Fix TypeScript return type

Fixes #17
sindresorhus · Aug 16, 2022 · dea1a16 · dea1a16
1 parent b05b835
commit dea1a16
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/index.d.ts b/index.d.ts
@@ -30,7 +30,7 @@ console.log(await packageDirectory());
 //=> '/Users/sindresorhus/foo'
 ```
 */
-export function packageDirectory(options?: Options): Promise<string>;
+export function packageDirectory(options?: Options): Promise<string | undefined>;
 
 /**
 Synchronously find the root directory of a Node.js project or npm package.
@@ -55,4 +55,4 @@ console.log(packageDirectorySync());
 //=> '/Users/sindresorhus/foo'
 ```
 */
-export function packageDirectorySync(options?: Options): string;
+export function packageDirectorySync(options?: Options): string | undefined;
diff --git a/index.test-d.ts b/index.test-d.ts
@@ -1,5 +1,5 @@
 import {expectType} from 'tsd';
 import {packageDirectory, packageDirectorySync} from './index.js';
 
-expectType<Promise<string>>(packageDirectory({cwd: '/Users/project/pkg-dir'}));
-expectType<string>(packageDirectorySync({cwd: '/Users/project/pkg-dir'}));
+expectType<Promise<string | undefined>>(packageDirectory({cwd: '/Users/project/pkg-dir'}));
+expectType<string | undefined>(packageDirectorySync({cwd: '/Users/project/pkg-dir'}));