style: improve typings (#12)

#11
i18next · Apr 10, 2024 · c35ed89 · c35ed89
1 parent 616e186
commit c35ed89
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/index.d.ts b/index.d.ts
@@ -1,7 +1,7 @@
 import { BackendModule, Resource, ReadCallback, ResourceKey } from 'i18next'
 
-type ImportFn = ((language: string, namespace: string, callback: ReadCallback) => void) | ((language: string, namespace: string) => Promise<ResourceKey | boolean | null | undefined>)
+type ImportFn<L, N> = ((language: L, namespace: N, callback: ReadCallback) => void) | ((language: L, namespace: N) => Promise<ResourceKey | boolean | null | undefined>)
 
-declare function resourcesToBackend(res: Resource | ImportFn): BackendModule
+declare function resourcesToBackend<L = string, N = string>(res: Resource | ImportFn<L, N>): BackendModule
 
 export default resourcesToBackend