feat: add user about page

utils/random.ts

@@ -1,10 +1,19 @@
-import type { Recipes } from '../types'
+import type { RecipeItem, Recipes } from '../types'
 
 /**
- * 生成随机菜谱
+ * 生成随机菜谱，默认一道
  * @param recipes
  * @returns
  */
-export function generateRandomRecipe(recipes: Recipes) {
-  return recipes[Math.floor(Math.random() * recipes.length)]
+export function generateRandomRecipe(recipes: Recipes, total = 1) {
+  const randomRecipes: RecipeItem[] = []
+  for (let i = 0; i < total; i++) {
+    const randomIndex = Math.floor(Math.random() * recipes.length)
+    if (randomRecipes.includes(recipes[randomIndex])) {
+      i--
+      continue
+    }
+    randomRecipes.push(recipes[randomIndex])
+  }
+  return randomRecipes
 }