ff1fa07267
* import options on demand * auto-grant declarativeContent * include lint configs and usercss template * simplify exportFile as crbug.com/798705 was fixed
346 lines
10 KiB
JavaScript
346 lines
10 KiB
JavaScript
/* global
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$
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$$
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$create
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API
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chromeSync
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cmFactory
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CodeMirror
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createLivePreview
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createMetaCompiler
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debounce
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editor
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linter
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messageBox
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MozSectionFinder
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MozSectionWidget
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prefs
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sectionsToMozFormat
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t
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*/
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'use strict';
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/* exported SourceEditor */
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function SourceEditor() {
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const {style, dirty} = editor;
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let savedGeneration;
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let placeholderName = '';
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let prevMode = NaN;
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$$.remove('.sectioned-only');
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$('#header').on('wheel', headerOnScroll);
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$('#sections').textContent = '';
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$('#sections').appendChild($create('.single-editor'));
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if (!style.id) setupNewStyle(style);
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const cm = cmFactory.create($('.single-editor'));
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const sectionFinder = MozSectionFinder(cm);
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const sectionWidget = MozSectionWidget(cm, sectionFinder, editor.updateToc);
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const livePreview = createLivePreview(preprocess, style.id);
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/** @namespace SourceEditor */
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Object.assign(editor, {
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sections: sectionFinder.sections,
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replaceStyle,
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getEditors: () => [cm],
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scrollToEditor: () => {},
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getEditorTitle: () => '',
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save,
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prevEditor: nextPrevSection.bind(null, -1),
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nextEditor: nextPrevSection.bind(null, 1),
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jumpToEditor(i) {
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const sec = sectionFinder.sections[i];
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if (sec) {
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sectionFinder.updatePositions(sec);
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jumpToPos(sec.start);
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}
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},
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closestVisible: () => cm,
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getSearchableInputs: () => [],
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updateLivePreview,
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});
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createMetaCompiler(cm, meta => {
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style.usercssData = meta;
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style.name = meta.name;
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style.url = meta.homepageURL || style.installationUrl;
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updateMeta();
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});
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updateMeta();
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cm.setValue(style.sourceCode);
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prefs.subscribeMany({
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'editor.linter': updateLinterSwitch,
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'editor.appliesToLineWidget': (k, val) => sectionWidget.toggle(val),
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'editor.toc.expanded': (k, val) => sectionFinder.onOff(editor.updateToc, val),
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}, {now: true});
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cm.clearHistory();
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cm.markClean();
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savedGeneration = cm.changeGeneration();
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cm.on('changes', () => {
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dirty.modify('sourceGeneration', savedGeneration, cm.changeGeneration());
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debounce(updateLivePreview, editor.previewDelay);
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});
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cm.on('optionChange', (cm, option) => {
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if (option !== 'mode') return;
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const mode = getModeName();
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if (mode === prevMode) return;
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prevMode = mode;
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linter.run();
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updateLinterSwitch();
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});
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debounce(linter.enableForEditor, 0, cm);
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if (!$.isTextInput(document.activeElement)) {
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cm.focus();
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}
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function preprocess(style) {
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return API.buildUsercss({
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styleId: style.id,
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sourceCode: style.sourceCode,
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assignVars: true
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})
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.then(({style: newStyle}) => {
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delete newStyle.enabled;
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return Object.assign(style, newStyle);
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});
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}
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function updateLivePreview() {
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if (!style.id) {
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return;
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}
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livePreview.update(Object.assign({}, style, {sourceCode: cm.getValue()}));
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}
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function updateLinterSwitch() {
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const el = $('#editor.linter');
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el.value = getCurrentLinter();
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const cssLintOption = $('[value="csslint"]', el);
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const mode = getModeName();
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if (mode !== 'css') {
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cssLintOption.disabled = true;
