From 7040f0f644eb66fb6b240d7026b2904810a14a20 Mon Sep 17 00:00:00 2001
From: bluelovers <codelovers@users.sourceforge.net>
Date: Fri, 27 Jan 2023 14:32:01 +0800
Subject: [PATCH] feat: support rand by base color

---
 src/random.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/random.ts b/src/random.ts
index 9620a78..6e0b0c4 100644
--- a/src/random.ts
+++ b/src/random.ts
@@ -1,9 +1,11 @@
 import { Colord } from "./colord";
 
-export const random = (): Colord => {
+export const random = (old?: Colord): Colord => {
+  const { r, g, b , a } = old?.toRgb() ?? { r: 255, g: 255, b: 255 , a: 1 };
   return new Colord({
-    r: Math.random() * 255,
-    g: Math.random() * 255,
-    b: Math.random() * 255,
+    r: r * 255,
+    g: g * 255,
+    b: b * 255,
+    a,
   });
 };