b17eef4053
...if file access is allowed
426 lines
13 KiB
JavaScript
426 lines
13 KiB
JavaScript
/* global $ $create $createLink $$remove showSpinner */// dom.js
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/* global API */// msg.js
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/* global URLS closeCurrentTab deepEqual */// toolbox.js
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/* global messageBox */
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/* global prefs */
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/* global preinit */
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/* global t */// localization.js
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'use strict';
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let cm;
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let initialUrl;
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let installed;
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let installedDup;
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let liveReload;
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let tabId;
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let vars;
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// "History back" in Firefox (for now) restores the old DOM including the messagebox,
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// which stays after installing since we don't want to wait for the fadeout animation before resolving.
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document.on('visibilitychange', () => {
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$$remove('#message-box:not(.config-dialog)');
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if (installed) liveReload.onToggled();
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});
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setTimeout(() => !cm && showSpinner($('#header')), 200);
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/*
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* Preinit starts to download as early as possible,
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* then the critical rendering path scripts are loaded in html,
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* then the meta of the downloaded code is parsed in the background worker,
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* then CodeMirror scripts/css are added so they can load while the worker runs in parallel,
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* then the meta response arrives from API and is immediately displayed in CodeMirror,
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* then the sections of code are parsed in the background worker and displayed.
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*/
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(async function init() {
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const theme = prefs.get('editor.theme');
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if (theme !== 'default') {
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require([`/vendor/codemirror/theme/${theme}.css`]); // not awaiting as it may be absent
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}
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const scriptsReady = require([
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'/vendor/codemirror/lib/codemirror', /* global CodeMirror */
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]).then(() => require([
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'/vendor/codemirror/keymap/sublime',
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'/vendor/codemirror/keymap/emacs',
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'/vendor/codemirror/keymap/vim', // TODO: load conditionally
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'/vendor/codemirror/mode/css/css',
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'/vendor/codemirror/addon/search/searchcursor',
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'/vendor/codemirror/addon/fold/foldcode',
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'/vendor/codemirror/addon/fold/foldgutter',
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'/vendor/codemirror/addon/fold/brace-fold',
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'/vendor/codemirror/addon/fold/indent-fold',
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'/vendor/codemirror/addon/selection/active-line',
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'/vendor/codemirror/lib/codemirror.css',
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'/vendor/codemirror/addon/fold/foldgutter.css',
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'/js/cmpver', /* global compareVersion */
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'/js/sections-util', /* global styleCodeEmpty */
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'/js/color/color-converter',
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'/edit/codemirror-default.css',
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])).then(() => require([
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'/edit/codemirror-default',
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'/js/color/color-view',
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]));
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({tabId, initialUrl} = preinit);
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liveReload = initLiveReload();
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const [
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{dup, style, error, sourceCode},
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hasFileAccess,
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] = await Promise.all([
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preinit.ready,
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API.data.get('hasFileAccess'),
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]);
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if (!style && sourceCode == null) {
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messageBox.alert(isNaN(error) ? `${error}` : 'HTTP Error ' + error, 'pre');
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return;
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}
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await scriptsReady;
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cm = CodeMirror($('.main'), {
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value: sourceCode || style.sourceCode,
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readOnly: true,
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colorpicker: true,
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theme,
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});
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window.on('resize', adjustCodeHeight);
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if (error) {
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showBuildError(error);
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}
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if (!style) {
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return;
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}
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const data = style.usercssData;
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const dupData = dup && dup.usercssData;
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const versionTest = dup && compareVersion(data.version, dupData.version);
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updateMeta(style, dup);
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// update UI
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if (versionTest < 0) {
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$('.actions').parentNode.insertBefore(
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$create('.warning', t('versionInvalidOlder')),
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$('.actions')
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);
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}
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$('button.install').onclick = () => {
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(!dup ?
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Promise.resolve(true) :
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messageBox.confirm(t('styleInstallOverwrite', [
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data.name + (dup.customName ? ` (${dup.customName})` : ''),
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dupData.version,
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data.version,
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]))
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).then(ok => ok &&
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API.usercss.install(style)
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.then(install)
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.catch(err => messageBox.alert(t('styleInstallFailed', err), 'pre'))
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);
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};
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// set updateUrl
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const checker = $('.set-update-url input[type=checkbox]');
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const updateUrl = new URL(style.updateUrl || initialUrl);
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if (dup && dup.updateUrl === updateUrl.href) {
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checker.checked = true;
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// there is no way to "unset" updateUrl, you can only overwrite it.
