Projektstart

backend/node_modules/pino/lib/caller.js

@@ -0,0 +1,30 @@
+'use strict'
+
+function noOpPrepareStackTrace (_, stack) {
+  return stack
+}
+
+module.exports = function getCallers () {
+  const originalPrepare = Error.prepareStackTrace
+  Error.prepareStackTrace = noOpPrepareStackTrace
+  const stack = new Error().stack
+  Error.prepareStackTrace = originalPrepare
+
+  if (!Array.isArray(stack)) {
+    return undefined
+  }
+
+  const entries = stack.slice(2)
+
+  const fileNames = []
+
+  for (const entry of entries) {
+    if (!entry) {
+      continue
+    }
+
+    fileNames.push(entry.getFileName())
+  }
+
+  return fileNames
+}

backend/node_modules/pino/lib/constants.js

@@ -0,0 +1,28 @@
+/**
+ * Represents default log level values
+ *
+ * @enum {number}
+ */
+const DEFAULT_LEVELS = {
+  trace: 10,
+  debug: 20,
+  info: 30,
+  warn: 40,
+  error: 50,
+  fatal: 60
+}
+
+/**
+ * Represents sort order direction: `ascending` or `descending`
+ *
+ * @enum {string}
+ */
+const SORTING_ORDER = {
+  ASC: 'ASC',
+  DESC: 'DESC'
+}
+
+module.exports = {
+  DEFAULT_LEVELS,
+  SORTING_ORDER
+}

backend/node_modules/pino/lib/deprecations.js

@@ -0,0 +1,8 @@
+'use strict'
+
+const warning = require('process-warning')()
+module.exports = warning
+
+// const warnName = 'PinoWarning'
+
+// warning.create(warnName, 'PINODEP010', 'A new deprecation')

backend/node_modules/pino/lib/levels.js

@@ -0,0 +1,241 @@
+'use strict'
+/* eslint no-prototype-builtins: 0 */
+const {
+  lsCacheSym,
+  levelValSym,
+  useOnlyCustomLevelsSym,
+  streamSym,
+  formattersSym,
+  hooksSym,
+  levelCompSym
+} = require('./symbols')
+const { noop, genLog } = require('./tools')
+const { DEFAULT_LEVELS, SORTING_ORDER } = require('./constants')
+
+const levelMethods = {
+  fatal: (hook) => {
+    const logFatal = genLog(DEFAULT_LEVELS.fatal, hook)
+    return function (...args) {
+      const stream = this[streamSym]
+      logFatal.call(this, ...args)
+      if (typeof stream.flushSync === 'function') {
+        try {
+          stream.flushSync()
+        } catch (e) {
+          // https://github.com/pinojs/pino/pull/740#discussion_r346788313
+        }
+      }
+    }
+  },
+  error: (hook) => genLog(DEFAULT_LEVELS.error, hook),
+  warn: (hook) => genLog(DEFAULT_LEVELS.warn, hook),
+  info: (hook) => genLog(DEFAULT_LEVELS.info, hook),
+  debug: (hook) => genLog(DEFAULT_LEVELS.debug, hook),
+  trace: (hook) => genLog(DEFAULT_LEVELS.trace, hook)
+}
+
+const nums = Object.keys(DEFAULT_LEVELS).reduce((o, k) => {
+  o[DEFAULT_LEVELS[k]] = k
+  return o
+}, {})
+
+const initialLsCache = Object.keys(nums).reduce((o, k) => {
+  o[k] = '{"level":' + Number(k)
+  return o
+}, {})
+
+function genLsCache (instance) {
+  const formatter = instance[formattersSym].level
+  const { labels } = instance.levels
+  const cache = {}
+  for (const label in labels) {
+    const level = formatter(labels[label], Number(label))
+    cache[label] = JSON.stringify(level).slice(0, -1)
+  }
+  instance[lsCacheSym] = cache
+  return instance
+}
+
+function isStandardLevel (level, useOnlyCustomLevels) {
+  if (useOnlyCustomLevels) {
+    return false
+  }
+
+  switch (level) {
+    case 'fatal':
+    case 'error':
+    case 'warn':
+    case 'info':
+    case 'debug':
+    case 'trace':
+      return true
+    default:
+      return false
+  }
+}
+
+function setLevel (level) {
+  const { labels, values } = this.levels
+  if (typeof level === 'number') {
+    if (labels[level] === undefined) throw Error('unknown level value' + level)
+    level = labels[level]
+  }
+  if (values[level] === undefined) throw Error('unknown level ' + level)
+  const preLevelVal = this[levelValSym]
+  const levelVal = this[levelValSym] = values[level]
+  const useOnlyCustomLevelsVal = this[useOnlyCustomLevelsSym]
+  const levelComparison = this[levelCompSym]
+  const hook = this[hooksSym].logMethod
+
+  for (const key in values) {
+    if (levelComparison(values[key], levelVal) === false) {
+      this[key] = noop
+      continue
+    }
+    this[key] = isStandardLevel(key, useOnlyCustomLevelsVal) ? levelMethods[key](hook) : genLog(values[key], hook)
+  }
+
+  this.emit(
+    'level-change',
+    level,
+    levelVal,
+    labels[preLevelVal],
+    preLevelVal,
+    this
+  )
+}
+
+function getLevel (level) {
+  const { levels, levelVal } = this
+  // protection against potential loss of Pino scope from serializers (edge case with circular refs - https://github.com/pinojs/pino/issues/833)
+  return (levels && levels.labels) ? levels.labels[levelVal] : ''
+}
+
+function isLevelEnabled (logLevel) {
+  const { values } = this.levels
+  const logLevelVal = values[logLevel]
+  return logLevelVal !== undefined && this[levelCompSym](logLevelVal, this[levelValSym])
+}
+
+/**
+ * Determine if the given `current` level is enabled by comparing it
+ * against the current threshold (`expected`).
+ *
+ * @param {SORTING_ORDER} direction comparison direction "ASC" or "DESC"
+ * @param {number} current current log level number representation
+ * @param {number} expected threshold value to compare with
+ * @returns {boolean}
+ */
+function compareLevel (direction, current, expected) {
+  if (direction === SORTING_ORDER.DESC) {
+    return current <= expected
+  }
+
+  return current >= expected
+}
+
+/**
+ * Create a level comparison function based on `levelComparison`
+ * it could a default function which compares levels either in "ascending" or "descending" order or custom comparison function
+ *
+ * @param {SORTING_ORDER | Function} levelComparison sort levels order direction or custom comparison function
+ * @returns Function
+ */
+function genLevelComparison (levelComparison) {
+  if (typeof levelComparison === 'string') {
+    return compareLevel.bind(null, levelComparison)
+  }
+
+  return levelComparison
+}
+
+function mappings (customLevels = null, useOnlyCustomLevels = false) {
+  const customNums = customLevels
+    /* eslint-disable */
+    ? Object.keys(customLevels).reduce((o, k) => {
+        o[customLevels[k]] = k
+        return o
+      }, {})
+    : null
+    /* eslint-enable */
+
+  const labels = Object.assign(
+    Object.create(Object.prototype, { Infinity: { value: 'silent' } }),
+    useOnlyCustomLevels ? null : nums,
+    customNums
+  )
+  const values = Object.assign(
+    Object.create(Object.prototype, { silent: { value: Infinity } }),
+    useOnlyCustomLevels ? null : DEFAULT_LEVELS,
+    customLevels
+  )
+  return { labels, values }
+}
+
+function assertDefaultLevelFound (defaultLevel, customLevels, useOnlyCustomLevels) {
+  if (typeof defaultLevel === 'number') {
+    const values = [].concat(
+      Object.keys(customLevels || {}).map(key => customLevels[key]),
+      useOnlyCustomLevels ? [] : Object.keys(nums).map(level => +level),
+      Infinity
+    )
+    if (!values.includes(defaultLevel)) {
+      throw Error(`default level:${defaultLevel} must be included in custom levels`)
+    }
+    return
+  }
+
+  const labels = Object.assign(
+    Object.create(Object.prototype, { silent: { value: Infinity } }),
+    useOnlyCustomLevels ? null : DEFAULT_LEVELS,
+    customLevels
+  )
+  if (!(defaultLevel in labels)) {
+    throw Error(`default level:${defaultLevel} must be included in custom levels`)
+  }
+}
+
+function assertNoLevelCollisions (levels, customLevels) {
+  const { labels, values } = levels
+  for (const k in customLevels) {
+    if (k in values) {
+      throw Error('levels cannot be overridden')
+    }
+    if (customLevels[k] in labels) {
+      throw Error('pre-existing level values cannot be used for new levels')
+    }
+  }
+}
+
+/**
+ * Validates whether `levelComparison` is correct
+ *
+ * @throws Error
+ * @param {SORTING_ORDER | Function} levelComparison - value to validate
+ * @returns
+ */
+function assertLevelComparison (levelComparison) {
+  if (typeof levelComparison === 'function') {
+    return
+  }
+
+  if (typeof levelComparison === 'string' && Object.values(SORTING_ORDER).includes(levelComparison)) {
+    return
+  }
+
+  throw new Error('Levels comparison should be one of "ASC", "DESC" or "function" type')
+}
+
+module.exports = {
+  initialLsCache,
+  genLsCache,
+  levelMethods,
+  getLevel,
+  setLevel,
+  isLevelEnabled,
+  mappings,
+  assertNoLevelCollisions,
+  assertDefaultLevelFound,
+  genLevelComparison,
+  assertLevelComparison
+}

