From 9e33f268fdefd6ae6d307c53ad05d98e678edd51 Mon Sep 17 00:00:00 2001
From: jameswilddev <jameswilddev@outlook.com>
Date: Sun, 21 Jul 2019 08:45:21 +0100
Subject: [PATCH] Added missing configuration (#3436).

---
 lib/minify.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/minify.js b/lib/minify.js
index 9eebc373..a99c58b9 100644
--- a/lib/minify.js
+++ b/lib/minify.js
@@ -87,6 +87,8 @@ function minify(files, options) {
                 properties: false,
                 reserved: [],
                 toplevel: false,
+                leading_character_set : "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_",
+                trailing_character_set: "0123456789",
             }, true);
             if (options.mangle.properties) {
                 if (typeof options.mangle.properties != "object") {