diff --git a/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.test.ts b/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.test.ts
new file mode 100644
index 0000000000..51cc3e0879
--- /dev/null
+++ b/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.test.ts
@@ -0,0 +1,96 @@
+import { mock, mockDeep } from 'vitest-mock-extended';
+import type * as tsvfs from '@typescript/vfs';
+import ts from 'typescript';
+import { getDiagnostics, tsCategoryToSeverity } from './linter';
+
+describe('linter > getDiagnostics', () => {
+	it('should return diagnostics for a given file', () => {
+		const env = mockDeep<tsvfs.VirtualTypeScriptEnvironment>();
+		const fileName = 'testFile.ts';
+
+		const semanticDiagnostics = [
+			mock<ts.DiagnosticWithLocation>({
+				file: { fileName },
+				start: 0,
+				length: 10,
+				messageText: 'Semantic error',
+				category: ts.DiagnosticCategory.Error,
+				code: 1234,
+			}),
+		];
+
+		const syntacticDiagnostics = [
+			mock<ts.DiagnosticWithLocation>({
+				file: { fileName },
+				start: 15,
+				length: 5,
+				messageText: 'Syntactic warning',
+				category: ts.DiagnosticCategory.Warning,
+				code: 5678,
+			}),
+		];
+
+		env.languageService.getSemanticDiagnostics.mockReturnValue(semanticDiagnostics);
+		env.languageService.getSyntacticDiagnostics.mockReturnValue(syntacticDiagnostics);
+		env.getSourceFile.mockReturnValue({ fileName } as ts.SourceFile);
+
+		const result = getDiagnostics({ env, fileName });
+
+		expect(result).toHaveLength(2);
+		expect(result[0].message).toBe('Semantic error');
+		expect(result[0].severity).toBe('error');
+		expect(result[1].message).toBe('Syntactic warning');
+		expect(result[1].severity).toBe('warning');
+	});
+
+	it('should filter out ignored diagnostics', () => {
+		const env = mockDeep<tsvfs.VirtualTypeScriptEnvironment>();
+		const fileName = 'testFile.ts';
+
+		const diagnostics = [
+			mock<ts.DiagnosticWithLocation>({
+				file: { fileName },
+				start: 0,
+				length: 10,
+				messageText: 'No implicit any',
+				category: ts.DiagnosticCategory.Error,
+				code: 7006,
+			}),
+			mock<ts.DiagnosticWithLocation>({
+				file: { fileName },
+				start: 0,
+				length: 10,
+				messageText: 'Cannot find module or its corresponding type declarations.',
+				category: ts.DiagnosticCategory.Error,
+				code: 2307,
+			}),
+			mock<ts.DiagnosticWithLocation>({
+				file: { fileName },
+				start: 0,
+				length: 10,
+				messageText: 'Not ignored error',
+				category: ts.DiagnosticCategory.Error,
+				code: 1234,
+			}),
+		];
+
+		env.languageService.getSemanticDiagnostics.mockReturnValue(diagnostics);
+		env.languageService.getSyntacticDiagnostics.mockReturnValue([]);
+		env.getSourceFile.mockReturnValue({ fileName } as ts.SourceFile);
+
+		const result = getDiagnostics({ env, fileName });
+
+		expect(result).toHaveLength(1);
+		expect(result[0].message).toBe('Not ignored error');
+	});
+
+	it('should map diagnostic categories to severities correctly', () => {
+		const diagnostic = mock<ts.DiagnosticWithLocation>({
+			category: ts.DiagnosticCategory.Error,
+			code: 1234,
+		});
+
+		const severity = tsCategoryToSeverity(diagnostic);
+		expect(severity).toBe('error');
+	});
+});
diff --git a/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.ts b/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.ts
index c53774cbfe..c4cf98d340 100644
--- a/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.ts
+++ b/packages/frontend/editor-ui/src/plugins/codemirror/typescript/worker/linter.ts
@@ -49,8 +49,15 @@ function isDiagnosticWithLocation(
 }
 
 function isIgnoredDiagnostic(diagnostic: ts.Diagnostic) {
-	// No implicit any
-	return diagnostic.code === 7006;
+	switch (diagnostic.code) {
+		// No implicit any
+		case 7006:
+		// Cannot find module or its corresponding type declarations.
+		case 2307:
+			return true;
+	}
+
+	return false;
 }
 
 /**