From 01c169e796c4d8dd47526fcb07cb6cee1f034d9f Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 24 Oct 2018 01:31:31 +0200
Subject: [PATCH] Fix JS error when posting from page without router context
 (#9073)

Fix #9057
---
 app/javascript/mastodon/actions/compose.js                      | 2 +-
 .../mastodon/features/compose/components/compose_form.js        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/javascript/mastodon/actions/compose.js b/app/javascript/mastodon/actions/compose.js
index fac8d32a125..86d83122fc1 100644
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@@ -142,7 +142,7 @@ export function submitCompose(routerHistory) {
         }
       };
 
-      if (response.data.visibility === 'direct' && getState().getIn(['conversations', 'mounted']) <= 0) {
+      if (response.data.visibility === 'direct' && getState().getIn(['conversations', 'mounted']) <= 0 && routerHistory) {
         routerHistory.push('/timelines/direct');
       } else if (response.data.visibility !== 'direct') {
         insertIfOnline('home');
diff --git a/app/javascript/mastodon/features/compose/components/compose_form.js b/app/javascript/mastodon/features/compose/components/compose_form.js
index 27178fe1981..0625ab22321 100644
--- a/app/javascript/mastodon/features/compose/components/compose_form.js
+++ b/app/javascript/mastodon/features/compose/components/compose_form.js
@@ -88,7 +88,7 @@ class ComposeForm extends ImmutablePureComponent {
       return;
     }
 
-    this.props.onSubmit(this.context.router.history);
+    this.props.onSubmit(this.context.router ? this.context.router.history : null);
   }
 
   onSuggestionsClearRequested = () => {