next-wrapper.js

const { parse } = require( 'url' );

const nextHandlerWrapper = ( app ) => {
	const handler = app.getRequestHandler();
	return async ( { raw, url }, h ) => {
		await handler( raw.req, raw.res, url );
		return h.close;
	};
};

const defaultHandlerWrapper = app => async ( { raw: { req, res }, url } ) => {
	const { pathname, query } = parse( url, true );
	return app.renderToHTML( req, res, pathname, query );
};

const pathWrapper = ( app, pathName, opts ) => async ( { raw, query, params } ) => {
	return app.renderToHTML( raw.req, raw.res, pathName, {
		...query,
		...params
	}, opts );
};

module.exports = { pathWrapper, defaultHandlerWrapper, nextHandlerWrapper };