facebook/flow v0.213.0

on GitHub

Likely to cause new Flow errors:

• Builtin idx support is removed. idx functions can now be typed with conditional type and mapped type. The v3 release of idx contains these typing changes.
• When using module.system=haste, it will now be an error if a .js.flow file shadows a .js file with a different path prefix.

Notable bug fixes:

• Fixed a bug that used to cause spurious internal errors when you have non-binding patterns. example

Parser:

• Fixed parsing of multiple as/satisfies casts in a row.

Library Definitions:

• Added support for Intl.Locale class