// ==UserScript==
// @name duohacker but for practice
// @namespace https://www.duolingo.com/
// @homepageURL https://github.com/smintf/duohacker
// @supportURL https://github.com/smintf/duohacker/issues
// @contributionURL https://github.com/smintf/duohacker/pulls
// @version 1.0.1
// @description auto answer script to use on practice.
// @author Smint
// @copyright Smint
// @match https://www.duolingo.com/learn*
// @match https://www.duolingo.com/practice*
// @match https://www.duolingo.com/checkpoint*
// @license MIT
// @grant none
// @run-at document-end
// ==/UserScript==
// ==OpenUserJS==
// @author smintf
// ==/OpenUserJS==
const DEBUG = false;
let mainInterval;
const dataTestComponentClassName = 'e4VJZ';
const TIME_OUT = 1000;
// Challenge types
const CHARACTER_SELECT_TYPE = 'characterSelect';
const CHARACTER_MATCH_TYPE = 'characterMatch';
const TRANSLATE_TYPE = 'translate';
const LISTEN_TAP_TYPE = 'listenTap';
const NAME_TYPE = 'name';
const COMPLETE_REVERSE_TRANSLATION_TYPE = 'completeReverseTranslation';
const LISTEN_TYPE = 'listen';
const SELECT_TYPE = 'select';
const JUDGE_TYPE = 'judge';
const FORM_TYPE = 'form';
const LISTEN_COMPREHENSION_TYPE = 'listenComprehension';
const READ_COMPREHENSION_TYPE = 'readComprehension';
const CHARACTER_INTRO_TYPE = 'characterIntro';
const DIALOGUE_TYPE = 'dialogue';
const SELECT_TRANSCRIPTION_TYPE = 'selectTranscription';
const SPEAK_TYPE = 'speak';
const SELECT_PRONUNCIATION_TYPE = 'selectPronunciation';
// W.I.P
const ASSIST_TYPE = 'assist'
const TAP_COMPLETE_TYPE = 'tapComplete';
const GAP_FILL_TYPE = 'gapFill';
const CHARACTER_TRACE_TYPE = 'characterTrace';
const CHALLENGE_PUZZLE_TYPE = 'characterPuzzle';
const DEFINITION_TYPE = 'definition';
const MATCH_TYPE = 'match';
const TAP_DESCRIBE_TYPE = 'tapDescribe';
const FREE_RESPONSE_TYPE = 'freeResponse';
// Query DOM keys
const CHALLENGE_CHOICE_CARD = '[data-test="challenge-choice-card"]';
const CHALLENGE_CHOICE = '[data-test="challenge-choice"]';
const CHALLENGE_TRANSLATE_INPUT = '[data-test="challenge-translate-input"]';
const CHALLENGE_LISTEN_TAP = '[data-test="challenge-listenTap"]';
const CHALLENGE_JUDGE_TEXT = '[data-test="challenge-judge-text"]';
const CHALLENGE_TEXT_INPUT = '[data-test="challenge-text-input"]';
const CHALLENGE_TAP_TOKEN = '[data-test="challenge-tap-token"]';
const PLAYER_NEXT = '[data-test="player-next"]';
const PLAYER_SKIP = '[data-test="player-skip"]';
const BLAME_INCORRECT = '[data-test="blame blame-incorrect"]';
const CHARACTER_MATCH = '[data-test="challenge challenge-characterMatch"]';
// Mouse Click
const clickEvent = new MouseEvent('click', {
view: window,
bubbles: true,
cancelable: true
});
// Gets Challenge Object
function getChallengeObj(theObject) {
let result = null;
if (theObject instanceof Array) {
for (let i = 0; i < theObject.length; i++) {
result = getChallengeObj(theObject[i]);
if (result) {
break;
}
}
}
else {
for (let prop in theObject) {
if (prop == 'challenge') {
if (typeof theObject[prop] == 'object') {
return theObject;
}
}
if (theObject[prop] instanceof Object || theObject[prop] instanceof Array) {
result = getChallengeObj(theObject[prop]);
if (result) {
break;
}
}
}
}
