fixed filtering and moved refersh button into header, added css modules for components

src/App.css

@@ -5,61 +5,11 @@
   box-sizing: border-box;
 }
 
-.block{
-  border-radius: 10px;
-  background-color: #ffffff;
-  border: 1px solid #000000;
-  width: 100%;
-  padding: 15px;
-  margin-bottom: 30px;
-}
 
-.refresh-btn{
-  padding: 5px;
-  background-color: #0000ff;
-  color: #ffffff;
-  border-radius: 10px;
-}
 
-.refresh-btn:hover{
-  opacity: 0.7;
-  cursor: pointer;
-}
 
-.post{
-  display: flex;
-  border-bottom: 1px solid #b3b3b3;
-  border-radius: 10px;
-  margin-bottom: 5px;
-  cursor: pointer;
-}
 
-.post-id{
-  padding: 5px;
-  font-size: 24px;
-}
 
-.post-body{
-  padding: 5px;
-}
 
-.post:hover{
-  background-color: #b3b3b3;
-}
 
-.post-title{
-  font-size: 24px;
-  font-weight: 500;
-}
-
-.refresh-and-search{
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
-
-.refresh-and-search input{
-  border-radius: 10px;
-  padding: 5px;
-}
 

src/App.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState } from 'react'
+import { useEffect, useMemo, useState } from 'react'
 import './App.css'
 import Header from './components/Header'
 import PostList from './components/PostList'
@@ -7,7 +7,7 @@ import axios from 'axios'
 
 function App() {
 
-  const [allPosts, setAllPosts] = useState<Post[]>([]);
+
   const [posts, setPosts] = useState<Post[]>([]);
 
   const [searchTerm, setSearchTerm] = useState("");
@@ -16,7 +16,7 @@ function App() {
   const fetchPosts = async () => {
     const response = await axios.get<Post[]>("https://jsonplaceholder.typicode.com/posts");
 
-    setAllPosts(response.data);
+
     setPosts(response.data);
 
     console.log("Posts fetched:", response.data);
@@ -29,20 +29,34 @@ function App() {
 
   }, [])
 
-  useEffect(() => {
-
-    const normalize = (str: string) => str.replace(/\s+/g, " ").toLowerCase();
 
 
-    if (searchTerm) {
-      const filteredPosts = allPosts.filter(post =>
-        normalize(post.body).includes(searchTerm.toLowerCase()) || post.title.toLowerCase().includes(searchTerm.toLowerCase())
-      );
-      setPosts(filteredPosts);
-    } else {
-      setPosts(allPosts);
+  const normalize = (str: string) => str.replace(/\s+/g, " ").toLowerCase();
+
+
+  const filteredPosts = useMemo(() => {
+    return posts.filter(post => {
+      if (searchTerm == "") {
+        return true;
+      }
+
+      if (normalize(post.body).includes(searchTerm.toLowerCase()) || post.title.toLowerCase().includes(searchTerm.toLowerCase())) {
+        return true;
+
+      } else {
+        return false;
+      }
     }
-  }, [searchTerm, allPosts]);
+
+    );
+  },[posts, searchTerm]);
+
+
+
+
+
+
+
 
 
 
@@ -51,7 +65,7 @@ function App() {
 
       <Header setRefresh={fetchPosts} searchTerm={searchTerm} setSearchTerm={setSearchTerm} />
 
-      <PostList posts={posts} />
+      <PostList posts={filteredPosts} />
 
     </>
 

src/components/Block.module.css

@@ -0,0 +1,8 @@
+.block {
+    border-radius: 10px;
+    background-color: #ffffff;
+    border: 1px solid #000000;
+    width: 100%;
+    padding: 15px;
+    margin-bottom: 30px;
+}

src/components/Block.tsx

@@ -1,10 +1,11 @@
 import type { BlockProps } from "./types";
+import styles from "./Block.module.css";
 
 function Block({title, children}:BlockProps) {
     return (
-        <div className="block">
-            <h1 className="title">{title}</h1>
-            <div className="block-children">
+        <div className={styles.block}>
+            <h1>{title}</h1>
+            <div>
                 {children}
             </div>
         </div>

src/components/Header.module.css

@@ -0,0 +1,22 @@
+.refreshBtn {
+    padding: 5px;
+    background-color: #0000ff;
+    color: #ffffff;
+    border-radius: 10px;
+}
+
+.refreshBtn:hover {
+    opacity: 0.7;
+    cursor: pointer;
+}
+
+.refreshAndSearch {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.refreshAndSearch input {
+    border-radius: 10px;
+    padding: 5px;
+}

src/components/Header.tsx

@@ -1,15 +1,15 @@
 import Block from "./Block";
-import RefreshButton from "./RefreshButton";
 import type { HeaderProps } from "./types";
+import styles from "./Header.module.css";
 
 function Header({setRefresh, searchTerm, setSearchTerm}:HeaderProps) {
 
 
     return (
-    <Block title='Header'>
+    <Block title="Header">
         <hr></hr>
-        <div className="refresh-and-search">
-            <RefreshButton setRefresh={setRefresh}/>
+        <div className={styles.refreshAndSearch}>
+            <button className={styles.refreshBtn} onClick={() => setRefresh()}>Refresh</button>
             <input type="text" name="search" id="search" value={searchTerm} onChange={(e) => setSearchTerm(e.target.value)} placeholder="search..."/>
         </div>
         

src/components/PostItem.module.css

@@ -0,0 +1,25 @@
+.post {
+    display: flex;
+    border-bottom: 1px solid #b3b3b3;
+    border-radius: 10px;
+    margin-bottom: 5px;
+    cursor: pointer;
+}
+
+.postId {
+    padding: 5px;
+    font-size: 24px;
+}
+
+.postBody {
+    padding: 5px;
+}
+
+.post:hover {
+    background-color: #b3b3b3;
+}
+
+.postTitle {
+    font-size: 24px;
+    font-weight: 500;
+}

src/components/PostItem.tsx

@@ -1,10 +1,11 @@
 
 import type { postItemProps } from "./types";
+import styles from "./PostItem.module.css";
 
 function PostItem({post}:postItemProps){
     return (
-        <div className="post">
-            <div className="post-id">{post.id}</div> <div className="post-body" onClick={() => alert("clicked on post: " + post.title)}> <span className="post-title">{post.title}</span>  <br /> <br />{post.body} </div> 
+        <div className={styles.post}>
+            <div className={styles.postId}>{post.id}</div> <div className={styles.postBody} onClick={() => alert("clicked on post: " + post.title)}> <span className={styles.postTitle}>{post.title}</span>  <br /> <br />{post.body} </div> 
         </div>
     )
 }

src/components/RefreshButton.tsx

@@ -1,9 +0,0 @@
-import type { RefreshButtonProps } from "./types";
-
-function RefreshButton({setRefresh}: RefreshButtonProps) {
-    return (
-        <button className="refresh-btn" onClick={() => setRefresh()}>Refresh</button>
-    )
-}
-
-export default RefreshButton;

src/index.css

@@ -18,3 +18,5 @@ body {
 
 
 
+
+