From 5ae153490dc3983877496e9c1cf5022f53165d87 Mon Sep 17 00:00:00 2001
From: Devon Govett <devongovett@gmail.com>
Date: Sat, 1 Jul 2017 18:30:58 -0700
Subject: [PATCH] Fix word spacing

We were mutating a cached position object. Fixes #687.
---
 lib/mixins/text.coffee | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/mixins/text.coffee b/lib/mixins/text.coffee
index 1d4dfc5..e895194 100644
--- a/lib/mixins/text.coffee
+++ b/lib/mixins/text.coffee
@@ -252,7 +252,11 @@ module.exports =
         positions.push positionsWord...
 
         # add the word spacing to the end of the word
-        positions[positions.length - 1].xAdvance += wordSpacing
+        # clone object because of cache
+        space = {}
+        space[key] = val for key, val of positions[positions.length - 1]
+        space.xAdvance += wordSpacing
+        positions[positions.length - 1] = space
     else
       [encoded, positions] = @_font.encode(text, options.features)