Diffusion Ant (type-hints-typescript) Code

ant/examples/spec/request.js
899dad6b8a9etype-hints-typescript

request.js
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			import { test, testThrows, summary } from './helpers.js';

			console.log('Request Tests\n');

			test('Request typeof', typeof Request, 'function');
			test('Request toStringTag', Object.prototype.toString.call(new Request('https://example.com/')), '[object Request]');
			testThrows('Request requires new', () => Request('https://example.com/'));

			const req0 = new Request('https://example.com/');
			test('Request method default', req0.method, 'GET');
			test('Request url', req0.url, 'https://example.com/');
			test('Request headers same object', req0.headers === req0.headers, true);
			test('Request keepalive default', req0.keepalive, false);
			test('Request duplex getter', req0.duplex, 'half');

			const hdrReq = new Request('https://example.com/', {
			headers: {
			'Accept-Charset': 'blocked',
			'X-Custom': 'ok',
			},
			});
			test('Request filters forbidden headers', hdrReq.headers.get('accept-charset'), null);
			test('Request keeps allowed headers', hdrReq.headers.get('x-custom'), 'ok');

			const noCorsReq = new Request('https://example.com/', {
			mode: 'no-cors',
			headers: {
			'Content-Type': 'text/plain;charset=UTF-8',
			'X-Blocked': 'nope',
			},
			});
			test('Request no-cors keeps safelisted content-type', noCorsReq.headers.get('content-type'), 'text/plain;charset=UTF-8');
			test('Request no-cors strips non-safelisted header', noCorsReq.headers.get('x-blocked'), null);

			testThrows(
			'Request forbids keepalive with stream body',
			() => new Request('https://example.com/', {
			method: 'POST',
			body: new ReadableStream(),
			duplex: 'half',
			keepalive: true,
			})
			);

			testThrows(
			'Request requires duplex for stream body',
			() => new Request('https://example.com/', {
			method: 'POST',
			body: new ReadableStream(),
			})
			);

			testThrows(
			'Request rejects duplex full',
			() => new Request('https://example.com/', {
			method: 'POST',
			body: 'hello',
			duplex: 'full',
			})
			);

			testThrows(
			'Request rejects forbidden method',
			() => new Request('https://example.com/', { method: 'TRACE' })
			);

			testThrows(
			'Request rejects GET with direct body',
			() => new Request('https://example.com/', { method: 'GET', body: 'hello' })
			);

			const bodyReq = new Request('https://example.com/', {
			method: 'POST',
			body: 'hello world',
			});
			const bodyStream = bodyReq.body;
			test('Request body is a ReadableStream', bodyStream instanceof ReadableStream, true);
			test('Request body getter is stable', bodyReq.body === bodyStream, true);
			test('Request bodyUsed before consume', bodyReq.bodyUsed, false);
			test('Request text after body access', await bodyReq.text(), 'hello world');
			test('Request bodyUsed after consume', bodyReq.bodyUsed, true);
			test('Request body object preserved after consume', bodyReq.body === bodyStream, true);

			const srcReq = new Request('https://example.com/', {
			method: 'POST',
			body: 'copied body',
			});
			const srcBody = srcReq.body;
			const copiedReq = new Request(srcReq);
			test('Request-from-Request disturbs source', srcReq.bodyUsed, true);
			test('Request-from-Request keeps source body object', srcReq.body === srcBody, true);
			test('Request-from-Request creates new body object', copiedReq.body === srcBody, false);
			test('Request-from-Request text', await copiedReq.text(), 'copied body');

			const failReq = new Request('https://example.com/', {
			method: 'POST',
			body: 'will stay unused',
			});
			testThrows(
			'Request GET from Request with body throws',
			() => new Request(failReq, { method: 'GET' })
			);
			test('Request failed construction does not disturb source', failReq.bodyUsed, false);

			const usedReq = new Request('https://example.com/', {
			method: 'POST',
			body: 'replace me',
			});
			await usedReq.text();
			const replacedReq = new Request(usedReq, {
			body: 'replacement body',
			method: 'POST',
			});
			test('Request override from disturbed request succeeds', await replacedReq.text(), 'replacement body');

			const initReq = new Request('https://example.com/', {
			method: 'POST',
			body: 'init body',
			});
			const reqFromInitReq = new Request('https://example.com/', initReq);
			test('Request init from Request copies method', reqFromInitReq.method, 'POST');
			test('Request init from Request copies body', await reqFromInitReq.text(), 'init body');

			const emptyTypeReq = new Request('https://example.com/', {
			method: 'POST',
			headers: [['Content-Type', '']],
			body: 'typed body',
			});
			const emptyTypeBlob = await emptyTypeReq.blob();
			test('Request empty content-type preserved on blob', emptyTypeBlob.type, '');

			summary();

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