297 lines
9.7 KiB
JavaScript
297 lines
9.7 KiB
JavaScript
/* global API */// msg.js
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'use strict';
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// eslint-disable-next-line no-unused-expressions
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/^\/styles\/(\d+)(\/([^/]*))?([?#].*)?$/.test(location.pathname) && (async () => {
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if (window.INJECTED_USO === 1) return;
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window.INJECTED_USO = 1;
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const usoId = RegExp.$1;
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const USO = 'https://userstyles.org';
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const apiUrl = `${USO}/api/v1/styles/${usoId}`;
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const md5Url = `https://update.userstyles.org/${usoId}.md5`;
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const CLICK = {
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customize: '.customize_button',
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install: '#install_style_button',
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uninstall: '#uninstall_style_button',
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update: '#update_style_button',
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};
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const CLICK_SEL = Object.values(CLICK).join(',');
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const pageEventId = `${performance.now()}${Math.random()}`;
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const contentEventId = pageEventId + ':';
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const orphanEventId = chrome.runtime.id; // id won't be available in the orphaned script
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const $ = (sel, base = document) => base.querySelector(sel);
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const toggleListener = (isOn, ...args) => (isOn ? addEventListener : removeEventListener)(...args);
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const togglePageListener = isOn => toggleListener(isOn, contentEventId, onPageEvent, true);
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const mo = new MutationObserver(onMutation);
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const observeColors = isOn =>
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isOn ? mo.observe(document.body, {subtree: true, attributes: true, attributeFilter: ['value']})
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: mo.disconnect();
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let style, dup, md5, pageData, badKeys;
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runInPage(inPageContext, pageEventId, contentEventId, usoId, apiUrl);
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addEventListener(orphanEventId, orphanCheck, true);
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addEventListener('click', onClick, true);
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togglePageListener(true);
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[md5, dup] = await Promise.all([
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fetch(md5Url).then(r => r.text()),
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API.styles.find({md5Url}, {installationUrl: `https://uso.kkx.one/style/${usoId}`})
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.then(sendVarsToPage),
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document.body || new Promise(resolve => addEventListener('load', resolve, {once: true})),
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]);
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if (!dup.id) {
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sendStylishEvent('styleCanBeInstalledChrome');
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} else if (dup.originalMd5 && dup.originalMd5 !== md5 || !dup.usercssData || !dup.md5Url) {
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// allow update if 1) changed, 2) is a classic USO style, 3) is from USO-archive
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sendStylishEvent('styleCanBeUpdatedChrome');
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} else {
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sendStylishEvent('styleAlreadyInstalledChrome');
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}
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async function onClick(e) {
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const el = e.target.closest(CLICK_SEL);
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if (!el) return;
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el.disabled = true;
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const {id} = dup;
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try {
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if (el.matches(CLICK.uninstall)) {
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dup = style = false;
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removeEventListener('change', onChange);
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await API.styles.delete(id);
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return;
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}
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if (el.matches(CLICK.customize)) {
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const isOn = dup && !$('#style-settings');
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toggleListener(isOn, 'change', onChange);
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observeColors(isOn);
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return;
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}
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e.stopPropagation();
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if (!style) await buildStyle();
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style = dup = await API.usercss.install(style, {
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dup: {id},
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vars: getPageVars(),
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});
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sendStylishEvent('styleInstalledChrome');
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API.uso.pingback(id);
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} catch (e) {
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alert(chrome.i18n.getMessage('styleInstallFailed', e.message || e));
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} finally {
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el.disabled = false;
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}
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}
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function onChange({target: el}) {
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if (dup && el.matches('[name^="ik-"], [type=file]')) {
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API.usercss.configVars(dup.id, getPageVars());
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}
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}
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function onMutation(mutations) {
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for (const {target: el} of mutations) {
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if (el.style.display === 'none' &&
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/^ik-/.test(el.name) &&
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/^#[\da-f]{6}$/.test(el.value)) {
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onChange({target: el});
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}
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}
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}
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function onPageEvent(e) {
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pageData = e.detail;
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togglePageListener(false);
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}
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async function buildStyle() {
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if (!pageData) pageData = await (await fetch(apiUrl)).json();
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({style, badKeys} = await API.uso.toUsercss(pageData, {varsUrl: dup.updateUrl}));
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Object.assign(style, {
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md5Url,
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id: dup.id,
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originalMd5: md5,
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updateUrl: apiUrl,
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});
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}
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function getPageVars() {
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const {vars} = (style || dup).usercssData;
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for (const el of document.querySelectorAll('[name^="ik-"]')) {
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const name = el.name.slice(3); // dropping "ik-"
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const ik = badKeys[name] || name;
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const v = vars[ik] || false;
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const isImage = el.type === 'radio';
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if (v && (!isImage || el.checked)) {
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const val = el.value;
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const isFile = val === 'user-upload';
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if (isImage && (isFile || val === 'user-url')) {
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const el2 = $(`[type=${isFile ? 'file' : 'url'}]`, el.parentElement);
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const ikCust = `${ik}-custom`;
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v.value = `${ikCust}-dropdown`;
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vars[ikCust].value = isFile ? getFileUriFromPage(el2) : el2.value;
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} else {
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v.value = v.type === 'select' ? val.replace(/^ik-/, '') : val;
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}
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}
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}
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return vars;
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}
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function getFileUriFromPage(el) {
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togglePageListener(true);
