Likely to cause new Flow errors:
- Add a new error for unreachable code occuring in a loop after a conditional with mixed
breakandcontinuebranches.
New Features:
- LSP extract to function/method/constant/class fields/type alias is enabled by default. These refactors will show up under after selecting some code. They can be disabled by adding
experimental.refactor=falseto the.flowconfig. - Add an eslint plugin,
eslint-plugin-fb-flow, for eslint rules from the Flow team. The first rule isuse-indexed-access-typeto encourage the use of indexed access types (https://flow.org/en/docs/types/indexed-access/). - Add another eslint rule to lint against explicit exact by default syntax (fixes #8612).
- Add a command to
update-suppressionsto the flow tool (fixes #8384).
Library Definitions:
- Better coverage of the MediaTrackSettings API.
- Improve types for ResizeObserver (fixes #8693).
Misc:
- Upgrade to OCaml 4.10.2.