fix(compile_error): fixed typescript error

SoftVarE-Group · Jan 9, 2024 · dab2f0d · dab2f0d
1 parent e0e812e
commit dab2f0d
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/WebSocketClient/src/uvlTutorial.ts b/WebSocketClient/src/uvlTutorial.ts
@@ -108,8 +108,8 @@ export default function initUvlTutorial(editor: editor.IStandaloneCodeEditor) {
         }
     }
 
-    function changesViewOnClick(tutorialDiv: HTMLElement, paragraph: HTMLParagraphElement, originalCode: string, modifiedCode: string) {
-        if(paragraph.textContent === "Show Changes ›"){
+    function changesViewOnClick(tutorialDiv: HTMLElement | null, paragraph: HTMLParagraphElement, originalCode: string | undefined, modifiedCode: string | undefined) {
+        if(paragraph.textContent === "Show Changes ›" && tutorialDiv && originalCode && modifiedCode){
             const editordiv = document.createElement("div");
             editordiv.id = "diffEditorDiv";
             tutorialDiv.appendChild(editordiv);
@@ -139,9 +139,11 @@ export default function initUvlTutorial(editor: editor.IStandaloneCodeEditor) {
 
             paragraph.textContent = "Hide Changes"
         }
-        else if(paragraph.textContent === "Hide Changes"){
+        else if(paragraph.textContent === "Hide Changes" && tutorialDiv){
             const diffEditor = document.getElementById("diffEditorDiv");
-            tutorialDiv.removeChild(diffEditor);
+            if (diffEditor){
+                tutorialDiv.removeChild(diffEditor);
+            }
 
             paragraph.textContent = "Show Changes ›"
         }