feat: enable opening external URLs in editor

src/renderer/components/editor.tsx

@@ -82,16 +82,22 @@ export class Editor extends React.Component<EditorProps> {
     const { fontFamily, fontSize } = appState;
 
     if (ref) {
-      this.editor = monaco.editor.create(ref, {
-        automaticLayout: true,
-        language: this.language,
-        theme: 'main',
-        fontFamily,
-        fontSize,
-        contextmenu: false,
-        model: null,
-        ...monacoOptions,
-      });
+      this.editor = monaco.editor.create(
+        ref,
+        {
+          automaticLayout: true,
+          language: this.language,
+          theme: 'main',
+          fontFamily,
+          fontSize,
+          contextmenu: false,
+          model: null,
+          ...monacoOptions,
+        },
+        {
+          openerService: this.openerService(),
+        },
+      );
 
       // mark this editor as focused whenever it is
       this.editor.onDidFocusEditorText(() => {
@@ -113,6 +119,28 @@ export class Editor extends React.Component<EditorProps> {
     }
   }
 
+  /**
+   * Implements external url handling for Monaco.
+   *
+   * @returns {MonacoType.editor.IOpenerService}
+   */
+  private openerService() {
+    const { appState } = this.props;
+
+    return {
+      open: (url: string) => {
+        appState
+          .showConfirmDialog({
+            label: `Open ${url} in external browser?`,
+            ok: 'Open',
+          })
+          .then((open) => {
+            if (open) window.open(url);
+          });
+      },
+    };
+  }
+
   public render() {
     return <div className="editorContainer" ref={this.containerRef} />;
   }

src/renderer/components/output.tsx

@@ -78,16 +78,22 @@ export const Output = observer(
       const ref = this.outputRef.current;
       if (ref) {
         this.setupCustomOutputEditorLanguage(monaco);
-        this.editor = monaco.editor.create(ref, {
-          language: this.language,
-          theme: 'main',
-          readOnly: true,
-          contextmenu: false,
-          automaticLayout: true,
-          model: this.model,
-          ...monacoOptions,
-          wordWrap: 'on',
-        });
+        this.editor = monaco.editor.create(
+          ref,
+          {
+            language: this.language,
+            theme: 'main',
+            readOnly: true,
+            contextmenu: false,
+            automaticLayout: true,
+            model: this.model,
+            ...monacoOptions,
+            wordWrap: 'on',
+          },
+          {
+            openerService: this.openerService(),
+          },
+        );
       }
     }
 
@@ -193,6 +199,28 @@ export const Output = observer(
       return lines;
     }
 
+    /**
+     * Implements external url handling for Monaco.
+     *
+     * @returns {MonacoType.editor.IOpenerService}
+     */
+    private openerService() {
+      const { appState } = this.props;
+
+      return {
+        open: (url: string) => {
+          appState
+            .showConfirmDialog({
+              label: `Open ${url} in external browser?`,
+              ok: 'Open',
+            })
+            .then((open) => {
+              if (open) window.open(url);
+            });
+        },
+      };
+    }
+
     public render(): JSX.Element | null {
       const { isConsoleShowing } = this.props.appState;