userscripts/Image Loader Placeholder Re...

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// ==UserScript==
// @name Image Loader Placeholder Remover
// @namespace blankie-scripts
// @match http*://*/*
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// @grant none
// @version 1.20.0
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// @author blankie
// @run-at document-end
// @description Removes image loading placeholders
// ==/UserScript==
"use strict";
const URL_RE_STR = "(?:https?://|\\.{0,2}/)\\S+";
const URL_RE = new RegExp(`^${URL_RE_STR}$`);
const SRCSET_COMPONENT = `${URL_RE_STR}(?:\\s+\\d+w|\\s+\\d+(?:\\.\\d+)?x)?`;
const SRCSET_RE = new RegExp(`^${SRCSET_COMPONENT}(?:,\\s*${SRCSET_COMPONENT})*$`);
function isUrlLike(url) {
// Example of ./path:
// - https://projects.apnews.com/features/2023/missing-students-chronic-absenteeism/index.html
return url && URL_RE.test(url);
}
function findUrl(element) {
if (window.location.host === "www.vice.com") {
let picture = element.parentElement;
let source = picture && picture.localName === "picture" ? picture.querySelector("source") : null;
if (source) {
return source.srcset;
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}
}
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// https://blog.google/
// https://blog.google/threat-analysis-group/active-north-korean-campaign-targeting-security-researchers/
if (window.location.host === "blog.google" && element.hasAttribute("data-loading")) {
let data = JSON.parse(element.getAttribute("data-loading"));
return data.desktop || data.mobile;
}
// Examples of data-src:
// - https://closeronline.co.uk
// - https://closeronline.co.uk/real-life/news/ever-used-excuses-documented-spreadsheet-man-used-expose-wife-s-lack-sex
// - https://daramiblog.com
// - https://daramiblog.com/how-to-group-irregular-verbs-for-more-efficient-learning/
// - https://www.bleepingcomputer.com/
// - https://www.bleepingcomputer.com/news/microsoft/windows-11-snipping-tool-privacy-bug-exposes-cropped-image-content/
// - https://blog.joshumax.me/general/2021/08/11/running-doom-on-captioncall.html
// - https://legendsoflocalization.com/common-problems-when-translating-games-into-japanese/
// - https://knowyourmeme.com/
// - https://knowyourmeme.com/memes/saddam-husseins-hiding-place
if (isUrlLike(element.dataset.src)) {
return element.dataset.src;
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}
for (let attr of element.attributes) {
// Examples of lazy:
// - https://daramiblog.com/
// - https://daramiblog.com/how-to-group-irregular-verbs-for-more-efficient-learning/
// - https://www.theautopian.com/
// - https://www.theautopian.com/nobody-wants-touch-screen-glove-box-latches-and-it-needs-to-stop-now/
// - https://vulcan.io/blog/
// - https://vulcan.io/blog/ai-hallucinations-package-risk
// Examples of src:
// - https://vulcan.io/blog/
// - https://vulcan.io/blog/ai-hallucinations-package-risk
// Examples of loading:
// - https://closeronline.co.uk
// - https://closeronline.co.uk/real-life/news/ever-used-excuses-documented-spreadsheet-man-used-expose-wife-s-lack-sex
// Examples of original:
// - https://www.pcgamer.com/
// - https://www.pcgamer.com/windows-95-theme-for-windows-10/
// Example of img-url:
// - https://www.makeuseof.com/windows-11-resize-taskbar/
if (!/lazy|src|loading|original|img-url/.test(attr.name) || attr.name === "src") {
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continue;
}
if (!isUrlLike(attr.value)) {
continue;
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}
return attr.value;
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}
return null;
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}
function findSrcset(element) {
for (let attr of element.attributes) {
// Examples of data-srcset:
// - https://www.cbsnews.com/
// - https://www.cbsnews.com/news/leonard-mack-exonerated-47-years-after-wrongful-rape-conviction/
if (/srcset/.test(attr.name) && attr.name !== "srcset" && SRCSET_RE.test(attr.value)) {
return attr.value;
}
}
return null;
}
function getLazyloaderClasses(element) {
let classes = [];
for (let className of element.classList) {
// Examples of loading:
// - https://closeronline.co.uk
// - https://closeronline.co.uk/real-life/news/ever-used-excuses-documented-spreadsheet-man-used-expose-wife-s-lack-sex
// Examples of lazy:
// - https://www.vice.com/en/article/dy73n7/ehallpass-1000-thousand-schools-monitor-bathroom
// - https://www.pcgamer.com/
// - https://www.pcgamer.com/windows-95-theme-for-windows-10/
// - https://www.theautopian.com/
