feat: Convert all query files to JS

packages/backend/src/graphql/queries/get-flow.js

@@ -0,0 +1,19 @@
+import Flow from '../../models/flow';
+
+const getFlow = async (_parent, params, context) => {
+  const conditions = context.currentUser.can('read', 'Flow');
+  const userFlows = context.currentUser.$relatedQuery('flows');
+  const allFlows = Flow.query();
+  const baseQuery = conditions.isCreator ? userFlows : allFlows;
+
+  const flow = await baseQuery
+    .clone()
+    .withGraphJoined('[steps.[connection]]')
+    .orderBy('steps.position', 'asc')
+    .findOne({ 'flows.id': params.id })
+    .throwIfNotFound();
+
+  return flow;
+};
+
+export default getFlow;