464 lines
13 KiB
JavaScript
464 lines
13 KiB
JavaScript
/* global CodeMirror dirtyReporter initLint beautify showKeyMapHelp */
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/* global showToggleStyleHelp goBackToManage updateLintReportIfEnabled */
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/* global hotkeyRerouter setupAutocomplete */
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/* global editors */
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'use strict';
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function createSourceEditor(style) {
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// style might be an object reference to background page
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style = deepCopy(style);
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// draw HTML
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$('#sections').innerHTML = '';
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$('#name').disabled = true;
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$('#mozilla-format-heading').parentNode.remove();
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$('#sections').appendChild(
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$element({className: 'single-editor', appendChild: [
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$element({tag: 'textarea'})
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]})
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);
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// draw CodeMirror
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$('#sections textarea').value = style.sourceCode;
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const cm = CodeMirror.fromTextArea($('#sections textarea'));
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// too many functions depend on this global
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editors.push(cm);
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// dirty reporter
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const dirty = dirtyReporter();
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dirty.onChange(() => {
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const DIRTY = dirty.isDirty();
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document.body.classList.toggle('dirty', DIRTY);
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$('#save-button').disabled = !DIRTY;
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updateTitle();
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});
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// draw metas info
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updateMetas();
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initHooks();
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initLint();
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initAppliesToReport(cm);
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function initAppliesToReport(cm) {
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const APPLIES_TYPE = [
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[t('appliesUrlOption'), 'url'],
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[t('appliesUrlPrefixOption'), 'url-prefix'],
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[t('appliesDomainOption'), 'domain'],
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[t('appliesRegexpOption'), 'regexp']
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];
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const THROTTLE_DELAY = 400;
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let widgets = [];
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let timer;
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let fromLine;
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let toLine;
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let style;
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let isInit;
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const optionEl = buildOption();
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$('#options').insertBefore(optionEl, $('#options > .option.aligned'));
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if (prefs.get('editor.appliesToLineWidget')) {
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init();
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}
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prefs.subscribe(['editor.appliesToLineWidget'], (key, value) => {
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if (!isInit && value) {
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init();
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} else if (isInit && !value) {
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uninit();
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}
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optionEl.checked = value;
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});
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optionEl.addEventListener('change', e => {
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prefs.set('editor.appliesToLineWidget', e.target.checked);
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});
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function buildOption() {
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return $element({className: 'option', appendChild: [
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$element({
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tag: 'input',
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type: 'checkbox',
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id: 'editor.appliesToLineWidget',
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checked: prefs.get('editor.appliesToLineWidget')
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}),
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$element({
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tag: 'label',
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htmlFor: 'editor.appliesToLineWidget',
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textContent: ' ' + t('appliesLineWidgetLabel'),
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title: t('appliesLineWidgetWarning')
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})
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]});
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}
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function init() {
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isInit = true;
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style = getComputedStyle(cm.getGutterElement());
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fromLine = null;
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toLine = null;
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cm.on('change', onChange);
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cm.on('optionChange', onOptionChange);
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// is it possible to avoid flickering?
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window.addEventListener('load', updateStyle);
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update();
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}
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function uninit() {
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isInit = false;
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widgets.forEach(clearWidget);
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widgets.length = 0;
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cm.off('change', onChange);
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cm.off('optionChange', onOptionChange);
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window.removeEventListener('load', updateStyle);
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}
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function onChange(cm, {from, to, origin}) {
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if (origin === 'appliesTo') {
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return;
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}
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if (fromLine === null || toLine === null) {
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fromLine = from.line;
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toLine = to.line;
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} else {
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fromLine = Math.min(fromLine, from.line);
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toLine = Math.max(toLine, to.line);
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}
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clearTimeout(timer);
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timer = setTimeout(update, THROTTLE_DELAY);
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}
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function onOptionChange(cm, option) {
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if (option === 'theme') {
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updateStyle();
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}
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}
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function update() {
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cm.operation(doUpdate);
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}
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function updateStyle() {
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style = getComputedStyle(cm.getGutterElement());
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widgets.forEach(setWidgetStyle);
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}
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function setWidgetStyle(widget) {
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let borderStyle = '';
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if (style.borderRightWidth !== '0px') {
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borderStyle = `${style.borderRightWidth} ${style.borderRightStyle} ${style.borderRightColor}`;
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} else {
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borderStyle = `1px solid ${style.color}`;
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}
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widget.node.style.backgroundColor = style.backgroundColor;
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widget.node.style.borderTop = borderStyle;
