Add Navbar component, emotion for css and storybook

front/.eslintrc.js

@@ -2,24 +2,21 @@ module.exports = {
   parser: '@typescript-eslint/parser',
   parserOptions: {
     project: 'tsconfig.json',
-    tsconfigRootDir : __dirname, 
-    sourceType: 'module',
+    tsconfigRootDir: __dirname,
+    sourceType: 'module'
   },
   plugins: ['@typescript-eslint/eslint-plugin'],
-  extends: [
-    'plugin:@typescript-eslint/recommended',
-    'plugin:prettier/recommended',
-  ],
+  extends: ['plugin:@typescript-eslint/recommended', 'plugin:prettier/recommended', 'plugin:storybook/recommended'],
   root: true,
   env: {
     node: true,
-    jest: true,
+    jest: true
   },
   ignorePatterns: ['.eslintrc.js'],
   rules: {
     '@typescript-eslint/interface-name-prefix': 'off',
     '@typescript-eslint/explicit-function-return-type': 'off',
     '@typescript-eslint/explicit-module-boundary-types': 'off',
-    '@typescript-eslint/no-explicit-any': 'off',
-  },
-};
+    '@typescript-eslint/no-explicit-any': 'off'
+  }
+};

front/.storybook/main.js

@@ -0,0 +1,46 @@
+module.exports = {
+  webpackFinal: (config) => {
+    config.module.rules.push({
+      test: /\.tsx?$/,
+      exclude: /node_modules/,
+      use: [
+        {
+          loader: require.resolve('babel-loader'),
+          options: {
+            presets: [
+              require('@babel/preset-typescript').default,
+              [require('@babel/preset-react').default, { runtime: 'automatic' }],
+              require('@babel/preset-env').default,
+            ],
+          },
+        },
+      ],
+    })
+
+    config.resolve.extensions.push('.ts', '.tsx')
+
+    config.module.rules.push({
+      test: /\.mjs$/,
+      include: /node_modules/,
+      type: 'javascript/auto',
+    })
+
+    config.resolve.extensions.push('.mjs')
+
+    return config
+  },
+  stories: [
+    "../src/**/*.stories.mdx",
+    "../src/**/*.stories.@(js|jsx|ts|tsx)"
+  ],
+  addons: [
+    "@storybook/addon-links",
+    "@storybook/addon-essentials",
+    "@storybook/addon-interactions",
+    "@storybook/preset-create-react-app"
+  ],
+  framework: "@storybook/react",
+  core: {
+    builder: "@storybook/builder-webpack5"
+  }
+}

front/.storybook/preview.js

@@ -0,0 +1,9 @@
+export const parameters = {
+  actions: { argTypesRegex: "^on[A-Z].*" },
+  controls: {
+    matchers: {
+      color: /(background|color)$/i,
+      date: /Date$/,
+    },
+  },
+}

front/package.json

@@ -3,6 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "@emotion/react": "^11.10.5",
+    "@emotion/styled": "^11.10.5",
     "@types/node": "^16.18.4",
     "@types/react": "^18.0.25",
     "@types/react-dom": "^18.0.9",
@@ -16,14 +18,29 @@
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "storybook": "start-storybook -p 6006 -s public",
+    "build-storybook": "build-storybook -s public"
   },
   "eslintConfig": {
     "extends": [
       "react-app",
       "react-app/jest"
+    ],
+    "overrides": [
+      {
+        "files": [
+          "**/*.stories.*"
+        ],
+        "rules": {
+          "import/no-anonymous-default-export": "off"
+        }
+      }
     ]
   },
+  "overrides": {
+    "react-refresh": "0.14.0"
+  },
   "browserslist": {
     "production": [
       ">0.2%",
@@ -37,11 +54,22 @@
     ]
   },
   "devDependencies": {
+    "@storybook/addon-actions": "^6.5.14",
+    "@storybook/addon-essentials": "^6.5.14",
+    "@storybook/addon-interactions": "^6.5.14",
+    "@storybook/addon-links": "^6.5.14",
+    "@storybook/builder-webpack5": "^6.5.14",
+    "@storybook/manager-webpack5": "^6.5.14",
+    "@storybook/node-logger": "^6.5.14",
+    "@storybook/preset-create-react-app": "^4.1.2",
+    "@storybook/react": "^6.5.14",
+    "@storybook/testing-library": "^0.0.13",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
     "@types/jest": "^27.5.2",
     "@typescript-eslint/eslint-plugin": "^5.45.0",
+    "babel-plugin-named-exports-order": "^0.0.2",
     "eslint": "^8.28.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-config-standard-with-typescript": "^23.0.0",
@@ -50,6 +78,10 @@
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-promise": "^6.1.1",
     "eslint-plugin-react": "^7.31.11",
-    "typescript": "^4.9.3"
+    "eslint-plugin-storybook": "^0.6.7",
+    "prettier": "^2.8.0",
+    "prop-types": "^15.8.1",
+    "typescript": "^4.9.3",
+    "webpack": "^5.75.0"
   }
 }

