htmdart 0.7.2

htmdart: ^0.7.2 copied to clipboard

example/htmdart_example.dart

import "dart:async";

import "package:htmdart/htmdart.dart";

final router = Router()
  ..notFoundHandler((req) => respondWithHtml(["404".h1()]))
  ..get("/", homePageHandler)
  ..post("/increase_counter", increaseCounterHandler)
  ..post("/decrease_counter", decreaseCounterHandler);

void main() => serve(router, "localhost", 8080, withHotreload: false);

Response homePageHandler(Request request) {
  return respondWithHtml([
    html([
      link([$href("https://cdn.jsdelivr.net/npm/daisyui@4.12.23/dist/full.min.css"), $rel("stylesheet"), $type("text/css")]),
      script([$src("https://unpkg.com/htmx.org@2.0.4")]),
      script([$src("https://cdn.tailwindcss.com")]),
      body([
        $class("h-screen place-content-center"),
        div([
          $class("flex flex-col gap-6 items-center"),
          counter(0),
          counterActions,
        ]),
        h1([
          $class("text-xs text-center mt-8"),
          "Powered by HTMDART".t,
        ]),
      ]),
    ]),
  ]);
}

Future<Response> increaseCounterHandler(Request request) async {
  final fd = Uri.splitQueryString(await request.readAsString());

  final c = fd["count"] ?? "0";

  return respondWithHtmlOob([counter(int.parse(c) + 1)]);
}

Future<Response> decreaseCounterHandler(Request request) async {
  final fd = Uri.splitQueryString(await request.readAsString());

  final c = fd["count"] ?? "0";

  return respondWithHtmlOob([counter(int.parse(c) - 1)]);
}

HTML counter(int count) => h1([$id("counter"), $class("text-9xl font-bold"), count.toString().t]);

final counterActions = div([
  $class("flex gap-4"),
  button([
    $class("btn btn-primary"),
    $hx.swap.none,
    $hx.vals("js:{ count: document.getElementById('counter').textContent }"),
    $hx.handle(decreaseCounterHandler),
    "-1".t,
  ]),
  button([
    $class("btn btn-primary"),
    $hx.swap.none,
    $hx.vals("js:{ count: document.getElementById('counter').textContent }"),
    $hx.handle(increaseCounterHandler),
    "+1".t,
  ]),
]);