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checker.disabled = true;
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} else if (updateUrl.protocol !== 'file:' || hasFileAccess) {
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checker.checked = true;
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style.updateUrl = updateUrl.href;
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}
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checker.onchange = () => {
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style.updateUrl = checker.checked ? updateUrl.href : null;
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};
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checker.onchange();
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$('.set-update-url p').textContent = updateUrl.href.length < 300 ? updateUrl.href :
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updateUrl.href.slice(0, 300) + '...';
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if (URLS.isLocalhost(initialUrl)) {
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$('.live-reload input').onchange = liveReload.onToggled;
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} else {
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$('.live-reload').remove();
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}
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})();
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function updateMeta(style, dup = installedDup) {
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installedDup = dup;
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const data = style.usercssData;
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const dupData = dup && dup.usercssData;
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const versionTest = dup && compareVersion(data.version, dupData.version);
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cm.setPreprocessor(data.preprocessor);
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const installButtonLabel = t(
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installed ? 'installButtonInstalled' :
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!dup ? 'installButton' :
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versionTest > 0 ? 'installButtonUpdate' : 'installButtonReinstall'
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);
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document.title = `${installButtonLabel} ${data.name}`;
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$('.install').textContent = installButtonLabel;
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$('.install').classList.add(
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installed ? 'installed' :
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!dup ? 'install' :
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versionTest > 0 ? 'update' :
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'reinstall');
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$('.set-update-url').title = dup && dup.updateUrl && t('installUpdateFrom', dup.updateUrl) || '';
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$('.meta-name').textContent = data.name;
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$('.meta-version').textContent = data.version;
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$('.meta-description').textContent = data.description;
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if (data.author) {
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$('.meta-author').parentNode.style.display = '';
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$('.meta-author').textContent = '';
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$('.meta-author').appendChild(makeAuthor(data.author));
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} else {
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$('.meta-author').parentNode.style.display = 'none';
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}
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$('.meta-license').parentNode.style.display = data.license ? '' : 'none';
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$('.meta-license').textContent = data.license;
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$('.applies-to').textContent = '';
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getAppliesTo(style).then(list =>
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$('.applies-to').append(...list.map(s => $create('li', s))));
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$('.external-link').textContent = '';
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const externalLink = makeExternalLink();
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if (externalLink) {
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$('.external-link').appendChild(externalLink);
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}
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Object.assign($('.configure-usercss'), {
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hidden: !data.vars,
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onclick: openConfigDialog,
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});
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if (!data.vars) {
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$$remove('#message-box.config-dialog');
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} else if (!deepEqual(data.vars, vars)) {
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vars = data.vars;
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// Use the user-customized vars from the installed style
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for (const [dk, dv] of Object.entries(dup && dupData.vars || {})) {
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const v = vars[dk];
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if (v && v.type === dv.type) {
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v.value = dv.value;
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}
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}
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openConfigDialog();
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}
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$('#header').dataset.arrivedFast = performance.now() < 500;
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$('#header').classList.add('meta-init');
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$('#header').classList.remove('meta-init-error');
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setTimeout(() => $$remove('.lds-spinner'), 1000);
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showError('');
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requestAnimationFrame(adjustCodeHeight);
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if (dup) enablePostActions();
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function makeAuthor(text) {
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const match = text.match(/^(.+?)(?:\s+<(.+?)>)?(?:\s+\((.+?)\))?$/);
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if (!match) {
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return document.createTextNode(text);
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}
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const [, name, email, url] = match;
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const frag = document.createDocumentFragment();
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if (email) {
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frag.appendChild($createLink(`mailto:${email}`, name));
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} else {
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frag.appendChild($create('span', name));
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}
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if (url) {
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frag.appendChild($createLink(url,
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$create('SVG:svg.svg-icon', {viewBox: '0 0 20 20'},
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$create('SVG:path', {
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d: 'M4,4h5v2H6v8h8v-3h2v5H4V4z M11,3h6v6l-2-2l-4,4L9,9l4-4L11,3z',
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}))
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));
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}
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return frag;
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}
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function makeExternalLink() {
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const urls = [
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data.homepageURL && [data.homepageURL, t('externalHomepage')],
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data.supportURL && [data.supportURL, t('externalSupport')],
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];
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return (data.homepageURL || data.supportURL) && (
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$create('div', [
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$create('h3', t('externalLink')),
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$create('ul', urls.map(args => args &&
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$create('li',
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$createLink(...args)
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)
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)),
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]));
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}
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async function openConfigDialog() {
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await require(['/js/dlg/config-dialog']); /* global configDialog */
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configDialog(style);
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}
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}
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function showError(err) {
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$('.warnings').textContent = '';
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$('.warnings').classList.toggle('visible', Boolean(err));
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$('.container').classList.toggle('has-warnings', Boolean(err));
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err = Array.isArray(err) ? err : [err];
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if (err[0]) {
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let i;
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if ((i = err[0].index) >= 0 ||
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(i = err[0].offset) >= 0) {
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cm.jumpToPos(cm.posFromIndex(i));
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cm.setSelections(err.map(e => {
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const pos = e.index >= 0 && cm.posFromIndex(e.index) || // usercss meta parser
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e.offset >= 0 && {line: e.line - 1, ch: e.col - 1}; // csslint code parser
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return pos && {anchor: pos, head: pos};
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}).filter(Boolean));
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cm.focus();
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}
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$('.warnings').appendChild(
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$create('.warning', [
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t('parseUsercssError'),
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'\n',
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...err.map(e => e.message ? $create('pre', e.message) : e || 'Unknown error'),
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]));
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}
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adjustCodeHeight();
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}
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function showBuildError(error) {
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$('#header').classList.add('meta-init-error');
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console.error(error);
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showError(error);
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}
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function install(style) {
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installed = style;
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$$remove('.warning');
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$('button.install').disabled = true;
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$('button.install').classList.add('installed');
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$('#live-reload-install-hint').classList.toggle('hidden', !liveReload.enabled);
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$('h2.installed').classList.add('active');
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$('.set-update-url input[type=checkbox]').disabled = true;
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$('.set-update-url').title = style.updateUrl ?
