diff options
-rw-r--r-- | lib/compress.js | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/compress.js b/lib/compress.js index 0f3a795c..982b2b19 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -1566,6 +1566,9 @@ merge(Compressor.prototype, { } break; case "String": + if (self.args.length == 0) return make_node(AST_String, self, { + value: "" + }); return make_node(AST_Binary, self, { left: self.args[0], operator: "+", |