This script allows you to type letters appropriate for current challenge without changing keyboard layout. Similar to Punto Switcher.
// ==UserScript==
// @name Duolingo input language switcher
// @namespace https://www.duolingo.com/IVrL9
// @author T1mL3arn
// @match https://www.duolingo.com/*
// @match https://*.duolingo.com/*
// @version 3.0.1
// @description This script allows you to type letters appropriate for current challenge without changing keyboard layout. Similar to Punto Switcher.
// @description:ru Скрипт дает возможность выполнять упражнения не отвлекаясь на переключение раскладки клавиатуры. Похоже на Punto Switcher.
// @run-at document-start
// @grant none
// @icon https://www.androidpolice.com/wp-content/uploads/2014/03/nexusae0_Duolingo-Thumb.png
// @license GPL-3.0-only
// @homepageURL https://github.com/T1mL3arn/Duolingo-input-language-switcher
// @supportURL https://greasyfork.org/en/scripts/37693-duolingo-input-language-switcher/feedback
// ==/UserScript==
(function ($global) { "use strict";
var Lambda = function() { };
Lambda.find = function(it,f) {
var v = $getIterator(it);
while(v.hasNext()) {
var v1 = v.next();
if(f(v1)) {
return v1;
}
}
return null;
};
var Main = function() {
this.CHALLENGE_TYPES = ["listen_complete","complete_reverse_translation","reverse_translate","partial_reverse_translate","reverse_tap","listen","tap","name","listen_tap"];
this.document = window.document;
this.console = $global.console;
this.initLanguages();
if(this.document.readyState == "interactive" || this.document.readyState == "complete") {
this.onready();
} else {
this.document.addEventListener("DOMContentLoaded",$bind(this,this.onready));
}
};
Main.main = function() {
new Main();
};
Main.prototype = {
initLanguages: function() {
this.keyCodes = ["Backquote","Digit1","Digit2","Digit3","Digit4","Digit5","Digit6","Digit7","Digit8","Digit9","Digit0","Minus","Equal","Backslash","KeyQ","KeyW","KeyE","KeyR","KeyT","KeyY","KeyU","KeyI","KeyO","KeyP","BracketLeft","BracketRight","KeyA","KeyS","KeyD","KeyF","KeyG","KeyH","KeyJ","KeyK","KeyL","Semicolon","Quote","KeyZ","KeyX","KeyC","KeyV","KeyB","KeyN","KeyM","Comma","Period","Slash"];
this.languages = { };
this.languages.ru = "ё1234567890-=\\йцукенгшщзхъфывапролджэячсмитьбю.Ё!\"№;%:?*()_+/ЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ,";
this.languages.en = "`1234567890-=\\qwertyuiop[]asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+|QWERTYUIOP{}ASDFGHJKL:\"ZXCVBNM<>?";
var len = this.languages.ru.length;
var _g = 0;
var _g1 = Reflect.fields(this.languages);
while(_g < _g1.length) {
var f = _g1[_g];
++_g;
var act = this.languages[f].length;
if(act != len) {
this.console.error("LangString test failed: expected len " + len + "; actual len " + act + "; lang name " + f);
this.console.error(this.languages[f]);
return;
}
if(act != this.keyCodes.length * 2) {
this.console.error("KeyCodes and LangString test failed: expected lang string len " + this.keyCodes.length * 2 + "; actual len " + act + "; lang name " + f);
return;
}
}
}
,onready: function(e) {
var _gthis = this;
this.document.removeEventListener("DOMContentLoaded",$bind(this,this.onready));
var mode = "";
this.console.log("Duolingo input switcher is ready" + mode);
window.document.body.addEventListener("keydown",$bind(this,this.onKeyDown));
new MutationObserver(function(changes) {
var path = window.location.pathname;
var isPracticePage = StringTools.startsWith(path,"/practice") || StringTools.startsWith(path,"/lesson");
var someAdded = Lambda.find(changes,function(c) {
return c.addedNodes.length > 0;
}) != null;
if(isPracticePage && someAdded) {
var elt = _gthis.document.querySelector("._3x0ok");
if(elt == null) {
_gthis.console.log("Not a practice page, reset current challenge");
_gthis.currentChallengeType = null;
return;
}
var props = _gthis.getReactProps(elt);
_gthis.challenge = props.children[0]._owner.stateNode.props.currentChallenge;
if(_gthis.challenge == null) {
_gthis.console.log("Not a practice page, reset current challenge");
_gthis.currentChallengeType = null;
return;
}
var sourcelang = _gthis.challenge.metadata.source_language;
