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doc_ai_frontend/src/lib/seoHelper.ts

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2026-02-05 18:22:30 +08:00
import { Language } from './translations';
interface SEOContent {
title: string;
description: string;
keywords: string;
}
const seoContent: Record<Language, SEOContent> = {
zh: {
title: '⚡️ TexPixel - 公式识别工具',
description: '在线公式识别工具,支持印刷体和手写体数学公式识别,快速准确地将图片中的数学公式转换为可编辑文本。',
keywords: '公式识别,数学公式,OCR,手写公式识别,印刷体识别,AI识别,数学工具,免费,混合文字识别,texpixel,TexPixel',
},
en: {
title: '⚡️ TexPixel - Formula Recognition Tool',
description: 'Online formula recognition tool supporting printed and handwritten math formulas. Convert images to LaTeX, MathML, and Markdown quickly and accurately.',
keywords: 'formula recognition,math formula,OCR,handwriting recognition,latex,mathml,markdown,AI recognition,math tool,free,texpixel,TexPixel,document recognition',
},
};
/**
* Update document metadata based on current language
*/
export function updatePageMeta(language: Language): void {
const content = seoContent[language];
// Update title
document.title = content.title;
// Update HTML lang attribute
document.documentElement.lang = language === 'zh' ? 'zh-CN' : 'en';
// Update meta description
const metaDescription = document.querySelector('meta[name="description"]');
if (metaDescription) {
metaDescription.setAttribute('content', content.description);
}
// Update meta keywords
const metaKeywords = document.querySelector('meta[name="keywords"]');
if (metaKeywords) {
metaKeywords.setAttribute('content', content.keywords);
}
// Update Open Graph meta tags
const ogTitle = document.querySelector('meta[property="og:title"]');
if (ogTitle) {
ogTitle.setAttribute('content', content.title);
}
const ogDescription = document.querySelector('meta[property="og:description"]');
if (ogDescription) {
ogDescription.setAttribute('content', content.description);
}
// Update Twitter Card meta tags
const twitterTitle = document.querySelector('meta[name="twitter:title"]');
if (twitterTitle) {
twitterTitle.setAttribute('content', content.title);
}
const twitterDescription = document.querySelector('meta[name="twitter:description"]');
if (twitterDescription) {
twitterDescription.setAttribute('content', content.description);
}
// Update og:locale
const ogLocale = document.querySelector('meta[property="og:locale"]');
if (ogLocale) {
ogLocale.setAttribute('content', language === 'zh' ? 'zh_CN' : 'en_US');
}
}
/**
* Get SEO content for a specific language
*/
export function getSEOContent(language: Language): SEOContent {
return seoContent[language];
}