refactor: useForm => useResetReactive（同步 GiDemo 更新）

src/hooks/index.ts

@@ -7,3 +7,4 @@ export * from './modules/useForm'
 export * from './modules/useDevice'
 export * from './modules/useBreakpoint'
 export * from './modules/useDownload'
+export * from './modules/useResetReactive'

src/hooks/modules/useResetReactive.ts

@@ -0,0 +1,15 @@
+import { reactive } from 'vue'
+import { cloneDeep } from 'lodash-es'
+
+export function useResetReactive<T extends object>(value: T) {
+  const getInitValue = () => cloneDeep(value)
+
+  const state = reactive(getInitValue())
+
+  const reset = () => {
+    Object.keys(state).forEach((key) => delete state[key])
+    Object.assign(state, getInitValue())
+  }
+
+  return [state, reset] as const
+}