fix(omit): type

fjc0k · Oct 24, 2018 · caa60f4 · caa60f4
1 parent 6ffd174
commit caa60f4
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/omit.ts b/src/omit.ts
@@ -1,5 +1,7 @@
 import forOwn from './forOwn'
 
+type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>
+
 /**
  * 创建一个从 obj 中剔除选中的属性的对象。
  *
@@ -10,8 +12,8 @@ import forOwn from './forOwn'
 export default function omit<
   T extends object,
   K extends keyof T
->(obj: T, props: K[]): Pick<T, K> {
-  const newObj: Pick<T, K> = {} as any
+>(obj: T, props: K[]): Omit<T, K> {
+  const newObj: Omit<T, K> = {} as any
   forOwn(obj, (value, key) => {
     if (props.indexOf(key as any) === -1) {
       (newObj as any)[key] = value