jichan.org-go/main.go

package main

import (
	"context"
	"log"
	"net/http"

	"github.com/a-h/templ"
)

var clicks uint = 0

func generateHandler(template func() templ.Component, handler func()) func(http.ResponseWriter, *http.Request) {
	return func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/html; charset=utf-8")
		template().Render(context.Background(), w)
		handler()
	}
}

func main() {
	http.Handle("/", http.FileServer(http.Dir("static")))
	http.HandleFunc("/api/click", generateHandler(
		func() templ.Component { return Click(clicks) },
		func() { clicks++ },
	))
	log.Fatal(http.ListenAndServe(":3333", nil))
}