introduce functions (#3360)

`var f = function() {};` => `function f() {}`
2019-04-15 22:23:11 +08:00
parent a57b069409
commit 5172ba5f2a
7 changed files with 268 additions and 46 deletions
--- a/lib/output.js
+++ b/lib/output.js
@@ -123,7 +123,7 @@ function OutputStream(options) {
        });
    } : function(str) {
        var s = "";
-        for (var i = 0, len = str.length; i < len; i++) {
+        for (var i = 0; i < str.length; i++) {
            if (is_surrogate_pair_head(str[i]) && !is_surrogate_pair_tail(str[i + 1])
                || is_surrogate_pair_tail(str[i]) && !is_surrogate_pair_head(str[i - 1])) {
                s += "\\u" + str.charCodeAt(i).toString(16);