filePath)
    }
  })
  return fileList
}

// Function to concatenate file contents
const concatenateFiles = (files) => {
  let combinedContent = ''
  files.forEach((file) => {
    const content = fs.readFileSync(file, 'utf-8')
    combinedContent += `// ${file}\n${content}\n\n// -----------------------------------\n`
  })
  return combinedContent
}

// Main function
const main = (dir, outputFilePath) => {
  const tsFiles = getAllTsFiles(dir)
  tsFiles.sort((a, b) => a.localeCompare(b, undefined, { numeric: true }))
  const combinedContent = concatenateFiles(tsFiles)
  fs.writeFileSync(outputFilePath, combinedContent)
  console.log(`Combined content written to ${outputFilePath}`)
}

// Get arguments from the command line
const args = process.argv.slice(2)
const directoryPath = args[0] || './src'
const outputFile = args[1] || 'combined-src.txt'

main(directoryPath, outputFile)