Method format

src/formatters/lambda.ts:10–20

(data: LogData)

 */
export class CloudwatchLogFormatter implements ILogFormatter {
  format(data: LogData): string {
    const { awsRequestId, level, msg } = data;

    // extract parts for message format
    const time = new Date().toISOString();
    const levelTag = formatLevel(level);

    return `${time}${
      awsRequestId ? `\t${awsRequestId}` : ''
    }\t${levelTag}\t${msg}\t${JSON.stringify(data)}`;
  }
}