refactor: change theme handling to support element-ui scss variables

src/app.scss

@@ -8,12 +8,14 @@
 // For a copy, see <https://opensource.org/licenses/MIT>.
 //
 
-@use "./assets/scss/flags.scss";
-@use "./assets/scss/animated-emoji.scss";
+$--font-path: '~element-ui/lib/theme-chalk/fonts';
+
+@use './assets/scss/flags.scss';
+@use './assets/scss/animated-emoji.scss';
 
 @import '~animate.css/animate.min.css';
 @import '~noty/lib/noty.css';
-@import '~element-ui/lib/theme-chalk/index.css';
+@import '~element-ui/packages/theme-chalk/src/index';
 
 .color-palettes {
     background: #409eff;

src/shared/constants/index.js

@@ -9,3 +9,4 @@ export * from './user';
 export * from './instance';
 export * from './world';
 export * from './moderation';
+export * from './themes';

src/shared/constants/themes.js

@@ -0,0 +1,39 @@
+export const THEME_CONFIG = {
+    system: {
+        cssFile: '',
+        requiresDarkBase: false,
+        isDark: 'system',
+        name: 'System'
+    },
+    light: {
+        cssFile: '',
+        requiresDarkBase: false,
+        isDark: false,
+        name: 'Light'
+    },
+    dark: { cssFile: '', requiresDarkBase: true, isDark: true, name: 'Dark' },
+    darkvanillaold: {
+        cssFile: 'theme.darkvanillaold.css',
+        requiresDarkBase: true,
+        isDark: true,
+        name: 'Dark Vanilla Old'
+    },
+    darkvanilla: {
+        cssFile: 'theme.darkvanilla.css',
+        requiresDarkBase: true,
+        isDark: true,
+        name: 'Dark Vanilla'
+    },
+    pink: {
+        cssFile: 'theme.pink.css',
+        requiresDarkBase: true,
+        isDark: true,
+        name: 'Pink'
+    },
+    material3: {
+        cssFile: 'theme.material3.css',
+        requiresDarkBase: true,
+        isDark: true,
+        name: 'Material 3'
+    }
+};

src/shared/utils/base/ui.js

@@ -1,5 +1,6 @@
 import { storeToRefs } from 'pinia';
 import { useAppearanceSettingsStore } from '../../../stores';
+import { THEME_CONFIG } from '../../constants';
 
 /**
  *
@@ -21,43 +22,10 @@ function changeAppDarkStyle(isDark) {
     }
 }
 
-/**
- *
- * @param {string} themeMode
- * @returns
- */
 function changeAppThemeStyle(themeMode) {
-    const themeStyle = {};
-    switch (themeMode) {
-        case 'light':
-            themeStyle.href = '';
-            break;
-        case 'dark':
-            themeStyle.href = '';
-            break;
-        case 'darkvanillaold':
-            themeStyle.href = 'theme.darkvanillaold.css';
-            break;
-        case 'darkvanilla':
-            themeStyle.href = 'theme.darkvanilla.css';
-            break;
-        case 'pink':
-            themeStyle.href = 'theme.pink.css';
-            break;
-        case 'material3':
-            themeStyle.href = 'theme.material3.css';
-            break;
-        case 'system':
-            themeStyle.href = '';
-            break;
-    }
+    const themeConfig = THEME_CONFIG[themeMode];
+    if (!themeConfig) return;
 
-    /**
-     * prevents flickering
-     * giving absolute paths does prevent flickering
-     * when switching from another dark theme to 'dark' theme
-     * <del>works on my machine</del>
-     */
     let filePathPrefix = 'file://vrcx/';
     if (LINUX) {
         filePathPrefix = './';
@@ -70,38 +38,35 @@ function changeAppThemeStyle(themeMode) {
         $appThemeStyle.rel = 'stylesheet';
         document.head.appendChild($appThemeStyle);
     }
-    $appThemeStyle.href = themeStyle.href
-        ? `${filePathPrefix}${themeStyle.href}`
+    $appThemeStyle.href = themeConfig.cssFile
+        ? `${filePathPrefix}${themeConfig.cssFile}`
         : '';
 
     let $appThemeDarkStyle = document.getElementById('app-theme-dark-style');
-
     const darkThemeCssPath = `${filePathPrefix}theme.dark.css`;
+    const shouldApplyDarkBase =
+        themeConfig.requiresDarkBase ||
+        (themeMode === 'system' && systemIsDarkMode());
 
