[doc] fix the types for async functions

DefinitelyTyped/DefinitelyTyped#51948
bruce · Mar 24, 2021 · b6643a0 · b6643a0
1 parent ac3f606
commit b6643a0
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -270,17 +270,20 @@ interface AffixOptions {
 
 function track(value?: boolean): typeof temp;
 
-function mkdir(affixes?: string | AffixOptions, callback?: (err: any, dirPath: string) => void): Promise<void>;
+function mkdir(affixes: string | AffixOptions | undefined, callback: (err: any, dirPath: string) => void): void;
+function mkdir(affixes?: string | AffixOptions): Promise<string>;
 
 function mkdirSync(affixes?: string | AffixOptions): string;
 
-function open(affixes?: string | AffixOptions, callback?: (err: any, result: OpenFile) => void): Promise<void>;
+function open(affixes: string | AffixOptions | undefined, callback: (err: any, result: OpenFile) => void): void;
+function open(affixes?: string | AffixOptions): Promise<OpenFile>;
 
 function openSync(affixes?: string | AffixOptions): OpenFile;
 
 function path(affixes?: string | AffixOptions, defaultPrefix?: string): string;
 
-function cleanup(callback?: (err: any, result: Stats) => void): Promise<void>;
+function cleanup(callback: (err: any, result: Stats) => void): void;
+function cleanup(): Promise<Stats>;
 
 function cleanupSync(): boolean | Stats;