Release v0.21.0 · facebook/flow

Likely to cause new Flow errors: ES6 react classes without state should now extends React.Component<DefaultProps, Props, void> (previously it was extends React.Component<DefaultProps, Props, {}>) ES6 react classes with state should declare state: State; New features: Autocomplete for jsx properties Typed JSX intrinsics. This means you can list which jsx intrinsics exist (like div, span, etc) and s

[teppeis]

Flowtype v0.21リリース。JSX Elementを型付けできる$JSXIntrinsicsの追加、共変/反変型パラメータのサポート、ES.next `export * as`構文のサポートなど。