Mercurial > ec-userscripts

annotate tweetdeck-large-image.user.js @ 60:cd3ffdc31613

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Better null check
author nanaya <me@nanaya.pro>
date Sun, 05 May 2019 22:36:10 +0900
parents 960d452dea99
children 753765f3814e
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Edho Arief <me@myconan.net>
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1 // ==UserScript==
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2 // @name Tweetdeck large image
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3 // @namespace https://myconan.net
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4 // @version 2.0.2
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5 // @description No more stupid link for images in tweetdeck
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6 // @author nanaya
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7 // @match https://tweetdeck.twitter.com/*
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8 // @grant none
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9 // @downloadURL https://bitbucket.org/nanayapro/ec-userscripts/raw/tip/tweetdeck-large-image.user.js
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10 // ==/UserScript==
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12 ;(function() {
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13 "use strict";
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14
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15 // loop through passed nodes (or body if called without arguments)
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16 var run = function(nodes) {
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17 if (nodes == null) {
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18 nodes = [document.body];
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19 }
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20
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21 for (var i = 0; i < nodes.length; i++) {
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22 // first try fixing itself
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23 fix(nodes[i]);
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24
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25 // and then find all the links inside
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26 var links = nodes[i].querySelectorAll(".js-media-image-link");
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27
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28 for (var j = 0; j < links.length; j++) {
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29 fix(links[j]);
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30 }
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31 }
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32 };
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33
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34 var fix = function(link) {
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35 // basic sanity check
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36 if (!link.classList.contains("js-media-image-link")) {
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37 return;
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38 }
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39
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40 // don't run again if already run on passed link
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41 if (link._ecUserscript) {
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42 return;
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43 }
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44 link._ecUserscript = true;
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45
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46 var image = link.querySelector(".media-img");
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47 var url;
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48
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49 if (image == null) {
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50 // sometimes the image is just background image of the link.
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51 // strip all query strings and original :size suffix
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52 url = getComputedStyle(link).backgroundImage.replace(/^url\(('|")?(.+?)(?::small)?(?:\?.*)?\1\)$/, "$2");
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53 } else {
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54 url = image.src.replace(/:[a-z0-9]+(?:\?.*)?$/, "");
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55 }
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57 link.setAttribute("href", url + ":orig");
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58
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59 };
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61 var onMutate = function(mutations) {
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62 for (var mutation in mutations) {
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63 run(mutation.addedNodes);
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64 }
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65 };
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67 // the observer
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68 var observer = new MutationObserver(onMutate);
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70 // start the observer
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71 observer.observe(document, { childList: true, subtree: true});
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72 // initial run on existing document
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73 run();
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74 }).call();