Make let a contextual keyword

2019-01-21 19:46:40 -08:00
parent 65febdd13a
commit 178f2d7949
24 changed files with 636 additions and 42 deletions
--- a/packages/babel-parser/src/tokenizer/index.js
+++ b/packages/babel-parser/src/tokenizer/index.js
@@ -1384,8 +1384,8 @@ export default class Tokenizer extends LocationParser {

    if (
      prevType === tt._var ||
-      prevType === tt._let ||
-      prevType === tt._const
+      prevType === tt._const ||
+      prevType === tt.name
    ) {
      return false;
    }
--- a/packages/babel-parser/src/tokenizer/types.js
+++ b/packages/babel-parser/src/tokenizer/types.js
@@ -180,7 +180,6 @@ export const keywords = Object.create(null, {
  throw: makeKeywordProps("throw", { beforeExpr, prefix, startsExpr }),
  try: makeKeywordProps("try"),
  var: makeKeywordProps("var"),
-  let: makeKeywordProps("let"),
  const: makeKeywordProps("const"),
  while: makeKeywordProps("while", { isLoop }),
  with: makeKeywordProps("with"),