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const split = (str, nmb) => {
return str.split('')
.reduce((arr, rec) => {
console.log(`Arr: ${arr} Rec : ${rec}`)
if (arr[arr.length - 1].length < nmb) {
arr[arr.length - 1] = [...arr[arr.length - 1], rec]
return arr
}
return [...arr, [rec]]
}, [[]])
.map(el => el.join(''))
}
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