var targetlang = _gthis.challenge.metadata.target_language;
var specType = _gthis.challenge.metadata.specific_type;
var genType = _gthis.challenge.metadata.type;
_gthis.sourceLanguage = sourcelang;
_gthis.targetLanguage = targetlang != null ? targetlang : sourcelang;
_gthis.currentChallengeType = specType;
_gthis.console.log(specType,sourcelang,targetlang,genType);
}
}).observe(this.document.body,{ childList : true, subtree : true});
}
,getReactProps: function(elt) {
var _g = 0;
var _g1 = Reflect.fields(elt);
while(_g < _g1.length) {
var propName = _g1[_g];
++_g;
if(StringTools.startsWith(propName,"__reactProps")) {
return Reflect.field(elt,propName);
}
}
return null;
}
,onKeyDown: function(e) {
if(this.currentChallengeType == null) {
return;
}
if(e.ctrlKey) {
return;
}
var pressedKeyCodeIndex = this.keyCodes.indexOf(e.code);
if(pressedKeyCodeIndex == -1) {
return;
}
if(this.CHALLENGE_TYPES.indexOf(this.currentChallengeType) == -1) {
return;
}
var elt = e.target;
if(!(elt.hasAttribute("contenteditable") || elt.tagName == "INPUT" || elt.tagName == "TEXTAREA")) {
return;
}
e.preventDefault();
this.replaceLetter(this.getLanguageLetter(this.targetLanguage,pressedKeyCodeIndex,e.shiftKey),elt);
}
,getLanguageLetter: function(language,letterIndex,isUppercase) {
var letters = this.languages[language];
if(isUppercase) {
return letters.charAt(letterIndex + this.keyCodes.length);
} else {
return letters.charAt(letterIndex);
}
}
,replaceLetter: function(letter,elt) {
switch(elt.tagName) {
case "SPAN":
var s = window.getSelection();
if(s.anchorNode != s.focusNode) {
return false;
}
var start = s.anchorOffset;
var end = s.focusOffset;
var text = s.anchorNode.textContent;
if(start != end) {
s.deleteFromDocument();
}
start = s.anchorOffset;
end = s.focusOffset;
elt.textContent = text.substring(0,start) + letter + text.substring(end);
elt.dispatchEvent(new InputEvent("input",{ bubbles : true}));
s.collapse(elt.childNodes[0],start + 1);
return true;
case "INPUT":case "TEXTAREA":
var elt1 = elt;
var start = elt1.selectionStart;
var phrase = elt1.value;
phrase = phrase.substring(0,start) + letter + phrase.substring(elt1.selectionEnd);
elt1.value = phrase;
elt1.setSelectionRange(start + 1,start + 1);
this.callReactEventHandler(elt1,"onChange",{ type : "change", target : elt1});
return true;
default:
return false;
}
}
,callReactEventHandler: function(elt,methodName,event) {
var _g = 0;
var _g1 = Reflect.fields(elt);
while(_g < _g1.length) {
var fieldName = _g1[_g];
++_g;
if(fieldName.indexOf("__reactProps") != -1) {
var reactProps = Reflect.field(elt,fieldName);
reactProps[methodName](event);
return;
}
}
this.console.error("Cannot find react " + methodName + " handler on",elt);
}
};
var Reflect = function() { };
Reflect.field = function(o,field) {
try {
return o[field];
} catch( _g ) {
return null;
}
};
Reflect.fields = function(o) {
var a = [];
if(o != null) {
var hasOwnProperty = Object.prototype.hasOwnProperty;
for( var f in o ) {
if(f != "__id__" && f != "hx__closures__" && hasOwnProperty.call(o,f)) {
a.push(f);
}
}
}
return a;
};
var StringTools = function() { };
StringTools.startsWith = function(s,start) {
if(s.length >= start.length) {
return s.lastIndexOf(start,0) == 0;
} else {
return false;
}
};
var haxe_iterators_ArrayIterator = function(array) {
this.current = 0;
this.array = array;
};
haxe_iterators_ArrayIterator.prototype = {
hasNext: function() {
return this.current < this.array.length;
}
,next: function() {
return this.array[this.current++];
}
};
function $getIterator(o) { if( o instanceof Array ) return new haxe_iterators_ArrayIterator(o); else return o.iterator(); }
var $_;
function $bind(o,m) { if( m == null ) return null; if( m.__id__ == null ) m.__id__ = $global.$haxeUID++; var f; if( o.hx__closures__ == null ) o.hx__closures__ = {}; else f = o.hx__closures__[m.__id__]; if( f == null ) { f = m.bind(o); o.hx__closures__[m.__id__] = f; } return f; }
$global.$haxeUID |= 0;
Main.main();
})(typeof window != "undefined" ? window : typeof global != "undefined" ? global : typeof self != "undefined" ? self : this);