Source Map Generator Function

sourcemap_cli.py

import json
import os
from pathlib import Path

def generate_sources_from_map(source_map_path):
    # Read the source map file
    with open(source_map_path, 'r') as f:
        source_map = json.load(f)

    # Get the current working directory
    current_dir = Path.cwd()

    # Iterate through the sources and sourcesContent
    for source, content in zip(source_map['sources'], source_map['sourcesContent']):
        # Skip if the file is under node_modules
        if 'node_modules' in source:
            print(f"Skipping {source} as it's under node_modules")
            continue

        # Create a Path object for the source file
        source_path = Path(source)

        # Ensure the path is relative and doesn't go outside the current directory
        try:
            relative_path = source_path.relative_to('/')
        except ValueError:
            relative_path = source_path

        # Resolve the full path
        full_path = current_dir / relative_path

        # Check if the resolved path is within or equal to the current directory
        if current_dir not in full_path.parents and current_dir != full_path:
            print(f"Skipping {source} as it would be created outside the current directory")
            continue

        # Create necessary directories
        full_path.parent.mkdir(parents=True, exist_ok=True)

        # Write the content to the file
        with open(full_path, 'w') as f:
            f.write(content)

        print(f"Created {full_path}")

# Example usage
if __name__ == "__main__":
    generate_sources_from_map('path/to/your/source-map.json')