Don't consume async when checking for async func decl (#377)

2017-03-01 11:11:48 -06:00
parent fdb0b50c86
commit c8c71684c4
7 changed files with 305 additions and 0 deletions
--- a/src/parser/statement.js
+++ b/src/parser/statement.js
@@ -825,6 +825,13 @@ pp.parseExport = function (node) {
    let needsSemi = false;
    if (this.eat(tt._function)) {
      expr = this.parseFunction(expr, true, false, false, true);
+    } else if (
+      this.isContextual("async") &&
+      this.lookahead().type === tt._function
+    ) { // async function declaration
+      this.eatContextual("async");
+      this.eat(tt._function);
+      expr = this.parseFunction(expr, true, false, true, true);
    } else if (this.match(tt._class)) {
      expr = this.parseClass(expr, true, true);
    } else {