backend/node_modules/pino/lib/meta.js

@@ -0,0 +1,3 @@
+'use strict'
+
+module.exports = { version: '9.14.0' }

backend/node_modules/pino/lib/multistream.js

@@ -0,0 +1,203 @@
+'use strict'
+
+const metadata = Symbol.for('pino.metadata')
+const { DEFAULT_LEVELS } = require('./constants')
+
+const DEFAULT_INFO_LEVEL = DEFAULT_LEVELS.info
+
+function multistream (streamsArray, opts) {
+  streamsArray = streamsArray || []
+  opts = opts || { dedupe: false }
+
+  const streamLevels = Object.create(DEFAULT_LEVELS)
+  streamLevels.silent = Infinity
+  if (opts.levels && typeof opts.levels === 'object') {
+    Object.keys(opts.levels).forEach(i => {
+      streamLevels[i] = opts.levels[i]
+    })
+  }
+
+  const res = {
+    write,
+    add,
+    remove,
+    emit,
+    flushSync,
+    end,
+    minLevel: 0,
+    lastId: 0,
+    streams: [],
+    clone,
+    [metadata]: true,
+    streamLevels
+  }
+
+  if (Array.isArray(streamsArray)) {
+    streamsArray.forEach(add, res)
+  } else {
+    add.call(res, streamsArray)
+  }
+
+  // clean this object up
+  // or it will stay allocated forever
+  // as it is closed on the following closures
+  streamsArray = null
+
+  return res
+
+  // we can exit early because the streams are ordered by level
+  function write (data) {
+    let dest
+    const level = this.lastLevel
+    const { streams } = this
+    // for handling situation when several streams has the same level
+    let recordedLevel = 0
+    let stream
+
+    // if dedupe set to true we send logs to the stream with the highest level
+    // therefore, we have to change sorting order
+    for (let i = initLoopVar(streams.length, opts.dedupe); checkLoopVar(i, streams.length, opts.dedupe); i = adjustLoopVar(i, opts.dedupe)) {
+      dest = streams[i]
+      if (dest.level <= level) {
+        if (recordedLevel !== 0 && recordedLevel !== dest.level) {
+          break
+        }
+        stream = dest.stream
+        if (stream[metadata]) {
+          const { lastTime, lastMsg, lastObj, lastLogger } = this
+          stream.lastLevel = level
+          stream.lastTime = lastTime
+          stream.lastMsg = lastMsg
+          stream.lastObj = lastObj
+          stream.lastLogger = lastLogger
+        }
+        stream.write(data)
+        if (opts.dedupe) {
+          recordedLevel = dest.level
+        }
+      } else if (!opts.dedupe) {
+        break
+      }
+    }
+  }
+
+  function emit (...args) {
+    for (const { stream } of this.streams) {
+      if (typeof stream.emit === 'function') {
+        stream.emit(...args)
+      }
+    }
+  }
+
+  function flushSync () {
+    for (const { stream } of this.streams) {
+      if (typeof stream.flushSync === 'function') {
+        stream.flushSync()
+      }
+    }
+  }
+
+  function add (dest) {
+    if (!dest) {
+      return res
+    }
+
+    // Check that dest implements either StreamEntry or DestinationStream
+    const isStream = typeof dest.write === 'function' || dest.stream
+    const stream_ = dest.write ? dest : dest.stream
+    // This is necessary to provide a meaningful error message, otherwise it throws somewhere inside write()
+    if (!isStream) {
+      throw Error('stream object needs to implement either StreamEntry or DestinationStream interface')
+    }
+
+    const { streams, streamLevels } = this
+
+    let level
+    if (typeof dest.levelVal === 'number') {
+      level = dest.levelVal
+    } else if (typeof dest.level === 'string') {
+      level = streamLevels[dest.level]
+    } else if (typeof dest.level === 'number') {
+      level = dest.level
+    } else {
+      level = DEFAULT_INFO_LEVEL
+    }
+
+    const dest_ = {
+      stream: stream_,
+      level,
+      levelVal: undefined,
+      id: ++res.lastId
+    }
+
+    streams.unshift(dest_)
+    streams.sort(compareByLevel)
+
+    this.minLevel = streams[0].level
+
+    return res
+  }
+
+  function remove (id) {
+    const { streams } = this
+    const index = streams.findIndex(s => s.id === id)
+
+    if (index >= 0) {
+      streams.splice(index, 1)
+      streams.sort(compareByLevel)
+      this.minLevel = streams.length > 0 ? streams[0].level : -1
+    }
+
+    return res
+  }
+
+  function end () {
+    for (const { stream } of this.streams) {
+      if (typeof stream.flushSync === 'function') {
+        stream.flushSync()
+      }
+      stream.end()
+    }
+  }
+
+  function clone (level) {
+    const streams = new Array(this.streams.length)
+
+    for (let i = 0; i < streams.length; i++) {
+      streams[i] = {
+        level,
+        stream: this.streams[i].stream
+      }
+    }
+
+    return {
+      write,
+      add,
+      remove,
+      minLevel: level,
+      streams,
+      clone,
+      emit,
+      flushSync,
+      [metadata]: true
+    }
+  }
+}
+
+function compareByLevel (a, b) {
+  return a.level - b.level
+}
+
+function initLoopVar (length, dedupe) {
+  return dedupe ? length - 1 : 0
+}
+
+function adjustLoopVar (i, dedupe) {
+  return dedupe ? i - 1 : i + 1
+}
+
+function checkLoopVar (i, length, dedupe) {
+  return dedupe ? i >= 0 : i < length
+}
+
+module.exports = multistream

