create-recipe.js

const createRecipe = async (root, { input }, { user }) => {
  throwErrorIfUserNotAuthenticated(user);

  //    bring out the image from input for file processing
  const { image, ...recipeObject } = await input;

  let url = "";
  if (image) {
    const result = await uploadFile(image);
    url = result.url;
  }

  const recipe = await Recipe.findOne({ name: input.name.toLowerCase() });
  if (recipe) {
    throw new Error("Recipe already exists!");
  }
  Object.assign(recipeObject, { image: url, userId: user.id });
  return Recipe.create(recipeObject);
};