memorium/routes/recipes/[name].tsx

import { Handlers, PageProps } from "$fresh/server.ts";
import { IngredientsList } from "@islands/IngredientsList.tsx";
import { RecipeHero } from "@components/RecipeHero.tsx";
import { MainLayout } from "@components/layouts/main.tsx";
import { Recipe } from "@lib/recipes.ts";
import { getRecipe } from "../api/recipes/[name].ts";
import Counter from "@islands/Counter.tsx";
import { useSignal } from "@preact/signals";

export const handler: Handlers<Recipe | null> = {
  async GET(_, ctx) {
    const recipe = await getRecipe(ctx.params.name);
    return ctx.render(recipe);
  },
};

export default function Greet(props: PageProps<Recipe>) {
  const recipe = props.data;

  const portion = recipe.meta?.portion;
  const amount = useSignal(portion || 1);

  return (
    <MainLayout url={props.url}>
      <RecipeHero recipe={recipe} />
      <div class="px-8 text-white mt-10">
        <div class="flex items-center gap-8">
          <h3 class="text-3xl my-5">Ingredients</h3>
          {portion && <Counter count={amount} />}
        </div>
        <IngredientsList
          ingredients={recipe.ingredients}
          amount={amount}
          portion={portion}
        />
        <h3 class="text-3xl my-5">Preparation</h3>
        <pre
          class="whitespace-break-spaces"
          dangerouslySetInnerHTML={{ __html: recipe.preparation || "" }}
        >
          {recipe.preparation}
        </pre>
      </div>
    </MainLayout>
  );
}