From d9d8dcc7f419dbcecef062110dc41b57899056f7 Mon Sep 17 00:00:00 2001
From: Valentin Mihai <valentin@devplant.ro>
Date: Mon, 14 Feb 2022 11:13:34 +0200
Subject: [PATCH] check if body contains helper element before removing it

---
 src/lib/help-mode/help-mode.service.ts                    | 6 ++++--
 src/lib/listing/page-header/models/button-config.model.ts | 1 -
 src/lib/listing/page-header/page-header.component.html    | 1 +
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/lib/help-mode/help-mode.service.ts b/src/lib/help-mode/help-mode.service.ts
index fd2cba9..65f6107 100644
--- a/src/lib/help-mode/help-mode.service.ts
+++ b/src/lib/help-mode/help-mode.service.ts
@@ -54,7 +54,7 @@ export class HelpModeService {
     }
 
     getDocsLink(elementName: string): string {
-        return `${this._manualBaseURL}${this._docs[elementName][this._translateService.currentLang]}`;
+        return this._docs[elementName] ? `${this._manualBaseURL}${this._docs[elementName][this._translateService.currentLang]}` : '';
     }
 
     activateHelpMode(): void {
@@ -112,7 +112,9 @@ export class HelpModeService {
 
     private _disableHelperElements() {
         Object.values(this._helperElements).forEach(({ helperElement }) => {
-            document.body.removeChild(helperElement)
+            if (document.body.contains(helperElement)) {
+                document.body.removeChild(helperElement);
+            }
         });
     }
 
diff --git a/src/lib/listing/page-header/models/button-config.model.ts b/src/lib/listing/page-header/models/button-config.model.ts
index a51a41e..67ab4d8 100644
--- a/src/lib/listing/page-header/models/button-config.model.ts
+++ b/src/lib/listing/page-header/models/button-config.model.ts
@@ -3,5 +3,4 @@ import { ActionConfig } from './action-config.model';
 
 export interface ButtonConfig extends ActionConfig {
     readonly type?: IconButtonType;
-    readonly helpModeKey?: string;
 }
diff --git a/src/lib/listing/page-header/page-header.component.html b/src/lib/listing/page-header/page-header.component.html
index 187bbd9..3bb6c79 100644
--- a/src/lib/listing/page-header/page-header.component.html
+++ b/src/lib/listing/page-header/page-header.component.html
@@ -44,6 +44,7 @@
                     [icon]="config.icon"
                     [tooltip]="config.label"
                     tooltipPosition="below"
+                    [iqserHelpMode]="config.helpModeKey"
                 ></iqser-circle-button>
             </ng-container>