dd-trace/packages/datadog-plugin-graphql/src/utils.js

Datadog APM tracing client for JavaScript

'use strict'

function extractErrorIntoSpanEvent (config, span, exc) {
  const attributes = {}

  if (exc.name) {
    attributes.type = exc.name
  }

  if (exc.stack) {
    attributes.stacktrace = exc.stack
  }

  if (exc.locations) {
    attributes.locations = []
    for (const location of exc.locations) {
      attributes.locations.push(`${location.line}:${location.column}`)
    }
  }

  if (exc.path) {
    attributes.path = exc.path.map(String)
  }

  if (exc.message) {
    attributes.message = exc.message
  }

  if (config.graphqlErrorExtensions) {
    for (const ext of config.graphqlErrorExtensions) {
      if (exc.extensions?.[ext]) {
        const value = exc.extensions[ext]

        // We should only stringify the value if it is not of type number or boolean
        if (typeof value === 'number' || typeof value === 'boolean') {
          attributes[`extensions.${ext}`] = value
        } else {
          attributes[`extensions.${ext}`] = String(value)
        }
      }
    }
  }

  span.addEvent('dd.graphql.query.error', attributes, Date.now())
}

module.exports = {
  extractErrorIntoSpanEvent
}