perf: lookahead only when functionSent is enabled

babel · Aug 29, 2019 · 34bd654 · 34bd654
1 parent ee6d6e4
commit 34bd654
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/packages/babel-parser/src/parser/statement.js b/packages/babel-parser/src/parser/statement.js
@@ -167,7 +167,12 @@ export default class StatementParser extends ExpressionParser {
       case tt._for:
         return this.parseForStatement(node);
       case tt._function:
-        if (this.lookaheadCharCode() === charCodes.dot) break;
+        if (
+          this.hasPlugin("functionSent") &&
+          this.lookaheadCharCode() === charCodes.dot
+        ) {
+          break;
+        }
         if (context) {
           if (this.state.strict) {
             this.raise(