backend/node_modules/pino/lib/proto.js

@@ -0,0 +1,260 @@
+'use strict'
+
+/* eslint no-prototype-builtins: 0 */
+
+const { EventEmitter } = require('node:events')
+const {
+  lsCacheSym,
+  levelValSym,
+  setLevelSym,
+  getLevelSym,
+  chindingsSym,
+  parsedChindingsSym,
+  mixinSym,
+  asJsonSym,
+  writeSym,
+  mixinMergeStrategySym,
+  timeSym,
+  timeSliceIndexSym,
+  streamSym,
+  serializersSym,
+  formattersSym,
+  errorKeySym,
+  messageKeySym,
+  useOnlyCustomLevelsSym,
+  needsMetadataGsym,
+  redactFmtSym,
+  stringifySym,
+  formatOptsSym,
+  stringifiersSym,
+  msgPrefixSym,
+  hooksSym
+} = require('./symbols')
+const {
+  getLevel,
+  setLevel,
+  isLevelEnabled,
+  mappings,
+  initialLsCache,
+  genLsCache,
+  assertNoLevelCollisions
+} = require('./levels')
+const {
+  asChindings,
+  asJson,
+  buildFormatters,
+  stringify,
+  noop
+} = require('./tools')
+const {
+  version
+} = require('./meta')
+const redaction = require('./redaction')
+
+// note: use of class is satirical
+// https://github.com/pinojs/pino/pull/433#pullrequestreview-127703127
+const constructor = class Pino {}
+const prototype = {
+  constructor,
+  child,
+  bindings,
+  setBindings,
+  flush,
+  isLevelEnabled,
+  version,
+  get level () { return this[getLevelSym]() },
+  set level (lvl) { this[setLevelSym](lvl) },
+  get levelVal () { return this[levelValSym] },
+  set levelVal (n) { throw Error('levelVal is read-only') },
+  get msgPrefix () { return this[msgPrefixSym] },
+  get [Symbol.toStringTag] () { return 'Pino' },
+  [lsCacheSym]: initialLsCache,
+  [writeSym]: write,
+  [asJsonSym]: asJson,
+  [getLevelSym]: getLevel,
+  [setLevelSym]: setLevel
+}
+
+Object.setPrototypeOf(prototype, EventEmitter.prototype)
+
+// exporting and consuming the prototype object using factory pattern fixes scoping issues with getters when serializing
+module.exports = function () {
+  return Object.create(prototype)
+}
+
+const resetChildingsFormatter = bindings => bindings
+function child (bindings, options) {
+  if (!bindings) {
+    throw Error('missing bindings for child Pino')
+  }
+  const serializers = this[serializersSym]
+  const formatters = this[formattersSym]
+  const instance = Object.create(this)
+
+  // If an `options` object was not supplied, we can improve
+  // the performance of child creation by skipping
+  // the checks for set options and simply return
+  // a baseline instance.
+  if (options == null) {
+    if (instance[formattersSym].bindings !== resetChildingsFormatter) {
+      instance[formattersSym] = buildFormatters(
+        formatters.level,
+        resetChildingsFormatter,
+        formatters.log
+      )
+    }
+
+    instance[chindingsSym] = asChindings(instance, bindings)
+
+    // Always call setLevel to ensure child gets own method references
+    // This prevents issues when parent methods are wrapped (e.g., by Sinon)
+    instance[setLevelSym](this.level)
+
+    if (this.onChild !== noop) {
+      this.onChild(instance)
+    }
+
+    return instance
+  }
+
+  if (options.hasOwnProperty('serializers') === true) {
+    instance[serializersSym] = Object.create(null)
+
+    for (const k in serializers) {
+      instance[serializersSym][k] = serializers[k]
+    }
+    const parentSymbols = Object.getOwnPropertySymbols(serializers)
+    /* eslint no-var: off */
+    for (var i = 0; i < parentSymbols.length; i++) {
+      const ks = parentSymbols[i]
+      instance[serializersSym][ks] = serializers[ks]
+    }
+
+    for (const bk in options.serializers) {
+      instance[serializersSym][bk] = options.serializers[bk]
+    }
+    const bindingsSymbols = Object.getOwnPropertySymbols(options.serializers)
+    for (var bi = 0; bi < bindingsSymbols.length; bi++) {
+      const bks = bindingsSymbols[bi]
+      instance[serializersSym][bks] = options.serializers[bks]
+    }
+  } else instance[serializersSym] = serializers
+  if (options.hasOwnProperty('formatters')) {
+    const { level, bindings: chindings, log } = options.formatters
+    instance[formattersSym] = buildFormatters(
+      level || formatters.level,
+      chindings || resetChildingsFormatter,
+      log || formatters.log
+    )
+  } else {
+    instance[formattersSym] = buildFormatters(
+      formatters.level,
+      resetChildingsFormatter,
+      formatters.log
+    )
+  }
+  if (options.hasOwnProperty('customLevels') === true) {
+    assertNoLevelCollisions(this.levels, options.customLevels)
+    instance.levels = mappings(options.customLevels, instance[useOnlyCustomLevelsSym])
+    genLsCache(instance)
+  }
+
+  // redact must place before asChindings and only replace if exist
+  if ((typeof options.redact === 'object' && options.redact !== null) || Array.isArray(options.redact)) {
+    instance.redact = options.redact // replace redact directly
+    const stringifiers = redaction(instance.redact, stringify)
+    const formatOpts = { stringify: stringifiers[redactFmtSym] }
+    instance[stringifySym] = stringify
+    instance[stringifiersSym] = stringifiers
+    instance[formatOptsSym] = formatOpts
+  }
+
+  if (typeof options.msgPrefix === 'string') {
+    instance[msgPrefixSym] = (this[msgPrefixSym] || '') + options.msgPrefix
+  }
+
+  instance[chindingsSym] = asChindings(instance, bindings)
+  const childLevel = options.level || this.level
+  instance[setLevelSym](childLevel)
+  this.onChild(instance)
+  return instance
+}
+
+function bindings () {
+  const chindings = this[chindingsSym]
+  const chindingsJson = `{${chindings.substr(1)}}` // at least contains ,"pid":7068,"hostname":"myMac"
+  const bindingsFromJson = JSON.parse(chindingsJson)
+  delete bindingsFromJson.pid
+  delete bindingsFromJson.hostname
+  return bindingsFromJson
+}
+
+function setBindings (newBindings) {
+  const chindings = asChindings(this, newBindings)
+  this[chindingsSym] = chindings
+  delete this[parsedChindingsSym]
+}
+
+/**
+ * Default strategy for creating `mergeObject` from arguments and the result from `mixin()`.
+ * Fields from `mergeObject` have higher priority in this strategy.
+ *
+ * @param {Object} mergeObject The object a user has supplied to the logging function.
+ * @param {Object} mixinObject The result of the `mixin` method.
+ * @return {Object}
+ */
+function defaultMixinMergeStrategy (mergeObject, mixinObject) {
+  return Object.assign(mixinObject, mergeObject)
+}
+
+function write (_obj, msg, num) {
+  const t = this[timeSym]()
+  const mixin = this[mixinSym]
+  const errorKey = this[errorKeySym]
+  const messageKey = this[messageKeySym]
+  const mixinMergeStrategy = this[mixinMergeStrategySym] || defaultMixinMergeStrategy
+  let obj
+  const streamWriteHook = this[hooksSym].streamWrite
+
+  if (_obj === undefined || _obj === null) {
+    obj = {}
+  } else if (_obj instanceof Error) {
+    obj = { [errorKey]: _obj }
+    if (msg === undefined) {
+      msg = _obj.message
+    }
+  } else {
+    obj = _obj
+    if (msg === undefined && _obj[messageKey] === undefined && _obj[errorKey]) {
+      msg = _obj[errorKey].message
+    }
+  }
+
+  if (mixin) {
+    obj = mixinMergeStrategy(obj, mixin(obj, num, this))
+  }
+
+  const s = this[asJsonSym](obj, msg, num, t)
+
+  const stream = this[streamSym]
+  if (stream[needsMetadataGsym] === true) {
+    stream.lastLevel = num
+    stream.lastObj = obj
+    stream.lastMsg = msg
+    stream.lastTime = t.slice(this[timeSliceIndexSym])
+    stream.lastLogger = this // for child loggers
+  }
+  stream.write(streamWriteHook ? streamWriteHook(s) : s)
+}
+
+function flush (cb) {
+  if (cb != null && typeof cb !== 'function') {
+    throw Error('callback must be a function')
+  }
+
+  const stream = this[streamSym]
+
+  if (typeof stream.flush === 'function') {
+    stream.flush(cb || noop)
+  } else if (cb) cb()
+}

