From f73eb6a5a74aeca0ec4a574896d9c01f6a2c8bc4 Mon Sep 17 00:00:00 2001
From: Alhadis <gardnerjohng@gmail.com>
Date: Fri, 15 Mar 2019 00:27:59 +1100
Subject: [PATCH] Instruct Rollup to use constants when exporting

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index e03846e..504f8de 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ umd: lib/index.js
 $(ENTRY).js: lib/*/*.mjs lib/*/*/*.mjs
 	npx rollup \
 		--format umd \
+		--preferConst \
 		--sourcemap $@.map \
 		--name $(UMD_NAME) \
 		--input $(ENTRY).mjs \