fix(AEX-2): Fix isExtensionContext check (#1011)

* chore(release): Bump version to 7.3.0. Regenerate docs

* chore(release): Adjust force-progress Channel API docs
Regenerate lock files

* chore(AEX-2): Add `forceValidation` option for AeppRpc stamp

* chore(release): Bump version to 7.3.1

* chore(release): Adjust CHANGELOG

* chore(release): Bump version. Generate CHANGELOG

* chore(release): Adjust expression

* fix(AEX-2): IsExtension check fix. Add proper handling of isConnected function for FireFox

Author: nduchak

es/utils/aepp-wallet-communication/connection/browser-runtime.js

@@ -54,11 +54,12 @@ function disconnect () {
  * @return {void}
  */
 function connect (onMessage, onDisconnect) {
-  if (typeof this.port.onMessage.hasListeners === 'function' && this.port.onMessage.hasListeners()) throw new Error('You already connected')
-  this.port.onMessage.addListener((msg, source) => {
+  if (this.isConnected()) throw new Error('You already connected')
+  this.handler = ((msg, source) => {
     if (this.debug) console.log('Receive message: ', msg)
     onMessage(msg, source)
-  })
+  }).bind(this)
+  this.port.onMessage.addListener(this.handler)
   this.port.onDisconnect.addListener(() => {
     typeof onDisconnect === 'function' && onDisconnect({}, this)
     this.port.disconnect()
@@ -87,7 +88,7 @@ function sendMessage (msg) {
  * @return {Boolean} Is connected
  */
 function isConnected () {
-  return this.port.onMessage.hasListeners()
+  return typeof this.port.onMessage.hasListeners === 'function' ?  this.port.onMessage.hasListeners() : this.port.onMessage.hasListener(this.handler)
 }
 
 /**

es/utils/aepp-wallet-communication/helpers.js

@@ -16,7 +16,7 @@ export const getBrowserAPI = (force = false) => {
 }
 
 const isExtensionContext = () => {
-  const browser = getBrowserAPI()
+  const browser = getBrowserAPI(true)
   return typeof browser === 'object' && browser && typeof browser.extension === 'object'
 }