From bba47418fe79b4023cb5e435bcbe2bd6e0ea4018 Mon Sep 17 00:00:00 2001
From: Piotr Kuczynski <piotr.kuczynski@gmail.com>
Date: Fri, 28 Jan 2022 11:09:38 +0100
Subject: chore: add missing type on the system.commonFileName method (#299)

---
 src/system.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/system.ts b/src/system.ts
index 23e65d5e..564069f3 100644
--- a/src/system.ts
+++ b/src/system.ts
@@ -57,13 +57,12 @@ export class System {
   /**
    * Returns a random file name with a given extension or a commonly used extension.
    *
-   * @param ext Extension
-
+   * @param ext Extension. Empty string is considered to be not set.
    * @example
    * faker.system.commonFileName() // 'dollar.jpg'
    * faker.system.commonFileName('txt') // 'global_borders_wyoming.txt'
    */
-  commonFileName(ext): string {
+  commonFileName(ext?: string): string {
     let str = this.faker.random.words();
     str = str.toLowerCase().replace(/\W/g, '_');
     str += '.' + (ext || this.faker.system.commonFileExt());
-- 
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