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openstapps/README.md
Anselm Stordeur 911d71cf3b feat: add logger
2018-11-28 18:31:01 +01:00

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# @openstapps/logger
[![pipeline status](https://gitlab.com/openstapps/logger/badges/master/pipeline.svg)](https://gitlab.com/openstapps/logger/commits/master)
[![coverage report](https://gitlab.com/openstapps/logger/badges/master/coverage.svg)](https://gitlab.com/openstapps/logger/commits/master)
This is a simple logger for TypeScript projects with colors for console output.
Logs are only printed if their log level is equal or higher than the defined log level.
## Log Levels
Available Log levels are:
- 1 - INFO
- 2 - LOG
- 4 - WARN
- 8 - ERROR
- 16 - OK
You can set your Log Level with the environment variable
`STAPPS_LOG_LEVEL` in a binary way.
For example `STAPPS_LOG_LEVEL=17` is 16 + 1 and would log everything
that is `OK` or `ERROR`.
If you want to use Logger in production (`NODE_ENV=production`) and allow all transports to fail set `ALLOW_NO_TRANSPORT` to `true`.
## SMTP
This class also provides a simple implementation of an smtp transport which can be used as a
`TransportWithVerification` for the logger. You can use this to transport errors of the logger or to transport mails
of your own monitoring solution.
### Usage
You can instatiate it with a config or it will check for a config in the environment variables.
Environment variables are:
* SMTP_AUTH_USER: SMTP username
* SMTP_AUTH_PASSWORD: SMTP password
* SMTP_HOST: SMTP host
* SMTP_PORT: SMTP port
* SMTP_RECIPIENTS: comma seperated list of recipients
* SMTP_CC: comma seperated list of recipients for the carbon copy (CC)
* SMTP_SENDER_MAIL: sender of the mail
* SMTP_SENDER_NAME: name of the sender
* SMTP_SECURE: `true` to enable tls