InstaLikesClass

class.js

class InstaAllLikes {
    constructor() {
        this.heartClass = '.coreSpriteHeartOpen';
        this.nextButton = '._de018.coreSpriteRightPaginationArrow';
        this.minInterval = 5;
        this.maxInterval = 20;
        this.likeCount = 0;
        this.timeout;

        const popUp = document.querySelector('._n3cp9._d20no');
        if(popUp) {
            this.cycle();
        } else {
            throw 'Logic to open popup not implemented';   
        }
    }

    cycle() {
        console.info(`Liked ${this.likeCount} on this profile`);
        this.nextButtonEl = document.querySelector(this.nextButton);
        if (this.nextButtonEl && this.likeCount <= 999) {
            this.timeout = setTimeout(() => {
                this.clickLike();
            }, this.randomInterval * 1000);
        } else {
            console.log('end script');
        }
        
    }

    clickLike() {
        const button = document.querySelector(this.heartClass);
        if(button) {
            button.parentElement.click();
            this.likeCount++;    
        }
        setTimeout(() => {
            this.clickNext();
        }, 500);
        
    }

    clickNext() {
        this.nextButtonEl.click();
        clearTimeout(this.timeout);
        this.cycle();
    }

    get randomInterval() {
        return Math.floor(Math.random() * (this.maxInterval - this.minInterval + 1) + this.minInterval); 
    }
}

new InstaAllLikes();