修复vite翻译插件正则匹配问题
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@ -7,10 +7,9 @@ const __filename = fileURLToPath(import.meta.url);
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const __dirname = dirname(__filename);
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/**
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* Vite 插件：构建时直接读取 CSV，替换代码中的 t('xxx') 为翻译文本
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* 无需生成任何中间文件，直接从 CSV 读取并替换
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* Vite 插件：构建时直接读取 CSV，替换代码中的 $t('xxx') 为翻译文本
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* @param {object} options - 插件选项
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* @param {string} options.locale - 目标语言代码，从 vite.config.ts 传递
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* @param {string} options.locale - 目标语言代码
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*/
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function vitePluginTranslate(options = {}) {
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let translations = {};
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@ -18,109 +17,171 @@ function vitePluginTranslate(options = {}) {
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return {
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name: 'vite-plugin-translate',
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enforce: 'pre', // 在 Vue 插件之前执行，处理原始模板
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enforce: 'pre',
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configResolved(config) {
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// 直接读取 CSV 翻译文件（与后端共享同一数据源）
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if (locale && locale !== 'en') {
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const csvPath = path.resolve(__dirname, `../jcloud/translations/${locale}.csv`);
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if (fs.existsSync(csvPath)) {
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translations = parseCSV(csvPath);
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console.log(`[translate] Loaded ${Object.keys(translations).length} translations from ${csvPath}`);
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} else {
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console.warn(`[translate] CSV file not found: ${csvPath}, translations will not be replaced`);
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}
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}
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},
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transform(code, id) {
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// 只处理 .vue, .js, .ts 文件
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if (!/\.(vue|js|ts|jsx|tsx)$/.test(id)) {
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return null;
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}
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// 如果是英文，不替换
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if (locale === 'en') {
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return null;
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}
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// 如果翻译为空，警告但不阻止（可能 CSV 文件不存在，使用原文）
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if (Object.keys(translations).length === 0) {
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console.warn(`[translate] No translations loaded for locale: ${locale}, skipping replacement`);
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const fileMatches = /\.(vue|js|ts|jsx|tsx)(\?.*)?$/.test(id);
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if (!fileMatches || locale === 'en' || Object.keys(translations).length === 0) {
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return null;
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}
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let replaced = code;
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const isVueFile = id.endsWith('.vue');
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const isVueFile = id.includes('.vue') && !id.includes('?vue&type=style');
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if (isVueFile) {
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// 分离 <template> 和 <script> 部分，分别处理
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replaced = replaced.replace(
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/(<template[^>]*>)([\s\S]*?)(<\/template>)/gi,
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(templateMatch, openTag, templateContent, closeTag) => {
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// 在模板中替换 {{ $t('xxx') }} 为静态文本
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const replacedContent = templateContent.replace(
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/\{\{\s*\$t\((['"])([^'"]+)\1\)\s*\}\}/g,
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(match, quote, key) => {
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const translation = translations[key];
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if (translation) {
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return translation;
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}
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return match;
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}
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);
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return openTag + replacedContent + closeTag;
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}
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);
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const isTemplateModule = id.includes('?vue&type=template');
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// 替换 <script> 中的 this.$t('xxx') 为 this.$t('翻译')
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replaced = replaced.replace(
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/(<script[^>]*>)([\s\S]*?)(<\/script>)/gi,
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(scriptMatch, openTag, scriptContent, closeTag) => {
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// 在脚本中替换 $t('xxx') 为 $t('翻译')
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const replacedContent = scriptContent.replace(
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/\$t\((['"])([^'"]+)\1\)/g,
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(match, quote, key) => {
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const translation = translations[key];
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if (translation) {
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const escaped = translation
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.replace(/\\/g, '\\\\')
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.replace(/'/g, "\\'")
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.replace(/"/g, '\\"');
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return `$t(${quote}${escaped}${quote})`;
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}
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return match;
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}
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);
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return openTag + replacedContent + closeTag;
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}
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);
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if (isTemplateModule) {
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// Vue 编译后的模板模块
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replaced = replaceInterpolations(replaced, translations);
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replaced = replaceCompiledFormat(replaced, translations);
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replaced = replaceAttributeBindings(replaced, translations);
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} else {
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// 非 Vue 文件：替换 t('xxx') 为 '翻译'
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// 原始 Vue SFC 文件
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replaced = processVueSFC(replaced, translations);
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}
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} else {
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// 非 Vue 文件
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replaced = replaced.replace(
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/\bt\((['"])([^'"]+)\1\)/g,
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(match, quote, key) => {
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const translation = translations[key];
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if (translation) {
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const escaped = translation
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.replace(/\\/g, '\\\\')
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.replace(/'/g, "\\'")
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.replace(/"/g, '\\"');
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return quote + escaped + quote;
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}
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return match;
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return translation ? quote + escapeString(translation, quote) + quote : match;
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}
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);
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}
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if (replaced !== code) {
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return {
