fix global mutate generic (#1159)

fix #1155
vercel · May 9, 2021 · a3709b3 · a3709b3
1 parent 504306b
commit a3709b3
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Showing 2 changed files with 16 additions and 7 deletions.
diff --git a/src/types.ts b/src/types.ts
@@ -90,11 +90,20 @@ export type Mutator<Data = any> = (
   shouldRevalidate?: boolean
 ) => Promise<Data | undefined>
 
-export type ScopedMutator<Data> = (
-  key: Key,
-  data?: Data | Promise<Data> | MutatorCallback<Data>,
-  shouldRevalidate?: boolean
-) => Promise<Data | undefined>
+export interface ScopedMutator<Data = any> {
+  /** This is used for bound mutator */
+  (
+    key: Key,
+    data?: Data | Promise<Data> | MutatorCallback<Data>,
+    shouldRevalidate?: boolean
+  ): Promise<Data | undefined>
+  /** This is used for global mutator */
+  <T = any>(
+    key: Key,
+    data?: T | Promise<T> | MutatorCallback<T>,
+    shouldRevalidate?: boolean
+  ): Promise<T | undefined>
+}
 
 export type KeyedMutator<Data> = (
   data?: Data | Promise<Data> | MutatorCallback<Data>,

diff --git a/src/use-swr.ts b/src/use-swr.ts
@@ -700,7 +700,8 @@ Object.defineProperty(SWRConfig, 'default', {
 export const mutate = internalMutate.bind(
   null,
   defaultConfig.cache
-) as ScopedMutator<any>
+) as ScopedMutator
+
 export function createCache<Data>(
   provider: Cache
 ): {
@@ -713,5 +714,4 @@ export function createCache<Data>(
     mutate: internalMutate.bind(null, cache) as ScopedMutator<Data>
   }
 }
-
 export default useSWR