v1.9.1

1.9.1 (2018-12-16)

Bug Fixes

• revert .d.ts and .js.flow module names (44cf843)
• test: faulty .flowconfig (e8fe4ba)
• test: use dist/immer.js in __tests__/types.ts (603664b)

Performance Improvements

• proxy: avoid has where possible (4b9b637)