From d5a9019220c90982d44a7c9e24d7174f53542495 Mon Sep 17 00:00:00 2001
From: tyow <cute.oil5122@fastmail.com>
Date: Sat, 7 Feb 2026 21:17:49 -0500
Subject: [PATCH 1/2] shuffleFix

---
 packages/core/signal.mjs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/core/signal.mjs b/packages/core/signal.mjs
index 2f9fe4b18..66d28cc78 100644
--- a/packages/core/signal.mjs
+++ b/packages/core/signal.mjs
@@ -389,7 +389,9 @@ export const randL = (n) => {
 export const randrun = (n) => {
   return signal((t, controls) => {
     // Without adding 0.5, the first cycle is always 0,1,2,3,...
-    const rands = getRandsAtTime(t.floor().add(0.5), n, controls.randSeed);
+    let rands = getRandsAtTime(t.floor().add(0.5), n, controls.randSeed);
+    // Support n = 1
+    if (!Array.isArray(rands)) rands = [rands];
     const nums = rands
       .map((n, i) => [n, i])
       .sort((a, b) => (a[0] > b[0]) - (a[0] < b[0]))

From 8a72f212575f0d34dffc8beeafdc02365ed6dfc5 Mon Sep 17 00:00:00 2001
From: tyow <cute.oil5122@fastmail.com>
Date: Sun, 8 Feb 2026 12:45:47 -0500
Subject: [PATCH 2/2] add test

---
 packages/core/test/signal.test.mjs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/core/test/signal.test.mjs b/packages/core/test/signal.test.mjs
index b02f8a08b..26c1d656a 100644
--- a/packages/core/test/signal.test.mjs
+++ b/packages/core/test/signal.test.mjs
@@ -9,7 +9,7 @@ import Fraction from 'fraction.js';
 import { describe, it, expect, vi } from 'vitest';
 
 import { saw, saw2, isaw, isaw2, per, perx, cyclesPer } from '../signal.mjs';
-import { fastcat, sequence, State, TimeSpan, Hap } from '../index.mjs';
+import { fastcat, sequence, State, TimeSpan, Hap, note } from '../index.mjs';
 
 const st = (begin, end) => new State(ts(begin, end));
 const ts = (begin, end) => new TimeSpan(Fraction(begin), Fraction(end));
@@ -59,3 +59,9 @@ describe('perx', () => {
     );
   });
 });
+
+describe('shuffle', () => {
+  it('returns original pattern if input is 1', () => {
+    expect(note('c d e f').sound('piano').shuffle(1).firstCycle()).toEqual(note('c d e f').sound('piano').firstCycle());
+  });
+});