Make yield a contextual keyword (#9400)

2019-01-23 14:33:23 -08:00
parent 42c5d3fc4b
commit 46ba5940c2
38 changed files with 768 additions and 126 deletions
--- a/packages/babel-parser/src/tokenizer/index.js
+++ b/packages/babel-parser/src/tokenizer/index.js
@@ -1360,7 +1360,6 @@ export default class Tokenizer extends LocationParser {
    // `tt.name`.
    if (
      prevType === tt._return ||
-      prevType === tt._yield ||
      (prevType === tt.name && this.state.exprAllowed)
    ) {
      return lineBreak.test(