feat(namespace): migrate create ns to react [EE-2226] (#10377)

app/react/kubernetes/namespaces/CreateView/CreateNamespaceForm.validation.tsx

@@ -0,0 +1,27 @@
+import { string, object, array, SchemaOf } from 'yup';
+
+import { registriesValidationSchema } from '../components/RegistriesFormSection/registriesValidationSchema';
+import { getResourceQuotaValidationSchema } from '../components/ResourceQuotaFormSection/getResourceQuotaValidationSchema';
+
+import { CreateNamespaceFormValues } from './types';
+
+export function getNamespaceValidationSchema(
+  memoryLimit: number,
+  namespaceNames: string[]
+): SchemaOf<CreateNamespaceFormValues> {
+  return object({
+    name: string()
+      .matches(
+        /^[a-z0-9](?:[-a-z0-9]{0,251}[a-z0-9])?$/,
+        "This field must consist of lower case alphanumeric characters or '-', and contain at most 63 characters, and must start and end with an alphanumeric character."
+      )
+      .max(63, 'Name must be at most 63 characters.')
+      // must not have the same name as an existing namespace
+      .notOneOf(namespaceNames, 'Name must be unique.')
+      .required('Name is required.'),
+    resourceQuota: getResourceQuotaValidationSchema(memoryLimit),
+    // ingress classes table is constrained already, and doesn't need validation
+    ingressClasses: array(),
+    registries: registriesValidationSchema,
+  });
+}