Fix SelectInput create optionText

packages/ra-ui-materialui/src/input/SelectInput.spec.tsx

@@ -585,6 +585,52 @@ describe('<SelectInput />', () => {
         });
     });
 
+    it('should support creation of a new choice with nested optionText', async () => {
+        const choices = [
+            { id: 'programming', name: { en: 'Programming' } },
+            { id: 'lifestyle', name: { en: 'Lifestyle' } },
+            { id: 'photography', name: { en: 'Photography' } },
+        ];
+        const newChoice = {
+            id: 'js_fatigue',
+            name: { en: 'New Kid On The Block' },
+        };
+
+        const { getByLabelText, getByRole, getByText, queryByText } = render(
+            <Form
+                validateOnBlur
+                onSubmit={jest.fn()}
+                render={() => (
+                    <SelectInput
+                        {...defaultProps}
+                        choices={choices}
+                        onCreate={() => {
+                            choices.push(newChoice);
+                            return newChoice;
+                        }}
+                        optionText="name.en"
+                    />
+                )}
+            />
+        );
+
+        const input = getByLabelText(
+            'resources.posts.fields.language'
+        ) as HTMLInputElement;
+        input.focus();
+        const select = getByRole('button');
+        fireEvent.mouseDown(select);
+
+        fireEvent.click(getByText('ra.action.create'));
+        await new Promise(resolve => setTimeout(resolve));
+        input.blur();
+
+        expect(
+            // The selector ensure we don't get the options from the menu but the select value
+            queryByText(newChoice.name.en, { selector: '[role=button]' })
+        ).not.toBeNull();
+    });
+
     it('should support creation of a new choice through the create element', async () => {
         const choices = [...defaultProps.choices];
         const newChoice = { id: 'js_fatigue', name: 'New Kid On The Block' };

packages/ra-ui-materialui/src/input/SelectInput.tsx

@@ -1,7 +1,6 @@
 import * as React from 'react';
 import { useCallback } from 'react';
 import PropTypes from 'prop-types';
-import get from 'lodash/get';
 import MenuItem from '@material-ui/core/MenuItem';
 import { TextFieldProps } from '@material-ui/core/TextField';
 import { makeStyles } from '@material-ui/core/styles';
@@ -144,9 +143,10 @@ export const SelectInput = (props: SelectInputProps) => {
         `If you're not wrapping the SelectInput inside a ReferenceInput, you must provide the choices prop`
     );
 
-    const { getChoiceText, getChoiceValue } = useChoices({
+    const { getChoiceText, getChoiceValue, getDisableValue } = useChoices({
         optionText,
         optionValue,
+        disableValue,
         translateChoice,
     });
 
@@ -201,6 +201,30 @@ export const SelectInput = (props: SelectInputProps) => {
         onCreate,
         optionText,
     });
+
+    const createItem = create || onCreate ? getCreateItem() : null;
+    const finalChoices =
+        create || onCreate ? [...choices, createItem] : choices;
+
+    const renderMenuItem = useCallback(
+        choice => {
+            return choice ? (
+                <MenuItem
+                    key={getChoiceValue(choice)}
+                    value={getChoiceValue(choice)}
+                    disabled={getDisableValue(choice)}
+                >
+                    {renderMenuItemOption(
+                        !!createItem && choice?.id === createItem.id
+                            ? createItem
+                            : choice
+                    )}
+                </MenuItem>
+            ) : null;
+        },
+        [getChoiceValue, getDisableValue, renderMenuItemOption, createItem]
+    );
+
     if (loading) {
         return (
             <Labeled
@@ -219,18 +243,6 @@ export const SelectInput = (props: SelectInputProps) => {
         );
     }
 
-    const renderCreateItem = () => {
-        if (onCreate || create) {
-            const createItem = getCreateItem();
-            return (
-                <MenuItem value={createItem.id} key={createItem.id}>
-                    {createItem.name}
-                </MenuItem>
-            );
-        }
-        return null;
-    };
-
     return (
         <>
             <ResettableTextField
@@ -273,16 +285,7 @@ export const SelectInput = (props: SelectInputProps) => {
                         {renderEmptyItemOption()}
                     </MenuItem>
                 ) : null}
-                {choices.map(choice => (
-                    <MenuItem
-                        key={getChoiceValue(choice)}
-                        value={getChoiceValue(choice)}
-                        disabled={get(choice, disableValue)}
-                    >
-                        {renderMenuItemOption(choice)}
-                    </MenuItem>
-                ))}
-                {renderCreateItem()}
+                {finalChoices.map(renderMenuItem)}
             </ResettableTextField>
             {createElement}
         </>