repeat.js

class Repeatable{
    static RUN = 0;
    static BREAK = -1;
    static CONTINUE = 1;
   
    constructor(env = {}){
        this.i = 0;
        this.env = env;
        this._env = {...env};
        this.status = Repeatable.RUN;
    }

    repeat(fn, time){
        this.reset();
        fn = fn.bind(this);
        let status = this.status;
        for(;this.i < time; this.i++){
            console.debug(`status: ${status}`);
            if (status === Repeatable.RUN || status === undefined){
                status = fn();
            } else if (status === Repeatable.CONTINUE){
                status = this.RUN;
                continue;
            } else if (status === Repeatable.BREAK){
                status = this.RUN;
                break;
            } else {
                throw "WRONG STATUS";
            }
        }
    }

    reset(){
        this.reset_idx();
        this.reset_env();
    }

    reset_idx(){
        this.i = 0;
    }
    reset_env(){
        this.env = {...this._env};
    }

    getIdx(){
        return this.i;
    }

    getVar(name){
        return this.env[name];
    }
}

const repeat = Repeatable.prototype.repeat.bind(new Repeatable());

function hello(){
    let i = this.getIdx();
    console.log('hello', i);
    if(i === 3){
        console.debug("continue");
        return Repeatable.CONTINUE;
    }
    if(i === 10){
        console.debug("break");
        return Repeatable.BREAK;
    }
}

repeat(hello, 15);

function helloName(){
    let i = this.getIdx();
    let name = this.getVar("name")[i];
    console.log(`${i}: hello, ${name}!`);
}

new Repeatable({"name":["John", "Kity", "Ted"]}).repeat(helloName, 3);

_debug = console.debug;
console.debug = ()=>{};