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https://github.com/withastro/astro.git
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36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import type { RouteData } from 'astro';
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import fs from 'fs';
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export async function createRedirects(
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routes: RouteData[],
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dir: URL,
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entryFile: string,
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edge: boolean
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) {
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const _redirectsURL = new URL('./_redirects', dir);
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const kind = edge ? 'edge-functions' : 'functions';
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// Create the redirects file that is used for routing.
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let _redirects = '';
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for (const route of routes) {
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if (route.pathname) {
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_redirects += `
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${route.pathname} /.netlify/${kind}/${entryFile} 200`;
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if (route.route === '/404') {
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_redirects += `
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/* /.netlify/${kind}/${entryFile} 404`;
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}
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} else {
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const pattern =
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'/' + route.segments.map(([part]) => (part.dynamic ? '*' : part.content)).join('/');
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_redirects += `
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${pattern} /.netlify/${kind}/${entryFile} 200`;
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}
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}
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// Always use appendFile() because the redirects file could already exist,
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// e.g. due to a `/public/_redirects` file that got copied to the output dir.
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// If the file does not exist yet, appendFile() automatically creates it.
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await fs.promises.appendFile(_redirectsURL, _redirects, 'utf-8');
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}
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