From 77b4d1f6832952a3802e00396ba3ce4b996667d7 Mon Sep 17 00:00:00 2001
From: Rasmus Andersson <rasmus@notion.se>
Date: Wed, 1 Jun 2022 08:58:42 -0700
Subject: [PATCH] website: fix issue in lab where letterSpacing=0 would be
 interpreted as "auto"

---
 docs/lab/index.html | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/docs/lab/index.html b/docs/lab/index.html
index 855c63c7a..b45fe483a 100644
--- a/docs/lab/index.html
+++ b/docs/lab/index.html
@@ -1057,15 +1057,14 @@ function main() {
   }
 
   let letterSpacingVar = vars.bind('letterSpacing', (el, v) => {
-    resetLetterSpacingButton.classList.toggle("disabled", !v)
-    if (v) {
+    resetLetterSpacingButton.classList.toggle("disabled", v === '')
+    if (v !== '') {
       resetLetterSpacingButton.tabIndex = null
     } else {
       resetLetterSpacingButton.tabIndex = -1
     }
-    if (!v) {
+    if (v === '')
       v = calcImplicitLetterSpacing(sizeVar.getValue(), el)
-    }
     setCSSProp('letter-spacing', (v / 100) + 'em')
   }, (el, prevValue, ev) => {
     if (ev && !ev.inputType && !prevValue) {