#3 - исправление NPE для загрузки фото

front/src/context/SelectContext.js

@@ -0,0 +1,61 @@
+import * as React from "react";
+
+export const SelectContext = React.createContext(undefined);
+
+export function SelectProvider({children}) {
+    const [selected, setSelected] = React.useState({
+        cocktail: null,
+        ingredient: null
+    });
+
+    const selectCocktail = (row) => {
+        setSelected((prev) => ({
+            ...prev,
+            cocktail: row
+        }))
+    }
+    const getCocktail = () => {
+        return selected.cocktail
+    }
+    const getOpenCocktail = () => {
+        return selected.cocktail !== null;
+    }
+    const closeCocktail = () => {
+        setSelected((prevState) => ({
+            ...prevState,
+            cocktail: null,
+        }))
+    }
+
+    const selectIngredient = (row) => {
+        setSelected((prev) => ({
+            ...prev,
+            ingredient: row
+        }))
+    }
+    const closeIngredient = () => {
+        setSelected((prevState) => ({
+            ...prevState,
+            ingredient: null
+        }))
+    }
+    const getIngredient = () => {
+        return selected.ingredient
+    }
+    const getOpenIngredient = () => {
+        return selected.ingredient !== null
+    }
+
+    return <SelectContext.Provider value={{...selected,
+        selectCocktail,
+        getCocktail,
+        getOpenCocktail,
+        closeCocktail,
+        selectIngredient,
+        closeIngredient,
+        getIngredient,
+        getOpenIngredient
+    }}>{children}</SelectContext.Provider>;
+}
+
+export const SelectConsumer = SelectContext.Consumer;