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widget.node.style.borderBottom = borderStyle;
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}
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function doUpdate() {
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// find which widgets needs to be update
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// some widgets (lines) might be deleted
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widgets = widgets.filter(w => w.line.lineNo() !== null);
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let i = fromLine === null ? 0 : widgets.findIndex(w => w.line.lineNo() > fromLine) - 1;
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let j = toLine === null ? 0 : widgets.findIndex(w => w.line.lineNo() > toLine);
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if (i === -2) {
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i = widgets.length - 1;
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}
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if (j < 0) {
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j = widgets.length;
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}
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// decide search range
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const fromIndex = widgets[i] ? cm.indexFromPos({line: widgets[i].line.lineNo(), ch: 0}) : 0;
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const toIndex = widgets[j] ? cm.indexFromPos({line: widgets[j].line.lineNo(), ch: 0}) : cm.getValue().length;
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// splice
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if (i < 0) {
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i = 0;
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}
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widgets.splice(i, 0, ...createWidgets(fromIndex, toIndex, widgets.splice(i, j - i)));
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fromLine = null;
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toLine = null;
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}
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function *createWidgets(start, end, removed) {
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let i = 0;
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for (const section of findAppliesTo(start, end)) {
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while (removed[i] && removed[i].line.lineNo() < section.pos.line) {
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clearWidget(removed[i++]);
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}
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setupMarkers(section);
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if (removed[i] && removed[i].line.lineNo() === section.pos.line) {
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// reuse old widget
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removed[i].section.applies.forEach(apply => {
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apply.type.mark.clear();
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apply.value.mark.clear();
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});
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removed[i].section = section;
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const newNode = buildElement(section);
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removed[i].node.parentNode.replaceChild(newNode, removed[i].node);
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removed[i].node = newNode;
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setWidgetStyle(removed[i]);
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removed[i].changed();
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yield removed[i];
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i++;
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continue;
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}
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// new widget
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const widget = cm.addLineWidget(section.pos.line, buildElement(section), {
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coverGutter: true,
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noHScroll: true,
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above: true
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});
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widget.section = section;
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setWidgetStyle(widget);
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yield widget;
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}
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removed.slice(i).forEach(clearWidget);
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}
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function clearWidget(widget) {
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widget.clear();
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widget.section.applies.forEach(apply => {
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apply.type.mark.clear();
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apply.value.mark.clear();
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});
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}
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function setupMarkers({applies}) {
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for (const apply of applies) {
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apply.type.mark = cm.markText(
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cm.posFromIndex(apply.type.start),
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cm.posFromIndex(apply.type.end)
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);
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apply.value.mark = cm.markText(
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cm.posFromIndex(apply.value.start),
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cm.posFromIndex(apply.value.end)
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);
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}
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}
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function buildElement({applies}) {
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const el = $element({className: 'applies-to', appendChild: [
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$element({tag: 'label', appendChild: [
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t('appliesLabel'),
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// $element({tag: 'svg'})
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]}),
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$element({tag: 'ul', className: 'applies-to-list', appendChild: applies.map(apply =>
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$element({tag: 'li', appendChild: makeInput(apply)})
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)})
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]});
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if (!$('li', el)) {
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$('ul', el).appendChild($element({
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tag: 'li',
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className: 'applies-to-everything',
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textContent: t('appliesToEverything')
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}));
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}
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return el;
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}
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function makeInput(apply) {
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const typeInput = $element({
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tag: 'select',
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className: 'applies-type',
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appendChild: APPLIES_TYPE.map(([label, value]) => $element({
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tag: 'option',
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value: value,
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textContent: label
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})),
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onchange(e) {
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applyChange(apply.type, e.target.value);
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}
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});
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typeInput.value = apply.type.text;
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let timer;
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const valueInput = $element({
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tag: 'input',
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className: 'applies-value',
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value: apply.value.text,
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oninput(e) {
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clearTimeout(timer);
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timer = setTimeout(applyChange, THROTTLE_DELAY, apply.value, e.target.value);
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}
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});
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return [typeInput, valueInput];
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function applyChange(input, newText) {
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const range = input.mark.find();
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input.mark.clear();
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cm.replaceRange(newText, range.from, range.to, 'appliesTo');
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input.mark = cm.markText(
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range.from,
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cm.findPosH(
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range.from,
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newText.length,
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'char'
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)
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);
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input.text = newText;
