fastify-plugin/stackParser.js

'use strict'

const fpStackTracePattern = /at\s{1}(?:.*\.)?plugin\s{1}.*\n\s*(.*)/
const fileNamePattern = /(\w*(\.\w*)*)\..*/

module.exports = function extractPluginName (stack) {
  const m = stack.match(fpStackTracePattern)

  // get last section of path and match for filename
  return m ? m[1].split(/[/\\]/).slice(-1)[0].match(fileNamePattern)[1] : 'anonymous'
}