Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | import { writeFile } from 'node:fs/promises';
import { fileURLToPath } from 'node:url';
import path from 'node:path';
/**
* Astro integration that generates Netlify _headers file at build time.
* Replaces gatsby-plugin-netlify header generation functionality.
*/
export default function netlifyHeaders() {
return {
name: 'astro-netlify-headers',
hooks: {
'astro:build:done': async ({ dir }) => {
const outDir = fileURLToPath(dir);
const headersPath = path.join(outDir, '_headers');
const headers = buildHeaders();
await writeFile(headersPath, headers, 'utf-8');
console.log('[astro-netlify-headers] Generated _headers file');
},
},
};
}
function buildHeaders() {
const rules = [
// Security headers for all paths
{
path: '/*',
headers: [
'X-Frame-Options: DENY',
'X-XSS-Protection: 1; mode=block',
'X-Content-Type-Options: nosniff',
'Referrer-Policy: same-origin',
],
},
// HTML files - no cache
{
path: '/*.html',
headers: ['Cache-Control: public, max-age=0, must-revalidate'],
},
// JSON files - no cache
{
path: '/*.json',
headers: ['Cache-Control: public, max-age=0, must-revalidate'],
},
// Astro hashed assets (replaces Gatsby per-file entries)
{
path: '/_astro/*',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
// Static assets
{
path: '/static/*',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
{
path: '/assets/*',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
{
path: '/favicons/*',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
{
path: '/icons/*',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
{
path: '/fonts/*',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
// JS/CSS with cache busting
{
path: '/**/*.js',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
{
path: '/**/*.css',
headers: ['Cache-Control: public, max-age=31536000, immutable'],
},
// Service Worker - no cache
{
path: '/sw.js',
headers: [
'Cache-Control: public, max-age=0, must-revalidate',
'Content-Type: application/javascript',
],
},
// llms.txt
{
path: '/llms.txt',
headers: [
'X-Robots-Tag: noindex',
'Content-Type: text/plain; charset=utf-8',
],
},
// Sitemap index - always fresh
{
path: '/sitemap-index.xml',
headers: [
'Content-Type: application/xml; charset=utf-8',
'Cache-Control: public, max-age=0, must-revalidate',
],
},
// Sitemap posts - 1 hour cache
{
path: '/sitemap-posts.xml',
headers: [
'Content-Type: application/xml; charset=utf-8',
'Cache-Control: public, max-age=3600',
],
},
// Sitemap pages - 1 hour cache
{
path: '/sitemap-pages.xml',
headers: [
'Content-Type: application/xml; charset=utf-8',
'Cache-Control: public, max-age=3600',
],
},
];
const lines = ['## Generated by astro-netlify-headers'];
for (const rule of rules) {
lines.push('');
lines.push(rule.path);
for (const header of rule.headers) {
lines.push(` ${header}`);
}
}
lines.push('');
return lines.join('\n');
}
|