backend/node_modules/pino/lib/redaction.js

@@ -0,0 +1,114 @@
+'use strict'
+
+const Redact = require('@pinojs/redact')
+const { redactFmtSym, wildcardFirstSym } = require('./symbols')
+
+// Custom rx regex equivalent to fast-redact's rx
+const rx = /[^.[\]]+|\[([^[\]]*?)\]/g
+
+const CENSOR = '[Redacted]'
+const strict = false // TODO should this be configurable?
+
+function redaction (opts, serialize) {
+  const { paths, censor, remove } = handle(opts)
+
+  const shape = paths.reduce((o, str) => {
+    rx.lastIndex = 0
+    const first = rx.exec(str)
+    const next = rx.exec(str)
+
+    // ns is the top-level path segment, brackets + quoting removed.
+    let ns = first[1] !== undefined
+      ? first[1].replace(/^(?:"|'|`)(.*)(?:"|'|`)$/, '$1')
+      : first[0]
+
+    if (ns === '*') {
+      ns = wildcardFirstSym
+    }
+
+    // top level key:
+    if (next === null) {
+      o[ns] = null
+      return o
+    }
+
+    // path with at least two segments:
+    // if ns is already redacted at the top level, ignore lower level redactions
+    if (o[ns] === null) {
+      return o
+    }
+
+    const { index } = next
+    const nextPath = `${str.substr(index, str.length - 1)}`
+
+    o[ns] = o[ns] || []
+
+    // shape is a mix of paths beginning with literal values and wildcard
+    // paths [ "a.b.c", "*.b.z" ] should reduce to a shape of
+    // { "a": [ "b.c", "b.z" ], *: [ "b.z" ] }
+    // note: "b.z" is in both "a" and * arrays because "a" matches the wildcard.
+    // (* entry has wildcardFirstSym as key)
+    if (ns !== wildcardFirstSym && o[ns].length === 0) {
+      // first time ns's get all '*' redactions so far
+      o[ns].push(...(o[wildcardFirstSym] || []))
+    }
+
+    if (ns === wildcardFirstSym) {
+      // new * path gets added to all previously registered literal ns's.
+      Object.keys(o).forEach(function (k) {
+        if (o[k]) {
+          o[k].push(nextPath)
+        }
+      })
+    }
+
+    o[ns].push(nextPath)
+    return o
+  }, {})
+
+  // the redactor assigned to the format symbol key
+  // provides top level redaction for instances where
+  // an object is interpolated into the msg string
+  const result = {
+    [redactFmtSym]: Redact({ paths, censor, serialize, strict, remove })
+  }
+
+  const topCensor = (...args) => {
+    return typeof censor === 'function' ? serialize(censor(...args)) : serialize(censor)
+  }
+
+  return [...Object.keys(shape), ...Object.getOwnPropertySymbols(shape)].reduce((o, k) => {
+    // top level key:
+    if (shape[k] === null) {
+      o[k] = (value) => topCensor(value, [k])
+    } else {
+      const wrappedCensor = typeof censor === 'function'
+        ? (value, path) => {
+            return censor(value, [k, ...path])
+          }
+        : censor
+      o[k] = Redact({
+        paths: shape[k],
+        censor: wrappedCensor,
+        serialize,
+        strict,
+        remove
+      })
+    }
+    return o
+  }, result)
+}
+
+function handle (opts) {
+  if (Array.isArray(opts)) {
+    opts = { paths: opts, censor: CENSOR }
+    return opts
+  }
+  let { paths, censor = CENSOR, remove } = opts
+  if (Array.isArray(paths) === false) { throw Error('pino – redact must contain an array of strings') }
+  if (remove === true) censor = undefined
+
+  return { paths, censor, remove }
+}
+
+module.exports = redaction

backend/node_modules/pino/lib/symbols.js

@@ -0,0 +1,74 @@
+'use strict'
+
+const setLevelSym = Symbol('pino.setLevel')
+const getLevelSym = Symbol('pino.getLevel')
+const levelValSym = Symbol('pino.levelVal')
+const levelCompSym = Symbol('pino.levelComp')
+const useLevelLabelsSym = Symbol('pino.useLevelLabels')
+const useOnlyCustomLevelsSym = Symbol('pino.useOnlyCustomLevels')
+const mixinSym = Symbol('pino.mixin')
+
+const lsCacheSym = Symbol('pino.lsCache')
+const chindingsSym = Symbol('pino.chindings')
+
+const asJsonSym = Symbol('pino.asJson')
+const writeSym = Symbol('pino.write')
+const redactFmtSym = Symbol('pino.redactFmt')
+
+const timeSym = Symbol('pino.time')
+const timeSliceIndexSym = Symbol('pino.timeSliceIndex')
+const streamSym = Symbol('pino.stream')
+const stringifySym = Symbol('pino.stringify')
+const stringifySafeSym = Symbol('pino.stringifySafe')
+const stringifiersSym = Symbol('pino.stringifiers')
+const endSym = Symbol('pino.end')
+const formatOptsSym = Symbol('pino.formatOpts')
+const messageKeySym = Symbol('pino.messageKey')
+const errorKeySym = Symbol('pino.errorKey')
+const nestedKeySym = Symbol('pino.nestedKey')
+const nestedKeyStrSym = Symbol('pino.nestedKeyStr')
+const mixinMergeStrategySym = Symbol('pino.mixinMergeStrategy')
+const msgPrefixSym = Symbol('pino.msgPrefix')
+
+const wildcardFirstSym = Symbol('pino.wildcardFirst')
+
+// public symbols, no need to use the same pino
+// version for these
+const serializersSym = Symbol.for('pino.serializers')
+const formattersSym = Symbol.for('pino.formatters')
+const hooksSym = Symbol.for('pino.hooks')
+const needsMetadataGsym = Symbol.for('pino.metadata')
+
+module.exports = {
+  setLevelSym,
+  getLevelSym,
+  levelValSym,
+  levelCompSym,
+  useLevelLabelsSym,
+  mixinSym,
+  lsCacheSym,
+  chindingsSym,
+  asJsonSym,
+  writeSym,
+  serializersSym,
+  redactFmtSym,
+  timeSym,
+  timeSliceIndexSym,
+  streamSym,
+  stringifySym,
+  stringifySafeSym,
+  stringifiersSym,
+  endSym,
+  formatOptsSym,
+  messageKeySym,
+  errorKeySym,
+  nestedKeySym,
+  wildcardFirstSym,
+  needsMetadataGsym,
+  useOnlyCustomLevelsSym,
+  formattersSym,
+  hooksSym,
+  nestedKeyStrSym,
+  mixinMergeStrategySym,
+  msgPrefixSym
+}

