Debug console error Unimplemented console API: undefined

Ionic Framework ionic-v3
1

Hello,

I am getting

Unimplemented console API: undefined

when I try to debug in Visual Studio Code on Android device. It was working perfectly until about one week ago and I am not sure what made it behave like that. The app is starting, but I don’t see any exception message or console.log message. For every message I should receive, I get the error above.
I searched on google with the error message, but I can’t find any good result.

It also happens on a new project.

ionic info

Cordova CLI: 6.3.1
Ionic Framework Version: 2.0.0-rc.1
Ionic CLI Version: 2.1.1
Ionic App Lib Version: 2.1.1
Ionic App Scripts Version: 0.0.36
OS:
Node Version: v6.7.0

vscode

version 1.6.1

Can anyone help me, please?

Thank you,
Bogdan

1 Like
2

Can you paste your tsconfig.json?

3 
{
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "declaration": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "lib": [
      "dom",
      "es2015"
    ],
    "module": "es2015",
    "moduleResolution": "node",
    "target": "es5"
  },
  "exclude": [
    "node_modules"
  ],
  "compileOnSave": false,
  "atom": {
    "rewriteTsconfig": false
  }
}
4

hello,

i am also having the same error. even in an empty project.

did you find any solution?

best,

5

same problem here, any solution ?

6

I’m experiencing the same issue (on Windows 10).

Any resolution or workarounds? This issue is critical! We’re driving blind without console logs.

7

I’ve the same problem but only on a physical tablet that has been automatically updated today.

In the emulator this error doesn’t happens.

I suspect that the last WebView update has broken “console”.

Any ideas?

8

This happens to me as well when attached with Visual Studio Code and Android. It was working for me last week and just stopped. I updated my Cordova Android platform so not sure if it is tied to that or not.

9

For your interest seems there is a “bug” in VS Code. The solution can be found here:

The steps to work around this bug are:

  1. go to your vscode extension directory, either C:\Users<user>.vscode\extensions\ or ~/.vscode/extensions
  2. then go to vsmobile.cordova-tools-1.2.3/node_modules/vscode-chrome-debug-core/out/src/chrome/ and open up consoleHelper.js.
  3. look around line 37 for outputText = 'Unimplemented console API: ’ + m.type;
  4. change that to outputText = m.text;