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优化vite翻译插件，增加处理对象字面量中的翻译支持

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jingrow 2025-12-29 22:06:59 +08:00
parent 86a7d6de98
commit 27310a009c
1 changed files with 29 additions and 0 deletions
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29
dashboard/vite-plugin-translate.mjs
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@ -193,6 +193,8 @@ function processVueSFC(code, translations) {
replacedContent = replaceAttributeBindings(replacedContent, translations);
// 处理属性绑定中的数组字面量，如 :items="[{ label: $t('key'), ... }]"
replacedContent = replaceAttributeArrayLiterals(replacedContent, translations);
// 处理属性绑定中的对象字面量，如 :options="{ title: $t('key'), ... }"
replacedContent = replaceAttributeObjectLiterals(replacedContent, translations);
code = code.substring(0, startIndex) + openTag + replacedContent + CONSTANTS.VUE_TEMPLATE_CLOSE_TAG +
code.substring(startIndex + openTag.length + templateContent.length + CONSTANTS.VUE_TEMPLATE_CLOSE_TAG_LEN);
@ -415,6 +417,33 @@ function replaceAttributeArrayLiterals(code, translations) {
);
}
/**
* 替换属性绑定中对象字面量内的 $t('xxx')
* 例如：:options="{ title: $t('key'), actions: [...] }"
*/
function replaceAttributeObjectLiterals(code, translations) {
// 匹配属性绑定中的对象字面量，如 :options="{ ... }"
// 需要处理嵌套的大括号
return code.replace(
/([:@]|v-bind:|v-on:)([a-zA-Z0-9_-]+)=(["'])\{([\s\S]*?)\}\3/g,
(match, prefix, attrName, outerQuote, objectContent) => {
// 在对象内容中查找并替换所有 $t() 调用，直接替换为翻译文本
const replacedContent = objectContent.replace(
/(\w+:\s*)\$t\((['"])((?:\\.|(?!\2).)*)\2\)/g,
(m, keyPrefix, quote, key) => {
const unescapedKey = unescapeString(key);
const translation = translations[unescapedKey];
if (!translation || !translation.trim()) return m;
// 直接替换为翻译文本字符串，转义引号
const escaped = escapeString(translation, quote);
return `${keyPrefix}${quote}${escaped}${quote}`;
}
);
return `${prefix}${attrName}=${outerQuote}{${replacedContent}}${outerQuote}`;
}
);
}
/**
* 去除字符串中的转义字符（将 \' 转换为 '，\" 转换为 " 等）
*/