From d68328138ca0188e0dc7ddb5843aaea7256f3c44 Mon Sep 17 00:00:00 2001
From: Ivan Goncharov <ivan.goncharov.ua@gmail.com>
Date: Mon, 30 May 2022 00:52:52 +0300
Subject: [PATCH] Drop 'isPromise'

We shouldn't do any additional validation beyound TS
---
 src/components/Voyager.tsx | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/src/components/Voyager.tsx b/src/components/Voyager.tsx
index 33b19c8f..3e08bd77 100644
--- a/src/components/Voyager.tsx
+++ b/src/components/Voyager.tsx
@@ -87,14 +87,7 @@ export default class Voyager extends React.Component<VoyagerProps> {
       return;
     }
 
-    let promise = this.props.introspection(getIntrospectionQuery());
-
-    if (!isPromise(promise)) {
-      throw new Error(
-        'SchemaProvider did not return a Promise for introspection.',
-      );
-    }
-
+    const promise = this.props.introspection(getIntrospectionQuery());
     this.setState({
       introspectionData: null,
       schema: null,
@@ -249,8 +242,3 @@ export default class Voyager extends React.Component<VoyagerProps> {
     return props.children || null;
   };
 }
-
-// Duck-type promise detection.
-function isPromise(value) {
-  return typeof value === 'object' && typeof value.then === 'function';
-}