From ec4efba989c0a997ab55152697cbefbad160f562 Mon Sep 17 00:00:00 2001
From: Erica Clark <clarkerican@gmail.com>
Date: Wed, 19 Jan 2022 10:45:05 -0800
Subject: [PATCH] chore: add support for readonly arrays (#189)

Co-authored-by: Shinigami <chrissi92@hotmail.de>
---
 src/helpers.ts | 2 +-
 src/random.ts  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/helpers.ts b/src/helpers.ts
index f8219b3544d..c3a849d6a18 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -17,7 +17,7 @@ export class Helpers {
    * @method faker.helpers.randomize
    * @param array
    */
-  randomize<T = string>(array: T[] = ['a', 'b', 'c'] as unknown as T[]): T {
+  randomize<T = string>(array: ReadonlyArray<T> = ['a', 'b', 'c'] as unknown as ReadonlyArray<T>): T {
     return this.faker.random.arrayElement(array);
   }
 
diff --git a/src/random.ts b/src/random.ts
index d460b4e36ca..8414134a84a 100644
--- a/src/random.ts
+++ b/src/random.ts
@@ -72,7 +72,7 @@ export class Random {
    * @method faker.random.arrayElement
    * @param array
    */
-  arrayElement<T = string>(array: T[] = ['a', 'b', 'c'] as unknown as T[]): T {
+  arrayElement<T = string>(array: ReadonlyArray<T> = ['a', 'b', 'c'] as unknown as ReadonlyArray<T>): T {
     const r = this.faker.datatype.number({ max: array.length - 1 });
     return array[r];
   }
@@ -85,7 +85,7 @@ export class Random {
    * @param count number of elements to pick
    */
   arrayElements<T>(
-    array: T[] = ['a', 'b', 'c'] as unknown as T[],
+    array: ReadonlyArray<T> = ['a', 'b', 'c'] as unknown as ReadonlyArray<T>,
     count?: number
   ): T[] {
     if (typeof count !== 'number') {