winstonjs/winston

Custom log levels can be silent unless level is also specified

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#1491 aperta il 3 ott 2018

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 (6 commenti) (0 reazioni) (0 assegnatari)JavaScript (1789 fork)batch import
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Descrizione

It is easy to write the following code and not realize that one has made a mistake:

const logger = winston.createLogger({
  levels: { eeny: 0, meeny: 1, miney: 2, moe: 3},
  transports: [
    new winston.transports.Console(),
  ]
});

logger.meeny('catch a tiger by the toe'); // never hollers

This could be addressed by the following check in the Logger constructor:

    if (!Object.keys(this.levels).includes(this.level)) {
      throw new Error(`Logger level ${this.level} is not in the levels: ${this.levels}`);
    }

I can open a PR if people agree it is worth fixing.

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