fix: avoid crash when importing without global expect (#56)

babel-utils · Dec 1, 2019 · a134785 · a134785
1 parent 60e5c07
commit a134785
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -3,7 +3,7 @@ import prettierFormatter from './formatters/prettier'
 import unstringSnapshotSerializer from './unstring-snapshot-serializer'
 
 // istanbul ignore else (it's not worth testing)
-if (expect.addSnapshotSerializer) {
+if (typeof expect !== 'undefined' && expect.addSnapshotSerializer) {
   expect.addSnapshotSerializer(unstringSnapshotSerializer)
 }