check valid function/class token when parsing export default before converting to a declaration - fixes #2145

2015-08-02 21:36:52 +01:00
parent a0f9d5fbc8
commit 94e345e0b2
7 changed files with 207 additions and 1 deletions
--- a/src/parser/statement.js
+++ b/src/parser/statement.js
@@ -648,9 +648,10 @@ pp.parseExport = function (node) {
    }
    this.parseExportFrom(node, true);
  } else if (this.eat(tt._default)) { // export default ...
+    let possibleDeclaration = this.match(tt._function) || this.match(tt._class);
    let expr = this.parseMaybeAssign();
    let needsSemi = true;
-    if (expr.type === "FunctionExpression" || expr.type === "ClassExpression") {
+    if (possibleDeclaration) {
      needsSemi = false;
      if (expr.id) {
        expr.type = expr.type === "FunctionExpression" ? "FunctionDeclaration" : "ClassDeclaration";