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natanfeitosa/stringToNumber.ts

Created August 2, 2024 23:39
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stringToNumber.ts
function stringToNumber(str: string) {
str = str.trim()
if (/[^\d]/.test(str)) {
throw new Error('Deve conter apenas numeros')
}
return Array.from(str).reverse().reduce((acc, cur, idx) => {
let val = (cur.charCodeAt(0) - 48)
return acc + (val * 10 ** idx)
}, 0)
}
console.log(stringToNumber('123456789'))
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Referência: https://x.com/zanfranceschi/status/1819413388360810601

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