error boundary

src/components/error-boundary.tsx

@@ -0,0 +1,21 @@
+import React from 'react'
+
+export class ErrorBoundary extends React.Component {
+  state = {
+    error: false
+  }
+
+  static getDerivedStateFromError() {
+    return {
+      error: true
+    }
+  }
+
+  render() {
+    if (this.state.error) {
+      return <h1>Something went wrong.</h1>
+    }
+
+    return this.props.children
+  }
+}

src/pages/landing.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 
-import data from '../__stubs__/landing-data.json'
+import data from "../__stubs__/landing-data.json";
 import { NavPanel } from "../components/nav-panel";
 import logo from "../assets/logo_1x.png";
 import cucumber from "../assets/cucumber.png";
@@ -21,30 +21,32 @@ import {
   PageFooter,
   PageHeader,
 } from "./style";
+import { ErrorBoundary } from "../components/error-boundary";
 
 export const LandingPage = () => {
   return (
     <>
-      <PageHeader>
-        <Logo
-          height="44px"
-          width="227"
-          src={logo4x}
-          alt="Логотип. Надпись Рик и Морти"
-          srcSet={`
+      <ErrorBoundary>
+        <PageHeader>
+          <Logo
+            height="44px"
+            width="227"
+            src={logo4x}
+            alt="Логотип. Надпись Рик и Морти"
+            srcSet={`
             ${logo} 220w,
             ${logo2x} 445w,
             ${logo4x} 880w,
           `}
-          sizes="
+            sizes="
           (max-width: 240px) 100px,
           (min-width: 320px) 440px,
           (min-width: 520px) 880px
         "
-        />
-        <NavPanel currentNavElement={'Home'} />
-      </PageHeader>
-
+          />
+          <NavPanel currentNavElement={"Home"} />
+        </PageHeader>
+      </ErrorBoundary>
       <Main>
         <MainCardWrapper as="header">
           <MainCardText>
@@ -64,21 +66,24 @@ export const LandingPage = () => {
           </MainCardText>
           <MainCardImg src={cucumber} alt="" />
         </MainCardWrapper>
-        {data.map((item, index) => (
-          <Card
-            directionReverse={index % 2 === 0}
-            key={item.id}
-            title={item.title}
-            image={item.image}
-            link={item.link}
-            subTitle={item.subTitle}
-          >
-            {item.body}
-          </Card>
-        ))}
+        <ErrorBoundary><Cards /></ErrorBoundary>
       </Main>
 
       <PageFooter></PageFooter>
     </>
   );
 };
+
+const Cards = () =>
+  data.map((item, index) => (
+    <Card
+      directionReverse={index % 2 === 0}
+      key={item.id}
+      title={item.title}
+      image={item.image}
+      link={item.link}
+      subTitle={item.subTitle}
+    >
+      {item.body}
+    </Card>
+  ));

src/pages/search-character.tsx

@@ -6,6 +6,9 @@ import logo from "../assets/logo_1x.png";
 import logo2x from "../assets/logo_2x.png";
 import logo4x from "../assets/logo_4x.png";
 import { NavPanel } from "../components/nav-panel";
+import { Header1 } from "../components/common";
+import { InputField } from "../components/field/field";
+import { URLs } from "../__data__/urls";
 
 import {
   BrandText,
@@ -19,9 +22,6 @@ import {
   SearchButton,
   SearchForm,
 } from "./style";
-import { Header1 } from "../components/common";
-import { InputField } from "../components/field/field";
-import { URLs } from "../__data__/urls";
 
 export const SearchCharacterPage = () => {
   return (

src/routes.tsx

@@ -1,16 +1,21 @@
-import React from 'react';
-import { Routes, Route } from'react-router-dom';
+import React from "react";
+import { Routes, Route } from "react-router-dom";
 
-import { URLs } from './__data__/urls';
-import { LandingPage } from './pages/landing';
-import { SearchCharacterPage } from './pages/search-character';
+import { URLs } from "./__data__/urls";
+import { LandingPage } from "./pages/landing";
+import { SearchCharacterPage } from "./pages/search-character";
+import { ErrorBoundary } from "./components/error-boundary";
 
 export const PageRoutes = () => (
-  <Routes>
-    <Route path={URLs.ui.charDetail.url} element={<LandingPage />} />
-    <Route path={URLs.baseUrl} element={<LandingPage />} />
-    {URLs.ui.search && <Route path={URLs.ui.search} element={<SearchCharacterPage />} />}
+  <ErrorBoundary>
+    <Routes>
+      <Route path={URLs.ui.charDetail.url} element={<LandingPage />} />
+      <Route path={URLs.baseUrl} element={<LandingPage />} />
+      {URLs.ui.search && (
+        <Route path={URLs.ui.search} element={<SearchCharacterPage />} />
+      )}
 
-    <Route path="*" element={<h1>Page not found</h1>} />
-  </Routes>
-)
+      <Route path="*" element={<h1>Page not found</h1>} />
+    </Routes>
+  </ErrorBoundary>
+);