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326 lines
9.2 KiB
326 lines
9.2 KiB
'use strict'
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var format = require('quick-format-unescaped')
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module.exports = pino
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var _console = pfGlobalThisOrFallback().console || {}
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var stdSerializers = {
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mapHttpRequest: mock,
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mapHttpResponse: mock,
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wrapRequestSerializer: passthrough,
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wrapResponseSerializer: passthrough,
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wrapErrorSerializer: passthrough,
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req: mock,
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res: mock,
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err: asErrValue
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}
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function pino (opts) {
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opts = opts || {}
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opts.browser = opts.browser || {}
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var transmit = opts.browser.transmit
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if (transmit && typeof transmit.send !== 'function') { throw Error('pino: transmit option must have a send function') }
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var proto = opts.browser.write || _console
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if (opts.browser.write) opts.browser.asObject = true
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var serializers = opts.serializers || {}
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var serialize = Array.isArray(opts.browser.serialize)
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? opts.browser.serialize.filter(function (k) {
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return k !== '!stdSerializers.err'
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})
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: opts.browser.serialize === true ? Object.keys(serializers) : false
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var stdErrSerialize = opts.browser.serialize
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if (
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Array.isArray(opts.browser.serialize) &&
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opts.browser.serialize.indexOf('!stdSerializers.err') > -1
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) stdErrSerialize = false
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var levels = ['error', 'fatal', 'warn', 'info', 'debug', 'trace']
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if (typeof proto === 'function') {
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proto.error = proto.fatal = proto.warn =
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proto.info = proto.debug = proto.trace = proto
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}
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if (opts.enabled === false) opts.level = 'silent'
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var level = opts.level || 'info'
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var logger = Object.create(proto)
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if (!logger.log) logger.log = noop
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Object.defineProperty(logger, 'levelVal', {
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get: getLevelVal
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})
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Object.defineProperty(logger, 'level', {
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get: getLevel,
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set: setLevel
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})
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var setOpts = {
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transmit: transmit,
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serialize: serialize,
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asObject: opts.browser.asObject,
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levels: levels
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}
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logger.levels = pino.levels
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logger.level = level
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logger.setMaxListeners = logger.getMaxListeners =
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logger.emit = logger.addListener = logger.on =
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logger.prependListener = logger.once =
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logger.prependOnceListener = logger.removeListener =
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logger.removeAllListeners = logger.listeners =
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logger.listenerCount = logger.eventNames =
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logger.write = logger.flush = noop
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logger.serializers = serializers
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logger._serialize = serialize
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logger._stdErrSerialize = stdErrSerialize
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logger.child = child
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if (transmit) logger._logEvent = createLogEventShape()
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function getLevelVal () {
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return this.level === 'silent'
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? Infinity
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: this.levels.values[this.level]
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}
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function getLevel () {
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return this._level
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}
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function setLevel (level) {
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if (level !== 'silent' && !this.levels.values[level]) {
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throw Error('unknown level ' + level)
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}
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this._level = level
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set(setOpts, logger, 'error', 'log') // <-- must stay first
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set(setOpts, logger, 'fatal', 'error')
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set(setOpts, logger, 'warn', 'error')
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set(setOpts, logger, 'info', 'log')
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set(setOpts, logger, 'debug', 'log')
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set(setOpts, logger, 'trace', 'log')
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}
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function child (bindings) {
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if (!bindings) {
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throw new Error('missing bindings for child Pino')
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}
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var bindingsSerializers = bindings.serializers
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if (serialize && bindingsSerializers) {
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var childSerializers = Object.assign({}, serializers, bindingsSerializers)
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var childSerialize = opts.browser.serialize === true
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? Object.keys(childSerializers)
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: serialize
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delete bindings.serializers
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applySerializers([bindings], childSerialize, childSerializers, this._stdErrSerialize)
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}
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function Child (parent) {
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this._childLevel = (parent._childLevel | 0) + 1
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this.error = bind(parent, bindings, 'error')
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this.fatal = bind(parent, bindings, 'fatal')
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this.warn = bind(parent, bindings, 'warn')
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this.info = bind(parent, bindings, 'info')
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this.debug = bind(parent, bindings, 'debug')
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this.trace = bind(parent, bindings, 'trace')
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if (childSerializers) {
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this.serializers = childSerializers
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this._serialize = childSerialize
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}
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if (transmit) {
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this._logEvent = createLogEventShape(
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[].concat(parent._logEvent.bindings, bindings)
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)
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}
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}
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Child.prototype = this
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return new Child(this)
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}
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return logger
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}
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pino.LOG_VERSION = 1
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pino.levels = {
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values: {
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fatal: 60,
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error: 50,
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warn: 40,
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info: 30,
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debug: 20,
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trace: 10
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},
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labels: {
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10: 'trace',
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20: 'debug',
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30: 'info',
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40: 'warn',
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50: 'error',
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60: 'fatal'
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}
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}
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pino.stdSerializers = stdSerializers
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function set (opts, logger, level, fallback) {