-    if (!$appThemeDarkStyle && themeMode !== 'light') {
-        if (themeMode === 'system' && !systemIsDarkMode()) {
-            return;
+    if (shouldApplyDarkBase) {
+        if (!$appThemeDarkStyle) {
+            $appThemeDarkStyle = document.createElement('link');
+            $appThemeDarkStyle.setAttribute('id', 'app-theme-dark-style');
+            $appThemeDarkStyle.rel = 'stylesheet';
+            $appThemeDarkStyle.href = darkThemeCssPath;
+            document.head.insertBefore($appThemeDarkStyle, $appThemeStyle);
+        } else if ($appThemeDarkStyle.href !== darkThemeCssPath) {
+            $appThemeDarkStyle.href = darkThemeCssPath;
         }
-        $appThemeDarkStyle = document.createElement('link');
-        $appThemeDarkStyle.setAttribute('id', 'app-theme-dark-style');
-        $appThemeDarkStyle.rel = 'stylesheet';
-        $appThemeDarkStyle.href = darkThemeCssPath;
-        document.head.insertBefore($appThemeDarkStyle, $appThemeStyle);
     } else {
-        if (themeMode === 'system' && systemIsDarkMode()) {
-            if ($appThemeDarkStyle.href === darkThemeCssPath) {
-                return;
-            }
-            $appThemeDarkStyle.href = darkThemeCssPath;
-        } else if (themeMode !== 'light' && themeMode !== 'system') {
-            if ($appThemeDarkStyle.href === darkThemeCssPath) {
-                return;
-            }
-            $appThemeDarkStyle.href = darkThemeCssPath;
-        } else {
-            $appThemeDarkStyle && $appThemeDarkStyle.remove();
-        }
+        $appThemeDarkStyle && $appThemeDarkStyle.remove();
     }
+
+    let isDarkForExternalApp = themeConfig.isDark;
+    if (isDarkForExternalApp === 'system') {
+        isDarkForExternalApp = systemIsDarkMode();
+    }
+    changeAppDarkStyle(isDarkForExternalApp);
 }
 
 /**

src/views/Settings/Settings.vue

@@ -340,40 +340,12 @@
                             </el-button>
                             <el-dropdown-menu>
                                 <el-dropdown-item
-                                    @click.native="saveThemeMode('system')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_system')
-                                    "></el-dropdown-item>
-                                <el-dropdown-item
-                                    @click.native="saveThemeMode('light')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_light')
-                                    "></el-dropdown-item>
-                                <el-dropdown-item
-                                    @click.native="saveThemeMode('dark')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_dark')
-                                    "></el-dropdown-item>
-                                <el-dropdown-item
-                                    @click.native="saveThemeMode('darkvanilla')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_darkvanilla')
-                                    "></el-dropdown-item>
-                                <el-dropdown-item
-                                    @click.native="saveThemeMode('darkvanillaold')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_darkvanillaold')
-                                    "></el-dropdown-item>
-                                <el-dropdown-item
-                                    @click.native="saveThemeMode('pink')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_pink')
-                                    "></el-dropdown-item>
-                                <el-dropdown-item
-                                    @click.native="saveThemeMode('material3')"
-                                    v-text="
-                                        t('view.settings.appearance.appearance.theme_mode_material3')
-                                    "></el-dropdown-item>
+                                    v-for="(config, themeKey) in THEME_CONFIG"
+                                    :key="themeKey"
+                                    @click.native="saveThemeMode(themeKey)"
+                                    :class="{ 'is-active': themeMode === themeKey }">
+                                    {{ t(`view.settings.appearance.appearance.theme_mode_${themeKey}`) }}
+                                </el-dropdown-item>
                             </el-dropdown-menu>
                         </el-dropdown>
                     </div>
@@ -1885,6 +1857,7 @@
     import FeedFiltersDialog from './dialogs/FeedFiltersDialog.vue';
     import AvatarProviderDialog from './dialogs/AvatarProviderDialog.vue';
     import { openExternalLink } from '../../shared/utils';
+    import { THEME_CONFIG } from '../../shared/constants';
 
     const { messages, t } = useI18n();
     const { $message } = getCurrentInstance().proxy;

webpack.config.js

@@ -64,7 +64,14 @@ module.exports = (env, argv) => {
                     use: [
                         MiniCssExtractPlugin.loader,
                         'css-loader',
-                        'sass-loader'
+                        {
+                            loader: 'sass-loader',
+                            options: {
+                                sassOptions: {
+                                    quietDeps: true
+                                }
+                            }
+                        }
                     ]
                 },
                 {
@@ -77,7 +84,13 @@ module.exports = (env, argv) => {
             ]
         },
         devServer: {
-            port: 9000
+            port: 9000,
+            client: {
+                overlay: {
+                    warnings: false,
+                    errors: true
+                }
+            }
         },
         resolve: {
             extensions: ['.js', '.vue', '.css', '.scss'],