Update Image Loader Placeholder Remover to 1.17.0

- Slightly simplify class and attribute finding code
- Selectively unapply/reverse CSS attributes from lazyloader classes
- Make images visible on www.washingtonpost.com
This commit is contained in:
blankie 2023-08-27 14:30:42 +10:00
parent ea7dcfd7dc
commit d319934631
Signed by: blankie
GPG Key ID: CC15FC822C7F61F5
1 changed files with 100 additions and 40 deletions

View File

@ -3,7 +3,7 @@
// @namespace blankie-scripts // @namespace blankie-scripts
// @match http*://*/* // @match http*://*/*
// @grant none // @grant none
// @version 1.16.2 // @version 1.17.0
// @author blankie // @author blankie
// @run-at document-end // @run-at document-end
// @description Removes image loading placeholders // @description Removes image loading placeholders
@ -59,7 +59,7 @@ function findUrl(element) {
// - https://www.pcgamer.com/windows-95-theme-for-windows-10/ // - https://www.pcgamer.com/windows-95-theme-for-windows-10/
// Example of img-url: // Example of img-url:
// - https://www.makeuseof.com/windows-11-resize-taskbar/ // - https://www.makeuseof.com/windows-11-resize-taskbar/
if (!attr.name.includes("lazy") && !(attr.name.includes("src") && attr.name !== "src") && !attr.name.includes("loading") && !attr.name.includes("original") && !attr.name.includes("img-url")) { if (/lazy|src|loading|original|img-url/.test(attr.name) && attr.name !== "src") {
continue; continue;
} }
if (!isUrlLike(attr.value)) { if (!isUrlLike(attr.value)) {
@ -71,34 +71,6 @@ function findUrl(element) {
return null; return null;
} }
function unhideElement(element) {
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;
}
}
function getLazyloaderClasses(element) { function getLazyloaderClasses(element) {
let classes = []; let classes = [];
@ -124,7 +96,10 @@ function getLazyloaderClasses(element) {
// Examples of placeholder: // Examples of placeholder:
// - https://theconversation.com // - https://theconversation.com
// - https://theconversation.com/yall-that-most-southern-of-southernisms-is-going-mainstream-and-its-about-time-193265 // - https://theconversation.com/yall-that-most-southern-of-southernisms-is-going-mainstream-and-its-about-time-193265
if (className.includes("loading") || className.includes("lazy") || className.includes("responsive") || className.includes("preload") || className.includes("placeholder")) { // 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); classes.push(className);
} }
} }
@ -132,6 +107,92 @@ function getLazyloaderClasses(element) {
return classes; return classes;
} }
function cloneLazyloaderTree(element, elementLazyLoaderClasses) {
let topMostParent = null;
let followingTopMostParent = element.parentElement;
let bottomMostChild = null;
while (followingTopMostParent.localName !== "body") {
let clone = document.createElement(followingTopMostParent.localName);
clone.classList.add(...getLazyloaderClasses(followingTopMostParent));
if (topMostParent) {
clone.append(topMostParent);
}
topMostParent = clone;
if (!bottomMostChild) {
bottomMostChild = clone;
}
followingTopMostParent = followingTopMostParent.parentElement;
}
let clone = document.createElement(element.localName);
clone.classList.add(...elementLazyLoaderClasses);
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/
if (classStyle.filter.includes("blur(")) {
element.style.filter = classStyle.filter.replaceAll(/blur\(.+?\)/g, "blur(0px)");
}
toRemove.remove();
}
function removePlaceholder(img) { function removePlaceholder(img) {
@ -144,17 +205,19 @@ function removePlaceholder(img) {
// - https://www.wired.com/story/researcher-fooled-a-google-ai-into-thinking-a-rifle-was-a-helicopter/ // - https://www.wired.com/story/researcher-fooled-a-google-ai-into-thinking-a-rifle-was-a-helicopter/
let lazyLoaderClasses = getLazyloaderClasses(parentElement); let lazyLoaderClasses = getLazyloaderClasses(parentElement);
if (lazyLoaderClasses.length !== 0) { if (lazyLoaderClasses.length !== 0) {
unhideElement(parentElement); unhideElement(parentElement, lazyLoaderClasses);
// Examples of pages with a blur applied to lazyloader classes:
// - https://restofworld.org/
// - https://restofworld.org/2023/parent-facing-matchmaking-apps-china/
parentElement.classList.remove(...lazyLoaderClasses);
} }
parentElement = parentElement.parentElement; parentElement = parentElement.parentElement;
} }
let picture = img.closest("picture"); 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 url = findUrl(img); let url = findUrl(img);
if (!url) { if (!url) {
return; return;
@ -183,10 +246,7 @@ function removePlaceholder(img) {
} }
img.src = url; img.src = url;
unhideElement(img); unhideElement(img, getLazyloaderClasses(img));
// commented out as some sites may visually break, such as:
// https://legendsoflocalization.com/japans-mysterious-love-of-the-word-lets/#why-lets-is-so-common
//img.classList.remove(...getLazyloaderClasses(img));
// apparently, remaining <source>s can fuck up image rendering (firefox still thinks that the <img> contains an empty image?) // 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 // https://gizmodo.com/reddit-news-blackout-protest-is-finally-over-reddit-won-1850707509