From b69cde2b933c73a82ad9627242839544886e3660 Mon Sep 17 00:00:00 2001
From: Siriwat Uamngamsup <lazym0m3nt@gmail.com>
Date: Mon, 25 Nov 2019 22:04:02 +0700
Subject: [PATCH] allow ChartJS custom default font

---
 lib/charts.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/charts.js b/lib/charts.js
index a696670..0ab7147 100644
--- a/lib/charts.js
+++ b/lib/charts.js
@@ -273,7 +273,11 @@ function renderChart(width, height, backgroundColor, devicePixelRatio, untrusted
     },
   });
 
-  const canvasRenderService = new CanvasRenderService(width, height);
+  const canvasRenderService = new CanvasRenderService(width, height, ChartJS => {
+    if (process.env.CHART_FONT_FAMILY) {
+      ChartJS.defaults.global.defaultFontFamily = `${process.env.CHART_FONT_FAMILY}`;
+    }
+  });
 
   try {
     return canvasRenderService.renderToBuffer(chart);