This script allows you to type letters appropriate for current task without changing keyboard's layout
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// ==UserScript==
// @name Duolingo input language switcher
// @namespace https://www.duolingo.com/IVrL9
// @author T1mL3arn
// @match https://www.duolingo.com/*
// @version 2.0.2
// @description This script allows you to type letters appropriate for current task without changing keyboard's layout
// @run-at document-start
// @grant none
// @icon https://www.androidpolice.com/wp-content/uploads/2014/03/nexusae0_Duolingo-Thumb.png
// @license GPLv3
// @homepageURL https://github.com/T1mL3arn/Duolingo-input-language-switcher
// @supportURL https://greasyfork.org/en/scripts/37693-duolingo-input-language-switcher/feedback
// ==/UserScript==/// Generated by Haxe 4.0.3
(function ($global) { "use strict";
var Main = function() {
this.document = window.document;
this.console = window.console;
this.initLanguages();
if(this.document.readyState == "interactive" || this.document.readyState == "complete") {
this.onready();
} else {
this.document.addEventListener("DOMContentLoaded",$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,./~!@#$%^&*()_+|QWERTYUIOP{}ASDFGHJKL:\"ZXCVBNM<>?";
var len = this.languages.ru.length;
var _g = 0;
var _g1 = Reflect.fields(this.languages);
while(_g < _g1.length) {
var f = _g1[_g];
++_g;
var act = this.languages[f].length;
if(act != len) {
this.console.error("LangString test failed: expected len " + len + "; actual len " + act + "; lang name " + f);
this.console.error(this.languages[f]);
return;
}
if(act != this.keyCodes.length * 2) {
this.console.error("KeyCodes and LangString test failed: expected lang string len " + this.keyCodes.length * 2 + "; actual len " + act + "; lang name " + f);
return;
}
}
}
,onready: function(e) {
this.document.removeEventListener("DOMContentLoaded",$bind(this,this.onready));
this.console.log("Duolingo input switcher is ready");
window.document.body.addEventListener("keydown",$bind(this,this.onKeyDown));
}
,onKeyDown: function(e) {
if(e.ctrlKey) {
return;
}
var pressedKeyCodeIndex = this.keyCodes.indexOf(e.code);
if(pressedKeyCodeIndex == -1) {
return;
}
var inputElt = e.target;
switch(inputElt.dataset.test) {
case "challenge-listen-input":case "challenge-listentap-input":case "challenge-name-input":
this.setLanguagePair("en","ru");
break;
case "challenge-text-input":
this.setLanguagePair("en","ru");
break;
case "challenge-translate-input":
this.nativeLanguage = "ru";
this.foreignLanguage = "en";
var lang = inputElt.getAttribute("lang");
if(lang == this.nativeLanguage) {
this.setLanguagePair("ru","en");
} else if(lang == this.foreignLanguage) {
this.setLanguagePair("en","ru");
}
break;
default:
return;
}
e.preventDefault();
this.replaceLetter(this.getLanguageLetter(this.targetLanguage,pressedKeyCodeIndex,e.shiftKey),inputElt);
this.callReactOnChange(inputElt);
}
,setLanguagePair: function(target,source) {
this.targetLanguage = target;
this.sourceLanguage = source;
}
,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,inputElt) {
var start = inputElt.selectionStart;
var end = inputElt.selectionEnd;
var phrase = inputElt.value;
phrase = phrase.substring(0,start) + letter + phrase.substring(end);
inputElt.value = phrase;
inputElt.setSelectionRange(start + 1,start + 1);
}
,callReactOnChange: function(elt) {
var _g = 0;
var _g1 = Reflect.fields(elt);
while(_g < _g1.length) {
var fieldName = _g1[_g];
++_g;
if(fieldName.indexOf("__reactEventHandlers") != -1) {
Reflect.field(elt,fieldName).onChange({ target : elt});
}
}
}
};
var Reflect = function() { };
Reflect.field = function(o,field) {
try {
return o[field];
} catch( e ) {
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 $_;
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);