fix pure_getters on AST_Binary (#2681)

fixes #2678
2017-12-28 17:01:01 +08:00
parent e40a0ee9c6
commit b95e3338d9
2 changed files with 34 additions and 9 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1693,15 +1693,8 @@ merge(Compressor.prototype, {
            return this.operator == "void";
        });
        def(AST_Binary, function(compressor) {
-            switch (this.operator) {
-              case "&&":
-                return this.left._dot_throw(compressor);
-              case "||":
-                return this.left._dot_throw(compressor)
-                    && this.right._dot_throw(compressor);
-              default:
-                return false;
-            }
+            return (this.operator == "&&" || this.operator == "||")
+                && (this.left._dot_throw(compressor) || this.right._dot_throw(compressor));
        })
        def(AST_Assign, function(compressor) {
            return this.operator == "="