speed up has_parens()

2018-03-21 18:59:29 +08:00 · 2018-03-21 18:59:29 +08:00 · d0ae61379f
commit d0ae61379f
parent 73d77f4f64
1 changed files with 1 additions and 1 deletions
--- a/lib/output.js
+++ b/lib/output.js
@ -576,7 +576,7 @@ function OutputStream(options) {
        indentation     : function() { return indentation },
        current_width   : function() { return current_col - indentation },
        should_break    : function() { return options.width && this.current_width() >= options.width },
-        has_parens      : function() { return OUTPUT.slice(-1) == "(" },
+        has_parens      : function() { return OUTPUT[OUTPUT.length - 1] == "(" },
        newline         : newline,
        print           : print,
        space           : space,