368 lines
12 KiB
JavaScript
368 lines
12 KiB
JavaScript
'use strict';
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(() => {
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const FIREFOX = !chrome.app;
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const VIVALDI = chrome.app && /Vivaldi/.test(navigator.userAgent);
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const OPERA = chrome.app && /OPR/.test(navigator.userAgent);
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window.dispatchEvent(new CustomEvent(chrome.runtime.id + '-install'));
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window.addEventListener(chrome.runtime.id + '-install', orphanCheck, true);
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['Update', 'Install'].forEach(type =>
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['', 'Chrome', 'Opera'].forEach(browser =>
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document.addEventListener('stylish' + type + browser, onClick)));
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chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
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// orphaned content script check
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if (msg.method === 'ping') {
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sendResponse(true);
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}
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});
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new MutationObserver((mutations, observer) => {
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if (document.body) {
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observer.disconnect();
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// TODO: remove the following statement when USO pagination title is fixed
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document.title = document.title.replace(/^(\d+)&\w+=/, '#$1: ');
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chrome.runtime.sendMessage({
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method: 'getStyles',
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url: getMeta('stylish-id-url') || location.href
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}, checkUpdatability);
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}
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}).observe(document.documentElement, {childList: true});
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/* since we are using "stylish-code-chrome" meta key on all browsers and
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US.o does not provide "advanced settings" on this url if browser is not Chrome,
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we need to fix this URL using "stylish-update-url" meta key
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*/
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function getStyleURL() {
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const textUrl = getMeta('stylish-update-url') || '';
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const jsonUrl = getMeta('stylish-code-chrome') ||
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textUrl.replace(/styles\/(\d+)\/[^?]*/, 'styles/chrome/$1.json');
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const paramsMissing = !jsonUrl.includes('?') && textUrl.includes('?');
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return jsonUrl + (paramsMissing ? textUrl.replace(/^[^?]+/, '') : '');
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}
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function checkUpdatability([installedStyle]) {
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// TODO: remove the following statement when USO is fixed
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document.dispatchEvent(new CustomEvent('stylusFixBuggyUSOsettings', {
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detail: installedStyle && installedStyle.updateUrl,
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}));
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if (!installedStyle) {
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sendEvent('styleCanBeInstalledChrome');
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return;
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}
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const md5Url = getMeta('stylish-md5-url');
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if (md5Url && installedStyle.md5Url && installedStyle.originalMd5) {
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getResource(md5Url).then(md5 => {
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reportUpdatable(md5 !== installedStyle.originalMd5);
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});
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} else {
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getStyleJson().then(json => {
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reportUpdatable(!json ||
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!styleSectionsEqual(json, installedStyle));
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});
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}
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function reportUpdatable(isUpdatable) {
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sendEvent(
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isUpdatable
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? 'styleCanBeUpdatedChrome'
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: 'styleAlreadyInstalledChrome',
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{
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updateUrl: installedStyle.updateUrl
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}
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);
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}
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}
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function sendEvent(type, detail = null) {
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if (FIREFOX) {
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type = type.replace('Chrome', '');
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} else if (OPERA || VIVALDI) {
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type = type.replace('Chrome', 'Opera');
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}
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detail = {detail};
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if (typeof cloneInto !== 'undefined') {
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// Firefox requires explicit cloning, however USO can't process our messages anyway
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// because USO tries to use a global "event" variable deprecated in Firefox
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detail = cloneInto(detail, document); // eslint-disable-line no-undef
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}
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onDOMready().then(() => {
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document.dispatchEvent(new CustomEvent(type, detail));
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});
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}
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function onClick(event) {
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if (onClick.processing || !orphanCheck()) {
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return;
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}
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onClick.processing = true;
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(event.type.includes('Update') ? onUpdate() : onInstall())
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.then(done, done);
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function done() {
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setTimeout(() => {
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onClick.processing = false;
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});
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}
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}
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function onInstall() {
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return getResource(getMeta('stylish-description'))
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.then(name => saveStyleCode('styleInstall', name))
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.then(() => getResource(getMeta('stylish-install-ping-url-chrome')));
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}
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function onUpdate() {
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return new Promise((resolve, reject) => {
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chrome.runtime.sendMessage({
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method: 'getStyles',
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url: getMeta('stylish-id-url') || location.href,
