fix #41375

Author: sai6855

packages/mui-material/src/Select/Select.d.ts

@@ -187,43 +187,6 @@ export type SelectProps<
       ? StandardSelectProps
       : OutlinedSelectProps);
 
-interface SelectType {
-  <Value, Variant extends 'filled' | 'standard'>(
-    props: {
-      /**
-       * The variant to use.
-       * @default 'outlined'
-       */
-      variant: Variant;
-    } & Omit<SelectProps<Value, Variant>, 'variant'>,
-  ): JSX.Element & {
-    muiName: string;
-  };
-  <Value = unknown, Variant extends 'outlined' = 'outlined'>(
-    props: {
-      /**
-       * The variant to use.
-       * @default 'outlined'
-       */
-      variant?: Variant;
-    } & Omit<SelectProps<Value, Variant>, 'variant'>,
-  ): JSX.Element & {
-    muiName: string;
-  };
-}
-/**
- *
- * Demos:
- *
- * - [Select](https://mui.com/material-ui/react-select/)
- *
- * API:
- *
- * - [Select API](https://mui.com/material-ui/api/select/)
- * - inherits [OutlinedInput API](https://mui.com/material-ui/api/outlined-input/)
- */
-declare const Select: SelectType;
-
 /**
  *
  * Demos:
@@ -235,5 +198,14 @@ declare const Select: SelectType;
  * - [Select API](https://mui.com/material-ui/api/select/)
  * - inherits [OutlinedInput API](https://mui.com/material-ui/api/outlined-input/)
  */
-
-export default Select;
+export default function Select<Value = unknown, Variant extends SelectVariants = 'outlined'>(
+  props: {
+    /**
+     * The variant to use.
+     * @default 'outlined'
+     */
+    variant?: Variant;
+  } & SelectProps<Value, Variant>,
+): JSX.Element & {
+  muiName: string;
+};

packages/mui-material/src/Select/Select.spec.tsx

@@ -141,3 +141,57 @@ function genericValueTest() {
   // @ts-expect-error hiddenLabel is not present in standard variant
   <Select {...standardProps} hiddenLabel />;
 }
+
+type Options<T> = { text: string; value: T } | T;
+
+type Props<T> = (
+  | {
+      value: T;
+      multiple?: false;
+      onChange: (value: T) => void;
+    }
+  | {
+      value: T[];
+      multiple: true;
+      onChange: (value: T[]) => void;
+    }
+) & {
+  options: Options<T>[];
+};
+
+// test for https://github.com/mui/material-ui/issues/41375
+const AppSelect = <T extends string>(props: Props<T>) => {
+  const getOptionText = (option: Options<T>) => {
+    if (typeof option === 'object') {
+      return option.text;
+    }
+    return option;
+  };
+
+  const getOptionValue = (option: Options<T>) => {
+    if (typeof option === 'object') {
+      return option.value;
+    }
+    return option;
+  };
+
+  return (
+    <Select
+      value={props.value}
+      multiple={props.multiple}
+      onChange={(event) => {
+        if (props.multiple) {
+          props.onChange(event.target.value as T[]);
+        } else {
+          props.onChange(event.target.value as T);
+        }
+      }}
+    >
+      {props.options.map((option, index) => (
+        <MenuItem key={index} value={getOptionValue(option)}>
+          {getOptionText(option)}
+        </MenuItem>
+      ))}
+    </Select>
+  );
+};