siimee/backend/db/data-generator/random.js

const randomNumber = max => {
    return Math.floor(Math.random() * max) < 1
        ? 1
        : Math.floor(Math.random() * max)
}
const randomValFrom = arr => arr[randomNumber(arr.length)]
const randomEmail = (length = 5) => {
    let chars =
        'abcdefghijklmnopqrstuvwxyz-_abcdefghijklmnopqrstuvwxyz0123456789'
    let str = ''
    for (let i = 0; i < length + randomNumber(9); i++) {
        str += chars.charAt(Math.floor(Math.random() * chars.length))
    }
    const suffixs = [
        '@gmail.com',
        '@aol.com',
        '@yahoo.com',
        '@apple.com',
        '@hotmail.com',
        '@rocket-mail.com',
        '@mail.com',
    ]
    return str + randomValFrom(suffixs)
}
const randomName = (length = 4) => {
    let chars = 'aeiouaeiouabcdefghijklmnoprstuvwyabcdefghijklmnopqrstuvwxyz'
    let str = ''
    for (let i = 0; i < length + randomNumber(9); i++) {
        str += chars.charAt(Math.floor(Math.random() * chars.length))
    }
    return str
}

module.exports = {
    number: randomNumber,
    valFrom: randomValFrom,
    email: randomEmail,
    name: randomName,
}