Diffusion Ant (master) Code

ant/tests/todo_rsc_form_action_markup.mjs
dce8e2e6fb90master

todo_rsc_form_action_markup.mjs
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			function assert(cond, msg) {
			if (!cond) throw new Error(msg);
			}

			async function readUntil(response, marker, limit = 32768) {
			const stream = response.body;
			assert(stream, 'expected response body stream');

			const reader = stream.getReader();
			const decoder = new TextDecoder();
			let text = '';

			while (text.length < limit) {
			const chunk = await reader.read();
			if (chunk.done) break;
			text += decoder.decode(chunk.value, { stream: true });
			if (text.includes(marker)) break;
			}

			text += decoder.decode();
			return text;
			}

			const mod = await import('../todo/rsc/dist/rsc/index.js');
			const handler = mod.default;

			assert(handler && typeof handler.fetch === 'function', 'expected todo/rsc handler.fetch');

			const response = await handler.fetch(new Request('http://localhost/'));
			assert(response.status === 200, `expected status 200, got ${response.status}`);

			const html = await readUntil(response, '</form>');
			const formStart = html.indexOf('<form');
			assert(formStart !== -1, 'expected rendered form');

			const formEnd = html.indexOf('</form>', formStart);
			assert(formEnd !== -1, 'expected form closing tag');

			const snippet = html.slice(formStart, formEnd + 7);
			console.log(snippet);

			assert(
			snippet.includes('$ACTION_') \|\|
			snippet.includes('javascript:throw new Error') \|\|
			snippet.includes('formAction'),
			'expected server action metadata or replay marker in form markup',
			);

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