facebook/flow v0.285.0

on GitHub

Library Definitions:

• Fix type of useActionState hook in React. Type should be Awaited instead of Promise (the opposite operation).
• Added types for Object.groupBy and Map.groupBy
  • https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/groupBy
  • https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/groupBy

Bug fixes:

• Fixed a bug that when experimental.ts_utility_syntax=true, imported Readonly, ReadonlyArray, NonNullable, ReadonlyMap, ReadonlySet types are considered any.