refactor: remove some duplicated code

routes/api/recipes/[name].ts

@@ -1,23 +1,10 @@
-import { HandlerContext } from "$fresh/server.ts";
-import { getDocument } from "@lib/documents.ts";
-import { parseRecipe } from "@lib/recipes.ts";
+import { Handlers } from "$fresh/server.ts";
+import { getRecipe } from "@lib/resource/recipes.ts";
+import { json } from "@lib/helpers.ts";
 
-export async function getRecipe(name: string) {
-  const document = await getDocument(`Recipes/${name}.md`);
-
-  const recipe = parseRecipe(document, name);
-
-  return recipe;
-}
-
-export const handler = async (
-  _req: Request,
-  _ctx: HandlerContext,
-): Promise<Response> => {
-  const recipe = await getRecipe(_ctx.params.name);
-
-  const headers = new Headers();
-  headers.append("Content-Type", "application/json");
-
-  return new Response(JSON.stringify(recipe));
+export const handler: Handlers = {
+  async GET(_, ctx) {
+    const recipe = await getRecipe(ctx.params.name);
+    return json(recipe);
+  },
 };