feat(object): add TS support

Thanks @maximelkin for mentoring!
bigslycat · Mar 3, 2019 · 1e395ff · 1e395ff
1 parent 3e54073
commit 1e395ff
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/index.d.ts b/src/index.d.ts
@@ -135,3 +135,15 @@ export declare var passObjectOf: typeof objectOf;
 export declare var objOf: typeof objectOf;
 export declare var isObjOf: typeof objectOf;
 export declare var passObjOf: typeof objectOf;
+
+type ExtractReturnTypeObject = <T>(
+  fn: (valueName: string, value: unknown) => ValidationError | T
+) => T;
+
+export declare function object<
+  S extends {
+    [prop: string]: (valueName: string, value: unknown) => any,
+  },
+>(spec: S): Contract<{
+  readonly [K in keyof S]: Exclude<ReturnType<S[K]>, ValidationError>
+}>;