bash command to recursive combine js/ts files into one file to use as context for LLMS like GPT

combine.sh

find path/to/folder -type f \( -name "*.(js|ts)" -o -name "*.ts" \) -print0 | 
  while IFS= read -r -d '' file; do
    echo "## $(basename "$file")"
    cat "$file"
  done
} > codebase.txt