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sledorze/ArrayElemIntersection.ts

Created March 26, 2019 20:39
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ArrayElemIntersection
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ArrayElemIntersection.ts
type ArrayElemIntersection<T extends any[]> = ({ [k in keyof T]: (x: T[k]) => void })[number] extends (
a: infer A
) => any
? A
: never
// Example
type A = [{ x: '5' }, { y: '8' }]
type IntersectAs = ArrayElemIntersection<A> // { x: '5' } & { y: '8' }
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