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t('installUpdateFrom', style.updateUrl) : '';
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enablePostActions();
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updateMeta(style);
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}
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function enablePostActions() {
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const {id} = installed || installedDup;
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sessionStorage.justEditedStyleId = id;
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$('h2.installed').hidden = !installed;
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$('.installed-actions').hidden = false;
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$('.installed-actions a[href*="edit.html"]').search = `?id=${id}`;
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$('#delete').onclick = async () => {
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if (await messageBox.confirm(t('deleteStyleConfirm'), 'danger center', t('confirmDelete'))) {
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await API.styles.delete(id);
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if (tabId < 0 && history.length > 1) {
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history.back();
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} else {
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closeCurrentTab();
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}
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}
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};
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}
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async function getAppliesTo(style) {
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if (style.sectionsPromise) {
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try {
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style.sections = await style.sectionsPromise;
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} catch (error) {
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showBuildError(error);
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return [];
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} finally {
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delete style.sectionsPromise;
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}
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}
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let numGlobals = 0;
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const res = [];
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const TARGETS = ['urls', 'urlPrefixes', 'domains', 'regexps'];
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for (const section of style.sections) {
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const targets = [].concat(...TARGETS.map(t => section[t]).filter(Boolean));
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res.push(...targets);
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numGlobals += !targets.length && !styleCodeEmpty(section.code);
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}
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res.sort();
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if (!res.length || numGlobals) {
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res.push(t('appliesToEverything'));
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}
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return [...new Set(res)];
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}
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function adjustCodeHeight() {
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// Chrome-only bug (apparently): it doesn't limit the scroller element height
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const scroller = cm.display.scroller;
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const prevWindowHeight = adjustCodeHeight.prevWindowHeight;
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if (scroller.scrollHeight === scroller.clientHeight ||
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prevWindowHeight && window.innerHeight !== prevWindowHeight) {
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adjustCodeHeight.prevWindowHeight = window.innerHeight;
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cm.setSize(null, $('.main').offsetHeight - $('.warnings').offsetHeight);
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}
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}
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function initLiveReload() {
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const DELAY = 500;
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let isEnabled = false;
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let timer = 0;
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const getData = preinit.getData;
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let sequence = preinit.ready;
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return {
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get enabled() {
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return isEnabled;
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},
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onToggled(e) {
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if (e) isEnabled = e.target.checked;
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if (installed || installedDup) {
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if (isEnabled) {
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check({force: true});
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} else {
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stop();
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}
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$('.install').disabled = isEnabled;
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Object.assign($('#live-reload-install-hint'), {
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hidden: !isEnabled,
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textContent: t(`liveReloadInstallHint${tabId >= 0 ? 'FF' : ''}`),
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});
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}
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},
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};
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function check(opts) {
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getData(opts)
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.then(update, logError)
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.then(() => {
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timer = 0;
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start();
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});
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}
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function logError(error) {
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console.warn(t('liveReloadError', error));
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}
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function start() {
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timer = timer || setTimeout(check, DELAY);
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}
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function stop() {
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clearTimeout(timer);
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timer = 0;
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}
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function update(code) {
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if (code == null) return;
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sequence = sequence.catch(console.error).then(() => {
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const {id} = installed || installedDup;
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const scrollInfo = cm.getScrollInfo();
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const cursor = cm.getCursor();
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cm.setValue(code);
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cm.setCursor(cursor);
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cm.scrollTo(scrollInfo.left, scrollInfo.top);
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return API.usercss.install({id, sourceCode: code})
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.then(updateMeta)
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.catch(showError);
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});
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}
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}
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