// - https://www.theautopian.com/nobody-wants-touch-screen-glove-box-latches-and-it-needs-to-stop-now/
// - https://vulcan.io/blog/
// - https://vulcan.io/blog/ai-hallucinations-package-risk
// Examples of responsive:
// - https://www.vice.com/en/article/dy73n7/ehallpass-1000-thousand-schools-monitor-bathroom
// - https://www.wired.com (it's a parent of lazyloaded <img>s)
// - https://www.wired.com/story/researcher-fooled-a-google-ai-into-thinking-a-rifle-was-a-helicopter/ (it's a parent of lazyloaded <img>s)
// Examples of preload:
// - https://restofworld.org/
// - https://restofworld.org/2023/parent-facing-matchmaking-apps-china/
// Examples of placeholder:
// - https://theconversation.com
// - https://theconversation.com/yall-that-most-southern-of-southernisms-is-going-mainstream-and-its-about-time-193265
// Examples of image (though admittedly a hack for cloneLazyloaderTree):
// - https://restofworld.org/
// - https://restofworld.org/2023/parent-facing-matchmaking-apps-china/
if (/loading|lazy|responsive|preload|placeholder|image/.test(className)) {
classes.push(className);
}
}
return classes;
}
function getLazyloaderAttributes(element) {
let attributes = [];
for (let attr of element.attributes) {
// Examples of loading in name:
// - https://blog.google/
// - https://blog.google/threat-analysis-group/active-north-korean-campaign-targeting-security-researchers/
// Example of img in value:
// https://www.bloomberg.com/news/features/2023-05-11/the-plot-to-steal-the-secret-coke-can-liner-formula
if (/loading/.test(attr.name) || /img/.test(attr.value)) {
attributes.push(attr);
}
}
return attributes;
}
function cloneLazyloaderTree(element, elementLazyLoaderClasses) {
let topMostParent = null;
let followingTopMostParent = element.parentElement;
let bottomMostChild = null;
while (followingTopMostParent && followingTopMostParent.localName !== "body") {
let clone = document.createElement(followingTopMostParent.localName);
clone.classList.add(...getLazyloaderClasses(followingTopMostParent));
for (let attr of getLazyloaderAttributes(followingTopMostParent)) {
clone.setAttribute(attr.name, attr.value);
}
if (topMostParent) {
clone.append(topMostParent);
}
topMostParent = clone;
if (!bottomMostChild) {
bottomMostChild = clone;
}
followingTopMostParent = followingTopMostParent.parentElement;
}
let clone = document.createElement(element.localName);
clone.classList.add(...elementLazyLoaderClasses);
for (let attr of getLazyloaderAttributes(element)) {
clone.setAttribute(attr.name, attr.value);
}
if (bottomMostChild) {
bottomMostChild.append(clone);
bottomMostChild = clone;
} else {
topMostParent = bottomMostChild = clone;
}
return [topMostParent, bottomMostChild];
}
function unhideElement(element, lazyLoaderClasses) {
let style = getComputedStyle(element);
// Examples of opacity:
// - https://closeronline.co.uk
// - https://closeronline.co.uk/real-life/news/ever-used-excuses-documented-spreadsheet-man-used-expose-wife-s-lack-sex
// - https://www.vice.com/en/article/dy73n7/ehallpass-1000-thousand-schools-monitor-bathroom
// - https://daramiblog.com/
// - https://daramiblog.com/how-to-group-irregular-verbs-for-more-efficient-learning/
// - https://www.wired.com/
// - https://www.wired.com/story/researcher-fooled-a-google-ai-into-thinking-a-rifle-was-a-helicopter/
if (style.opacity === "0") {
element.style.opacity = 1;
}
// Examples of display:
// - https://closeronline.co.uk
// - https://closeronline.co.uk/real-life/news/ever-used-excuses-documented-spreadsheet-man-used-expose-wife-s-lack-sex
if (style.display === "none") {
element.style.display = "block";
}
// Example: https://www.makeuseof.com/windows-11-resize-taskbar/
if (window.location.host === "www.makeuseof.com") {
element.style.paddingBottom = 0;
}
// We check if the classes discriminate lazyloaded images, just in case
// We can't remove the lazyload classes from the image, because:
// - https://legendsoflocalization.com/japans-mysterious-love-of-the-word-lets/#why-lets-is-so-common
// - https://www.wired.com/story/why-do-printers-still-suck/
// However, some sites use the classes to blur and/or change the opacity of images
let [toRemove, toExamine] = cloneLazyloaderTree(element, lazyLoaderClasses);
document.body.append(toRemove);
let classStyle = getComputedStyle(toExamine);
// Example of opacity === "0.75":
// https://www.404media.co/welcome-to-404-media/
if (classStyle.opacity !== "1") {
element.style.opacity = 1;
}
// Examples of blur:
// - https://www.404media.co/welcome-to-404-media/
// - https://restofworld.org/
