From 7b9886b4b0650af56b52a1466372e0ae0af0c14f Mon Sep 17 00:00:00 2001
From: Michal Orlik <sogehige@gmail.com>
Date: Mon, 2 Dec 2019 11:14:29 +0100
Subject: [PATCH 1/2] fix(api): set better error message

Fixes #3039
---
 src/bot/api.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/bot/api.ts b/src/bot/api.ts
index d79a44564d5..754e85da9f2 100644
--- a/src/bot/api.ts
+++ b/src/bot/api.ts
@@ -1009,7 +1009,11 @@ class API extends Core {
             justStarted = true;
 
             for (const event of getFunctionList('streamStart')) {
-              this[event.fName]();
+              if (typeof this[event.fName]) {
+                this[event.fName]();
+              } else {
+                throw new Error(`!!! Event ${event.path} don't have function ${event.fName} !!!`);
+              }
             }
           }
         }

From 0d99e5454ae24e4e6f62217ea969541bc3a6489e Mon Sep 17 00:00:00 2001
From: Michal Orlik <sogehige@gmail.com>
Date: Mon, 2 Dec 2019 11:45:04 +0100
Subject: [PATCH 2/2] fix if

---
 src/bot/api.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bot/api.ts b/src/bot/api.ts
index 754e85da9f2..0fe0ab44631 100644
--- a/src/bot/api.ts
+++ b/src/bot/api.ts
@@ -1009,7 +1009,7 @@ class API extends Core {
             justStarted = true;
 
             for (const event of getFunctionList('streamStart')) {
-              if (typeof this[event.fName]) {
+              if (typeof this[event.fName] === 'function') {
                 this[event.fName]();
               } else {
                 throw new Error(`!!! Event ${event.path} don't have function ${event.fName} !!!`);