text: module.exports = Meter
  
  var util = require("util")
  
  var Transform = require("stream").Transform
  
  if (!Transform) {
    Transform = require("readable-stream/transform")
  }
  
  function Meter(maxBytes) {
    if (!(this instanceof Meter)) return new Meter(maxBytes)
    Transform.call(this)
  
    this.bytes = 0
    this.maxBytes = maxBytes || Number.MAX_VALUE
  }
  util.inherits(Meter, Transform)
  
  Meter.prototype._transform = function (chunk, encoding, cb) {
    this.bytes += chunk.length
    this.push(chunk)
    if (this.bytes > this.maxBytes) {
      return cb(new Error("Stream exceeded specified max of " + this.maxBytes + " bytes."))
    }
    cb()
  }