Properly allow undefined ignore patterns for test/include/exclude.

2018-02-06 22:31:48 -08:00
parent a3ad518ce1
commit ec2e0b664a
1 changed files with 2 additions and 0 deletions
--- a/packages/babel-core/src/config/validation/option-assertions.js
+++ b/packages/babel-core/src/config/validation/option-assertions.js
@@ -140,6 +140,8 @@ export function assertConfigApplicableTest(
  key: string,
  value: mixed,
 ): ConfigApplicableTest | void {
+  if (value === undefined) return value;
+
  if (Array.isArray(value)) {
    value.forEach((item, i) => {
      if (!checkValidTest(item)) {