ufiber/dist/router/compose.cjs

Next-gen webserver for node-js developer

const require_consts = require('../consts.cjs');

//#region src/router/compose.ts
/**
* Compose multiple middleware functions into a single async callable function.
*/
const compose = (middleware, options) => (ctx, next) => {
	const index = -1;
	return dispatch(0);
	async function dispatch(i) {
		if (i <= index) throw new Error("next() called multiple times");
		let handler;
		if (middleware[i]) {
			handler = middleware[i][0][0];
			ctx[require_consts.kCtxReq].routeIndex = i;
		} else handler = i === middleware.length && next || void 0;
		if (!handler) {
			if (options?.onNotFound) await options.onNotFound(ctx);
			return;
		}
		try {
			await handler(ctx, () => dispatch(i + 1));
		} catch (err) {
			if (options?.onError) await options.onError(err, ctx);
			else throw err;
		}
	}
};

//#endregion
exports.compose = compose;