Refactor await/yield production parameter tracking (#10956)

* test: add test fixtures * refactor: track AWAIT and YIELD in separate handler * fix flow errors * add flow type annotation to production-parameter * address review comments * refactor: track [Return] parameter
2020-02-09 23:31:29 +09:00
parent 8ab27c8ffe
commit 38529699d6
16 changed files with 650 additions and 73 deletions
--- a/packages/babel-parser/src/tokenizer/context.js
+++ b/packages/babel-parser/src/tokenizer/context.js
@@ -60,7 +60,7 @@ tt.name.updateContext = function(prevType) {
  if (prevType !== tt.dot) {
    if (
      (this.state.value === "of" && !this.state.exprAllowed) ||
-      (this.state.value === "yield" && this.scope.inGenerator)
+      (this.state.value === "yield" && this.prodParam.hasYield)
    ) {
      allowed = true;
    }