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forivall/reduce-partition.ts

Created July 18, 2022 19:24
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reduce based partition function
Raw
reduce-partition.ts
export const partition = <T>(
arr: T[],
iteratee: (value: T, index: number, array: T[]) => any
) =>
arr.reduce(
(result: [T[], T[]], value, index, array) => (
result[+!iteratee(value, index, array)].push(value), result
),
[[], []]
)
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