backend/node_modules/pino/lib/time.js

@@ -0,0 +1,39 @@
+'use strict'
+
+const nullTime = () => ''
+
+const epochTime = () => `,"time":${Date.now()}`
+
+const unixTime = () => `,"time":${Math.round(Date.now() / 1000.0)}`
+
+const isoTime = () => `,"time":"${new Date(Date.now()).toISOString()}"` // using Date.now() for testability
+
+const NS_PER_MS = 1_000_000n
+const NS_PER_SEC = 1_000_000_000n
+
+const startWallTimeNs = BigInt(Date.now()) * NS_PER_MS
+const startHrTime = process.hrtime.bigint()
+
+const isoTimeNano = () => {
+  const elapsedNs = process.hrtime.bigint() - startHrTime
+  const currentTimeNs = startWallTimeNs + elapsedNs
+
+  const secondsSinceEpoch = currentTimeNs / NS_PER_SEC
+  const nanosWithinSecond = currentTimeNs % NS_PER_SEC
+
+  const msSinceEpoch = Number(secondsSinceEpoch * 1000n + nanosWithinSecond / 1_000_000n)
+  const date = new Date(msSinceEpoch)
+
+  const year = date.getUTCFullYear()
+  const month = (date.getUTCMonth() + 1).toString().padStart(2, '0')
+  const day = date.getUTCDate().toString().padStart(2, '0')
+  const hours = date.getUTCHours().toString().padStart(2, '0')
+  const minutes = date.getUTCMinutes().toString().padStart(2, '0')
+  const seconds = date.getUTCSeconds().toString().padStart(2, '0')
+
+  return `,"time":"${year}-${month}-${day}T${hours}:${minutes}:${seconds}.${nanosWithinSecond
+    .toString()
+    .padStart(9, '0')}Z"`
+}
+
+module.exports = { nullTime, epochTime, unixTime, isoTime, isoTimeNano }

