zsh Script to create new Excalidraw in VS Code

excalidraw.sh

# Create new Excalidraw file in a "designs" folder
function new_excalidraw() {
  local filename="${1:-diagram}"  # Use 'diagram' as default if no name provided

  # Validate filename
  if [[ ! "$filename" =~ ^[a-zA-Z0-9_-]+$ ]]; then
    echo -e "\033[0;31mError: Filename can only contain letters, numbers, underscores, and hyphens\033[0m"
    return 1
  fi

  # Initial Excalidraw JSON content
  local initial_content='{
    "type": "excalidraw",
    "version": 2,
    "source": "https://excalidraw.com",
    "elements": [],
    "appState": {
      "viewBackgroundColor": "#ffffff"
    }
  }'

  # Determine path: inside Git repo or current directory
  if git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
    local designs_path="$(git rev-parse --show-toplevel)/designs"
  else
    local designs_path="$(pwd)/designs"
  fi

  # Create "designs" folder if it doesn't exist
  if ! mkdir -p "$designs_path"; then
    echo -e "\033[0;31mError: Failed to create designs directory\033[0m"
    return 1
  fi

  # Define file path and create file
  local path="$designs_path/$filename.excalidraw"
  echo "$initial_content" > "$path"

  if [ ! -f "$path" ]; then
    echo -e "\033[0;31mError: Failed to create file\033[0m"
    return 1
  fi

  # Print success message
  echo -e "\033[0;32mSuccessfully created $path\033[0m"
  echo -e "\033[0;33m[!] Consider adding 'designs/' to .gitignore.\033[0m"
  echo -e "\033[0;34mOpen the file in VS Code with Excalidraw extension\033[0m"
}

# Add alias for the new_excalidraw function
alias excalidraw='new_excalidraw'