FizzBuzzNoModandif.ts

type Filter<T> = {
    [K in keyof T as Exclude<K, 'run' | 'set'>]: T[K]
}

class FizzBuzz {
    
    constructor(public max: number = 100, public fizz: number = 3, public buzz: number = 5) {
    }

    set = (key: keyof Filter<FizzBuzz>, num: number) => {
        this[key] = num
        return this
    }

    run = () => {
        let out = ''
        for (let i = 1; i <= this.max; i++) {
            let temp = ''
            temp += Number.isInteger(i/this.fizz) ? 'fizz' : ''
            temp += Number.isInteger(i/this.buzz) ? 'buzz' : ''
            out += temp? `${temp}\n` : `${i}\n`
        }
        return out
    }
}

console.log(new FizzBuzz(100, 3, 5).run())