return result;
}
// Gets the Challenge
function getChallenge() {
const dataTestDOM = document.getElementsByClassName(dataTestComponentClassName)[0];
if (!dataTestDOM) {
document.querySelectorAll(PLAYER_NEXT)[0].dispatchEvent(clickEvent);
return null;
} else {
const dataTestAtrr = Object.keys(dataTestDOM).filter(att => /^__reactProps/g.test(att))[0];
const childDataTestProps = dataTestDOM[dataTestAtrr];
const { challenge } = getChallengeObj(childDataTestProps);
return challenge;
}
}
// Calls clickEvent()
function pressEnter() {
const clickEvent = new MouseEvent("click", {
"view": window,
"bubbles": true,
"cancelable": false
});
// Press the Next/Continue button automatically
document.querySelector('button[data-test="player-next"]').dispatchEvent(clickEvent);
}
function dynamicInput(element, msg) {
let input = element;
let lastValue = input.value;
input.value = msg;
let event = new Event('input', { bubbles: true });
event.simulated = true;
let tracker = input._valueTracker;
if (tracker) {
tracker.setValue(lastValue);
}
input.dispatchEvent(event);
}
// Solves the Challenge
function classify() {
const challenge = getChallenge();
if (!challenge) return;
if (DEBUG) console.log(`${challenge.type}`, challenge);
switch (challenge.type) {
case GAP_FILL_TYPE:
case SELECT_TYPE:
case SELECT_PRONUNCIATION_TYPE:
case READ_COMPREHENSION_TYPE:
case LISTEN_COMPREHENSION_TYPE:
case CHARACTER_SELECT_TYPE:
case FORM_TYPE: {
const { choices, correctIndex } = challenge;
if (DEBUG) console.log('READ_COMPREHENSION, LISTEN_COMPREHENSION, CHARACTER_SELECT_TYPE, GAP_FILL_TYPE, SELECT_PRONUNCIATION_TYPE', { choices, correctIndex });
document.querySelectorAll(CHALLENGE_CHOICE)[correctIndex].dispatchEvent(clickEvent);
return { choices, correctIndex };
}
case TAP_COMPLETE_TYPE: {
const { choices, correctIndices } = challenge;
if (DEBUG) console.log('TAP_COMPLETE_TYPE', { choices, correctIndices });
return { choices, correctIndices };
}
case MATCH_TYPE:
case CHARACTER_MATCH_TYPE: {
const { pairs } = challenge;
const tokens = document.querySelectorAll(CHALLENGE_TAP_TOKEN);
if (DEBUG) console.log('CHARACTER_MATCH_TYPE', { tokens });
pairs.forEach((pair) => {
for(let i = 0; i < tokens.length; i++) {
if(tokens[i].innerText === pair.transliteration || tokens[i].innerText === pair.character) {
tokens[i].dispatchEvent(clickEvent);
}
}
})
return { pairs };
}
case TRANSLATE_TYPE: {
const { correctTokens, correctSolutions } = challenge;
if (DEBUG) console.log('TRANSLATE_TYPE', { correctTokens });
if (correctTokens) {
const tokens = document.querySelectorAll(CHALLENGE_TAP_TOKEN);
let ignoreTokeIndexes = [];
for (let correctTokenIndex in correctTokens) {
for (let tokenIndex in tokens) {
const token = tokens[tokenIndex];
if (ignoreTokeIndexes.includes(tokenIndex)) continue;
if (token.innerText === correctTokens[correctTokenIndex]) {
token.dispatchEvent(clickEvent);
ignoreTokeIndexes.push(tokenIndex);
if(DEBUG) console.log(`correctTokenIndex [${correctTokens[correctTokenIndex]}] - tokenIndex [${token.innerText}]`);
break;
};
}
}
} else if (correctSolutions) {
let textInputElement = document.querySelectorAll(CHALLENGE_TRANSLATE_INPUT)[0];
dynamicInput(textInputElement, correctSolutions[0]);