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code: replaced,
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map: null
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return replaced !== code ? { code: replaced, map: null } : null;
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}
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};
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}
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return null;
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/**
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* 处理 Vue SFC 文件
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*/
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function processVueSFC(code, translations) {
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// 处理 <template> 部分
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const templateRegex = /<template[^>]*>/gi;
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let templateMatch;
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while ((templateMatch = templateRegex.exec(code)) !== null) {
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const startIndex = templateMatch.index;
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const openTag = templateMatch[0];
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// 查找对应的 </template>，处理嵌套
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let depth = 1;
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let pos = templateRegex.lastIndex;
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let templateContent = '';
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while (depth > 0 && pos < code.length) {
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const nextOpen = code.indexOf('<template', pos);
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const nextClose = code.indexOf('</template>', pos);
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if (nextClose === -1) break;
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if (nextOpen !== -1 && nextOpen < nextClose) {
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depth++;
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pos = nextOpen + 9;
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} else {
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depth--;
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if (depth === 0) {
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templateContent = code.substring(templateRegex.lastIndex, nextClose);
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break;
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}
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};
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pos = nextClose + 11;
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}
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}
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if (depth === 0 && templateContent) {
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let replacedContent = templateContent;
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replacedContent = replaceInterpolations(replacedContent, translations);
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replacedContent = replaceAttributeBindings(replacedContent, translations);
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code = code.substring(0, startIndex) + openTag + replacedContent + '</template>' +
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code.substring(startIndex + openTag.length + templateContent.length + 11);
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break;
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}
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}
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// 处理 <script> 部分
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code = code.replace(
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/(<script[^>]*>)([\s\S]*?)(<\/script>)/gi,
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(match, openTag, scriptContent, closeTag) => {
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const replacedContent = scriptContent.replace(
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/\$t\((['"])([^'"]+)\1\)/g,
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(match, quote, key) => {
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const translation = translations[key];
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return translation ? `$t(${quote}${escapeString(translation, quote)}${quote})` : match;
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}
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);
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return openTag + replacedContent + closeTag;
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}
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);
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return code;
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}
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/**
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* 替换插值表达式 {{ $t('xxx') }}
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*/
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function replaceInterpolations(code, translations) {
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return code.replace(
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/\{\{\s*[\$]t\s*\(\s*(['"])([^'"]+)\1\s*\)\s*\}\}/g,
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(match, quote, key) => translations[key] || match
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);
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}
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/**
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* 替换 Vue 编译后的格式：_ctx.$t('xxx') 或 $t('xxx')
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*/
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function replaceCompiledFormat(code, translations) {
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return code.replace(
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/(_ctx\.)?[\$]t\((['"])([^'"]+)\2\)/g,
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(match, ctxPrefix, quote, key) => {
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const translation = translations[key];
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return translation ? quote + escapeString(translation, quote) + quote : match;
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}
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);
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}
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/**
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* 替换属性绑定中的 $t('xxx')
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*/
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function replaceAttributeBindings(code, translations) {
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return code.replace(
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/([:@]|v-bind:|v-on:)([a-zA-Z0-9_-]+)=(["'])[\$]?t\((['"])([^'"]+)\4\)\3/g,
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(match, prefix, attrName, outerQuote, innerQuote, key) => {
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const translation = translations[key];
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if (!translation || !translation.trim()) {
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return match;
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}
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let escaped = escapeString(translation, outerQuote);
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if (outerQuote === '"') {
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escaped = escaped.replace(/'/g, "\\'");
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return `${prefix}${attrName}="'${escaped}'"`;
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} else {
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escaped = escaped.replace(/"/g, '\\"');
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return `${prefix}${attrName}='"${escaped}"'`;
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}
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}
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);
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}
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/**
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* 转义字符串
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*/
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function escapeString(text, quote) {
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return text
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.replace(/\\/g, '\\\\')
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.replace(quote === '"' ? /"/g : /'/g, quote === '"' ? '\\"' : "\\'");
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}
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/**
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@ -172,17 +233,4 @@ function parseCSV(csvPath) {
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return translations;
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}
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/**
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* HTML 转义函数
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*/
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function escapeHtml(text) {
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return text
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''');
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}
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export default vitePluginTranslate;
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