neko/server/internal/http/middleware/recover.go

package middleware

// The original work was derived from Goji's middleware, source:
// https://github.com/zenazn/goji/tree/master/web/middleware

import (
	"net/http"

	"m1k1o/neko/internal/http/endpoint"
)

func Recoverer(next http.Handler) http.Handler {
	fn := func(w http.ResponseWriter, r *http.Request) {
		defer func() {
			if rvr := recover(); rvr != nil {
				endpoint.WriteError(w, r, rvr)
			}
		}()

		next.ServeHTTP(w, r)
	}

	return http.HandlerFunc(fn)
}