From 52113ef4d1976c353bda1a0e5f187d8ba93468c7 Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <qznebula@protonmail.com>
Date: Sat, 24 Feb 2024 12:46:49 -0400
Subject: data: withSortedList: double-refactor stabletoUnstable magic

It's still still magic though.
---
 src/data/composite/data/withSortedList.js | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

(limited to 'src/data')

diff --git a/src/data/composite/data/withSortedList.js b/src/data/composite/data/withSortedList.js
index 51309e19..9ee0766b 100644
--- a/src/data/composite/data/withSortedList.js
+++ b/src/data/composite/data/withSortedList.js
@@ -107,20 +107,14 @@ export default templateCompositeFrom({
         };
 
         const stableToUnstable =
-          symbols
-            .map(
-              (current, index) =>
-                (index === 0
-                  ? false
-                  : isEqual(current, symbols[index - 1])))
-            .reduce(
-              (accumulator, equalsPrevious, index) =>
-                (index === 0
-                  ? accumulator
-                  : (equalsPrevious
-                      ? push(accumulator, accumulator.at(-1))
-                      : push(accumulator, accumulator.at(-1) + 1))),
-              [0]);
+          symbols.reduce(
+            (accumulator, current, index) =>
+              (index === 0
+                ? push(accumulator, 0)
+                : (isEqual(current, symbols[index - 1])
+                    ? push(accumulator, accumulator.at(-1))
+                    : push(accumulator, accumulator.at(-1) + 1))),
+            []);
 
         const unstableSortIndices =
           originalIndices
-- 
cgit 1.3.0-6-gf8a5