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Augmented Usamimi

it { is_expected.to be_blog.written_by(izumin5210) }

React

React.ComponentにFlowで型をつけるスニペット

v0.38.0時点. こんな感じに定義されてる. https://github.com/facebook/flow/blob/v0.38.0/lib/react.js#L224 declare module react { // snip. declare var Component: typeof React$Component; declare var PureComponent: typeof React$PureComponent; …