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}, ([style]) => {
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saveStyleCode('styleUpdate', style.name, {id: style.id})
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.then(resolve, reject);
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});
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});
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}
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function saveStyleCode(message, name, addProps) {
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return new Promise((resolve, reject) => {
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const needsConfirmation = message === 'styleInstall' || !saveStyleCode.confirmed;
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if (needsConfirmation && !confirm(chrome.i18n.getMessage(message, [name]))) {
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reject();
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return;
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}
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saveStyleCode.confirmed = true;
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enableUpdateButton(false);
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getStyleJson().then(json => {
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if (!json) {
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prompt(chrome.i18n.getMessage('styleInstallFailed', ''),
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'https://github.com/openstyles/stylus/issues/195');
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return;
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}
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chrome.runtime.sendMessage(
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Object.assign(json, addProps, {
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method: 'saveStyle',
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reason: 'update',
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}),
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style => {
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if (message === 'styleUpdate' && style.updateUrl.includes('?')) {
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enableUpdateButton(true);
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} else {
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sendEvent('styleInstalledChrome');
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}
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}
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);
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resolve();
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});
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});
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function enableUpdateButton(state) {
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const important = s => s.replace(/;/g, '!important;');
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const button = document.getElementById('update_style_button');
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if (button) {
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button.style.cssText = state ? '' : important('pointer-events: none; opacity: .35;');
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const icon = button.querySelector('img[src*=".svg"]');
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if (icon) {
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icon.style.cssText = state ? '' : important('transition: transform 5s; transform: rotate(0);');
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if (state) {
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setTimeout(() => (icon.style.cssText += important('transform: rotate(10turn);')));
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}
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}
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}
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}
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}
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function getMeta(name) {
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const e = document.querySelector(`link[rel="${name}"]`);
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return e ? e.getAttribute('href') : null;
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}
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function getResource(url) {
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return new Promise(resolve => {
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if (url.startsWith('#')) {
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resolve(document.getElementById(url.slice(1)).textContent);
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} else {
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chrome.runtime.sendMessage({method: 'download', url}, resolve);
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}
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});
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}
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function getStyleJson() {
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const url = getStyleURL();
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return getResource(url).then(code => {
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try {
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return JSON.parse(code);
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} catch (e) {
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return fetch(url).then(r => r.json()).catch(() => null);
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}
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});
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}
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function styleSectionsEqual({sections: a}, {sections: b}) {
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if (!a || !b) {
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return undefined;
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}
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if (a.length !== b.length) {
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return false;
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}
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// order of sections should be identical to account for the case of multiple
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// sections matching the same URL because the order of rules is part of cascading
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return a.every((sectionA, index) => propertiesEqual(sectionA, b[index]));
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function propertiesEqual(secA, secB) {
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for (const name of ['urlPrefixes', 'urls', 'domains', 'regexps']) {
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if (!equalOrEmpty(secA[name], secB[name], 'every', arrayMirrors)) {
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return false;
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}
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}
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return equalOrEmpty(secA.code, secB.code, 'substr', (a, b) => a === b);
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}
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function equalOrEmpty(a, b, telltale, comparator) {
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const typeA = a && typeof a[telltale] === 'function';
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const typeB = b && typeof b[telltale] === 'function';
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return (
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(a === null || a === undefined || (typeA && !a.length)) &&
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(b === null || b === undefined || (typeB && !b.length))
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) || typeA && typeB && a.length === b.length && comparator(a, b);
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}
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function arrayMirrors(array1, array2) {
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return (
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array1.every(el => array2.includes(el)) &&
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array2.every(el => array1.includes(el))
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);
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}
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}
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function onDOMready() {
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if (document.readyState !== 'loading') {
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return Promise.resolve();
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}
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return new Promise(resolve => {
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document.addEventListener('DOMContentLoaded', function _() {
