types(Radio): use tsx (#8129)

src/radio-group/index.tsx

@@ -2,17 +2,25 @@ import { watch } from 'vue';
 import { createNamespace } from '../utils';
 import { useChildren } from '@vant/use';
 import { useLinkField } from '../composables/use-link-field';
+import { CheckerParent } from '../checkbox/Checker';
 
 const [createComponent, bem] = createNamespace('radio-group');
 
 export const RADIO_KEY = 'vanRadio';
 
+export type RadioGroupProvide = CheckerParent & {
+  props: {
+    modelValue: any;
+  };
+  updateModelValue: (value: unknown) => void;
+};
+
 export default createComponent({
   props: {
     disabled: Boolean,
     iconSize: [Number, String],
     direction: String,
-    modelValue: null,
+    modelValue: null as any,
     checkedColor: String,
   },
 
@@ -21,6 +29,10 @@ export default createComponent({
   setup(props, { emit, slots }) {
     const { linkChildren } = useChildren(RADIO_KEY);
 
+    const updateModelValue = (value: unknown) => {
+      emit('update:modelValue', value);
+    };
+
     watch(
       () => props.modelValue,
       (value) => {
@@ -28,7 +40,11 @@ export default createComponent({
       }
     );
 
-    linkChildren({ emit, props });
+    linkChildren({
+      props,
+      updateModelValue,
+    });
+
     useLinkField(() => props.modelValue);
 
     return () => (