Solution

README.md

@@ -18,7 +18,7 @@ that will suggest people matching an entered text.
 - Install Prettier Extention and use this [VSCode settings](https://mate-academy.github.io/fe-program/tools/vscode/settings.json) to enable format on save.
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_autocomplete/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://aholubko.github.io/react_autocomplete/) and add it to the PR description.
 - Don't remove the `data-qa` attributes. It is required for tests.
 
 ## Troubleshooting

src/App.tsx

@@ -1,73 +1,25 @@
-import React from 'react';
+import React, { useState } from 'react';
 import './App.scss';
 import { peopleFromServer } from './data/people';
+import { Person } from './types/Person';
+import { Autocomplete } from './Autocomplete';
 
 export const App: React.FC = () => {
-  const { name, born, died } = peopleFromServer[0];
+  const [selectedPerson, setSelectedPerson] = useState<Person | null>(null);
 
   return (
     <div className="container">
       <main className="section is-flex is-flex-direction-column">
         <h1 className="title" data-cy="title">
-          {`${name} (${born} - ${died})`}
+          {selectedPerson
+            ? `${selectedPerson.name} (${selectedPerson.born} - ${selectedPerson.died})`
+            : 'No selected person'}
         </h1>
 
-        <div className="dropdown is-active">
-          <div className="dropdown-trigger">
-            <input
-              type="text"
-              placeholder="Enter a part of the name"
-              className="input"
-              data-cy="search-input"
-            />
-          </div>
-
-          <div className="dropdown-menu" role="menu" data-cy="suggestions-list">
-            <div className="dropdown-content">
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-link">Pieter Haverbeke</p>
-              </div>
-
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-link">Pieter Bernard Haverbeke</p>
-              </div>
-
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-link">Pieter Antone Haverbeke</p>
-              </div>
-
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-danger">Elisabeth Haverbeke</p>
-              </div>
-
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-link">Pieter de Decker</p>
-              </div>
-
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-danger">Petronella de Decker</p>
-              </div>
-
-              <div className="dropdown-item" data-cy="suggestion-item">
-                <p className="has-text-danger">Elisabeth Hercke</p>
-              </div>
-            </div>
-          </div>
-        </div>
-
-        <div
-          className="
-            notification
-            is-danger
-            is-light
-            mt-3
-            is-align-self-flex-start
-          "
-          role="alert"
-          data-cy="no-suggestions-message"
-        >
-          <p className="has-text-danger">No matching suggestions</p>
-        </div>
+        <Autocomplete
+          people={peopleFromServer}
+          onSelected={setSelectedPerson}
+        />
       </main>
     </div>
   );

src/Autocomplete.tsx

@@ -0,0 +1,117 @@
+import { useEffect, useMemo, useState } from 'react';
+import { Person } from './types/Person';
+import debounce from 'lodash.debounce';
+
+type Props = {
+  people: Person[];
+  onSelected: (person: Person | null) => void;
+  delay?: number;
+};
+
+export const Autocomplete = ({ people, onSelected, delay = 300 }: Props) => {
+  const [query, setQuery] = useState('');
+  const [isOpen, setIsOpen] = useState(false);
+  const [appliedQuery, setAppliedQuery] = useState('');
+
+  const normalizedQuery = appliedQuery.trim().toLowerCase();
+
+  let visiblePeople: Person[];
+
+  if (normalizedQuery === '') {
+    visiblePeople = people;
+  } else {
+    visiblePeople = people.filter(person =>
+      person.name.toLowerCase().includes(normalizedQuery),
+    );
+  }
+
+  const applyQuery = useMemo(() => {
+    return debounce((value: string) => {
+      setAppliedQuery(value);
+    }, delay);
+  }, [delay]);
+
+  useEffect(() => {
+    return () => {
+      applyQuery.cancel();
+    };
+  }, [applyQuery]);
+
+  return (
+    <>
+      <div className={isOpen ? 'dropdown is-active' : 'dropdown'}>
+        <div className="dropdown-trigger">
+          <input
+            type="text"
+            placeholder="Enter a part of the name"
+            className="input"
+            data-cy="search-input"
+            value={query}
+            onChange={event => {
+              const value = event.target.value;
+
+              if (value !== query) {
+                onSelected(null);
+              }
+
+              setQuery(value);
+              onSelected(null);
+
+              if (value.trim() === '') {
+                setAppliedQuery('');
+                applyQuery.cancel();
+
+                return;
+              }
+
+              applyQuery(value);
+            }}
+            onFocus={() => setIsOpen(true)}
+          />
+        </div>
+
+        <div className="dropdown-menu" role="menu" data-cy="suggestions-list">
+          <div className="dropdown-content">
+            {visiblePeople.map(person => (
+              <div
+                className="dropdown-item"
+                data-cy="suggestion-item"
+                key={person.slug}
+                onClick={() => {
+                  setQuery(person.name);
+                  setAppliedQuery(person.name);
+                  setIsOpen(false);
+                  onSelected(person);
+                }}
+              >
+                <p
+                  className={
+                    person.sex === 'm' ? 'has-text-link' : 'has-text-danger'
+                  }
+                >
+                  {person.name}
+                </p>
+              </div>
+            ))}
+          </div>
+        </div>
+      </div>
+
+      {isOpen && visiblePeople.length === 0 && (
+        <div
+          className="
+            notification
+            is-danger
+            is-light
+            mt-3
+            is-align-self-flex-start
+            "
+          role="alert"
+          data-cy="no-suggestions-message"
+        >
+          <p className="has-text-danger">No matching suggestions</p>
+        </div>
+      )}
+    </>
+  );
+};

tsconfig.json

@@ -1,10 +1,17 @@
 {
-  "extends": "@mate-academy/students-ts-config",
-  "include": [
-    "src"
-  ],
   "compilerOptions": {
-    "sourceMap": false,
-    "types": ["node", "cypress"]
-  }
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+    "moduleResolution": "Bundler",
+    "allowImportingTsExtensions": false,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "strict": true
+  },
+  "include": ["src"]
 }