Implement filtering and sorting with URL search params

src/App.tsx

@@ -1,4 +1,4 @@
-import { PeoplePage } from './components/PeoplePage';
+import { Outlet } from 'react-router-dom';
 import { Navbar } from './components/Navbar';
 
 import './App.scss';
@@ -10,9 +10,7 @@ export const App = () => {
 
       <div className="section">
         <div className="container">
-          <h1 className="title">Home Page</h1>
-          <h1 className="title">Page not found</h1>
-          <PeoplePage />
+          <Outlet />
         </div>
       </div>
     </div>

src/Root.tsx

@@ -0,0 +1,26 @@
+import {
+  Navigate,
+  Route,
+  HashRouter as Router,
+  Routes,
+} from 'react-router-dom';
+import { App } from './App';
+import { HomePage } from './pages/HomePage';
+import { PeoplePage } from './pages/PeoplePage';
+import { NotFoundPage } from './pages/NotFoundPage';
+
+export const Root = () => (
+  <Router>
+    <Routes>
+      <Route path="/" element={<App />}>
+        <Route index element={<HomePage />} />
+        <Route path="home" element={<Navigate to="/" replace />} />
+        <Route path="people">
+          <Route index element={<PeoplePage />} />
+          <Route path=":slug" element={<PeoplePage />} />
+        </Route>
+        <Route path="*" element={<NotFoundPage />} />
+      </Route>
+    </Routes>
+  </Router>
+);

src/components/Navbar/Navbar.tsx

@@ -0,0 +1,37 @@
+import { NavLink, useSearchParams } from 'react-router-dom';
+import classNames from 'classnames';
+
+export const Navbar = () => {
+  const getLinkClass = ({ isActive }: { isActive: boolean }) =>
+    classNames('navbar-item', { 'has-background-grey-lighter': isActive });
+
+  const [searchParams] = useSearchParams();
+
+  return (
+    <nav
+      data-cy="nav"
+      className="navbar is-fixed-top has-shadow"
+      role="navigation"
+      aria-label="main navigation"
+    >
+      <div className="container">
+        <div className="navbar-brand">
+          <NavLink to="/" className={getLinkClass}>
+            Home
+          </NavLink>
+
+          <NavLink
+            to={{
+              pathname: '/people',
+              search: searchParams.toString(),
+            }}
+            aria-current="page"
+            className={getLinkClass}
+          >
+            People
+          </NavLink>
+        </div>
+      </div>
+    </nav>
+  );
+};

src/components/Navbar/index.ts

@@ -0,0 +1 @@
+export * from './Navbar';

src/components/PeopleFilter/PeopleFilters.tsx

@@ -0,0 +1,112 @@
+import { ChangeEvent } from 'react';
+import { useSearchParams } from 'react-router-dom';
+import classNames from 'classnames';
+import { SearchLink } from '../SearchLink';
+import { getSearchWith } from '../../utils/searchHelper';
+import { CENTURIES } from '../../constants/centuries';
+
+export const PeopleFilters = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+
+  const query = searchParams.get('query') || '';
+  const sex = searchParams.get('sex') || '';
+  const centuries = searchParams.getAll('centuries');
+
+  const handleQueryChange = (event: ChangeEvent<HTMLInputElement>) => {
+    const search = getSearchWith(searchParams, {
+      query: event.target.value || null,
+    });
+
+    setSearchParams(search);
+  };
+
+  return (
+    <nav className="panel">
+      <p className="panel-heading">Filters</p>
+
+      <p className="panel-tabs" data-cy="SexFilter">
+        <SearchLink
+          className={classNames({ 'is-active': !sex })}
+          params={{ sex: null }}
+        >
+          All
+        </SearchLink>
+
+        <SearchLink
+          className={classNames({ 'is-active': sex === 'm' })}
+          params={{ sex: 'm' }}
+        >
+          Male
+        </SearchLink>
+
+        <SearchLink
+          className={classNames({ 'is-active': sex === 'f' })}
+          params={{ sex: 'f' }}
+        >
+          Female
+        </SearchLink>
+      </p>
+
+      <div className="panel-block">
+        <p className="control has-icons-left">
+          <input
+            data-cy="NameFilter"
+            type="search"
+            className="input"
+            placeholder="Search"
+            value={query}
+            onChange={handleQueryChange}
+          />
+
+          <span className="icon is-left">
+            <i className="fas fa-search" aria-hidden="true" />
+          </span>
+        </p>
+      </div>
+
+      <div className="panel-block">
+        <div className="level is-flex-grow-1 is-mobile" data-cy="CenturyFilter">
+          <div className="level-left">
+            {CENTURIES.map(century => (
+              <SearchLink
+                key={century}
+                data-cy="century"
+                className={classNames('button mr-1', {
+                  'is-info': centuries.includes(century),
+                })}
+                params={{
+                  centuries: centuries.includes(century)
+                    ? centuries.filter(num => century !== num)
+                    : [...centuries, century],
+                }}
+              >
+                {century}
+              </SearchLink>
+            ))}
+          </div>
+
+          <div className="level-right ml-4">
+            <SearchLink
+              data-cy="centuryALL"
+              className={classNames('button is-success', {
+                'is-outlined': centuries.length !== 0,
+              })}
+              params={{ centuries: null }}
+            >
+              All
+            </SearchLink>
+          </div>
+        </div>
+      </div>
+
+      <div className="panel-block">
+        <SearchLink
+          className="button is-link is-outlined is-fullwidth"
+          params={{ query: null, centuries: null, sex: null }}
+        >
+          Reset all filters
+        </SearchLink>
+      </div>
+    </nav>
+  );
+};

src/components/PeopleFilter/index.ts

@@ -0,0 +1 @@
+export * from './PeopleFilters';