Function printStacks

index.js:56–85

(asyncResource, logger)

}

function printStacks (asyncResource, logger) {
  const stacks = asyncResource.stacks.filter((stack) => {
    const fileName = stack.fileName
    return fileName !== null && !fileName.startsWith('node:')
  })

  logger.error('')
  logger.error(`# ${asyncResource.type}`)

  if (!stacks[0]) {
    logger.error('(unknown stack trace)')
    return
  }

  const maxLength = stacks.reduce((length, stack) => Math.max(length, formatLocation(stack).length), 0)

  for (const stack of stacks) {
    const location = formatLocation(stack)
    const padding = ' '.repeat(maxLength - location.length)
    
    try {
      const lines = readFileSync(normalizeFilePath(stack.fileName), 'utf-8').split(/\n|\r\n/)
      const line = lines[stack.lineNumber - 1].trim()

      logger.error(`${location}${padding} - ${line}`)
    } catch (e) {
      logger.error(`${location}${padding}`)
    }
  }
}

function formatLocation (stack) {
  const filePath = formatFilePath(stack.fileName)