backend/node_modules/pino/lib/tools.js

@@ -0,0 +1,436 @@
+'use strict'
+
+/* eslint no-prototype-builtins: 0 */
+
+const diagChan = require('node:diagnostics_channel')
+const format = require('quick-format-unescaped')
+const { mapHttpRequest, mapHttpResponse } = require('pino-std-serializers')
+const SonicBoom = require('sonic-boom')
+const onExit = require('on-exit-leak-free')
+const {
+  lsCacheSym,
+  chindingsSym,
+  writeSym,
+  serializersSym,
+  formatOptsSym,
+  endSym,
+  stringifiersSym,
+  stringifySym,
+  stringifySafeSym,
+  wildcardFirstSym,
+  nestedKeySym,
+  formattersSym,
+  messageKeySym,
+  errorKeySym,
+  nestedKeyStrSym,
+  msgPrefixSym
+} = require('./symbols')
+const { isMainThread } = require('worker_threads')
+const transport = require('./transport')
+
+let asJsonChan
+// Node >= 18.19 supports diagnostics_channel.tracingChannel
+if (typeof diagChan.tracingChannel === 'function') {
+  asJsonChan = diagChan.tracingChannel('pino_asJson')
+} else {
+  // Older Node 18.x (e.g. 18.18), provided a no-op fallback
+  asJsonChan = {
+    hasSubscribers: false,
+    traceSync (fn, store, thisArg, ...args) {
+      return fn.call(thisArg, ...args)
+    }
+  }
+}
+
+function noop () {
+}
+
+function genLog (level, hook) {
+  if (!hook) return LOG
+
+  return function hookWrappedLog (...args) {
+    hook.call(this, args, LOG, level)
+  }
+
+  function LOG (o, ...n) {
+    if (typeof o === 'object') {
+      let msg = o
+      if (o !== null) {
+        if (o.method && o.headers && o.socket) {
+          o = mapHttpRequest(o)
+        } else if (typeof o.setHeader === 'function') {
+          o = mapHttpResponse(o)
+        }
+      }
+      let formatParams
+      if (msg === null && n.length === 0) {
+        formatParams = [null]
+      } else {
+        msg = n.shift()
+        formatParams = n
+      }
+      // We do not use a coercive check for `msg` as it is
+      // measurably slower than the explicit checks.
+      if (typeof this[msgPrefixSym] === 'string' && msg !== undefined && msg !== null) {
+        msg = this[msgPrefixSym] + msg
+      }
+      this[writeSym](o, format(msg, formatParams, this[formatOptsSym]), level)
+    } else {
+      let msg = o === undefined ? n.shift() : o
+
+      // We do not use a coercive check for `msg` as it is
+      // measurably slower than the explicit checks.
+      if (typeof this[msgPrefixSym] === 'string' && msg !== undefined && msg !== null) {
+        msg = this[msgPrefixSym] + msg
+      }
+      this[writeSym](null, format(msg, n, this[formatOptsSym]), level)
+    }
+  }
+}
+
+// magically escape strings for json
+// relying on their charCodeAt
+// everything below 32 needs JSON.stringify()
+// 34 and 92 happens all the time, so we
+// have a fast case for them
+function asString (str) {
+  let result = ''
+  let last = 0
+  let found = false
+  let point = 255
+  const l = str.length
+  if (l > 100) {
+    return JSON.stringify(str)
+  }
+  for (var i = 0; i < l && point >= 32; i++) {
+    point = str.charCodeAt(i)
+    if (point === 34 || point === 92) {
+      result += str.slice(last, i) + '\\'
+      last = i
+      found = true
+    }
+  }
+  if (!found) {
+    result = str
+  } else {
+    result += str.slice(last)
+  }
+  return point < 32 ? JSON.stringify(str) : '"' + result + '"'
+}
+
+/**
+ * `asJson` wraps `_asJson` in order to facilitate generating diagnostics.
+ *
+ * @param {object} obj The merging object passed to the log method.
+ * @param {string} msg The log message passed to the log method.
+ * @param {number} num The log level number.
+ * @param {number} time The log time in milliseconds.
+ *
+ * @returns {string}
+ */
+function asJson (obj, msg, num, time) {
+  if (asJsonChan.hasSubscribers === false) {
+    return _asJson.call(this, obj, msg, num, time)
+  }
+
+  const store = { instance: this, arguments }
+  return asJsonChan.traceSync(_asJson, store, this, obj, msg, num, time)
+}
+
+/**
+ * `_asJson` parses all collected data and generates the finalized newline
+ * delimited JSON string.
+ *
+ * @param {object} obj The merging object passed to the log method.
+ * @param {string} msg The log message passed to the log method.
+ * @param {number} num The log level number.
+ * @param {number} time The log time in milliseconds.
+ *
+ * @returns {string} The finalized log string terminated with a newline.
+ * @private
+ */
+function _asJson (obj, msg, num, time) {
+  const stringify = this[stringifySym]
+  const stringifySafe = this[stringifySafeSym]
+  const stringifiers = this[stringifiersSym]
+  const end = this[endSym]
+  const chindings = this[chindingsSym]
+  const serializers = this[serializersSym]
+  const formatters = this[formattersSym]
+  const messageKey = this[messageKeySym]
+  const errorKey = this[errorKeySym]
+  let data = this[lsCacheSym][num] + time
+
+  // we need the child bindings added to the output first so instance logged
+  // objects can take precedence when JSON.parse-ing the resulting log line
+  data = data + chindings
+
+  let value
+  if (formatters.log) {
+    obj = formatters.log(obj)
+  }
+  const wildcardStringifier = stringifiers[wildcardFirstSym]
+  let propStr = ''
+  for (const key in obj) {
+    value = obj[key]
+    if (Object.prototype.hasOwnProperty.call(obj, key) && value !== undefined) {
+      if (serializers[key]) {
+        value = serializers[key](value)
+      } else if (key === errorKey && serializers.err) {
+        value = serializers.err(value)
+      }
+
+      const stringifier = stringifiers[key] || wildcardStringifier
+
+      switch (typeof value) {
+        case 'undefined':
+        case 'function':
+          continue
+        case 'number':
+          /* eslint no-fallthrough: "off" */
+          if (Number.isFinite(value) === false) {
+            value = null
+          }
+        // this case explicitly falls through to the next one
+        case 'boolean':
+          if (stringifier) value = stringifier(value)
+          break
+        case 'string':
+          value = (stringifier || asString)(value)
+          break
+        default:
+          value = (stringifier || stringify)(value, stringifySafe)
+      }
+      if (value === undefined) continue
+      const strKey = asString(key)
+      propStr += ',' + strKey + ':' + value
+    }
+  }
+
+  let msgStr = ''
+  if (msg !== undefined) {
+    value = serializers[messageKey] ? serializers[messageKey](msg) : msg
+    const stringifier = stringifiers[messageKey] || wildcardStringifier
+
+    switch (typeof value) {
+      case 'function':
+        break
+      case 'number':
+        /* eslint no-fallthrough: "off" */
+        if (Number.isFinite(value) === false) {
+          value = null
+        }
+      // this case explicitly falls through to the next one
+      case 'boolean':
+        if (stringifier) value = stringifier(value)
+        msgStr = ',"' + messageKey + '":' + value
+        break
+      case 'string':
+        value = (stringifier || asString)(value)
+        msgStr = ',"' + messageKey + '":' + value
+        break
+      default:
+        value = (stringifier || stringify)(value, stringifySafe)
+        msgStr = ',"' + messageKey + '":' + value
+    }
+  }
+
+  if (this[nestedKeySym] && propStr) {
+    // place all the obj properties under the specified key
+    // the nested key is already formatted from the constructor
+    return data + this[nestedKeyStrSym] + propStr.slice(1) + '}' + msgStr + end
+  } else {
+    return data + propStr + msgStr + end
+  }
+}
+
+function asChindings (instance, bindings) {
+  let value
+  let data = instance[chindingsSym]
+  const stringify = instance[stringifySym]
+  const stringifySafe = instance[stringifySafeSym]
+  const stringifiers = instance[stringifiersSym]
+  const wildcardStringifier = stringifiers[wildcardFirstSym]
+  const serializers = instance[serializersSym]
+  const formatter = instance[formattersSym].bindings
+  bindings = formatter(bindings)
+
+  for (const key in bindings) {
+    value = bindings[key]
+    const valid = (key.length < 5 || (key !== 'level' &&
+      key !== 'serializers' &&
+      key !== 'formatters' &&
+      key !== 'customLevels')) &&
+      bindings.hasOwnProperty(key) &&
+      value !== undefined
+    if (valid === true) {
+      value = serializers[key] ? serializers[key](value) : value
+      value = (stringifiers[key] || wildcardStringifier || stringify)(value, stringifySafe)
+      if (value === undefined) continue
+      data += ',"' + key + '":' + value
+    }
+  }
+  return data
+}
+
+function hasBeenTampered (stream) {
+  return stream.write !== stream.constructor.prototype.write
+}
+
+function buildSafeSonicBoom (opts) {
+  const stream = new SonicBoom(opts)
+  stream.on('error', filterBrokenPipe)
+  // If we are sync: false, we must flush on exit
+  if (!opts.sync && isMainThread) {
+    onExit.register(stream, autoEnd)
+
+    stream.on('close', function () {
+      onExit.unregister(stream)
+    })
+  }
+  return stream
+
+  function filterBrokenPipe (err) {
+    // Impossible to replicate across all operating systems
+    /* istanbul ignore next */
+    if (err.code === 'EPIPE') {
+      // If we get EPIPE, we should stop logging here
+      // however we have no control to the consumer of
+      // SonicBoom, so we just overwrite the write method
+      stream.write = noop
+      stream.end = noop
+      stream.flushSync = noop
+      stream.destroy = noop
+      return
+    }
+    stream.removeListener('error', filterBrokenPipe)
+    stream.emit('error', err)
+  }
+}
+
+function autoEnd (stream, eventName) {
+  // This check is needed only on some platforms
+  /* istanbul ignore next */
+  if (stream.destroyed) {
+    return
+  }
+
+  if (eventName === 'beforeExit') {
+    // We still have an event loop, let's use it
+    stream.flush()
+    stream.on('drain', function () {
+      stream.end()
+    })
+  } else {
+    // For some reason istanbul is not detecting this, but it's there
+    /* istanbul ignore next */
+    // We do not have an event loop, so flush synchronously
+    stream.flushSync()
+  }
+}
+
+function createArgsNormalizer (defaultOptions) {
+  return function normalizeArgs (instance, caller, opts = {}, stream) {
+    // support stream as a string
+    if (typeof opts === 'string') {
+      stream = buildSafeSonicBoom({ dest: opts })
+      opts = {}
+    } else if (typeof stream === 'string') {
+      if (opts && opts.transport) {
+        throw Error('only one of option.transport or stream can be specified')
+      }
+      stream = buildSafeSonicBoom({ dest: stream })
+    } else if (opts instanceof SonicBoom || opts.writable || opts._writableState) {
+      stream = opts
+      opts = {}
+    } else if (opts.transport) {
+      if (opts.transport instanceof SonicBoom || opts.transport.writable || opts.transport._writableState) {
+        throw Error('option.transport do not allow stream, please pass to option directly. e.g. pino(transport)')
+      }
+      if (opts.transport.targets && opts.transport.targets.length && opts.formatters && typeof opts.formatters.level === 'function') {
+        throw Error('option.transport.targets do not allow custom level formatters')
+      }
+
+      let customLevels
+      if (opts.customLevels) {
+        customLevels = opts.useOnlyCustomLevels ? opts.customLevels : Object.assign({}, opts.levels, opts.customLevels)
+      }
+      stream = transport({ caller, ...opts.transport, levels: customLevels })
+    }
+    opts = Object.assign({}, defaultOptions, opts)
+    opts.serializers = Object.assign({}, defaultOptions.serializers, opts.serializers)
+    opts.formatters = Object.assign({}, defaultOptions.formatters, opts.formatters)
+
+    if (opts.prettyPrint) {
+      throw new Error('prettyPrint option is no longer supported, see the pino-pretty package (https://github.com/pinojs/pino-pretty)')
+    }
+
+    const { enabled, onChild } = opts
+    if (enabled === false) opts.level = 'silent'
+    if (!onChild) opts.onChild = noop
+    if (!stream) {
+      if (!hasBeenTampered(process.stdout)) {
+        // If process.stdout.fd is undefined, it means that we are running
+        // in a worker thread. Let's assume we are logging to file descriptor 1.
+        stream = buildSafeSonicBoom({ fd: process.stdout.fd || 1 })
+      } else {
+        stream = process.stdout
+      }
+    }
+    return { opts, stream }
+  }
+}
+
+function stringify (obj, stringifySafeFn) {
+  try {
+    return JSON.stringify(obj)
+  } catch (_) {
+    try {
+      const stringify = stringifySafeFn || this[stringifySafeSym]
+      return stringify(obj)
+    } catch (_) {
+      return '"[unable to serialize, circular reference is too complex to analyze]"'
+    }
+  }
+}
+
+function buildFormatters (level, bindings, log) {
+  return {
+    level,
+    bindings,
+    log
+  }
+}
+
+/**
+ * Convert a string integer file descriptor to a proper native integer
+ * file descriptor.
+ *
+ * @param {string} destination The file descriptor string to attempt to convert.
+ *
+ * @returns {Number}
+ */
+function normalizeDestFileDescriptor (destination) {
+  const fd = Number(destination)
+  if (typeof destination === 'string' && Number.isFinite(fd)) {
+    return fd
+  }
+  // destination could be undefined if we are in a worker
+  if (destination === undefined) {
+    // This is stdout in UNIX systems
+    return 1
+  }
+  return destination
+}
+
+module.exports = {
+  noop,
+  buildSafeSonicBoom,
+  asChindings,
+  asJson,
+  genLog,
+  createArgsNormalizer,
+  stringify,
+  buildFormatters,
+  normalizeDestFileDescriptor
+}