front/src/App.test.tsx

@@ -1,9 +0,0 @@
-import React from 'react';
-import { render, screen } from '@testing-library/react';
-import App from './App';
-
-test('renders learn react link', () => {
-  render(<App />);
-  const linkElement = screen.getByText(/learn react/i);
-  expect(linkElement).toBeInTheDocument();
-});

front/src/App.tsx

@@ -1,16 +1,19 @@
 import React from 'react';
 import Tasks from './pages/Tasks';
 import History from './pages/History';
+import Performances from './pages/Performances';
+import AppLayout from './layout/AppLayout';
 import { Routes, Route } from 'react-router-dom';
 
 function App() {
   return (
-    <div className="App">
+    <AppLayout>
       <Routes>
         <Route path="/" element={<Tasks />} />
         <Route path="/history" element={<History />} />
+        <Route path="/performances" element={<Performances />} />
       </Routes>
-    </div>
+    </AppLayout>
   );
 }
 

front/src/layout/AppLayout.tsx

@@ -0,0 +1,22 @@
+import Navbar from './Navbar';
+import styled from '@emotion/styled';
+
+const StyledLayout = styled.div`
+  display: flex;
+  flex-direction: column;
+`;
+
+type OwnProps = {
+  children: JSX.Element;
+};
+
+function AppLayout({ children }: OwnProps) {
+  return (
+    <StyledLayout>
+      <Navbar />
+      <div>{children}</div>
+    </StyledLayout>
+  );
+}
+
+export default AppLayout;

front/src/layout/NavItem.tsx

@@ -0,0 +1,53 @@
+import styled from '@emotion/styled';
+import { useNavigate } from 'react-router-dom';
+
+type OwnProps = {
+  label: string;
+  to: string;
+  active?: boolean;
+};
+
+type StyledItemProps = {
+  active?: boolean;
+};
+
+const StyledItem = styled.button`
+  display: flex;
+  height: 60px;
+  background: inherit;
+  align-items: center;
+  padding-left: 10px;
+  padding-right: 10px;
+  margin-left: 10px;
+  margin-right: 10px;
+  font-size: 16px;
+  margin-bottom: -2px;
+  cursor: pointer;
+  color: ${(props: StyledItemProps) => (props.active ? 'black' : '#2e3138')};
+  font-weight: ${(props: StyledItemProps) =>
+    props.active ? 'bold' : 'inherit'};
+  border: 0;
+  border-bottom: ${(props: StyledItemProps) =>
+    props.active ? '2px solid black' : '2px solid #eaecee'};
+  &:hover {
+    border-bottom: 2px solid #2e3138;
+  }
+`;
+
+function NavItem({ label, to, active }: OwnProps) {
+  const navigate = useNavigate();
+
+  return (
+    <StyledItem
+      onClick={() => {
+        navigate(to);
+      }}
+      active={active}
+      aria-selected={active}
+    >
+      {label}
+    </StyledItem>
+  );
+}
+
+export default NavItem;

