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When EDITING a txti (txti.es/*/edit) in txti.es you should be able to preview your changes (a toggle preview button appears)
// ==UserScript==
// @name Markdown Preview in txti
// @namespace https://gist.github.com/AeonFr/f44a8b6f175d059f8328638a6a30ce4d
// @version 0.1
// @description When EDITING a txti (txti.es/*/edit) in txti.es you should be able to preview your changes (a toggle preview button appears)
// @author Francisco Cano
// @match http://txti.es/*/edit
// @grant none
// @run-at document-end
// @require https://cdnjs.cloudflare.com/ajax/libs/showdown/1.3.0/showdown.min.js
// ==/UserScript==
(function() {
'use strict';
function _(selector){
return document.querySelector(selector);
}
window.addEventListener('load', function(){
initMarkdownPreview();
});
var converter = false;
function initMarkdownPreview(){
if( _('#content-input') ){
var elt = document.createElement('div'),
converter = new showdown.Converter();
elt.id = 'content-preview';
elt.style.display = 'none';
_('#create-a-txti').insertBefore(elt, _('#content-input'));
var contentToMarkdownPreviewer = function(){
var result = converter.makeHtml( _('#content-input').value );
elt.innerHTML = result;
};
_('#content-input').addEventListener('keyup', contentToMarkdownPreviewer);
// Fire the conversion the first time, when page is loaded
contentToMarkdownPreviewer();
var elt2 = document.createElement('div');
elt2.innerHTML = '<a href="content-input" action="toggle-preview">Toggle Preview</a>';
_('#create-a-txti').insertBefore(elt2, _('#content-preview'));
elt2.addEventListener('click', function(e){
e.preventDefault();
if ( _('#content-input').style.display != 'none' ){
_('#content-input').style.display = 'none';
_('#content-preview').style.display = 'block';
}else{
_('#content-input').style.display = 'block';
_('#content-preview').style.display = 'none';
}
});
}
}
})();