backend/node_modules/pino/lib/transport-stream.js

@@ -0,0 +1,56 @@
+'use strict'
+
+const { realImport, realRequire } = require('real-require')
+
+module.exports = loadTransportStreamBuilder
+
+/**
+ * Loads & returns a function to build transport streams
+ * @param {string} target
+ * @returns {Promise<function(object): Promise<import('node:stream').Writable>>}
+ * @throws {Error} In case the target module does not export a function
+ */
+async function loadTransportStreamBuilder (target) {
+  let fn
+  try {
+    const toLoad = target.startsWith('file://') ? target : 'file://' + target
+
+    if (toLoad.endsWith('.ts') || toLoad.endsWith('.cts')) {
+      // TODO: add support for the TSM modules loader ( https://github.com/lukeed/tsm ).
+      if (process[Symbol.for('ts-node.register.instance')]) {
+        realRequire('ts-node/register')
+      } else if (process.env && process.env.TS_NODE_DEV) {
+        realRequire('ts-node-dev')
+      }
+      // TODO: Support ES imports once tsc, tap & ts-node provide better compatibility guarantees.
+      fn = realRequire(decodeURIComponent(target))
+    } else {
+      fn = (await realImport(toLoad))
+    }
+  } catch (error) {
+    // See this PR for details: https://github.com/pinojs/thread-stream/pull/34
+    if ((error.code === 'ENOTDIR' || error.code === 'ERR_MODULE_NOT_FOUND')) {
+      fn = realRequire(target)
+    } else if (error.code === undefined || error.code === 'ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING') {
+      // When bundled with pkg, an undefined error is thrown when called with realImport
+      // When bundled with pkg and using node v20, an ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING error is thrown when called with realImport
+      // More info at: https://github.com/pinojs/thread-stream/issues/143
+      try {
+        fn = realRequire(decodeURIComponent(target))
+      } catch {
+        throw error
+      }
+    } else {
+      throw error
+    }
+  }
+
+  // Depending on how the default export is performed, and on how the code is
+  // transpiled, we may find cases of two nested "default" objects.
+  // See https://github.com/pinojs/pino/issues/1243#issuecomment-982774762
+  if (typeof fn === 'object') fn = fn.default
+  if (typeof fn === 'object') fn = fn.default
+  if (typeof fn !== 'function') throw Error('exported worker is not a function')
+
+  return fn
+}

backend/node_modules/pino/lib/transport.js

@@ -0,0 +1,167 @@
+'use strict'
+
+const { createRequire } = require('module')
+const getCallers = require('./caller')
+const { join, isAbsolute, sep } = require('node:path')
+const sleep = require('atomic-sleep')
+const onExit = require('on-exit-leak-free')
+const ThreadStream = require('thread-stream')
+
+function setupOnExit (stream) {
+  // This is leak free, it does not leave event handlers
+  onExit.register(stream, autoEnd)
+  onExit.registerBeforeExit(stream, flush)
+
+  stream.on('close', function () {
+    onExit.unregister(stream)
+  })
+}
+
+function buildStream (filename, workerData, workerOpts, sync) {
+  const stream = new ThreadStream({
+    filename,
+    workerData,
+    workerOpts,
+    sync
+  })
+
+  stream.on('ready', onReady)
+  stream.on('close', function () {
+    process.removeListener('exit', onExit)
+  })
+
+  process.on('exit', onExit)
+
+  function onReady () {
+    process.removeListener('exit', onExit)
+    stream.unref()
+
+    if (workerOpts.autoEnd !== false) {
+      setupOnExit(stream)
+    }
+  }
+
+  function onExit () {
+    /* istanbul ignore next */
+    if (stream.closed) {
+      return
+    }
+    stream.flushSync()
+    // Apparently there is a very sporadic race condition
+    // that in certain OS would prevent the messages to be flushed
+    // because the thread might not have been created still.
+    // Unfortunately we need to sleep(100) in this case.
+    sleep(100)
+    stream.end()
+  }
+
+  return stream
+}
+
+function autoEnd (stream) {
+  stream.ref()
+  stream.flushSync()
+  stream.end()
+  stream.once('close', function () {
+    stream.unref()
+  })
+}
+
+function flush (stream) {
+  stream.flushSync()
+}
+
+function transport (fullOptions) {
+  const { pipeline, targets, levels, dedupe, worker = {}, caller = getCallers(), sync = false } = fullOptions
+
+  const options = {
+    ...fullOptions.options
+  }
+
+  // Backwards compatibility
+  const callers = typeof caller === 'string' ? [caller] : caller
+
+  // This will be eventually modified by bundlers
+  const bundlerOverrides = '__bundlerPathsOverrides' in globalThis ? globalThis.__bundlerPathsOverrides : {}
+
+  let target = fullOptions.target
+
+  if (target && targets) {
+    throw new Error('only one of target or targets can be specified')
+  }
+
+  if (targets) {
+    target = bundlerOverrides['pino-worker'] || join(__dirname, 'worker.js')
+    options.targets = targets.filter(dest => dest.target).map((dest) => {
+      return {
+        ...dest,
+        target: fixTarget(dest.target)
+      }
+    })
+    options.pipelines = targets.filter(dest => dest.pipeline).map((dest) => {
+      return dest.pipeline.map((t) => {
+        return {
+          ...t,
+          level: dest.level, // duplicate the pipeline `level` property defined in the upper level
+          target: fixTarget(t.target)
+        }
+      })
+    })
+  } else if (pipeline) {
+    target = bundlerOverrides['pino-worker'] || join(__dirname, 'worker.js')
+    options.pipelines = [pipeline.map((dest) => {
+      return {
+        ...dest,
+        target: fixTarget(dest.target)
+      }
+    })]
+  }
+
+  if (levels) {
+    options.levels = levels
+  }
+
+  if (dedupe) {
+    options.dedupe = dedupe
+  }
+
+  options.pinoWillSendConfig = true
+
+  return buildStream(fixTarget(target), options, worker, sync)
+
+  function fixTarget (origin) {
+    origin = bundlerOverrides[origin] || origin
+
+    if (isAbsolute(origin) || origin.indexOf('file://') === 0) {
+      return origin
+    }
+
+    if (origin === 'pino/file') {
+      return join(__dirname, '..', 'file.js')
+    }
+
+    let fixTarget
+
+    for (const filePath of callers) {
+      try {
+        const context = filePath === 'node:repl'
+          ? process.cwd() + sep
+          : filePath
+
+        fixTarget = createRequire(context).resolve(origin)
+        break
+      } catch (err) {
+        // Silent catch
+        continue
+      }
+    }
+
+    if (!fixTarget) {
+      throw new Error(`unable to determine transport target for "${origin}"`)
+    }
+
+    return fixTarget
+  }
+}
+
+module.exports = transport

