launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Launch Program",
            "type": "node",
            "request": "launch",
            "program": "${workspaceFolder}/source/app.js",
            "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
            "windows": {
                "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
            }
        },
        {
            "name": "Debug Renderer Process",
            "type": "pwa-chrome",
            "request": "launch",
            "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
            "windows": {
              "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
            },
            "runtimeArgs": [
              "${workspaceRoot}",
              "--enable-logging",
              "--remote-debugging-port=9222"
            ],
            "webRoot": "${workspaceRoot}"
        }
    ]
}