Duolingo flashcards speaker

Add speaker to duolingo feature "review flashcards"

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        Duolingo flashcards speaker
// @description Add speaker to duolingo feature "review flashcards"
// @namespace   vokracko
// @author      Lukáš Vokráčko
// @include     https://www.duolingo.com/*
// @version     1.0
// @grant       none
// @encoding    utf-8
// ==/UserScript==

var target = document.querySelector('body');
var config = { attributes: false, childList: true, characterData: false, subtree: true};
var counter = 1;

var play = function(counter, lang, word) { // play word
  soundManager2015.createSound(
  {
    id: counter, 
    url: 'https://d7mj4aqfscim2.cloudfront.net/tts/' + lang + '/token/' + word, 
    autoPlay: true
  });
}
 
var observer = new MutationObserver(function(mutations) {
  mutations.forEach(function(mutation) {

    if($(mutation.addedNodes).find(".flashcard-word")) // when flashcards are shown
    {
      var lang = $(".language-choice.active").data('value');
      var wordNode = $(mutation.addedNodes).find("#current-container").find(".flashcard-word");

      if(wordNode.length)
      {
          var word = $(wordNode).first().text();
          setTimeout(function() {play(counter, lang, word);}, 80); // wait until word is visible
          counter++;  
      } 
    }   
  });    
});

observer.observe(target, config);