init

app/lib/recipes/dish.ts

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+import type { Appliance, CookingStyle, Cuisine, MealKind, RecipeData, RecipeIngredient, RecipeUnit } from "@/app/types";
+
+// ---------------------------------------------------------------------------
+// Compact recipe format, used for the big recipe library in ./extra/.
+//
+// Instead of a 12-line object per recipe, each dish is one entry with its
+// ingredients written like a shopping list:
+//
+//   { title: "Beef Stroganoff", mins: 30, tools: ["stovetop"], styles: ["comfort"],
+//     about: "Creamy mushroom sauce over egg noodles.",
+//     items: "ground_beef 1 lb; egg_noodles 12 oz; mushrooms 8 oz; sour_cream 0.5 cup" }
+//
+// Each ingredient is "<catalog item id> <amount> <unit>". Bad units throw at
+// module load, so typos fail loudly in dev instead of producing $0 groceries.
+// ---------------------------------------------------------------------------
+
+export interface DishInput {
+  title: string;
+  /** Defaults to a slug of the title. Set it explicitly to keep saved plans stable if you rename. */
+  id?: string;
+  about: string;
+  mins: number;
+  tools: Appliance[];
+  styles?: CookingStyle[];
+  /** Defaults to the file's cuisine/kind (see `dishes`). */
+  cuisine?: Cuisine;
+  kind?: MealKind;
+  /** People one batch feeds. Default 4. */
+  serves?: number;
+  /** "item_id amount unit; item_id amount unit; …" */
+  items: string;
+  /** Optional cook's tip shown under the steps. */
+  tip?: string;
+}
+
+const UNITS = new Set<RecipeUnit>(["g", "oz", "lb", "ml", "tsp", "tbsp", "cup", "each"]);
+
+export const slugify = (text: string) =>
+  text
+    .normalize("NFD") // "Étouffée" → "Etouffee" + combining accents…
+    .replace(/[\u0300-\u036f]/g, "") // …which this strips
+    .replace(/ı/g, "i") // Turkish dotless i (doesn't decompose)
+    .toLowerCase()
+    .replace(/['’]/g, "") // "Shepherd's" → "shepherds", not "shepherd-s"
+    .replace(/&/g, "and")
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/^-|-$/g, "");
+
+function parseItems(items: string, title: string): RecipeIngredient[] {
+  return items
+    .split(";")
+    .map((part) => part.trim())
+    .filter(Boolean)
+    .map((part) => {
+      const [itemId, amountText, unit] = part.split(/\s+/);
+      const amount = Number(amountText);
+      if (!itemId || !Number.isFinite(amount) || amount <= 0 || !UNITS.has(unit as RecipeUnit)) {
+        throw new Error(`Recipe "${title}": can't parse ingredient "${part}" (expected "item_id amount unit")`);
+      }
+      return { itemId, amount, unit: unit as RecipeUnit };
+    });
+}
+
+/** Build a list of recipes that share a default cuisine and meal kind. */
+export function dishes(defaults: { cuisine: Cuisine; kind?: MealKind }, list: DishInput[]): RecipeData[] {
+  return list.map((d) => ({
+    id: d.id ?? slugify(d.title),
+    title: d.title,
+    description: d.about,
+    cuisine: d.cuisine ?? defaults.cuisine,
+    styles: d.styles ?? [],
+    kind: d.kind ?? defaults.kind ?? "main",
+    prepTime: d.mins,
+    requiredAppliances: d.tools,
+    servings: d.serves ?? 4,
+    ingredients: parseItems(d.items, d.title),
+    ...(d.tip ? { tip: d.tip } : {}),
+  }));
+}