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ChrisDobby/repeatedGroups.ts

Created February 28, 2023 14:13
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Given a list of numbers, return all groups of repeating consecutive numbers
Raw
repeatedGroups.ts
const repeatedGroups = (numbers: number[]) =>
numbers
.reduce<number[][]>(
(acc, num) => (acc.length === 0 || !acc[acc.length - 1].includes(num) ? [...acc, [num]] : [...acc.slice(0, acc.length - 1), [...acc[acc.length - 1], num]]),
[]
)
.filter(nums => nums.length > 1)
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