From 62d4f84e698abcfddc33d65d62f5a640472f7bf4 Mon Sep 17 00:00:00 2001
From: alex <alex@slab.org>
Date: Thu, 18 Jun 2026 10:55:34 +0100
Subject: [PATCH] add growlist

---
 packages/core/pattern.mjs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/core/pattern.mjs b/packages/core/pattern.mjs
index bf9d8ce0b..76568fd2f 100644
--- a/packages/core/pattern.mjs
+++ b/packages/core/pattern.mjs
@@ -2028,9 +2028,9 @@ export const { fastGap, fastgap } = register(['fastGap', 'fastgap'], function (f
     const newWhole = !hap.whole
       ? undefined
       : new TimeSpan(
-          newPart.begin.sub(begin.sub(hap.whole.begin).div(factor)),
-          newPart.end.add(hap.whole.end.sub(end).div(factor)),
-        );
+        newPart.begin.sub(begin.sub(hap.whole.begin).div(factor)),
+        newPart.end.add(hap.whole.end.sub(end).div(factor)),
+      );
     return new Hap(newWhole, newPart, hap.value, hap.context);
   };
   return pat.withQuerySpanMaybe(qf).withHap(ef).splitQueries();
@@ -3359,6 +3359,11 @@ Pattern.prototype.shrinklist = function (amount) {
 
 export const shrinklist = (amount, pat) => pat.shrinklist(amount);
 
+Pattern.prototype.growlist = function (amount) {
+  return this.shrinklist(amount).reverse();
+}
+export const growlist = (amount, pat) => pat.growlist(amount);
+
 /**
  * *Experimental*
  *