Enforce front project structure through ESLINT (#7863)

Fixes: https://github.com/twentyhq/twenty/issues/7329

packages/twenty-front/src/modules/workflow/utils/assertWorkflowWithCurrentVersionIsDefined.ts

@@ -0,0 +1,15 @@
+import {
+  Workflow,
+  WorkflowVersion,
+  WorkflowWithCurrentVersion,
+} from '@/workflow/types/Workflow';
+import { isDefined } from 'twenty-ui';
+
+// eslint-disable-next-line prefer-arrow/prefer-arrow-functions
+export function assertWorkflowWithCurrentVersionIsDefined(
+  workflow: WorkflowWithCurrentVersion | undefined,
+): asserts workflow is Workflow & { currentVersion: WorkflowVersion } {
+  if (!isDefined(workflow) || !isDefined(workflow.currentVersion)) {
+    throw new Error('Expected workflow and its current version to be defined');
+  }
+}