From: Joao Carlos <mail@joao-carlos.com>
Date: Tue, 9 Jun 2015 11:31:49 +0000 (+0300)
Subject: Show descriptive error when --mangle-regex is invalid
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=9aef34a8168f5de3bc00330a740c22de70314a70;p=UglifyJS.git

Show descriptive error when --mangle-regex is invalid
---

diff --git a/bin/uglifyjs b/bin/uglifyjs
index 71c82644..9a1323fd 100755
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -376,7 +376,15 @@ async.eachLimit(files, 1, function (file, cb) {
     if (ARGS.mangle_props || ARGS.name_cache) (function(){
         var reserved = RESERVED ? RESERVED.props : null;
         var cache = readNameCache("props");
-        var regex = ARGS.mangle_regex ? new RegExp(ARGS.mangle_regex) : null;
+        var regex;
+
+        try {
+          regex = ARGS.mangle_regex ? new RegExp(ARGS.mangle_regex) : null;
+        } catch (e) {
+            print_error("ERROR: Invalid --mangle-regex: " + e.message);
+            process.exit(1);
+        }
+
         TOPLEVEL = UglifyJS.mangle_properties(TOPLEVEL, {
             reserved   : reserved,
             cache      : cache,