}
return { correctTokens };
}
case NAME_TYPE: {
const { correctSolutions } = challenge;
if (DEBUG) console.log('NAME_TYPE', { correctSolutions });
let textInputElement = document.querySelectorAll(CHALLENGE_TEXT_INPUT)[0];
let correctSolution = correctSolutions[0];
dynamicInput(textInputElement, correctSolution);
return { correctSolutions };
}
case COMPLETE_REVERSE_TRANSLATION_TYPE: {
const { displayTokens } = challenge;
if (DEBUG) console.log('COMPLETE_REVERSE_TRANLATION_TYPE', { displayTokens });
const { text } = displayTokens.filter(token => token.isBlank)[0];
let textInputElement = document.querySelectorAll(CHALLENGE_TEXT_INPUT)[0];
dynamicInput(textInputElement, text);
return { displayTokens };
}
case LISTEN_TAP_TYPE: {
const { correctTokens } = challenge;
if (DEBUG) console.log('LISTEN_TAP_TYPE', { correctTokens });
const tokens = document.querySelectorAll(CHALLENGE_TAP_TOKEN);
for (let wordIndex in correctTokens) {
tokens.forEach((token) => {
if (token.innerText === correctTokens[wordIndex]) {
token.dispatchEvent(clickEvent);
};
});
}
return { correctTokens };
}
case LISTEN_TYPE: {
const { prompt } = challenge;
if (DEBUG) console.log('LISTEN_TYPE', { prompt });
let textInputElement = document.querySelectorAll(CHALLENGE_TRANSLATE_INPUT)[0];
dynamicInput(textInputElement, prompt);
return { prompt };
}
case JUDGE_TYPE: {
const { correctIndices } = challenge;
if (DEBUG) console.log('JUDGE_TYPE', { correctIndices });
document.querySelectorAll(CHALLENGE_JUDGE_TEXT)[correctIndices[0]].dispatchEvent(clickEvent);
return { correctIndices };
}
case DIALOGUE_TYPE:
case CHARACTER_INTRO_TYPE: {
const { choices, correctIndex } = challenge;
if (DEBUG) console.log('CHARACTER_INTRO_TYPE, DIALOGUE_TYPE', { choices, correctIndex });
document.querySelectorAll(CHALLENGE_JUDGE_TEXT)[correctIndex].dispatchEvent(clickEvent);
return { choices, correctIndex };
}
case SELECT_TRANSCRIPTION_TYPE: {
const { choices, correctIndex } = challenge;
if (DEBUG) console.log('SELECT_TRANSCRIPTION_TYPE', { choices, correctIndex });
document.querySelectorAll(CHALLENGE_JUDGE_TEXT)[correctIndex].dispatchEvent(clickEvent);
return { choices, correctIndex };
}
case SPEAK_TYPE: {
const { prompt } = challenge;
if (DEBUG) console.log('SPEAK_TYPE', { prompt });
document.querySelectorAll(PLAYER_SKIP)[0].dispatchEvent(clickEvent);
return { prompt };
}
default:
break;
}
}
// Stops the userscript when an answer is incorrect
function breakWhenIncorrect() {
const isBreak = document.querySelectorAll(BLAME_INCORRECT).length > 0;
if (isBreak) {
console.log('Incorrect, stopped');
clearInterval(mainInterval);
};
}
// Main Function
function main() {
try {
let isPlayerNext = document.querySelectorAll(PLAYER_NEXT)[0].textContent.toUpperCase();
if (isPlayerNext.valueOf() !== 'CONTINUE') {
classify();
breakWhenIncorrect()
pressEnter();
}
setTimeout(pressEnter, 150);
} catch (e) {
console.log(e);
}
}
// Calls main()
function solveChallenge() {
mainInterval = setInterval(main, TIME_OUT);
// Logs command to stop the Userscript
console.log(`to stop the script run "clearInterval(${mainInterval})"`);
}
(solveChallenge)();
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