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simple-mail-cleaner/backend/node_modules/pino/docs/diagnostics.md
2026-01-22 15:49:12 +01:00

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Diagnostics

Pino provides tracing channel events that allow insight into the internal workings of the library. The currently supported events are:

  • tracing:pino_asJson:start: emitted when the final serialization process of logs is started. The emitted event payload has the following fields:
    • instance: the Pino instance associated with the function
    • arguments: the arguments passed to the function
  • tracing:pino_asJson:end: emitted at the end of the final serialization process. The emitted event payload has the following fields:
    • instance: the Pino instance associated with the function
    • arguments: the arguments passed to the function
    • result: the finalized, newline delimited, log line as a string