From a4a40135eca84caaef0a6993e8532bc814367e05 Mon Sep 17 00:00:00 2001
From: Roman Hotsiy <gotsijroman@gmail.com>
Date: Mon, 8 Oct 2018 11:54:07 +0300
Subject: [PATCH] fix: extensionHook not being used

fixes #665
---
 src/services/RedocNormalizedOptions.ts | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/services/RedocNormalizedOptions.ts b/src/services/RedocNormalizedOptions.ts
index 18623976..d445b667 100644
--- a/src/services/RedocNormalizedOptions.ts
+++ b/src/services/RedocNormalizedOptions.ts
@@ -126,14 +126,13 @@ export class RedocNormalizedOptions {
   allowedMdComponents: Dict<MDXComponentMeta>;
 
   constructor(raw: RedocRawOptions, defaults: RedocRawOptions = {}) {
-    let hook;
     raw = { ...defaults, ...raw };
-    if (raw.theme && raw.theme.extensionsHook) {
-      hook = raw.theme.extensionsHook;
-      raw.theme.extensionsHook = undefined;
-    }
-    this.theme = resolveTheme(mergeObjects({} as any, defaultTheme, raw.theme || {}));
-    this.theme.extensionsHook = hook;
+    const hook = raw.theme && raw.theme.extensionsHook;
+    this.theme = resolveTheme(
+      mergeObjects({} as any, defaultTheme, { ...raw.theme, extensionsHook: undefined }),
+    );
+
+    this.theme.extensionsHook = hook as any;
 
     this.scrollYOffset = RedocNormalizedOptions.normalizeScrollYOffset(raw.scrollYOffset);
     this.hideHostname = RedocNormalizedOptions.normalizeHideHostname(raw.hideHostname);