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cssLintOption.title = t('linterCSSLintIncompatible', mode);
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} else {
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cssLintOption.disabled = false;
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cssLintOption.title = '';
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}
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}
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function getCurrentLinter() {
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const name = prefs.get('editor.linter');
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if (cm.getOption('mode') !== 'css' && name === 'csslint') {
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return 'stylelint';
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}
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return name;
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}
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async function setupNewStyle(style) {
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style.sections[0].code = ' '.repeat(prefs.get('editor.tabSize')) +
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`/* ${t('usercssReplaceTemplateSectionBody')} */`;
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let section = sectionsToMozFormat(style);
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if (!section.includes('@-moz-document')) {
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style.sections[0].domains = ['example.com'];
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section = sectionsToMozFormat(style);
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}
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const DEFAULT_CODE = `
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/* ==UserStyle==
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@name ${''/* a trick to preserve the trailing spaces */}
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@namespace github.com/openstyles/stylus
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@version 1.0.0
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@description A new userstyle
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@author Me
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==/UserStyle== */
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`.replace(/^\s+/gm, '');
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dirty.clear('sourceGeneration');
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style.sourceCode = '';
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placeholderName = `${style.name || t('usercssReplaceTemplateName')} - ${new Date().toLocaleString()}`;
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let code = await chromeSync.getLZValue(chromeSync.LZ_KEY.usercssTemplate);
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code = code || DEFAULT_CODE;
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code = code.replace(/@name(\s*)(?=[\r\n])/, (str, space) =>
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`${str}${space ? '' : ' '}${placeholderName}`);
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// strip the last dummy section if any, add an empty line followed by the section
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style.sourceCode = code.replace(/\s*@-moz-document[^{]*{[^}]*}\s*$|\s+$/g, '') + '\n\n' + section;
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cm.startOperation();
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cm.setValue(style.sourceCode);
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cm.clearHistory();
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cm.markClean();
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cm.endOperation();
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dirty.clear('sourceGeneration');
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savedGeneration = cm.changeGeneration();
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}
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function updateMeta() {
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const name = style.customName || style.name;
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if (name !== placeholderName) {
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$('#name').value = name;
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}
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$('#enabled').checked = style.enabled;
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$('#url').href = style.url;
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editor.updateName();
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cm.setPreprocessor((style.usercssData || {}).preprocessor);
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}
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function replaceStyle(newStyle, codeIsUpdated) {
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dirty.clear('name');
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const sameCode = newStyle.sourceCode === cm.getValue();
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if (sameCode) {
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savedGeneration = cm.changeGeneration();
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dirty.clear('sourceGeneration');
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}
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if (codeIsUpdated === false || sameCode) {
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updateEnvironment();
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dirty.clear('enabled');
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updateLivePreview();
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return;
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}
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Promise.resolve(messageBox.confirm(t('styleUpdateDiscardChanges'))).then(ok => {
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if (!ok) return;
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updateEnvironment();
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if (!sameCode) {
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const cursor = cm.getCursor();
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cm.setValue(style.sourceCode);
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cm.setCursor(cursor);
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savedGeneration = cm.changeGeneration();
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}
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if (sameCode) {
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// the code is same but the environment is changed
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updateLivePreview();
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}
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dirty.clear();
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});
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function updateEnvironment() {
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if (style.id !== newStyle.id) {
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history.replaceState({}, '', `?id=${newStyle.id}`);
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}
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sessionStorage.justEditedStyleId = newStyle.id;
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Object.assign(style, newStyle);
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$('#preview-label').classList.remove('hidden');
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updateMeta();
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livePreview.show(Boolean(style.id));
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}
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}
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function save() {
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if (!dirty.isDirty()) return;
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const code = cm.getValue();
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return ensureUniqueStyle(code)
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.then(() => API.editSaveUsercss({
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id: style.id,
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enabled: style.enabled,
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sourceCode: code,
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customName: style.customName,
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}))
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.then(replaceStyle)
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.catch(err => {
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if (err.handled) return;
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const contents = Array.isArray(err) ?