// - https://restofworld.org/2023/parent-facing-matchmaking-apps-china/
// - https://blog.google/
// - https://blog.google/threat-analysis-group/active-north-korean-campaign-targeting-security-researchers/
if (classStyle.filter.includes("blur(")) {
element.style.filter = classStyle.filter.replaceAll(/blur\(.+?\)/g, "blur(0px)");
}
toRemove.remove();
}
function wrapImage(img, url) {
if (img.closest("a")) {
return img;
}
let wrapper = document.createElement("a");
img.replaceWith(wrapper);
wrapper.href = url;
wrapper.append(img);
return wrapper;
}
function removePlaceholder(img) {
let parentElement = img.parentElement;
while (parentElement) {
// Examples of hidden parents:
// - https://www.wired.com/
// - https://www.wired.com/story/researcher-fooled-a-google-ai-into-thinking-a-rifle-was-a-helicopter/
let lazyLoaderClasses = getLazyloaderClasses(parentElement);
if (lazyLoaderClasses.length !== 0) {
unhideElement(parentElement, lazyLoaderClasses);
}
parentElement = parentElement.parentElement;
}
let picture = img.closest("picture");
// Example of a would've been viewable image being blurred:
// https://www.washingtonpost.com/nation/2023/07/21/ocean-color-changing-climate-change/
if (window.location.host === "www.washingtonpost.com") {
img.parentElement.style.filter = img.parentElement.style.filter.replaceAll(/blur\(.+?\)/g, "blur(0)");
}
let srcset = findSrcset(img);
let url = findUrl(img);
if (!url && !srcset) {
return;
}
let originalUrl = !srcset ? url : null;
if (url) {
if (window.location.host === "www.vice.com") {
img.style.filter = "none";
picture.style.opacity = 1;
let urlObject = new URL(url, window.location);
urlObject.search = "";
originalUrl = urlObject.href;
urlObject.search = "?resize=1024:*";
url = urlObject.href;
} else if (window.location.host === "closeronline.co.uk") {
let urlObject = new URL(url, window.location);
urlObject.search = "";
originalUrl = urlObject.href;
img.closest(".image-container").querySelector(".image-loading").remove();
} else if (window.location.host === "theconversation.com") {
let urlObject = new URL(url, window.location);
urlObject.search = "";
originalUrl = urlObject.href;
}
}
unhideElement(img, getLazyloaderClasses(img));
if (srcset) {
img.srcset = srcset;
}
if (url) {
img.src = url;
}
// apparently, remaining <source>s can fuck up image rendering (firefox still thinks that the <img> contains an empty image?)
// https://gizmodo.com/reddit-news-blackout-protest-is-finally-over-reddit-won-1850707509
// also, the above vice.com-specific condition had the below code
if (picture) {
for (let source of picture.querySelectorAll("source")) {
source.remove();
}
}
if (originalUrl) {
wrapImage(img, originalUrl);
}
}
for (let img of document.querySelectorAll("img")) {
removePlaceholder(img);
}
// the reason we check for mutations for 1s after the page loads is because of <noscript> elements being faked by umatrix
let observer = new MutationObserver(function (mutations) {
for (let mutation of mutations) {
if (mutation.type !== "childList") {
continue;
}
for (let node of mutation.addedNodes) {
if (node.nodeType !== 1) {
continue;
}
for (let img of node.querySelectorAll("img")) {
removePlaceholder(img);
}
}
}
});
observer.observe(document.body, {childList: true, subtree: true});
setTimeout(function() {
observer.disconnect();
}, 1000);
// https://www.wikihow.com/Tie-Your-Shoes
if (window.location.host === "www.wikihow.com") {
let style = document.createElement("style");
style.textContent = ".image {display: block !important}";
document.head.appendChild(style);
for (let videoPlayer of document.querySelectorAll(".video-player")) {
videoPlayer.querySelector(".m-video-controls").remove();
let video = videoPlayer.querySelector("video");
video.controls = 1;
video.src = `/video${video.dataset.src}`;
}
}
// https://www.forbes.com/
// https://www.forbes.com/sites/ewanspence/2023/08/30/fairphone-5-preview-android-sustainable-repairable-modular-android/
if (window.location.host === "www.forbes.com") {
for (let progressiveImage of document.querySelectorAll("progressive-image")) {
let url = progressiveImage.getAttribute("src") || progressiveImage.getAttribute("background-image");;
let img = document.createElement("img");
for (let attr of progressiveImage.attributes) {
img.setAttribute(attr.name, attr.value);
}
img.src = url;
img.append(...progressiveImage.childNodes);
let placeholder = progressiveImage.closest(".image-embed__placeholder");
if (placeholder) {
placeholder.style.height = "auto";
placeholder.style.paddingTop = 0;
}
progressiveImage.replaceWith(wrapImage(img, url));
}
}