deps - local-message-stream extracted as module post-message-stream

app/scripts/contentscript.js

@@ -1,4 +1,4 @@
-const LocalMessageDuplexStream = require('./lib/local-message-stream.js')
+const LocalMessageDuplexStream = require('post-message-stream')
 const PortStream = require('./lib/port-stream.js')
 const ObjectMultiplex = require('./lib/obj-multiplex')
 const extension = require('./lib/extension')

app/scripts/inpage.js

@@ -1,7 +1,7 @@
 /*global Web3*/
 cleanContextForImports()
 require('web3/dist/web3.min.js')
-const LocalMessageDuplexStream = require('./lib/local-message-stream.js')
+const LocalMessageDuplexStream = require('post-message-stream')
 const setupDappAutoReload = require('./lib/auto-reload.js')
 const MetamaskInpageProvider = require('./lib/inpage-provider.js')
 restoreContextAfterImports()

app/scripts/lib/local-message-stream.js

@@ -1,56 +0,0 @@
-const Duplex = require('readable-stream').Duplex
-const inherits = require('util').inherits
-
-module.exports = LocalMessageDuplexStream
-
-inherits(LocalMessageDuplexStream, Duplex)
-
-function LocalMessageDuplexStream (opts) {
-  Duplex.call(this, {
-    objectMode: true,
-  })
-
-  // this._origin = opts.origin
-  this._name = opts.name
-  this._target = opts.target
-
-  // console.log('LocalMessageDuplexStream ('+this._name+') - initialized...')
-  window.addEventListener('message', this._onMessage.bind(this), false)
-}
-
-// private
-
-LocalMessageDuplexStream.prototype._onMessage = function (event) {
-  var msg = event.data
-  // console.log('LocalMessageDuplexStream ('+this._name+') - heard message...', event)
-  // validate message
-  if (event.origin !== location.origin) return // console.log('LocalMessageDuplexStream ('+this._name+') - rejected - (event.origin !== location.origin) ')
-  if (typeof msg !== 'object') return // console.log('LocalMessageDuplexStream ('+this._name+') - rejected - (typeof msg !== "object") ')
-  if (msg.target !== this._name) return // console.log('LocalMessageDuplexStream ('+this._name+') - rejected - (msg.target !== this._name) ', msg.target, this._name)
-  if (!msg.data) return // console.log('LocalMessageDuplexStream ('+this._name+') - rejected - (!msg.data) ')
-  // console.log('LocalMessageDuplexStream ('+this._name+') - accepted', msg.data)
-  // forward message
-  try {
-    this.push(msg.data)
-  } catch (err) {
-    this.emit('error', err)
-  }
-}
-
-// stream plumbing
-
-LocalMessageDuplexStream.prototype._read = noop
-
-LocalMessageDuplexStream.prototype._write = function (data, encoding, cb) {
-  // console.log('LocalMessageDuplexStream ('+this._name+') - sending message...')
-  var message = {
-    target: this._target,
-    data: data,
-  }
-  window.postMessage(message, location.origin)
-  cb()
-}
-
-// util
-
-function noop () {}

package.json

@@ -53,6 +53,7 @@
     "once": "^1.3.3",
     "pojo-migrator": "^2.1.0",
     "polyfill-crypto.getrandomvalues": "^1.0.0",
+    "post-message-stream": "^1.0.0",
     "pumpify": "^1.3.4",
     "react": "^15.0.2",
     "react-addons-css-transition-group": "^15.0.2",