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$create('pre', err.join('\n')) :
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[err.message || String(err)];
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if (Number.isInteger(err.index)) {
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const pos = cm.posFromIndex(err.index);
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const meta = drawLinePointer(pos);
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// save template
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if (err.code === 'missingValue' && meta.includes('@name')) {
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const key = chromeSync.LZ_KEY.usercssTemplate;
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messageBox.confirm(t('usercssReplaceTemplateConfirmation')).then(ok => ok &&
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chromeSync.setLZValue(key, code)
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.then(() => chromeSync.getLZValue(key))
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.then(saved => saved !== code && messageBox.alert(t('syncStorageErrorSaving'))));
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return;
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}
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contents[0] += ` (line ${pos.line + 1} col ${pos.ch + 1})`;
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contents.push($create('pre', meta));
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}
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messageBox.alert(contents, 'pre');
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});
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}
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function ensureUniqueStyle(code) {
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return style.id ? Promise.resolve() :
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API.buildUsercss({
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sourceCode: code,
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checkDup: true,
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metaOnly: true,
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}).then(({dup}) => {
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if (dup) {
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messageBox.alert(t('usercssAvoidOverwriting'), 'danger', t('genericError'));
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return Promise.reject({handled: true});
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}
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});
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}
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function drawLinePointer(pos) {
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const SIZE = 60;
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const line = cm.getLine(pos.line);
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const numTabs = pos.ch + 1 - line.slice(0, pos.ch + 1).replace(/\t/g, '').length;
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const pointer = ' '.repeat(pos.ch) + '^';
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const start = Math.max(Math.min(pos.ch - SIZE / 2, line.length - SIZE), 0);
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const end = Math.min(Math.max(pos.ch + SIZE / 2, SIZE), line.length);
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const leftPad = start !== 0 ? '...' : '';
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const rightPad = end !== line.length ? '...' : '';
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return (
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leftPad +
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line.slice(start, end).replace(/\t/g, ' '.repeat(cm.options.tabSize)) +
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rightPad +
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'\n' +
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' '.repeat(leftPad.length + numTabs * cm.options.tabSize) +
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pointer.slice(start, end)
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);
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}
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function nextPrevSection(dir) {
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// ensure the data is ready in case the user wants to jump around a lot in a large style
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sectionFinder.keepAliveFor(nextPrevSection, 10e3);
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sectionFinder.updatePositions();
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const {sections} = sectionFinder;
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const num = sections.length;
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if (!num) return;
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dir = dir < 0 ? -1 : 0;
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const pos = cm.getCursor();
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let i = sections.findIndex(sec => CodeMirror.cmpPos(sec.start, pos) > Math.min(dir, 0));
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if (i < 0 && (!dir || CodeMirror.cmpPos(sections[num - 1].start, pos) < 0)) {
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i = 0;
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}
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jumpToPos(sections[(i + dir + num) % num].start);
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}
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function jumpToPos(pos) {
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const coords = cm.cursorCoords(pos, 'page');
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const b = cm.display.wrapper.getBoundingClientRect();
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if (coords.top < b.top + cm.defaultTextHeight() * 2 ||
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coords.bottom > b.bottom - 100) {
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cm.scrollIntoView(pos, b.height / 2);
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}
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cm.setCursor(pos, null, {scroll: false});
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}
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function headerOnScroll({target, deltaY, deltaMode, shiftKey}) {
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while ((target = target.parentElement)) {
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if (deltaY < 0 && target.scrollTop ||
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deltaY > 0 && target.scrollTop + target.clientHeight < target.scrollHeight) {
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return;
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}
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}
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cm.display.scroller.scrollTop +=
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// WheelEvent.DOM_DELTA_LINE
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deltaMode === 1 ? deltaY * cm.defaultTextHeight() :
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// WheelEvent.DOM_DELTA_PAGE
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deltaMode === 2 || shiftKey ? Math.sign(deltaY) * cm.display.scroller.clientHeight :
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// WheelEvent.DOM_DELTA_PIXEL
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deltaY;
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}
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function getModeName() {
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const mode = cm.doc.mode;
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if (!mode) return '';
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return (mode.name || mode || '') +
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(mode.helperType || '');
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}
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}
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