fix(optional chaining): Optional delete returns true with nullish base (#10806)

Per issue 10805, the return value when using delete on a nullish base is currently undefined. The correct return type should be true.
2019-12-04 06:56:25 -05:00
parent 3d0c5d2afc
commit bb6cc61979
6 changed files with 15 additions and 19 deletions
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/typeof-reserved-invalid-1/options.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/typeof-reserved-invalid-1/options.json
@@ -1,8 +1,5 @@
 {
  "sourceType": "module",
-  "plugins": [
-    "jsx",
-    "flow"
-  ],
+  "plugins": ["jsx", "flow"],
  "throws": "Unexpected token, expected \"{\" (2:26)"
-}
+}
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/typeof-reserved-invalid-5/options.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/typeof-reserved-invalid-5/options.json
@@ -1,8 +1,5 @@
 {
  "sourceType": "module",
-  "plugins": [
-    "jsx",
-    "flow"
-  ],
+  "plugins": ["jsx", "flow"],
  "throws": "Unexpected token (2:23)"
-}
+}