Function component

packages/svelte/src/internal/server/renderer.test.ts:7–13

(renderer: Renderer)

test('collects synchronous body content by default', () => {
	const component = (renderer: Renderer) => {
		renderer.push('a');
		renderer.child(($$renderer) => {
			$$renderer.push('b');
		});
		renderer.push('c');
	};

	const { head, body } = Renderer.render(component as unknown as Component);
	expect(head).toBe('');