🐛 Angular (ng), Nrwl (nx) Workspace Debugging

warrendugan

Warren Dugan

Posted on March 1, 2022

🐛 Angular (ng), Nrwl (nx) Workspace Debugging

How to debug your angular application inside of an Nx workspace

The launch.json file takes a configurations array of json object configurations.

  • The first config is a reusable configuration we will keep hidden. This is done by adding the presentation option with a property of hidden set to true.

  • The following two (2) configs are app specific. For demonstration purposes I've used simplified app names but, hopefully, you can see where to replace the kebab cased name in the command property and the capitalized variant in the name property.


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": [
    {
      "type": "chrome",
      "request": "launch",
      "name": "Launch Chrome Debugger",
      "url": "http://localhost:4200",
      "webRoot": "${workspaceFolder}",
      "presentation": {
        "hidden": true
      }
    },
    {
      "command": "ng serve --project app-one",
      "name": "Debug App One",
      "cwd": "${workspaceFolder}",
      "request": "launch",
      "type": "node-terminal",
      "serverReadyAction": {
        "action": "startDebugging",
        "name": "Launch Chrome Debugger",
        "pattern": "listening on localhost:4200"
      }
    },
    {
      "command": "ng serve -- --project app-two",
      "name": "Debug App Two",
      "cwd": "${workspaceFolder}",
      "request": "launch",
      "type": "node-terminal",
      "serverReadyAction": {
        "action": "startDebugging",
        "name": "Launch Chrome Debugger",
        "pattern": "listening on localhost:4200"
      }
    },
  ]
}


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Debug Panel Screenshot

After clicking start on App One or App Two the serve command will begin compiling your code as usual. Once it is done compiling it will signal a ready action to launch the chrome debugger.

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warrendugan
Warren Dugan

Posted on March 1, 2022

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