Method log

packages/logger/src/index.ts:228–312

* Internal method to log a message with the specified level

(level: LogLevel, message: string, ...args: unknown[])

   * Internal method to log a message with the specified level
   */
  private log(level: LogLevel, message: string, ...args: unknown[]) {
    if (!this.shouldLog(level)) return

    const timestamp = new Date().toISOString()
    const formattedArgs = this.formatArgs(args)

    const reqCtx = getRequestContext()
    const effectiveMetadata = reqCtx
      ? {
          requestId: reqCtx.requestId,
          method: reqCtx.method,
          path: reqCtx.path,
          ...this.metadata,
        }
      : this.metadata
    const metadataEntries = Object.entries(effectiveMetadata).filter(([_, v]) => v !== undefined)
    const metadataStr =
      metadataEntries.length > 0
        ? ` {${metadataEntries.map(([k, v]) => `${k}=${v}`).join(' ')}}`
        : ''

    if (this.config.colorize) {
      let levelColor: (text: string) => string
      const moduleColor = chalk.cyan
      const timestampColor = chalk.gray

      switch (level) {
        case LogLevel.DEBUG:
          levelColor = chalk.blue
          break
        case LogLevel.INFO:
          levelColor = chalk.green
          break
        case LogLevel.WARN:
          levelColor = chalk.yellow
          break
        case LogLevel.ERROR:
          levelColor = chalk.red
          break
      }

      const coloredMeta = metadataStr ? ` ${chalk.magenta(metadataStr.trim())}` : ''
      const coloredPrefix = `${timestampColor(`[${timestamp}]`)} ${levelColor(`[${level}]`)} ${moduleColor(`[${this.module}]`)}${coloredMeta}`

      if (level === LogLevel.ERROR) {
        console.error(coloredPrefix, message, ...formattedArgs)
      } else {
        console.log(coloredPrefix, message, ...formattedArgs)
      }
    } else {
      // Structured JSON for production — CloudWatch Log Insights auto-parses JSON lines
      const entry: Record<string, unknown> = {
        timestamp,
        level,
        module: this.module,
        message,
      }
      for (const [k, v] of metadataEntries) {