backend/node_modules/pino/lib/worker.js

@@ -0,0 +1,194 @@
+'use strict'
+
+const EE = require('node:events')
+const { pipeline, PassThrough } = require('node:stream')
+const pino = require('../pino.js')
+const build = require('pino-abstract-transport')
+const loadTransportStreamBuilder = require('./transport-stream')
+
+// This file is not checked by the code coverage tool,
+// as it is not reliable.
+
+/* istanbul ignore file */
+
+/*
+ * > Multiple targets & pipelines
+ *
+ *
+ * ┌─────────────────────────────────────────────────┐    ┌─────┐
+ * │                                                 │    │  p  │
+ * │                                                 │    │  i  │
+ * │                   target                        │    │  n  │
+ * │               │ ────────────────────────────────┼────┤  o  │
+ * │   targets     │   target                        │    │  .  │
+ * │ ────────────► │ ────────────────────────────────┼────┤  m  │       source
+ * │               │   target                        │    │  u  │         │
+ * │               │ ────────────────────────────────┼────┤  l  │         │write
+ * │               │                                 │    │  t  │         ▼
+ * │               │  pipeline   ┌───────────────┐   │    │  i  │      ┌────────┐
+ * │               │ ──────────► │  PassThrough  ├───┼────┤  s  ├──────┤        │
+ * │               │             └───────────────┘   │    │  t  │ write│ Thread │
+ * │               │                                 │    │  r  │◄─────┤ Stream │
+ * │               │  pipeline   ┌───────────────┐   │    │  e  │      │        │
+ * │               │ ──────────► │  PassThrough  ├───┼────┤  a  │      └────────┘
+ * │                             └───────────────┘   │    │  m  │
+ * │                                                 │    │     │
+ * └─────────────────────────────────────────────────┘    └─────┘
+ *
+ *
+ *
+ *  > One single pipeline or target
+ *
+ *
+ *                                                           source
+ *                                                             │
+ * ┌────────────────────────────────────────────────┐          │write
+ * │                                                │          ▼
+ * │                                                │      ┌────────┐
+ * │   targets     │   target                       │      │        │
+ * │ ────────────► │  ──────────────────────────────┤      │        │
+ * │               │                                │      │        │
+ * │                                                ├──────┤        │
+ * │                                                │      │        │
+ * │                                                │      │        │
+ * │                     OR                         │      │        │
+ * │                                                │      │        │
+ * │                                                │      │        │
+ * │                               ┌──────────────┐ │      │        │
+ * │   targets     │   pipeline    │              │ │      │ Thread │
+ * │ ────────────► │  ────────────►│ PassThrough  ├─┤      │ Stream │
+ * │               │               │              │ │      │        │
+ * │                               └──────────────┘ │      │        │
+ * │                                                │      │        │
+ * │                     OR                         │ write│        │
+ * │                                                │◄─────┤        │
+ * │                                                │      │        │
+ * │                ┌──────────────┐                │      │        │
+ * │    pipeline    │              │                │      │        │
+ * │ ──────────────►│ PassThrough  ├────────────────┤      │        │
+ * │                │              │                │      │        │
+ * │                └──────────────┘                │      └────────┘
+ * │                                                │
+ * │                                                │
+ * └────────────────────────────────────────────────┘
+ */
+
+module.exports = async function ({ targets, pipelines, levels, dedupe }) {
+  const targetStreams = []
+
+  // Process targets
+  if (targets && targets.length) {
+    targets = await Promise.all(targets.map(async (t) => {
+      const fn = await loadTransportStreamBuilder(t.target)
+      const stream = await fn(t.options)
+      return {
+        level: t.level,
+        stream
+      }
+    }))
+
+    targetStreams.push(...targets)
+  }
+
+  // Process pipelines
+  if (pipelines && pipelines.length) {
+    pipelines = await Promise.all(
+      pipelines.map(async (p) => {
+        let level
+        const pipeDests = await Promise.all(
+          p.map(async (t) => {
+            // level assigned to pipeline is duplicated over all its targets, just store it
+            level = t.level
+            const fn = await loadTransportStreamBuilder(t.target)
+            const stream = await fn(t.options)
+            return stream
+          }
+          ))
+
+        return {
+          level,
+          stream: createPipeline(pipeDests)
+        }
+      })
+    )
+    targetStreams.push(...pipelines)
+  }
+
+  // Skip building the multistream step if either one single pipeline or target is defined and
+  // return directly the stream instance back to TreadStream.
+  // This is equivalent to define either:
+  //
+  // pino.transport({ target: ... })
+  //
+  // OR
+  //
+  // pino.transport({ pipeline: ... })
+  if (targetStreams.length === 1) {
+    return targetStreams[0].stream
+  } else {
+    return build(process, {
+      parse: 'lines',
+      metadata: true,
+      close (err, cb) {
+        let expected = 0
+        for (const transport of targetStreams) {
+          expected++
+          transport.stream.on('close', closeCb)
+          transport.stream.end()
+        }
+
+        function closeCb () {
+          if (--expected === 0) {
+            cb(err)
+          }
+        }
+      }
+    })
+  }
+
+  // TODO: Why split2 was not used for pipelines?
+  function process (stream) {
+    const multi = pino.multistream(targetStreams, { levels, dedupe })
+    // TODO manage backpressure
+    stream.on('data', function (chunk) {
+      const { lastTime, lastMsg, lastObj, lastLevel } = this
+      multi.lastLevel = lastLevel
+      multi.lastTime = lastTime
+      multi.lastMsg = lastMsg
+      multi.lastObj = lastObj
+
+      // TODO handle backpressure
+      multi.write(chunk + '\n')
+    })
+  }
+
+  /**
+ * Creates a pipeline using the provided streams and return an instance of `PassThrough` stream
+ * as a source for the pipeline.
+ *
+ * @param {(TransformStream|WritableStream)[]} streams An array of streams.
+ *   All intermediate streams in the array *MUST* be `Transform` streams and only the last one `Writable`.
+ * @returns A `PassThrough` stream instance representing the source stream of the pipeline
+ */
+  function createPipeline (streams) {
+    const ee = new EE()
+    const stream = new PassThrough({
+      autoDestroy: true,
+      destroy (_, cb) {
+        ee.on('error', cb)
+        ee.on('closed', cb)
+      }
+    })
+
+    pipeline(stream, ...streams, function (err) {
+      if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') {
+        ee.emit('error', err)
+        return
+      }
+
+      ee.emit('closed')
+    })
+
+    return stream
+  }
+}