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Enable Debug Mode

The Debug Mode can be enabled by setting the DEBUG config options, which can be done by either setting it as a Environment Variable or package.json option.

Examples​

Via Environment Variable​

# also available case-insensitive values: "on" "yes" "true"
MONGOMS_DEBUG=1 npm run test

Via package.json config​

{
  "config": {
    "mongodbMemoryServer": {
      "debug": "1", // also available case-insensitive values: "on" "yes" "true"
    }
  }
}

Extra Notes​

npm quirks​

Starting with NPM 7, scripts (like postinstall) will run in parallel and will not output any logging, but sometimes in mongodb-memory-server it is required to provide the Debug Log from a postinstall script.

Logging can be temporarly enabled with:

# Change scripts to be executed on the NPM main proccess instead of workers AND log script output
MONGOMS_DEBUG=1 npm install --foreground-scripts