fix(ii): 优化类型推导

fjc0k · Sep 29, 2021 · 98d388d · 98d388d
1 parent 9bd36e0
commit 98d388d
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/src/utils/ii.test.ts b/src/utils/ii.test.ts
@@ -3,6 +3,7 @@ import { ii } from './ii'
 describe('ii', () => {
   test('表现正常', async () => {
     expect(ii(() => 1)).toBe(1)
-    expect(await ii(() => Promise.resolve(1))).toBe(1)
+    const n: number = await ii(() => Promise.resolve(1))
+    expect(n).toBe(1)
   })
 })
diff --git a/src/utils/ii.ts b/src/utils/ii.ts
@@ -1,5 +1,3 @@
-import { AnyFunction } from '../types'
-
 /**
  * 立即调用函数并返回其返回值。
  *
@@ -12,6 +10,6 @@ import { AnyFunction } from '../types'
  * ii(() => 1) // => 1
  * ```
  */
-export function ii<F extends AnyFunction>(fn: F): ReturnType<F> {
+export function ii<R, F extends () => R = () => R>(fn: F): R {
   return fn()
 }