callComponentAsTemplateResultOrResponse() — astro Function Reference

Source Code

packages/astro/src/runtime/server/render/astro/render.ts lines 147–188

async function callComponentAsTemplateResultOrResponse(
	result: SSRResult,
	componentFactory: AstroComponentFactory,
	props: any,
	children: any,
	route?: RouteData,
) {
	const factoryResult = await componentFactory(result, props, children);

	if (factoryResult instanceof Response) {
		return factoryResult;
	}
	// we check if the component we attempt to render is a head+content
	else if (isHeadAndContent(factoryResult)) {
		// we make sure that content is valid template result
		if (!isRenderTemplateResult(factoryResult.content)) {
			throw new AstroError({
				...AstroErrorData.OnlyResponseCanBeReturned,
				message: AstroErrorData.OnlyResponseCanBeReturned.message(
					route?.route,
					typeof factoryResult,
				),
				location: {
					file: route?.component,
				},
			});
		}

		// return the content
		return factoryResult.content;
	} else if (!isRenderTemplateResult(factoryResult)) {
		throw new AstroError({
			...AstroErrorData.OnlyResponseCanBeReturned,
			message: AstroErrorData.OnlyResponseCanBeReturned.message(route?.route, typeof factoryResult),
			location: {
				file: route?.component,
			},
		});
	}

	return factoryResult;
}