Get all your duolingo vocab words, then import them to quizlet as a set

duolingoVocab.js

// You must run this on the website because of the
// authentication method and CORS

// We get the definitions here
function callback(defs) {
  window.quizlet = "";
  for (let word in defs) {
      quizlet += (word + "\t" + defs[word].join(", ") + "\n");
    }
    console.log(quizlet);
}

function getDefs(words) {
  const script = document.createElement("script");
  script.async = "async";
  script.src = "https://d2.duolingo.com/api/1/dictionary/hints/de/en?callback=callback&tokens=" + encodeURIComponent( JSON.stringify(words) );
  document.head.appendChild(script);
  script.onload = script.onreadystatechange = function() {
    if ( /loaded|complete/.test(script.readyState) ) {
      script.parent.removeChild(script);
    }
  }
}

window.words = {};

function parse(obj) {
  const out = {};
  const wordList = obj.vocab_overview;
  for (let i in wordList) {
    let wordObj = wordList[i];
    let word = wordObj.word_string;
    out[word] = {};
    out[word].pos = wordObj.pos;
    out[word].gender = wordObj.gender;
    out[word].skill = wordObj.skill;
  }
  return window.words = out;
}

function getWordList() {
  const xhr = new XMLHttpRequest();
  xhr.open("GET", "/vocabulary/overview", true);

  xhr.onreadystatechange = function() {
    if ( xhr.readyState === 4 && xhr.status === 200 ) {
      const obj = JSON.parse(xhr.responseText);
      const parsedObj = parse(obj);
      const wordList = Object.keys( window.words );
      getDefs(wordList);
    }
  }

  xhr.send();
}

getWordList();