This file is indexed.

/usr/lib/nodejs/npmlog/log.js is in node-npmlog 0.0.4-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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var EE = require('events').EventEmitter
var log = exports = module.exports = new EE
var util = require('util')

var ansi = require('ansi')
log.cursor = ansi(process.stderr)
log.stream = process.stderr

// by default, let ansi decide based on tty-ness.
var colorEnabled = undefined
log.enableColor = function () {
  colorEnabled = true
  this.cursor.enabled = true
}
log.disableColor = function () {
  colorEnabled = false
  this.cursor.enabled = false
}

// default level
log.level = 'info'

// temporarily stop emitting, but don't drop
log.pause = function () {
  this._paused = true
}

log.resume = function () {
  if (!this._paused) return
  this._paused = false

  var b = this._buffer
  this._buffer = []
  b.forEach(function (m) {
    this.emitLog(m)
  }, this)
}

log._buffer = []

var id = 0
log.record = []
log.maxRecordSize = 10000
log.log = function (lvl, prefix, message) {
  var l = this.levels[lvl]
  if (l === undefined) {
    return this.emit('error', new Error(util.format(
      'Undefined log level: %j', lvl)))
  }

  var a = new Array(arguments.length - 2)
  var stack = null
  for (var i = 2; i < arguments.length; i ++) {
    var arg = a[i-2] = arguments[i]

    // resolve stack traces to a plain string.
    if (typeof arg === 'object' && arg &&
        (arg instanceof Error) && arg.stack) {
      arg.stack = stack = arg.stack + ''
    }
  }
  if (stack) a.unshift(stack + '\n')
  message = util.format.apply(util, a)

  var m = { id: id++,
            level: lvl,
            prefix: String(prefix || ''),
            message: message,
            messageRaw: a }

  this.emit('log', m)
  this.emit('log.' + lvl, m)
  if (m.prefix) this.emit(m.prefix, m)

  this.record.push(m)
  var mrs = this.maxRecordSize
  var n = this.record.length - mrs
  if (n > mrs / 10) {
    var newSize = Math.floor(mrs * 0.9)
    this.record = this.record.slice(-1 * newSize)
  }

  this.emitLog(m)
}.bind(log)

log.emitLog = function (m) {
  if (this._paused) {
    this._buffer.push(m)
    return
  }
  var l = this.levels[m.level]
  if (l === undefined) return
  if (l < this.levels[this.level]) return
  if (l > 0 && !isFinite(l)) return

  var style = log.style[m.level]
  var disp = log.disp[m.level] || m.level
  m.message.split(/\r?\n/).forEach(function (line) {
    if (this.heading) {
      this.write(this.heading, this.headingStyle)
      this.write(' ')
    }
    this.write(disp, log.style[m.level])
    var p = m.prefix || ''
    if (p) this.write(' ')
    this.write(p, this.prefixStyle)
    this.write(' ' + line + '\n')
  }, this)
}

log.write = function (msg, style) {
  if (!this.cursor) return
  if (this.stream !== this.cursor.stream) {
    this.cursor = ansi(this.stream, { enabled: colorEnabled })
  }

  style = style || {}
  if (style.fg) this.cursor.fg[style.fg]()
  if (style.bg) this.cursor.bg[style.bg]()
  if (style.bold) this.cursor.bold()
  if (style.underline) this.cursor.underline()
  if (style.inverse) this.cursor.inverse()
  if (style.beep) this.cursor.beep()
  this.cursor.write(msg).reset()
}

log.addLevel = function (lvl, n, style, disp) {
  if (!disp) disp = lvl
  this.levels[lvl] = n
  this.style[lvl] = style
  if (!this[lvl]) this[lvl] = function () {
    var a = new Array(arguments.length + 1)
    a[0] = lvl
    for (var i = 0; i < arguments.length; i ++) {
      a[i + 1] = arguments[i]
    }
    return this.log.apply(this, a)
  }.bind(this)
  this.disp[lvl] = disp
}

log.prefixStyle = { fg: 'magenta' }
log.headingStyle = { fg: 'white', bg: 'black' }

log.style = {}
log.levels = {}
log.disp = {}
log.addLevel('silly', -Infinity, { inverse: true }, 'sill')
log.addLevel('verbose', 1000, { fg: 'blue', bg: 'black' }, 'verb')
log.addLevel('info', 2000, { fg: 'green' })
log.addLevel('http', 3000, { fg: 'green', bg: 'black' })
log.addLevel('warn', 4000, { fg: 'black', bg: 'yellow' }, 'WARN')
log.addLevel('error', 5000, { fg: 'red', bg: 'black' }, 'ERR!')
log.addLevel('silent', Infinity)