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ChrisDobby/replaceZeros.ts

Last active December 29, 2022 11:16
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replaceZeros.ts
const addZerosCount = ({ str, zeroCount }: { str: string; zeroCount: number }) => `${str}${zeroCount || ''}`
const replaceZeros = (strIncludingZeros: string) =>
addZerosCount(
strIncludingZeros.split('').reduce((acc, ch) => (ch === '0' ? { ...acc, zeroCount: (acc.zeroCount += 1) } : { str: `${addZerosCount(acc)}${ch}`, zeroCount: 0 }), {
str: '',
zeroCount: 0,
})
)
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