use context to manage state

src/components/Loader.tsx

@@ -1,5 +1,23 @@
 import React, { FC } from "react";
+import { makeStyles } from "@material-ui/core/styles";
+import CircularProgress from "@material-ui/core/CircularProgress";
 
-const Loader: FC = () => <div>Fetching data from server</div>;
+const useStyles = makeStyles({
+  root: {
+    position: "absolute",
+    top: "50vh",
+    left: "50vw",
+  },
+});
+
+const Loader: FC = () => {
+  const classes = useStyles();
+
+  return (
+    <div className={classes.root}>
+      <CircularProgress />
+    </div>
+  );
+};
 
 export default Loader;

src/components/MatchList.tsx

@@ -1,38 +1,20 @@
-import React, { FC, useState, useEffect } from "react";
+import React, { FC } from "react";
 import { Container } from "@material-ui/core";
 
+import { withGame, IGameState } from "../store/GameProvider";
+
 import Loader from "./Loader";
 import MatchItem from "./MatchItem";
 
-import apiClient from "../api";
+const MatchList: FC<IGameState> = ({ games, loading }) =>
-
+  loading ? (
-const MatchList: FC = () => {
-  const [games, setGames] = useState([]);
-  const [loading, setLoading] = useState(true);
-
-  useEffect(() => {
-    apiClient
-      .get("/")
-      .then(({ data }) => {
-        setLoading(false);
-        setGames(data);
-      })
-      .catch((err) => {
-        setLoading(false);
-        console.error(err);
-        return <div>{JSON.stringify(err, null, 2)}</div>;
-      });
-  }, []);
-
-  return loading ? (
     <Loader />
   ) : (
     <Container>
       {games.map((game, i) => (
-        <MatchItem key={i} id={i} {...game} />
+        <MatchItem key={i} {...game} id={i} />
       ))}
     </Container>
   );
-};
 
-export default MatchList;
+export default withGame((props: IGameState) => <MatchList {...props} />);

src/index.tsx

@@ -3,10 +3,13 @@ import { render } from "react-dom";
 
 import App from "./App";
 import * as serviceWorker from "./serviceWorker";
+import GameProvider from "./store/GameProvider";
 
 render(
   <React.StrictMode>
-    <App />
+    <GameProvider>
+      <App />
+    </GameProvider>
   </React.StrictMode>,
   document.getElementById("root")
 );

src/store/GameProvider.tsx

@@ -0,0 +1,50 @@
+import React, { FC, createContext, useState, useEffect } from "react";
+
+import apiClient from "../api";
+
+import IGame from "../types/Game";
+
+export interface IGameState {
+  games: IGame[];
+  loading: boolean;
+  setGames: React.Dispatch<React.SetStateAction<IGame[]>>;
+}
+
+export const GameContext = createContext<IGameState>({
+  games: [],
+  loading: true,
+  setGames: () => {},
+});
+
+const GameProvider: FC = ({ children }) => {
+  const [games, setGames] = useState<IGame[]>([]);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    apiClient
+      .get("/")
+      .then(({ data }) => {
+        setLoading(false);
+        setGames(data);
+      })
+      .catch((err) => {
+        setLoading(false);
+        console.error(err);
+        return <div>{JSON.stringify(err, null, 2)}</div>;
+      });
+  }, []);
+
+  return (
+    <GameContext.Provider value={{ games, loading, setGames }}>
+      {children}
+    </GameContext.Provider>
+  );
+};
+
+export const withGame = (Component: any) => (props: any) => (
+  <GameContext.Consumer>
+    {(store) => <Component {...props} {...store} />}
+  </GameContext.Consumer>
+);
+
+export default GameProvider;

src/types/Game.ts

@@ -10,5 +10,5 @@ export default interface IGame extends IVideo {
   side2: ISide;
   competition: ICompetition;
   videos: IVideo[];
-  id: string;
+  id: number;
 }