Oesolise — 최현배식 푸러쓰기를 유니코드로 어떻게든 풀어 쓰기

oesolise.js

function oesolise(string) {
    const choseong = ['ᴊ','ᴊᴊ','ʟ','c','cc','ƨ','ᴅ','ᵾ','ᵾᵾ','ʌ','ʌʌ','','ʌ̅','ʌ̅ʌ̅','ƛ','ᴊ̵','ᴇ','z̵','ô']
    const jungseong = ['h','hı','k','kı','q','qı','εլ','εլı','⊥','⊥̌h','⊥̌hı','⊥̌ı','⫫','ᴛ','ᴛq','ᴛqı','ᴛı','⫪','ᴜ','ᴜı','I']
    const jongseong = ['','ᴊ','ᴊᴊ','ᴊʌ','ʟ','ʟʌ̅','ʟô','c','ƨ','ƨᴊ','ƨᴅ','ƨᵾ','ƨʌ','ƨᴇ','ƨz̵','ƨô','ᴅ','ᵾ','ᵾʌ','ʌ','ʌʌ','o','ʌ̅','ƛ','ᴊ̵','ᴇ','z̵','ô']

    let outbuf = ''

    const chars = [...string]

    chars.map(it => it.codePointAt(0)).forEach(cp => {
        if (0xAC00 <= cp && cp <= 0xD7A3) {
            let base = cp - 0xAC00
            let indexInitial = (base / 588)|0
            let indexPeak = ((base / 28)|0) % 21
            let indexFinal = base % 28
            outbuf += choseong[indexInitial]
            outbuf += jungseong[indexPeak]
            outbuf += jongseong[indexFinal]
        }
        else {
            outbuf += String.fromCodePoint(cp)
        }
    })

    return outbuf
}