25 lines
644 B
JavaScript
25 lines
644 B
JavaScript
import path from 'path';
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import etag from 'etag';
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import getContentTypeHeader from '../utils/getContentTypeHeader.js';
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export default function serveStaticFile(req, res) {
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const tags = ['file'];
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const ext = path.extname(req.entry.name).substr(1);
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if (ext) {
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tags.push(`${ext}-file`);
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}
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res
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.set({
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'Content-Length': req.entry.size,
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'Content-Type': getContentTypeHeader(req.entry.contentType),
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'Cache-Control': 'public, max-age=31536000', // 1 year
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'Last-Modified': req.entry.lastModified,
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ETag: etag(req.entry.content),
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'Cache-Tag': tags.join(', ')
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})
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.send(req.entry.content);
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}
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