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document.removeEventListener('DOMContentLoaded', _);
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resolve();
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});
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});
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}
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function orphanCheck() {
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if (chrome.i18n && chrome.i18n.getUILanguage()) {
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return true;
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}
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// In Chrome content script is orphaned on an extension update/reload
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// so we need to detach event listeners
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window.removeEventListener(chrome.runtime.id + '-install', orphanCheck, true);
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['Update', 'Install'].forEach(type =>
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['', 'Chrome', 'Opera'].forEach(browser =>
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document.addEventListener('stylish' + type + browser, onClick)));
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}
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})();
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// TODO: remove the following statement when USO is fixed
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document.documentElement.appendChild(document.createElement('script')).text = '(' +
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function () {
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let settings;
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const originalResponseJson = Response.prototype.json;
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document.currentScript.remove();
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document.addEventListener('stylusFixBuggyUSOsettings', function _({detail}) {
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document.removeEventListener('stylusFixBuggyUSOsettings', _);
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settings = /\?/.test(detail) && new URLSearchParams(new URL(detail).search);
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if (!settings) {
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Response.prototype.json = originalResponseJson;
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}
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});
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Response.prototype.json = function (...args) {
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return originalResponseJson.call(this, ...args).then(json => {
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if (!settings || typeof ((json || {}).style_settings || {}).every !== 'function') {
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return json;
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}
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Response.prototype.json = originalResponseJson;
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const images = new Map();
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for (const jsonSetting of json.style_settings) {
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let value = settings.get('ik-' + jsonSetting.install_key);
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if (!value
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|| !jsonSetting.style_setting_options
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|| !jsonSetting.style_setting_options[0]) {
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continue;
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}
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if (value.startsWith('ik-')) {
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value = value.replace(/^ik-/, '');
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const defaultItem = jsonSetting.style_setting_options.find(item => item.default);
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if (!defaultItem || defaultItem.install_key !== value) {
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if (defaultItem) {
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defaultItem.default = false;
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}
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jsonSetting.style_setting_options.some(item => {
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if (item.install_key === value) {
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item.default = true;
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return true;
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}
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});
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}
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} else if (jsonSetting.setting_type === 'image') {
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jsonSetting.style_setting_options.some(item => {
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if (item.default) {
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item.default = false;
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return true;
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}
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});
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images.set(jsonSetting.install_key, value);
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} else {
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const item = jsonSetting.style_setting_options[0];
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if (item.value !== value && item.install_key === 'placeholder') {
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item.value = value;
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}
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}
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}
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if (images.size) {
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new MutationObserver((_, observer) => {
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if (!document.getElementById('style-settings')) {
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return;
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}
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observer.disconnect();
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for (const [name, url] of images.entries()) {
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const elRadio = document.querySelector(`input[name="ik-${name}"][value="user-url"]`);
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const elUrl = elRadio && document.getElementById(elRadio.id.replace('url-choice', 'user-url'));
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if (elUrl) {
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elUrl.value = url;
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}
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}
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}).observe(document, {childList: true, subtree: true});
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}
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return json;
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});
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};
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} + ')()';
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// TODO: remove the following statement when USO pagination is fixed
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if (location.search.includes('category=')) {
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document.addEventListener('DOMContentLoaded', function _() {
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document.removeEventListener('DOMContentLoaded', _);
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new MutationObserver((_, observer) => {
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if (!document.getElementById('pagination')) {
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return;
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}
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observer.disconnect();
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const category = '&' + location.search.match(/category=[^&]+/)[0];
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const links = document.querySelectorAll('#pagination a[href*="page="]:not([href*="category="])');
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for (let i = 0; i < links.length; i++) {
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links[i].href += category;
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}
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}).observe(document, {childList: true, subtree: true});
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});
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}
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