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}
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}
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function *findAppliesTo(posStart, posEnd) {
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const text = cm.getValue();
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const re = /^[\t ]*@-moz-document\s+/mg;
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const applyRe = /^(url|url-prefix|domain|regexp)\(((['"])(?:\\\\|\\\n|\\\3|[^\n])*?\3|[^)\n]*)\)[\s,]*/i;
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let preIndex = re.lastIndex = posStart;
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let match;
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let pos = cm.posFromIndex(preIndex);
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while ((match = re.exec(text))) {
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if (match.index >= posEnd) {
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return;
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}
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pos = cm.findPosH(pos, match.index - preIndex, 'char');
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const applies = [];
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let t = text.slice(re.lastIndex);
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let m;
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let offset = 0;
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while ((m = t.match(applyRe))) {
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const apply = {
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type: {
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text: m[1]
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},
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value: {
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text: normalizeString(m[2])
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}
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};
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apply.type.start = re.lastIndex + offset;
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apply.type.end = apply.type.start + apply.type.text.length;
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apply.value.start = apply.type.end + (apply.value.text === m[2] ? 1 : 2);
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apply.value.end = apply.value.start + apply.value.text.length;
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applies.push(apply);
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t = t.slice(m[0].length);
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offset += m[0].length;
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}
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yield {pos, applies};
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preIndex = match.index;
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re.lastIndex = text.length - t.length;
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}
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}
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function normalizeString(s) {
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if (/^(['"])[\s\S]*\1$/.test(s)) {
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return s.slice(1, -1);
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}
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return s;
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}
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}
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function initHooks() {
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// sidebar commands
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$('#save-button').onclick = save;
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$('#beautify').onclick = beautify;
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$('#keyMap-help').onclick = showKeyMapHelp;
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$('#toggle-style-help').onclick = showToggleStyleHelp;
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$('#cancel-button').onclick = goBackToManage;
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// enable
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$('#enabled').onchange = e => {
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const value = e.target.checked;
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dirty.modify('enabled', style.enabled, value);
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style.enabled = value;
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};
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// source
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cm.on('change', () => {
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const value = cm.getValue();
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dirty.modify('source', style.sourceCode, value);
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style.sourceCode = value;
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updateLintReportIfEnabled(cm);
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});
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// hotkeyRerouter
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cm.on('focus', () => {
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hotkeyRerouter.setState(false);
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});
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cm.on('blur', () => {
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hotkeyRerouter.setState(true);
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});
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// autocomplete
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if (prefs.get('editor.autocompleteOnTyping')) {
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setupAutocomplete(cm);
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}
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}
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function updateMetas() {
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$('#name').value = style.name;
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$('#enabled').checked = style.enabled;
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$('#url').href = style.url;
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const {usercssData: {preprocessor}} = style;
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cm.setPreprocessor(preprocessor);
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// beautify only works with regular CSS
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$('#beautify').disabled = cm.getOption('mode') !== 'css';
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updateTitle();
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}
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function updateTitle() {
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// title depends on dirty and style meta
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document.title = (dirty.isDirty() ? '* ' : '') + t('editStyleTitle', [style.name]);
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}
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function replaceStyle(newStyle) {
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style = deepCopy(newStyle);
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updateMetas();
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if (style.sourceCode !== cm.getValue()) {
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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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}
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dirty.clear();
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}
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function updateStyleMeta(newStyle) {
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dirty.modify('enabled', style.enabled, newStyle.enabled);
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style.enabled = newStyle.enabled;
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}
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function toggleStyle() {
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const value = !style.enabled;
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dirty.modify('enabled', style.enabled, value);
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style.enabled = value;
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updateMetas();
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// save when toggle enable state?
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save();
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}
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function save() {
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if (!dirty.isDirty()) {
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return;
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}
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return onBackgroundReady()
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.then(() => BG.usercssHelper.save({
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reason: 'editSave',
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id: style.id,
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enabled: style.enabled,
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sourceCode: style.sourceCode
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}))
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.then(replaceStyle)
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.catch(err => {
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console.error(err);
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alert(err);
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});
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}
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return {
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replaceStyle,
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save,
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toggleStyle,
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updateStyleMeta,
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isDirty: dirty.isDirty,
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getStyle: () => style
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};
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}
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