send posting info to board

frontend/src/board/board.tsx

 import React, { useState, MouseEvent, useEffect } from "react";
-import { Link } from "react-router-dom";
+import { Link, useLocation } from "react-router-dom";
 import { PostType } from "../types";
 import Post from "../post/post";
 import { postApi } from "../apis";
@@ -8,11 +8,27 @@ interface Posts {
   posts: PostType[];
 }
 
+interface Newpost {
+  state: PostType;
+}
+
 export default function BoardPage() {
   const [posts, setPosts] = useState<PostType[]>();
+  const location = useLocation() as Newpost;
+  const newPost = location.state;
+
+  // console.log("get newPost Info", newPost);
+
+  const setNewPosts = (newpost: PostType) => {
+    const postArr = posts?.splice(-1, 0, newPost);
+    if (!(postArr === undefined)) {
+      setPosts(postArr);
+    }
+  };
 
   useEffect(() => {
     getDataList();
+    setNewPosts(newPost);
   }, []);
 
   // posts