Rely on just window history

src/components/AppLayout/AppLayout.tsx

@@ -68,7 +68,6 @@ import {
     getAccountRegistry,
     removeAccountFromRegistry
 } from "../../utilities/accounts";
-import { isChildView } from "../../utilities/appbar";
 
 interface IAppLayoutState {
     acctMenuOpen: boolean;
@@ -223,6 +222,10 @@ export class AppLayout extends Component<any, IAppLayoutState> {
         });
     }
 
+    canGoBack(): boolean {
+        return window.history.length > 1;
+    }
+
     toggleAcctMenu() {
         this.setState({ acctMenuOpen: !this.state.acctMenuOpen });
     }
@@ -486,7 +489,7 @@ export class AppLayout extends Component<any, IAppLayoutState> {
                     {this.titlebar()}
                     <AppBar className={classes.appBar} position="static">
                         <Toolbar>
-                            {isChildView(window.location.hash) ? (
+                            {isDesktopApp() && this.canGoBack() ? (
                                 <IconButton
                                     className={classes.appBarBackButton}
                                     color="inherit"

src/utilities/appbar.tsx

@@ -9,20 +9,3 @@ import { isDarwinApp } from "./desktop";
 export function isAppbarExpanded(): boolean {
     return isDarwinApp() || process.env.NODE_ENV === "development";
 }
-
-/**
- * Determine whether the current page is a child view and can go back.
- */
-export function isChildView(hash: string): boolean {
-    const childViews = ["#/conversation", "#/profile"];
-    let foundProtocol = false;
-
-    childViews.forEach((childViewProtocol: string) => {
-        if (hash.includes(childViewProtocol)) {
-            console.log(childViewProtocol);
-            foundProtocol = true;
-        }
-    });
-
-    return foundProtocol;
-}