Change: simpler styleCodeEmpty

background/background.js

@@ -1,6 +1,6 @@
 /* global detectSloppyRegexps download prefs openURL FIREFOX CHROME VIVALDI
   openEditor debounce URLS ignoreChromeError queryTabs getTab
-  usercss styleManager db msg navigatorUtil iconUtil */
+  styleManager db msg navigatorUtil iconUtil workerUtil */
 'use strict';
 
 // eslint-disable-next-line no-var

background/style-manager.js

@@ -1,5 +1,5 @@
 /* eslint no-eq-null: 0, eqeqeq: [2, "smart"] */
-/* global createCache db calcStyleDigest db tryRegExp
+/* global createCache db calcStyleDigest db tryRegExp styleCodeEmpty
   getStyleWithNoCode msg */
 /* exported styleManager */
 'use strict';
@@ -351,7 +351,7 @@ const styleManager = (() => {
     let code = '';
     for (const section of data.sections) {
       if (urlMatchSection(url, section)) {
-        if (!isCodeEmpty(section.code)) {
+        if (!styleCodeEmpty(section.code)) {
           code += section.code;
         }
       }
@@ -359,16 +359,6 @@ const styleManager = (() => {
     return code;
   }
 
-  function isCodeEmpty(code) {
-    const rx = /\s+|\/\*[\s\S]*?\*\/|@namespace[^;]+;|@charset[^;]+;/giy;
-    while (rx.exec(code)) {
-      if (rx.lastIndex === code.length) {
-        return true;
-      }
-    }
-    return false;
-  }
-
   function prepare() {
     return db.exec('getAll').then(event => {
       const styleList = event.target.result;

edit/edit.js

@@ -1,9 +1,9 @@
 /* global CodeMirror onDOMready prefs setupLivePrefs $ $$ $create t tHTML
   createSourceEditor queryTabs sessionStorageHash getOwnTab FIREFOX API tryCatch
-  closeCurrentTab messageBox debounce
+  closeCurrentTab messageBox debounce workerUtil
   beautify
   moveFocus msg createSectionsEditor rerouteHotkeys */
-/* exported showCodeMirrorPopup */
+/* exported showCodeMirrorPopup editorWorker */
 'use strict';
 
 const editorWorker = workerUtil.createWorker({

edit/linter-meta.js

@@ -1,4 +1,4 @@
-/* global linter API editorWorker */
+/* global linter editorWorker */
 /* exported createMetaCompiler */
 'use strict';
 

edit/sections-editor.js

@@ -1,7 +1,7 @@
 /* global dirtyReporter showHelp prefs ignoreChromeError
   CodeMirror propertyToCss
   regExpTester linter createLivePreview showCodeMirrorPopup
-  sectionsToMozFormat editorWorker messageBox clipString beautify
+  sectionsToMozFormat messageBox clipString beautify
   rerouteHotkeys cmFactory CssToProperty template $ $$ $create t FIREFOX API
   debounce tryRegExp
 */

js/meta-parser.js

@@ -1,8 +1,8 @@
 /* global usercssMeta colorConverter */
+/* exported metaParser */
 'use strict';
 
-// eslint-disable-next-line no-var
+const metaParser = (() => {
-var metaParser = (() => {
   const {createParser, ParseError} = usercssMeta;
   const PREPROCESSORS = new Set(['default', 'uso', 'stylus', 'less']);
   const options = {

js/sections-util.js

@@ -1,27 +1,14 @@
-/* exported styleSectionsEqual */
+/* exported styleSectionsEqual styleCodeEmpty */
 'use strict';
 
-const RX_NAMESPACE = /\s*(@namespace\s+(?:\S+\s+)?url\(http:\/\/.*?\);)\s*/g;
-const RX_CHARSET = /\s*@charset\s+(['"]).*?\1\s*;\s*/g;
-const RX_CSS_COMMENTS = /\/\*[\s\S]*?(?:\*\/|$)/g;
-
 function styleCodeEmpty(code) {
-  // Collect the global section if it's not empty, not comment-only, not namespace-only.
+  const rx = /\s+|\/\*[\s\S]*?\*\/|@namespace[^;]+;|@charset[^;]+;/giy;
-  const cmtOpen = code && code.indexOf('/*');
+  while (rx.exec(code)) {
-  if (cmtOpen >= 0) {
+    if (rx.lastIndex === code.length) {
-    const cmtCloseLast = code.lastIndexOf('*/');
+      return true;
-    if (cmtCloseLast < 0) {
-      code = code.substr(0, cmtOpen);
-    } else {
-      code = code.substr(0, cmtOpen) +
-        code.substring(cmtOpen, cmtCloseLast + 2).replace(RX_CSS_COMMENTS, '') +
-        code.substr(cmtCloseLast + 2);
     }
   }
-  if (!code || !code.trim()) return true;
+  return false;
-  if (code.includes('@namespace')) code = code.replace(RX_NAMESPACE, '').trim();
-  if (code.includes('@charset')) code = code.replace(RX_CHARSET, '').trim();
-  return !code;
 }
 
 /**

js/usercss.js

@@ -1,4 +1,4 @@
-/* global loadScript semverCompare colorConverter styleCodeEmpty backgroundWorker */
+/* global backgroundWorker */
 /* exported usercss */
 'use strict';
 

js/worker-util.js

@@ -1,8 +1,8 @@
 /* global importScripts */
+/* exported workerUtil */
 'use strict';
 
-// eslint-disable-next-line no-var
+const workerUtil = (() => {
-var workerUtil = (() => {
   const loadedScripts = new Set();
   return {createWorker, createAPI, loadScript, cloneError};