EDITOR: fix disposing models (#1026)

src/ScriptEditor/ui/Editor.tsx

@@ -42,7 +42,7 @@ export function Editor({ onMount, onChange }: EditorProps) {
     // Unmounting
     return () => {
       subscription.current?.dispose();
-      editorRef.current?.getModel()?.dispose();
+      monaco.editor.getModels().forEach((model) => model.dispose());
       editorRef.current?.dispose();
     };
     // this eslint ignore instruction can potentially cause unobvious bugs

src/ScriptEditor/ui/OpenScript.ts

@@ -1,5 +1,6 @@
 import type { ContentFilePath } from "../../Paths/ContentFile";
-import monaco, { editor, Position } from "monaco-editor";
+import { editor, Position } from "monaco-editor";
+import { makeModel } from "./utils";
 
 type ITextModel = editor.ITextModel;
 
@@ -24,13 +25,6 @@ export class OpenScript {
   }
 
   regenerateModel(): void {
-    this.model = editor.createModel(
-      this.code,
-      this.isTxt ? "plaintext" : "javascript",
-      monaco.Uri.from({
-        scheme: "file",
-        path: `${this.hostname}/${this.path}`,
-      }),
-    );
+    this.model = makeModel(this.hostname, this.path, this.code);
   }
 }

src/ScriptEditor/ui/ScriptEditorRoot.tsx

@@ -22,7 +22,7 @@ import { PromptEvent } from "../../ui/React/PromptManager";
 
 import { useRerender } from "../../ui/React/hooks";
 
-import { dirty, getServerCode } from "./utils";
+import { dirty, getServerCode, makeModel } from "./utils";
 import { OpenScript } from "./OpenScript";
 import { Tabs } from "./Tabs";
 import { Toolbar } from "./Toolbar";
@@ -191,14 +191,7 @@ function Root(props: IProps): React.ReactElement {
           code,
           props.hostname,
           new monaco.Position(0, 0),
-          monaco.editor.createModel(
-            code,
-            filename.endsWith(".txt") ? "plaintext" : "javascript",
-            monaco.Uri.from({
-              scheme: "file",
-              path: `${props.hostname}/${filename}`,
-            }),
-          ),
+          makeModel(props.hostname, filename, code),
         );
         openScripts.push(newScript);
         currentScript = newScript;
@@ -274,12 +267,12 @@ function Root(props: IProps): React.ReactElement {
             // Save changes
             closingScript.code = savedScriptCode;
             saveScript(closingScript);
-            Router.toPage(Page.Terminal);
           }
         },
       });
     }
-
+    //unmounting the editor will dispose all, doesnt hurt to dispose on close aswell
+    closingScript.model.dispose();
     openScripts.splice(index, 1);
     if (openScripts.length === 0) {
       currentScript = null;

src/ScriptEditor/ui/utils.ts

@@ -1,5 +1,5 @@
 import { GetServer } from "../../Server/AllServers";
-
+import { editor, Uri } from "monaco-editor";
 import { OpenScript } from "./OpenScript";
 
 function getServerCode(scripts: OpenScript[], index: number): string | null {
@@ -21,5 +21,14 @@ function reorder(list: unknown[], startIndex: number, endIndex: number): void {
   const [removed] = list.splice(startIndex, 1);
   list.splice(endIndex, 0, removed);
 }
+function makeModel(hostname: string, filename: string, code: string) {
+  const uri = Uri.from({
+    scheme: "file",
+    path: `${hostname}/${filename}`,
+  });
+  const language = filename.endsWith(".txt") ? "plaintext" : "javascript";
+  //if somehow a model already exist return it
+  return editor.getModel(uri) ?? editor.createModel(code, language, uri);
+}
 
-export { getServerCode, dirty, reorder };
+export { getServerCode, dirty, reorder, makeModel };