Konversi Bahasa Planet

/**
 * Konversi ke bahasa planet
 * Example: kamu menjadi kagamugu.
 **/

const { stdin, stdout } = process
const rl = require('readline').createInterface(stdin, stdout)

const q = q => new Promise(resolve => {
    rl.question(q, a => resolve(a))
})

const bahasa_planet = (text, alias) => {
    let result = ''
    text.split``.map(v => {
        result += (
            (
                (/A|a/.test(v)) ? v.replace(/A|a/g, `${v}${alias}${v}`) :
                (/I|i/.test(v)) ? v.replace(/I|i/g, `${v}${alias}${v}`) :
                (/U|u/.test(v)) ? v.replace(/U|u/g, `${v}${alias}${v}`) :
                (/E|e/.test(v)) ? v.replace(/E|e/g, `${v}${alias}${v}`) :
                (/O|o/.test(v)) ? v.replace(/O|o/g, `${v}${alias}${v}`) :
                v
            )
        )
    })
    return result
}

;(async() => {
    async function mulai() {
        let tanya = await q('\n? text: ')
        let alias = await q('? alias: ')

        console.log(`\n% output: ${bahasa_planet(tanya, alias)}`)
        await mulai()
    }
    await mulai()
})()