From d66a05cf574d74fcb1bdc39244cb672ee2dd839b Mon Sep 17 00:00:00 2001
From: Andrey Lomakin <lom16133@gmail.com>
Date: Tue, 2 Feb 2021 10:45:21 +0300
Subject: [PATCH] Fix broken Markdown headings with quotes

---
 src/services/MenuStore.ts | 16 ++++++++++++----
 src/utils/helpers.ts      |  3 ++-
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/services/MenuStore.ts b/src/services/MenuStore.ts
index ac60fee8..4e080065 100644
--- a/src/services/MenuStore.ts
+++ b/src/services/MenuStore.ts
@@ -46,7 +46,7 @@ export class MenuStore {
     if (!id) {
       return;
     }
-    scroll.scrollIntoViewBySelector(`[${SECTION_ATTR}="${id}"]`);
+    scroll.scrollIntoViewBySelector(`[${SECTION_ATTR}="${MenuStore.escapeQuotes(id)}"]`);
   }
 
   /**
@@ -152,7 +152,7 @@ export class MenuStore {
         item = this.flatItems.find(i => SECURITY_SCHEMES_SECTION_PREFIX.startsWith(i.id));
         this.activate(item);
       }
-      this.scroll.scrollIntoViewBySelector(`[${SECTION_ATTR}="${id}"]`);
+      this.scroll.scrollIntoViewBySelector(`[${SECTION_ATTR}="${MenuStore.escapeQuotes(id)}"]`);
     }
   };
 
@@ -162,7 +162,7 @@ export class MenuStore {
    */
   getElementAt(idx: number): Element | null {
     const item = this.flatItems[idx];
-    return (item && querySelector(`[${SECTION_ATTR}="${item.id}"]`)) || null;
+    return (item && querySelector(`[${SECTION_ATTR}="${MenuStore.escapeQuotes(item.id)}"]`)) || null;
   }
 
   /**
@@ -174,7 +174,7 @@ export class MenuStore {
     if (item && item.type === 'group') {
       item = item.items[0];
     }
-    return (item && querySelector(`[${SECTION_ATTR}="${item.id}"]`)) || null;
+    return (item && querySelector(`[${SECTION_ATTR}="${MenuStore.escapeQuotes(item.id)}"]`)) || null;
   }
 
   /**
@@ -274,4 +274,12 @@ export class MenuStore {
     this._unsubscribe();
     this._hashUnsubscribe();
   }
+
+  private static escapeQuotes(str: string) : string {
+    if (typeof str != 'undefined') {
+      str = str.replace(/["\\]/g, '\\$&');
+    }
+  
+    return str;
+  }
 }
diff --git a/src/utils/helpers.ts b/src/utils/helpers.ts
index d84217a9..8c2782a4 100644
--- a/src/utils/helpers.ts
+++ b/src/utils/helpers.ts
@@ -198,5 +198,6 @@ function parseURL(url: string) {
 export function unescapeHTMLChars(str: string): string {
   return str
     .replace(/&#(\d+);/g, (_m, code) => String.fromCharCode(parseInt(code, 10)))
-    .replace(/&amp;/g, '&');
+    .replace(/&amp;/g, '&')
+    .replace(/&quot;/g, '"');
 }