docs: function resultReducer (options, summary, filePath) {
    sassLint.lintFiles(filePath, options).forEach((report) => {
      if (report.messages.length !== 0) {
        this.printFilePath(filePath)
  
        report.messages.forEach((message) => {
          const severity = message.severity === 2 ? 'error' : 'warning'
          this.printLintItem(message.line, message.column, severity, message.message, message.ruleId)
        })
  
        console.log('') // logging empty line
      }
  
      summary.errors += report.errorCount
      summary.warnings += report.warningCount
    })
  
    return summary
  }