generates launch config for vscode

launch.py

#!/usr/bin/env python3
import os
import json

CMD_DIR = "./cmd"
LAUNCH_JSON = ".vscode/launch.json"

os.makedirs(".vscode", exist_ok=True)

configs = []
if os.path.isdir(CMD_DIR):
    for name in sorted(os.listdir(CMD_DIR)):
        path = os.path.join(CMD_DIR, name)
        if os.path.isdir(path):
            configs.append({
                "name": f"Debug {name}",
                "type": "go",
                "request": "launch",
                "mode": "auto",
                "program": '${workspaceFolder}' + f"/cmd/{name}",
                "cwd": "${workspaceFolder}",
                "args": [],
                "envFile": [
                    "${workspaceFolder}/.env"
                ]
            })

launch = {
    "version": "0.2.0",
    "configurations": configs
}

with open(LAUNCH_JSON, "w") as f:
    json.dump(launch, f, indent=2)
    f.write("\n")

print("launch.json updated with debug configs for each /cmd subdirectory.")