solution

package.json

@@ -18,7 +18,7 @@
     "@mate-academy/cypress-tools": "^1.0.4",
     "@mate-academy/eslint-config-react": "0.0.7",
     "@mate-academy/eslint-config-react-typescript": "^1.0.1",
-    "@mate-academy/scripts": "^1.2.3",
+    "@mate-academy/scripts": "^1.2.8",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^17.0.23",

src/App.scss

@@ -1 +1,4 @@
 // styles go here
+iframe {
+  display: none;
+}

src/App.tsx

@@ -1,27 +1,67 @@
-import React from 'react';
+/* eslint-disable max-len */
+/* eslint-disable implicit-arrow-linebreak */
+import React, { useMemo, useState } from 'react';
 import './App.scss';
 import { GoodsList } from './GoodsList';
 
-// import { getAll, get5First, getRed } from './api/goods';
+import { getAll, get5First, getRedGoods } from './api/goods';
+import { Good } from './types/Good';
 // or
 // import * as goodsAPI from './api/goods';
 
-export const App: React.FC = () => (
-  <div className="App">
-    <h1>Dynamic list of Goods</h1>
+export const App: React.FC = () => {
+  const [preparedGoods, setPreparedGoods] = useState<Good[]>([]);
+  const [errorMessage, setErrorMessage] = useState('');
 
-    <button type="button" data-cy="all-button">
-      Load all goods
-    </button>
+  const onLoad = useMemo(() => () => getAll()
+    .then(setPreparedGoods)
+    .catch(err => setErrorMessage(err)),
+  []);
 
-    <button type="button" data-cy="first-five-button">
-      Load 5 first goods
-    </button>
+  const onLoadFirstFive = useMemo(() => () => get5First()
+    .then(setPreparedGoods)
+    .catch(err => setErrorMessage(err)),
+  []);
 
-    <button type="button" data-cy="red-button">
-      Load red goods
-    </button>
+  const onLoadRedOnes = useMemo(() => () => getRedGoods()
+    .then(setPreparedGoods)
+    .catch(err => setErrorMessage(err)),
+  []);
 
-    <GoodsList goods={[]} />
-  </div>
-);
+  return (
+    <div className="App">
+      <h1>Dynamic list of Goods</h1>
+
+      <button
+        type="button"
+        data-cy="all-button"
+        onClick={onLoad}
+      >
+        Load all goods
+      </button>
+
+      <button
+        type="button"
+        data-cy="first-five-button"
+        onClick={onLoadFirstFive}
+      >
+        Load 5 first goods
+      </button>
+
+      <button
+        type="button"
+        data-cy="red-button"
+        onClick={onLoadRedOnes}
+      >
+        Load red goods
+      </button>
+
+      {errorMessage
+        ? (
+          <p>{errorMessage}</p>
+        ) : (
+          <GoodsList goods={preparedGoods} />
+        )}
+    </div>
+  );
+};

src/GoodsList.tsx

@@ -8,7 +8,11 @@ type Props = {
 export const GoodsList: React.FC<Props> = ({ goods }) => (
   <ul>
     {goods.map(good => (
-      <li key={good.id} data-cy="good">
+      <li
+        key={good.id}
+        data-cy="good"
+        style={{ color: good.color }}
+      >
         {good.name}
       </li>
     ))}

src/api/goods.ts

@@ -10,10 +10,20 @@ export function getAll(): Promise<Good[]> {
 
 export const get5First = () => {
   return getAll()
-    .then(goods => goods); // sort and get the first 5
+    .then(goods => {
+      const normalizedGoods = goods
+        .sort((good1, good2) => good1.name.localeCompare(good2.name))
+        .splice(0, 5);
+
+      return normalizedGoods;
+    });
 };
 
 export const getRedGoods = () => {
   return getAll()
-    .then(goods => goods); // get only red
+    .then(goods => {
+      const normalizedGoods = goods.filter(good => good.color === 'red');
+
+      return normalizedGoods;
+    });
 };