launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Launch app development",
      "type": "node",
      "request": "launch",
      "cwd": "${workspaceFolder}",
      "runtimeExecutable": "yarn",
      "runtimeArgs": ["run", "debug", "dev", "test/integration/basic"],
      "skipFiles": ["<node_internals>/**"],
      "port": 9229
    },
    {
      "name": "Launch app build",
      "type": "node",
      "request": "launch",
      "cwd": "${workspaceFolder}",
      "runtimeExecutable": "yarn",
      "runtimeArgs": ["run", "debug", "build", "test/integration/basic"],
      "skipFiles": ["<node_internals>/**"],
      "port": 9229
    },
    {
      "name": "Launch app production",
      "type": "node",
      "request": "launch",
      "cwd": "${workspaceFolder}",
      "runtimeExecutable": "yarn",
      "runtimeArgs": ["run", "debug", "start", "test/integration/basic"],
      "skipFiles": ["<node_internals>/**"],
      "port": 9229
    },
    {
      "type": "node",
      "request": "attach",
      "name": "Attach to existing debugger",
      "port": 9229,
      "skipFiles": ["<node_internals>/**"],
      "outFiles": ["${workspaceFolder}/packages/next/dist/**/*"]
    }
  ]
}