Merge branch 'travis/sourcemaps' into travis/babel7-wp-es6-fixes

src/Avatar.js

@@ -32,7 +32,7 @@ export function avatarUrlForMember(member, width, height, resizeMethod) {
         // member can be null here currently since on invites, the JS SDK
         // does not have enough info to build a RoomMember object for
         // the inviter.
-        url = this.defaultAvatarUrlForString(member ? member.userId : '');
+        url = defaultAvatarUrlForString(member ? member.userId : '');
     }
     return url;
 }

src/Skinner.js

@@ -58,7 +58,7 @@ class Skinner {
         // components have to be functions.
         const validType = typeof comp === 'function';
         if (!validType) {
-            throw new Error(`Not a valid component: ${name}.`);
+            throw new Error(`Not a valid component: ${name} (type = ${typeof(comp)}).`);
         }
         return comp;
     }

src/Unread.js

@@ -77,7 +77,7 @@ export function doesRoomHaveUnreadMessages(room) {
             // that counts and we can stop looking because the user's read
             // this and everything before.
             return false;
-        } else if (!shouldHideEvent(ev) && this.eventTriggersUnreadCount(ev)) {
+        } else if (!shouldHideEvent(ev) && eventTriggersUnreadCount(ev)) {
             // We've found a message that counts before we hit
             // the user's read receipt, so this room is definitely unread.
             return true;

src/languageHandler.js

@@ -336,6 +336,10 @@ export function getLanguagesFromBrowser() {
     return [navigator.userLanguage || "en"];
 }
 
+export function getLanguageFromBrowser() {
+    return getLanguagesFromBrowser()[0];
+}
+
 /**
  * Turns a language string, normalises it,
  * (see normalizeLanguageKey) into an array of language strings