Dev.to Image Lightbox

Add image lightbox to dev.to

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        Dev.to Image Lightbox
// @version     1.0
// @description Add image lightbox to dev.to
// @license     MIT
// @author      Parsa Kafi
// @namespace   https://github.com/parsakafi
// @include     https://dev.to/*
// @run-at      document-idle
// @grant       none
// @icon        https://dev.to/favicon.ico
// ==/UserScript==

(function () {
    'use strict';

    var bodyElement = document.getElementsByTagName('body')[0],
     bodyImages = document.getElementsByClassName('article-body-image-wrapper');

    var imageModalStyleSheet = document.createElement('style')
    imageModalStyleSheet.innerHTML = "body.active-modal-image{overflow-y:hidden;height: 100%;}#image-modal{display:none;overflow:auto;position:fixed;width:100%;height:100vh;background-color:#fff;z-index:2000;top:0;left:0}#image-modal.display-modal{display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:-webkit-flex;display:flex;align-items:center;justify-content:center}#image-modal>img{max-width:100%;height:auto;margin:10px;display:block;-webkit-animation-name:zoom;-webkit-animation-duration:.6s;animation-name:zoom;animation-duration:.6s}@-webkit-keyframes zoom{from{-webkit-transform:scale(0)}to{-webkit-transform:scale(1)}}@keyframes zoom{from{transform:scale(0)}to{transform:scale(1)}}#image-modal>button{border:1px solid #0d1219;color:#fff;background-color:#141f2d;position:absolute;right:30px;top:30px;font-size:1.2em;padding:0 10px 5px;cursor:pointer;z-index:5}body.night-theme #image-modal{background-color:#0d1219}";
    document.body.appendChild(imageModalStyleSheet);

    var imageModalElement = createModalElement('<div id="image-modal"><img src="" /><button id="hide-image-modal">x</button></div>');
    document.body.insertBefore(imageModalElement, document.body.childNodes[0]);
    var imageModal = document.getElementById('image-modal');

    document.getElementById('hide-image-modal').addEventListener("click", function () {
        toggleImageModal();
    });

    for (var i = 0; i < bodyImages.length; i++) {
        (function (index) {
            bodyImages[index].addEventListener("click", function (event) {
                event.preventDefault();
                imageModal.children[0].setAttribute("src", bodyImages[index].getAttribute('href'));
                toggleImageModal();
            })
        })(i);
    }

    function toggleImageModal(){
        bodyElement.classList.toggle("active-modal-image");
        imageModal.classList.toggle("display-modal");
    }

    function createModalElement(htmlStr) {
        var frag = document.createDocumentFragment(),
            temp = document.createElement('div');
        temp.innerHTML = htmlStr;
        while (temp.firstChild) {
            frag.appendChild(temp.firstChild);
        }
        return frag;
    }
})();