add helper function to generate random digits

Author: piotrkulpinski

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@curiousleaf/utils",
   "description": "A lightweight set of utilities",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "license": "MIT",
   "type": "module",
   "author": {

src/random/random.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "bun:test"
 
 import {
   getRandomColor,
+  getRandomDigits,
   getRandomElement,
   getRandomNumber,
   getRandomProperty,
@@ -64,6 +65,36 @@ describe("getRandomNumber", () => {
   })
 })
 
+describe("getRandomDigits", () => {
+  it("returns a string", () => {
+    const result = getRandomDigits(5)
+    expect(typeof result).toBe("string")
+  })
+
+  it("returns a string with specified length", () => {
+    const result = getRandomDigits(10)
+    expect(result.length).toBe(10)
+  })
+
+  it("returns different strings on each call", () => {
+    const result1 = getRandomDigits(5)
+    const result2 = getRandomDigits(5)
+    expect(result1).not.toBe(result2)
+  })
+
+  it("contains only digits", () => {
+    const result = getRandomDigits(10)
+    expect(result).toMatch(/^[0-9]+$/)
+  })
+
+  it("handles different lengths", () => {
+    const short = getRandomDigits(1)
+    const long = getRandomDigits(20)
+    expect(short.length).toBe(1)
+    expect(long.length).toBe(20)
+  })
+})
+
 describe("getRandomElement", () => {
   it("returns a value from the array", () => {
     const array = [1, 2, 3]

src/random/random.ts

@@ -33,6 +33,15 @@ export const getRandomNumber = (min: number, max: number) => {
   return Math.floor(Math.random() * (max - min + 1)) + min
 }
 
+/**
+ * Generate a random string of digits
+ * @param length Length of the digits string
+ * @returns Random digits string
+ */
+export const getRandomDigits = (length: number) => {
+  return Array.from({ length }, () => Math.floor(Math.random() * 10)).join("")
+}
+
 /**
  * Returns a random element from an array.
  *