From 5b4d394039989042280abc4ebe778192dc8c88a1 Mon Sep 17 00:00:00 2001
From: hunicus <93150691+hunicus@users.noreply.github.com>
Date: Wed, 10 Aug 2022 15:17:47 -0400
Subject: [PATCH] Remove doc scroll listener after navigating away

---
 frontend/src/app/docs/api-docs/api-docs.component.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/frontend/src/app/docs/api-docs/api-docs.component.ts b/frontend/src/app/docs/api-docs/api-docs.component.ts
index 260a701ea..ed0ecb0a2 100644
--- a/frontend/src/app/docs/api-docs/api-docs.component.ts
+++ b/frontend/src/app/docs/api-docs/api-docs.component.ts
@@ -50,9 +50,7 @@ export class ApiDocsComponent implements OnInit, AfterViewInit {
           document.getElementById( this.route.snapshot.fragment ).scrollIntoView();
         }
       }
-      window.addEventListener('scroll', function() {
-        that.desktopDocsNavPosition = ( window.pageYOffset > 182 ) ? "fixed" : "relative";
-      }, { passive: true} );
+      window.addEventListener('scroll', that.onDocScroll, { passive: true });
     }, 1 );
   }
 
@@ -87,6 +85,14 @@ export class ApiDocsComponent implements OnInit, AfterViewInit {
     });
   }
 
+  ngOnDestroy(): void {
+    window.removeEventListener('scroll', this.onDocScroll);
+  }
+
+  onDocScroll() {
+    this.desktopDocsNavPosition = ( window.pageYOffset > 182 ) ? "fixed" : "relative";
+  }
+
   anchorLinkClick( event: any ) {
     let targetId = "";
     if( event.target.nodeName === "A" ) {