Merge pull request #184 from gregorylegarec/fix/safari-9.1

fix: intent error in Safari 9.1 🍎

.travis.yml

@@ -4,7 +4,6 @@ node_js:
   - "6"
 
 services:
-  - couchdb
   - docker
 
 env:

src/intents.js

@@ -41,6 +41,13 @@ function injectService (url, element, intent, data) {
     const messageHandler = (event) => {
       if (event.origin !== serviceOrigin) return
 
+      if (event.data.type === 'load') {
+        // Safari 9.1 (At least) send a MessageEvent when the iframe loads,
+        // making the handshake fails.
+        console.warn && console.warn('Cozy Client ignored MessageEvent having data.type `load`.')
+        return
+      }
+
       if (event.data.type === `intent-${intent._id}:ready`) {
         handshaken = true
         return event.source.postMessage(data, event.origin)