@egomobile/log-filter

withFilterExpression

• withFilterExpression(expression: string | string[], options?: Nilable<IWithFilterExpressionOptions>): LoggerFilter

• Creates a new instance of a log filter, which uses Filterex.

  example

  import log from '@egomobile/log'
  import { withFilterExpression } from '@egomobile/log-filter'
  
  // only warning or errors
  const expression = 'severity == "warn" or severity == "error"'
  
  log.use(withFilterExpression(expression))
  
  // will log:
  log.warn('foo')
  log.error('')
  
  // will not log:
  log('foo')
  log.debug('foo')
  log.info('foo')
  log.trace('foo')
  

  Parameters

  • expression: string | string[]

    The expression to compile.

  • Optional options: Nilable<IWithFilterExpressionOptions>

  Returns LoggerFilter

  The new instance.