add task solution

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/components/Navbar.tsx

@@ -1,4 +1,13 @@
+import cn from 'classnames';
+import { NavLink } from 'react-router-dom';
+
 export const Navbar = () => {
+  const getLinkClass = ({ isActive }: { isActive: boolean }) => {
+    return cn('navbar-item', {
+      'has-background-grey-lighter': isActive,
+    });
+  };
+
   return (
     <nav
       data-cy="nav"
@@ -8,15 +17,13 @@ export const Navbar = () => {
     >
       <div className="container">
         <div className="navbar-brand">
-          <a className="navbar-item" href="#/">Home</a>
+          <NavLink to="/" className={getLinkClass}>
+            Home
+          </NavLink>
 
-          <a
-            aria-current="page"
-            className="navbar-item has-background-grey-lighter"
-            href="#/people"
-          >
+          <NavLink to="/people" className={getLinkClass}>
             People
-          </a>
+          </NavLink>
         </div>
       </div>
     </nav>

src/components/PeopleFilters.tsx

@@ -1,12 +1,52 @@
+import { Link, useSearchParams } from 'react-router-dom';
+import cn from 'classnames';
+import { SearchParams, getSearchWith } from '../utils/searchHelper';
+import { SearchLink } from './SearchLink';
+
+enum SexFilter {
+  All = '',
+  Male = 'm',
+  Female = 'f',
+}
+
 export const PeopleFilters = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const query = searchParams.get('query') || '';
+  const centuries = searchParams.getAll('centuries') || [];
+  const sex = searchParams.get('sex') || '';
+  const centuriesList = [16, 17, 18, 19, 20];
+
+  function setSearchWith(params: SearchParams) {
+    const search = getSearchWith(params, searchParams);
+
+    setSearchParams(search);
+  }
+
+  function toggleCentury(century: number) {
+    return getSearchWith({
+      centuries: centuries.includes(century.toString())
+        ? centuries.filter(item => item !== century.toString())
+        : [...centuries, century.toString()],
+    }, searchParams);
+  }
+
   return (
     <nav className="panel">
       <p className="panel-heading">Filters</p>
 
       <p className="panel-tabs" data-cy="SexFilter">
-        <a className="is-active" href="#/people">All</a>
-        <a className="" href="#/people?sex=m">Male</a>
-        <a className="" href="#/people?sex=f">Female</a>
+        {Object.entries(SexFilter)
+          .map(([key, value]: [key: string, value: string]) => (
+            <SearchLink
+              key={key}
+              className={cn({
+                'is-active': sex === value,
+              })}
+              params={{ sex: value || null }}
+            >
+              {key}
+            </SearchLink>
+          ))}
       </p>
 
       <div className="panel-block">
@@ -16,6 +56,10 @@ export const PeopleFilters = () => {
             type="search"
             className="input"
             placeholder="Search"
+            value={query}
+            onChange={(event) => {
+              setSearchWith({ query: event.target.value || null });
+            }}
           />
 
           <span className="icon is-left">
@@ -27,66 +71,43 @@ export const PeopleFilters = () => {
       <div className="panel-block">
         <div className="level is-flex-grow-1 is-mobile" data-cy="CenturyFilter">
           <div className="level-left">
-            <a
-              data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=16"
-            >
-              16
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=17"
-            >
-              17
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=18"
-            >
-              18
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=19"
-            >
-              19
-            </a>
+            {centuriesList.map(century => (
+              <SearchLink
+                data-cy="century"
+                key={century}
+                className={cn('button mr-1', {
+                  'is-info': centuries.includes(century.toString()),
+                })}
+                params={{
+                  search: toggleCentury(century),
+                }}
+              >
+                {century}
+              </SearchLink>
+            ))}
 
-            <a
-              data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=20"
-            >
-              20
-            </a>
-          </div>
-
-          <div className="level-right ml-4">
-            <a
-              data-cy="centuryALL"
-              className="button is-success is-outlined"
-              href="#/people"
-            >
-              All
-            </a>
+            <div className="level-right ml-4">
+              <SearchLink
+                data-cy="centuryALL"
+                className={cn('button is-success', {
+                  'is-outlined': centuries.length,
+                })}
+                params={{ centuries: null }}
+              >
+                All
+              </SearchLink>
+            </div>
           </div>
         </div>
       </div>
 
       <div className="panel-block">
-        <a
+        <Link
           className="button is-link is-outlined is-fullwidth"
-          href="#/people"
+          to="#/people"
         >
           Reset all filters
-        </a>
+        </Link>
       </div>
     </nav>
   );