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var proto = Object.getPrototypeOf(logger)
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logger[level] = logger.levelVal > logger.levels.values[level] ? noop
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: (proto[level] ? proto[level] : (_console[level] || _console[fallback] || noop))
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wrap(opts, logger, level)
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}
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function wrap (opts, logger, level) {
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if (!opts.transmit && logger[level] === noop) return
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logger[level] = (function (write) {
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return function LOG () {
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var ts = Date.now()
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var args = new Array(arguments.length)
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var proto = (Object.getPrototypeOf && Object.getPrototypeOf(this) === _console) ? _console : this
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for (var i = 0; i < args.length; i++) args[i] = arguments[i]
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if (opts.serialize && !opts.asObject) {
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applySerializers(args, this._serialize, this.serializers, this._stdErrSerialize)
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}
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if (opts.asObject) write.call(proto, asObject(this, level, args, ts))
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else write.apply(proto, args)
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if (opts.transmit) {
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var transmitLevel = opts.transmit.level || logger.level
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var transmitValue = pino.levels.values[transmitLevel]
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var methodValue = pino.levels.values[level]
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if (methodValue < transmitValue) return
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transmit(this, {
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ts: ts,
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methodLevel: level,
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methodValue: methodValue,
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transmitLevel: transmitLevel,
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transmitValue: pino.levels.values[opts.transmit.level || logger.level],
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send: opts.transmit.send,
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val: logger.levelVal
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}, args)
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}
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}
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})(logger[level])
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}
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function asObject (logger, level, args, ts) {
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if (logger._serialize) applySerializers(args, logger._serialize, logger.serializers, logger._stdErrSerialize)
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var argsCloned = args.slice()
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var msg = argsCloned[0]
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var o = { time: ts, level: pino.levels.values[level] }
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var lvl = (logger._childLevel | 0) + 1
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if (lvl < 1) lvl = 1
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// deliberate, catching objects, arrays
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if (msg !== null && typeof msg === 'object') {
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while (lvl-- && typeof argsCloned[0] === 'object') {
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Object.assign(o, argsCloned.shift())
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}
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msg = argsCloned.length ? format(argsCloned.shift(), argsCloned) : undefined
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} else if (typeof msg === 'string') msg = format(argsCloned.shift(), argsCloned)
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if (msg !== undefined) o.msg = msg
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return o
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}
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function applySerializers (args, serialize, serializers, stdErrSerialize) {
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for (var i in args) {
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if (stdErrSerialize && args[i] instanceof Error) {
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args[i] = pino.stdSerializers.err(args[i])
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} else if (typeof args[i] === 'object' && !Array.isArray(args[i])) {
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for (var k in args[i]) {
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if (serialize && serialize.indexOf(k) > -1 && k in serializers) {
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args[i][k] = serializers[k](args[i][k])
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}
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}
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}
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}
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}
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function bind (parent, bindings, level) {
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return function () {
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var args = new Array(1 + arguments.length)
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args[0] = bindings
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for (var i = 1; i < args.length; i++) {
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args[i] = arguments[i - 1]
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}
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return parent[level].apply(this, args)
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}
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}
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function transmit (logger, opts, args) {
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var send = opts.send
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var ts = opts.ts
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var methodLevel = opts.methodLevel
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var methodValue = opts.methodValue
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var val = opts.val
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var bindings = logger._logEvent.bindings
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applySerializers(
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args,
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logger._serialize || Object.keys(logger.serializers),
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logger.serializers,
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logger._stdErrSerialize === undefined ? true : logger._stdErrSerialize
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)
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logger._logEvent.ts = ts
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logger._logEvent.messages = args.filter(function (arg) {
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// bindings can only be objects, so reference equality check via indexOf is fine
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return bindings.indexOf(arg) === -1
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})
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logger._logEvent.level.label = methodLevel
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logger._logEvent.level.value = methodValue
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send(methodLevel, logger._logEvent, val)
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logger._logEvent = createLogEventShape(bindings)
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}
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function createLogEventShape (bindings) {
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return {
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ts: 0,
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messages: [],
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bindings: bindings || [],
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level: { label: '', value: 0 }
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}
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}
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function asErrValue (err) {
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var obj = {
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type: err.constructor.name,
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msg: err.message,
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stack: err.stack
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}
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for (var key in err) {
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if (obj[key] === undefined) {
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obj[key] = err[key]
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}
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}
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return obj
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}
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function mock () { return {} }
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function passthrough (a) { return a }
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function noop () {}
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/* eslint-disable */
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/* istanbul ignore next */
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function pfGlobalThisOrFallback () {
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function defd (o) { return typeof o !== 'undefined' && o }
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try {
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if (typeof globalThis !== 'undefined') return globalThis
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Object.defineProperty(Object.prototype, 'globalThis', {
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get: function () {
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delete Object.prototype.globalThis
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return (this.globalThis = this)
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},
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configurable: true
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})
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return globalThis
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} catch (e) {
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return defd(self) || defd(window) || defd(this) || {}
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}
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}
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/* eslint-enable */
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