front/src/layout/Navbar.tsx

@@ -0,0 +1,53 @@
+import styled from '@emotion/styled';
+import { useMatch, useResolvedPath } from 'react-router-dom';
+import NavItem from './NavItem';
+
+const NavbarContainer = styled.div`
+  display: flex;
+  flex-direction: row;
+  align-items: stretch;
+  padding-left: 12px;
+  height: 58px;
+  border-bottom: 2px solid #eaecee;
+`;
+
+function Navbar() {
+  return (
+    <>
+      <NavbarContainer>
+        <NavItem
+          label="Tasks"
+          to="/"
+          active={
+            !!useMatch({
+              path: useResolvedPath('/').pathname,
+              end: true,
+            })
+          }
+        />
+        <NavItem
+          label="History"
+          to="/history"
+          active={
+            !!useMatch({
+              path: useResolvedPath('/history').pathname,
+              end: true,
+            })
+          }
+        />
+        <NavItem
+          label="Performances"
+          to="/performances"
+          active={
+            !!useMatch({
+              path: useResolvedPath('/performances').pathname,
+              end: true,
+            })
+          }
+        />
+      </NavbarContainer>
+    </>
+  );
+}
+
+export default Navbar;

front/src/pages/Performances.tsx

@@ -0,0 +1,9 @@
+function Performances() {
+  return (
+    <div>
+      <h1>This is the performances page</h1>
+    </div>
+  );
+}
+
+export default Performances;

front/src/stories/layout/NavItem.stories.tsx

@@ -0,0 +1,20 @@
+import { MemoryRouter } from 'react-router-dom';
+
+import NavItem from '../../layout/NavItem';
+
+export default {
+  title: 'NavItem',
+  component: NavItem,
+};
+
+export const NavItemDefault = () => (
+  <MemoryRouter>
+    <NavItem label="Test" to="/test" />
+  </MemoryRouter>
+);
+
+export const NavItemActive = () => (
+  <MemoryRouter initialEntries={['/test']}>
+    <NavItem label="Test" to="/test" active={true} />
+  </MemoryRouter>
+);

front/src/stories/layout/Navbar.stories.tsx

@@ -0,0 +1,14 @@
+import { MemoryRouter } from 'react-router-dom';
+
+import Navbar from '../../layout/Navbar';
+
+export default {
+  title: 'Navbar',
+  component: Navbar,
+};
+
+export const NavbarOnPerformance = () => (
+  <MemoryRouter initialEntries={['/performances']}>
+    <Navbar />
+  </MemoryRouter>
+);

front/src/tests/layout/NavItem.test.tsx

@@ -0,0 +1,19 @@
+import { render, fireEvent } from '@testing-library/react';
+
+import { NavItemDefault } from '../../stories/layout/NavItem.stories'; //👈 Our stories imported here.
+
+const mockedNavigate = jest.fn();
+jest.mock('react-router-dom', () => ({
+  ...jest.requireActual('react-router-dom'),
+  useNavigate: () => mockedNavigate,
+}));
+
+it('Checks the NavItem renders', () => {
+  const { getByRole } = render(<NavItemDefault />);
+
+  const button = getByRole('button');
+  expect(button).toHaveTextContent('Test');
+
+  fireEvent.click(button);
+  expect(mockedNavigate).toHaveBeenCalledWith('/test');
+});

front/src/tests/layout/Navbar.test.tsx

@@ -0,0 +1,17 @@
+import { render } from '@testing-library/react';
+
+import { NavbarOnPerformance } from '../../stories/layout/Navbar.stories';
+
+it('Checks the NavItem renders', () => {
+  const { getByRole } = render(<NavbarOnPerformance />);
+
+  expect(getByRole('button', { name: 'Performances' })).toHaveAttribute(
+    'aria-selected',
+    'true',
+  );
+
+  expect(getByRole('button', { name: 'Tasks' })).toHaveAttribute(
+    'aria-selected',
+    'false',
+  );
+});