class: Logger

• since: v1.8
• langs: js
• deprecated: This class is deprecated. The logs pumped through this class are incomplete. Please use tracing instead.

Playwright generates a lot of logs and they are accessible via the pluggable logger sink.

const { chromium } = require('playwright');  // Or 'firefox' or 'webkit'.

(async () => {
  const browser = await chromium.launch({
    logger: {
      isEnabled: (name, severity) => name === 'api',
      log: (name, severity, message, args) => console.log(`${name} ${message}`)
    }
  });
  // ...
})();

method: Logger.isEnabled

• since: v1.8

• returns: <[boolean]>

Determines whether sink is interested in the logger with the given name and severity.

param: Logger.isEnabled.name

• since: v1.8

• name <[string]>

logger name

param: Logger.isEnabled.severity

• since: v1.8

• severity <[LogSeverity]<"verbose"|"info"|"warning"|"error">>

method: Logger.log

• since: v1.8

param: Logger.log.name

• since: v1.8

• name <[string]>

logger name

param: Logger.log.severity

• since: v1.8

• severity <[LogSeverity]<"verbose"|"info"|"warning"|"error">>

param: Logger.log.message

• since: v1.8

• message <[string]|[Error]>

log message format

param: Logger.log.args

• since: v1.8

• args <[Array]<[Object]>>

message arguments

param: Logger.log.hints

• since: v1.8

• hints <[Object]>
  • color ?<[string]> Optional preferred logger color.

optional formatting hints

Source: docs/src/api/class-logger.md