From 2b5c819b096a840c0169812ed63c61b3d63f37b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Rivi=C3=A8re?= <fil@rezo.net>
Date: Fri, 14 May 2021 22:05:59 +0200
Subject: [PATCH] fix #357; ignore null transform

---
 src/plot.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plot.js b/src/plot.js
index 8350bb4347..06bda82abf 100644
--- a/src/plot.js
+++ b/src/plot.js
@@ -35,7 +35,7 @@ export function plot(options = {}) {
       if (scale !== undefined) {
         const scaled = scaleChannels.get(scale);
         const {percent, transform = percent ? x => x * 100 : undefined} = options[scale] || {};
-        if (transform !== undefined) channel.value = Array.from(channel.value, transform);
+        if (transform != null) channel.value = Array.from(channel.value, transform);
         if (scaled) scaled.push(channel);
         else scaleChannels.set(scale, [channel]);
       }