fix: disallow expression after binding identifier of (#11355)

2020-04-21 15:12:23 -04:00
parent d18d465cf3
commit fba64d439d
11 changed files with 174 additions and 1 deletions
--- a/packages/babel-parser/src/tokenizer/context.js
+++ b/packages/babel-parser/src/tokenizer/context.js
@@ -59,7 +59,10 @@ tt.name.updateContext = function(prevType) {
  let allowed = false;
  if (prevType !== tt.dot) {
    if (
-      (this.state.value === "of" && !this.state.exprAllowed) ||
+      (this.state.value === "of" &&
+        !this.state.exprAllowed &&
+        prevType !== tt._function &&
+        prevType !== tt._class) ||
      (this.state.value === "yield" && this.prodParam.hasYield)
    ) {
      allowed = true;