♻️ Refactor code
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317
frontend/src/components/toolbar/BlockLanguageSelector.vue
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317
frontend/src/components/toolbar/BlockLanguageSelector.vue
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<script setup lang="ts">
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import { ref, computed, onMounted, onUnmounted } from 'vue';
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import { useI18n } from 'vue-i18n';
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import { SUPPORTED_LANGUAGES, type SupportedLanguage } from '@/views/editor/extensions/codeblock/types';
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const { t } = useI18n();
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// 组件状态
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const showLanguageMenu = ref(false);
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const searchQuery = ref('');
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const searchInputRef = ref<HTMLInputElement>();
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// 语言别名映射
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const LANGUAGE_ALIASES: Record<SupportedLanguage, string> = {
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text: 'txt',
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javascript: 'js',
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typescript: 'ts',
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python: 'py',
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html: 'htm',
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css: '',
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json: '',
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markdown: 'md',
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shell: 'sh',
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sql: '',
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yaml: 'yml',
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xml: '',
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php: '',
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java: '',
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cpp: 'c++',
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c: '',
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go: '',
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rust: 'rs',
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ruby: 'rb'
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};
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// 当前选中的语言
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const currentLanguage = ref<SupportedLanguage>('javascript');
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// 过滤后的语言列表
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const filteredLanguages = computed(() => {
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if (!searchQuery.value) {
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return SUPPORTED_LANGUAGES;
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}
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const query = searchQuery.value.toLowerCase();
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return SUPPORTED_LANGUAGES.filter(langId => {
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const alias = LANGUAGE_ALIASES[langId];
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return langId.toLowerCase().includes(query) ||
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(alias && alias.toLowerCase().includes(query));
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});
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});
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// 切换语言选择器显示状态
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const toggleLanguageMenu = () => {
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showLanguageMenu.value = !showLanguageMenu.value;
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};
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// 关闭语言选择器
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const closeLanguageMenu = () => {
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showLanguageMenu.value = false;
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searchQuery.value = '';
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};
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// 选择语言
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const selectLanguage = (languageId: SupportedLanguage) => {
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currentLanguage.value = languageId;
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closeLanguageMenu();
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// TODO: 这里后续需要调用实际的语言设置功能
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console.log('Selected language:', languageId);
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};
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// 点击外部关闭
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const handleClickOutside = (event: MouseEvent) => {
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const target = event.target as HTMLElement;
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if (!target.closest('.block-language-selector')) {
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closeLanguageMenu();
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}
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};
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// 键盘事件处理
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const handleKeydown = (event: KeyboardEvent) => {
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if (event.key === 'Escape') {
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closeLanguageMenu();
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}
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};
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onMounted(() => {
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document.addEventListener('click', handleClickOutside);
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document.addEventListener('keydown', handleKeydown);
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});
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onUnmounted(() => {
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document.removeEventListener('click', handleClickOutside);
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document.removeEventListener('keydown', handleKeydown);
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});
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// 获取当前语言的显示名称
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const getCurrentLanguageName = computed(() => {
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return currentLanguage.value;
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});
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</script>
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<template>
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<div class="block-language-selector">
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<button
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class="language-btn"
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:title="t('toolbar.blockLanguage')"
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@click="toggleLanguageMenu"
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>
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<span class="language-icon">
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<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<polyline points="16 18 22 12 16 6"></polyline>
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<polyline points="8 6 2 12 8 18"></polyline>
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</svg>
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</span>
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<span class="language-name">{{ getCurrentLanguageName }}</span>
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<span class="arrow" :class="{ 'open': showLanguageMenu }">▲</span>
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</button>
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<div class="language-menu" v-if="showLanguageMenu">
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<!-- 搜索框 -->
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<div class="search-container">
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<input
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ref="searchInputRef"
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v-model="searchQuery"
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type="text"
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class="search-input"
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:placeholder="t('toolbar.searchLanguage')"
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@keydown.stop
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/>
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<svg class="search-icon" xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<circle cx="11" cy="11" r="8"></circle>
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<path d="m21 21-4.35-4.35"></path>
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</svg>
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</div>
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<!-- 语言列表 -->
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<div class="language-list">
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<div
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v-for="language in filteredLanguages"
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:key="language"
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class="language-option"
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:class="{ 'active': currentLanguage === language }"
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@click="selectLanguage(language)"
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>
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<span class="language-name">{{ language }}</span>
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<span class="language-alias" v-if="LANGUAGE_ALIASES[language]">{{ LANGUAGE_ALIASES[language] }}</span>
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</div>
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<!-- 无结果提示 -->
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<div v-if="filteredLanguages.length === 0" class="no-results">
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{{ t('toolbar.noLanguageFound') }}
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</div>
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</div>
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</div>
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</div>
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</template>
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<style scoped lang="scss">
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.block-language-selector {
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position: relative;
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.language-btn {
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background: none;
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border: none;
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color: var(--text-muted);
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cursor: pointer;
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font-size: 11px;
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display: flex;
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align-items: center;
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gap: 3px;
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padding: 2px 4px;
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border-radius: 3px;
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&:hover {
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background-color: var(--border-color);
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opacity: 0.8;
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}
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.language-icon {
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display: flex;
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align-items: center;
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}
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.language-name {
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max-width: 60px;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.arrow {
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font-size: 8px;
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margin-left: 2px;
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transition: transform 0.2s ease;
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&.open {
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transform: rotate(180deg);
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}
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}
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}
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.language-menu {
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position: absolute;
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bottom: 100%;
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right: 0;
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background-color: var(--bg-secondary);
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border: 1px solid var(--border-color);
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border-radius: 3px;
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margin-bottom: 4px;
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width: 220px;
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max-height: 280px;
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z-index: 1000;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
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overflow: hidden;
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.search-container {
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position: relative;
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padding: 8px;
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border-bottom: 1px solid var(--border-color);
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.search-input {
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width: 100%;
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box-sizing: border-box;
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background-color: var(--bg-primary);
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border: 1px solid var(--border-color);
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border-radius: 2px;
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padding: 5px 8px 5px 26px;
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font-size: 11px;
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color: var(--text-primary);
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outline: none;
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line-height: 1.2;
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&:focus {
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border-color: var(--text-muted);
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}
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&::placeholder {
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color: var(--text-muted);
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}
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}
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.search-icon {
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position: absolute;
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left: 14px;
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top: 50%;
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transform: translateY(-50%);
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color: var(--text-muted);
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pointer-events: none;
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}
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}
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.language-list {
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max-height: 200px;
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overflow-y: auto;
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.language-option {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 6px 8px;
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cursor: pointer;
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font-size: 11px;
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&:hover {
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background-color: var(--border-color);
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opacity: 0.8;
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}
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&.active {
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background-color: rgba(181, 206, 168, 0.1);
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color: #b5cea8;
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.language-alias {
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color: rgba(181, 206, 168, 0.7);
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}
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}
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.language-name {
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font-weight: normal;
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}
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.language-alias {
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font-size: 10px;
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color: var(--text-muted);
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opacity: 0.6;
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}
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}
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.no-results {
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padding: 12px 8px;
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text-align: center;
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color: var(--text-muted);
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font-size: 11px;
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}
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}
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}
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}
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/* 自定义滚动条 */
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.language-list::-webkit-scrollbar {
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width: 4px;
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}
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.language-list::-webkit-scrollbar-track {
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background: transparent;
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}
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.language-list::-webkit-scrollbar-thumb {
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background-color: var(--border-color);
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border-radius: 2px;
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&:hover {
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background-color: var(--text-muted);
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}
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}
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</style>
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