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sendPageEvent(el);
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return pageData;
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}
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function runInPage(fn, ...args) {
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const div = document.createElement('div');
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div.attachShadow({mode: 'closed'})
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.appendChild(document.createElement('script'))
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.textContent = `(${fn})(${JSON.stringify(args).slice(1, -1)})`;
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document.documentElement.appendChild(div).remove();
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}
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function sendPageEvent(data) {
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dispatchEvent(data instanceof Node
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? new MouseEvent(pageEventId, {relatedTarget: data})
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: new CustomEvent(pageEventId, {detail: data}));
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//* global cloneInto */// WARNING! Firefox requires cloning of an object `detail`
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}
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function sendStylishEvent(type) {
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document.dispatchEvent(new Event(type));
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}
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function sendVarsToPage(style) {
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if (style) {
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const vars = (style.usercssData || {}).vars || `${style.updateUrl}`.split('?')[1];
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if (vars) sendPageEvent('vars:' + JSON.stringify(vars));
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}
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return style || false;
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}
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function orphanCheck() {
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if (chrome.i18n) return true;
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removeEventListener(orphanEventId, orphanCheck, true);
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removeEventListener('click', onClick, true);
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removeEventListener('change', onChange);
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sendPageEvent('quit');
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observeColors(false);
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togglePageListener(false);
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}
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})();
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function inPageContext(eventId, eventIdHost, styleId, apiUrl) {
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window.isInstalled = true;
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const {dispatchEvent, CustomEvent, removeEventListener} = window;
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const apply = Map.call.bind(Map.apply);
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const CR = chrome.runtime;
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const {sendMessage} = CR;
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const RP = Response.prototype;
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const origJson = RP.json;
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let done, vars;
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CR.sendMessage = function (id, msg, opts, cb = opts) {
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if (id === 'fjnbnpbmkenffdnngjfgmeleoegfcffe' &&
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msg && msg.type === 'deleteStyle' &&
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typeof cb === 'function') {
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cb(true);
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} else {
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return sendMessage(...arguments);
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}
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};
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RP.json = async function () {
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const res = await apply(origJson, this, arguments);
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try {
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if (!done && this.url === apiUrl) {
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RP.json = origJson;
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done = true; // will be used if called by another script that saved our RP.json hook
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send(res);
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setVars(res);
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}
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} catch (e) {}
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return res;
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};
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addEventListener(eventId, onCommand, true);
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function onCommand(e) {
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if (e.detail === 'quit') {
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removeEventListener(eventId, onCommand, true);
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CR.sendMessage = sendMessage;
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RP.json = origJson;
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done = true;
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} else if (/^vars:/.test(e.detail)) {
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vars = JSON.parse(e.detail.slice(5));
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} else if (e.relatedTarget) {
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send(e.relatedTarget.uploadedData);
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}
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}
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function send(data) {
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dispatchEvent(new CustomEvent(eventIdHost, {__proto: null, detail: data}));
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}
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function setVars(json) {
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const images = new Map();
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const isNew = typeof vars === 'object';
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const badKeys = {};
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const newKeys = [];
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const makeKey = ({install_key: key}) => {
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let res = isNew ? badKeys[key] : key;
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if (!res) {
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res = key.replace(/[^-\w]/g, '-');
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res += newKeys.includes(res) ? '-' : '';
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if (key !== res) {
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badKeys[key] = res;
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newKeys.push(res);
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}
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}
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return res;
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};
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if (!isNew) vars = new URLSearchParams(vars);
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for (const ss of json.style_settings || []) {
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const ik = makeKey(ss);
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let value = isNew ? (vars[ik] || {}).value : vars.get('ik-' + ik);
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if (value == null || !(ss.style_setting_options || [])[0]) {
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continue;
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}
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if (ss.setting_type === 'image') {
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let isListed;
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for (const opt of ss.style_setting_options) {
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isListed |= opt.default = (opt.value === value);
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}
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images.set(ik, {url: isNew && !isListed ? vars[`${ik}-custom`].value : value, isListed});
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} else if (value.startsWith('ik-') || isNew && vars[ik].type === 'select') {
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value = value.replace(/^ik-/, '');
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const def = ss.style_setting_options.find(item => item.default);
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if (!def || makeKey(def) !== value) {
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if (def) def.default = false;
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for (const item of ss.style_setting_options) {
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if (makeKey(item) === value) {
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item.default = true;
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break;
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}
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}
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}
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} else {
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const item = ss.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) return;
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new MutationObserver((_, observer) => {
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if (!document.getElementById('style-settings')) return;
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observer.disconnect();
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for (const [name, {url, isListed}] of images) {
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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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elRadio.checked = !isListed;
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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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}
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