jest-util

Added expect.extend.

Properly resolve modules with platform extensions on react-native.

Added support for custom snapshots serializers.

Updated to Jasmine 2.5.2.

Big diffs are now collapsed by default in snapshots and assertions. Added --expand (or -e) to show the full diff.

Replaced scriptPreprocessor with the new transform option.

Added jest.resetAllMocks which replaces jest.clearAllMocks.

Fixes for react-native preset.

Fixes for global built in objects in jest-environment-node.

Create mock objects in the vm context instead of the parent context.

.babelrc is now part of the transform cache key in babel-jest.

Fixes for docblock parsing with haste modules.

Exit with the proper code when the coverage threshold is not reached.

Implemented file watching in jest-haste-map.

--json now includes information about individual tests inside a file.