spell.js

(function loadModule() {
    initLoad();
    function initLoad() {
        if(href.includes("quizlet.com") && href.includes("/spell")) {
            new Spell();
        }
    }
})();

class Spell {
    constructor() {
        this.hijack();
        this.play();
    
        this.cooldown = 10;
        this.last_called = Date.now();
    
        try {
            document.getElementsByClassName('UIIcon--audio')[0].parentElement.click()
        } catch(e) {}
    }
    
    play() {
        let elem1 = document.getElementById('js-spellReplayAudio'),
            elem2 = document.getElementsByClassName('SpellQuestionView-replayAudio')[0];
    
        let event = new KeyboardEvent('keydown', {
            bubbles: true,
            cancelable: true,
            char: 'Escape',
            key: 'Escape',
            shiftKey: false,
            keyCode: 27,
            which: 27
        });
        (elem2 || elem1).dispatchEvent(event);
    }
    
    input() {
        let elem1 = document.getElementById('js-spellInput'),
            elem2 = document.getElementsByClassName('AutoExpandTextarea-textarea')[0],
            elem3 = document.querySelector('textarea');
    
        return elem2 || elem1 || elem3;
    }
    
    hijack() {
        let self = this;
    
        Howl.prototype.oldPlay = Howl.prototype.play;
        Howl.prototype.play = function () { self.solve(this); }
    }

    enter() {
        let event = new KeyboardEvent('keydown', {
            bubbles: true,
            cancelable: true,
            char: 'Enter',
            key: 'Enter',
            shiftKey: false,
            keyCode: 13,
            which: 13
        });
        this.input().dispatchEvent(event);
    }
    
    solve(e) {
        e.oldPlay();
    
        let now = Date.now();
        if (now - this.last_called <= this.cooldown) return false;
        this.last_called = now;
    
        let terms = Answers.get(),
            answer = new URLSearchParams(e._src).get('b'),
            input = this.input();
        
        for (let i = 0; i < terms.length; ++i) {
            let src = new URLSearchParams(terms[i]._wordAudioUrl).get('b');
            if (src == answer) {
                let word = terms[i].word;
    
                let event = window.document.createEvent('Event');
                event.initEvent('input', true, true);
    
                let inp = input,
                    data = Object.getOwnPropertyDescriptor(inp.constructor.prototype, 'value');
               
                (null == data ? void 0 : data.set) ? data.set.call(inp, word) : inp.value = word;            
                input.dispatchEvent(event);
    
                //setTimeout(() => { this.enter(); }, 100);
                break;
            }
        }
    }
}