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// Copyright (c) 2017-2023 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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import { Buffer } from 'node:buffer';
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const root = await navigator.storage.getDirectory();
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const tmp = await root.getDirectoryHandle('tmp');
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export default {
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  async fetch(req, env) {
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    // Any files that are created in the tmp file directory will be
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    // automatically cleaned up by the runtime after each request.
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    // The tmp dir is specific to each request, so concurrent requests
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    // will not interfere with each other and there is no shared state
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    // between requests.
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    // Web File System APIs...
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    const file = await tmp.getFileHandle("foo", { create: true });
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    const writable = await file.createWritable();
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    await writable.write('Hello World\n');
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    await writable.close();
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    // Node.js File System APIs...
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    const { readFileSync } = await import('node:fs');
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    const data = readFileSync('/tmp/foo', 'utf8');
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    return new Response(data);
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  }
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};