torsten/singlechat
1
0
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects Releases Wiki Activity

Enhance SEO meta tag handling in generateHTML function by improving regex patterns for description and keywords, ensuring proper insertion of new tags before closing head tag while preserving script tags, and adding detailed logging for HTML manipulation.

Browse Source
This commit is contained in:
Torsten Schulz (local)
2025-12-05 09:20:27 +01:00
parent 9ee288fd93
commit 6b0e905d27
1 changed files with 17 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
server/routes-seo.js
View File

@@ -42,20 +42,21 @@ function generateHTML(route, meta, __dirname) {
// Verwende die gebaute index.html (mit korrekten Asset-Pfaden von Vite)
let baseHTML = readFileSync(distIndexPath, 'utf-8');
console.log('[SEO] Gebaute HTML geladen, Länge:', baseHTML.length);
console.log('[SEO] Enthält Script-Tags:', baseHTML.includes('<script'));
// Ersetze Meta-Tags in der gebauten HTML
baseHTML = baseHTML.replace(/<title>.*?<\/title>/, `<title>${meta.title}</title>`);
// Ersetze oder füge description hinzu
if (baseHTML.includes('<meta name="description"')) {
baseHTML = baseHTML.replace(/<meta name="description"[^>]*>/, `<meta name="description" content="${meta.description}">`);
baseHTML = baseHTML.replace(/<meta name="description"[^>]*>/g, `<meta name="description" content="${meta.description}">`);
} else {
baseHTML = baseHTML.replace('</head>', ` <meta name="description" content="${meta.description}">\n</head>`);
}
// Ersetze oder füge keywords hinzu
if (baseHTML.includes('<meta name="keywords"')) {
baseHTML = baseHTML.replace(/<meta name="keywords"[^>]*>/, `<meta name="keywords" content="${meta.keywords}">`);
baseHTML = baseHTML.replace(/<meta name="keywords"[^>]*>/g, `<meta name="keywords" content="${meta.keywords}">`);
} else {
baseHTML = baseHTML.replace('</head>', ` <meta name="keywords" content="${meta.keywords}">\n</head>`);
}
@@ -73,18 +74,28 @@ function generateHTML(route, meta, __dirname) {
<meta name="twitter:image" content="${meta.ogImage}">
<link rel="canonical" href="${meta.ogUrl}">`;
// Entferne alte OG/Twitter/Canonical Tags falls vorhanden
// Entferne alte OG/Twitter/Canonical Tags falls vorhanden (nur Meta-Tags, keine Script-Tags!)
baseHTML = baseHTML.replace(/<meta property="og:[^>]*>/g, '');
baseHTML = baseHTML.replace(/<meta name="twitter:[^>]*>/g, '');
baseHTML = baseHTML.replace(/<link rel="canonical"[^>]*>/g, '');
// Füge neue Tags vor </head> ein
baseHTML = baseHTML.replace('</head>', `${ogTags}\n</head>`);
// Füge neue Tags vor </head> ein (aber NACH den Script-Tags!)
// Finde die Position von </head> und füge die Tags davor ein
const headEndIndex = baseHTML.indexOf('</head>');
if (headEndIndex !== -1) {
baseHTML = baseHTML.substring(0, headEndIndex) + ogTags + '\n' + baseHTML.substring(headEndIndex);
}
// Füge robots meta hinzu falls nicht vorhanden
if (!baseHTML.includes('<meta name="robots"')) {
baseHTML = baseHTML.replace('</head>', ` <meta name="robots" content="index, follow">\n</head>`);
const headEndIndex2 = baseHTML.indexOf('</head>');
if (headEndIndex2 !== -1) {
baseHTML = baseHTML.substring(0, headEndIndex2) + ` <meta name="robots" content="index, follow">\n` + baseHTML.substring(headEndIndex2);
}
}
console.log('[SEO] HTML nach Manipulation, Länge:', baseHTML.length);
console.log('[SEO] Enthält Script-Tags nach Manipulation:', baseHTML.includes('<script'));
return baseHTML;
}