fix: type is unknown (#609)

* fix: type is unknown

* feat: test

Author: crazyair

src/namePathType.ts

@@ -19,6 +19,8 @@ export type DeepNamePath<
   ? // Connect path. e.g. { a: { b: string }[] }
     // Get: [a] | [ a,number] | [ a ,number , b]
     [...ParentNamePath, number] | DeepNamePath<Store[number], [...ParentNamePath, number]>
+  : keyof Store extends never // unknown
+  ? Store
   : {
       // Convert `Store` to <key, value>. We mark key a `FieldKey`
       [FieldKey in keyof Store]: Store[FieldKey] extends Function

tests/nameTypeCheck.test.tsx

@@ -89,6 +89,8 @@ describe('nameTypeCheck', () => {
     type t1 = NamePath<{ a: { b: string; func: Moment } }>;
     // Function
     type t2 = NamePath<{ a: { b: string; func: () => { c: string } } }>;
+    // known
+    const t3: NamePath<unknown> = 'a';
 
     interface Moment {
       func2: Function;