ui(admin): add "working" React admin ui

resources/scripts/components/admin/users/NewUserContainer.tsx

@@ -0,0 +1,49 @@
+import type { Actions } from 'easy-peasy';
+import { useStoreActions } from 'easy-peasy';
+import type { FormikHelpers } from 'formik';
+import { useNavigate } from 'react-router-dom';
+import tw from 'twin.macro';
+
+import type { UpdateUserValues } from '@/api/admin/users';
+import { createUser } from '@/api/admin/users';
+import AdminContentBlock from '@/components/admin/AdminContentBlock';
+import UserForm from '@/components/admin/users/UserForm';
+import FlashMessageRender from '@/components/FlashMessageRender';
+import type { ApplicationStore } from '@/state';
+
+export default () => {
+    const navigate = useNavigate();
+
+    const { clearFlashes, clearAndAddHttpError } = useStoreActions(
+        (actions: Actions<ApplicationStore>) => actions.flashes,
+    );
+
+    const submit = (values: UpdateUserValues, { setSubmitting }: FormikHelpers<UpdateUserValues>) => {
+        clearFlashes('user:create');
+
+        createUser(values)
+            .then(user => navigate(`/admin/users/${user.id}`))
+            .catch(error => {
+                console.error(error);
+                clearAndAddHttpError({ key: 'user:create', error });
+            })
+            .then(() => setSubmitting(false));
+    };
+
+    return (
+        <AdminContentBlock title={'New User'}>
+            <div css={tw`w-full flex flex-row items-center mb-8`}>
+                <div css={tw`flex flex-col flex-shrink`} style={{ minWidth: '0' }}>
+                    <h2 css={tw`text-2xl text-neutral-50 font-header font-medium`}>New User</h2>
+                    <p css={tw`text-base text-neutral-400 whitespace-nowrap overflow-ellipsis overflow-hidden`}>
+                        Add a new user to the panel.
+                    </p>
+                </div>
+            </div>
+
+            <FlashMessageRender byKey={'user:create'} css={tw`mb-4`} />
+
+            <UserForm title={'Create User'} onSubmit={submit} role={null} />
+        </AdminContentBlock>
+    );
+};