Print custom schematics logs in angular-cli

Question

I'm writing custum angular upgrade schematics.

The SchematicContext contains a logger object which can be usefull to debug.

 context.logger.debug('This logger seems to be usefull!');

Running angular-cli, my code is executed but I can't see the logs.

Is there a mean to activate and configure this logger ?

score 1 · Answer 1 · answered Sep 23 '18 at 21:17

1

I dont think debug is visible by default level of logging. Trying changing logging level to info or above.

answered Sep 23 '18 at 21:17

Ben

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Any reason why debug wouldn't be visible? I tried going through the source code and couldn't see any difference with the debug method vs info, warn, etc. – Jesse Mar 11 '19 at 18:44

score 1 · Answer 2 · answered Apr 29 '21 at 16:40

The help says to use --verbose but it doesn't work.

$ ng add --help
options:
  --verbose 
    Display additional details about internal operations during execution.

The proper solution is to set the env variable NG_DEBUG to true.

# On macOS:
$ NG_DEBUG=true ng add @scope/my-schematic

score 0 · Answer 3 · answered Mar 11 '19 at 18:34

0

I also can't get .debug to do anything. The other methods work, though: warn, error, info, etc., so at least those are useful. Just be sure to run "yarn build" before running it.

answered Mar 11 '19 at 18:34

Jesse

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Print custom schematics logs in angular-cli

3 Answers3