fix corner case with spread syntax (#5572)

2022-07-22 20:07:04 +01:00
parent d67daa8314
commit 56e9454f1f
3 changed files with 80 additions and 44 deletions
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -552,16 +552,8 @@ function tokenizer($TEXT, filename, html5_comments, shebang) {

    function handle_dot() {
        next();
-        var ch = peek();
-        if (ch == ".") {
-            var op = ".";
-            do {
-                op += ".";
-                next();
-            } while (peek() == ".");
-            return token("operator", op);
-        }
-        return is_digit(ch.charCodeAt(0)) ? read_num(".") : token("punc", ".");
+        if (looking_at("..")) return token("operator", "." + next() + next());
+        return is_digit(peek().charCodeAt(0)) ? read_num(".") : token("punc", ".");
    }

    function read_word() {