From e95d3b91654191cd0348e201c33290b586982ca3 Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Mon, 22 Mar 2021 20:40:21 +0900
Subject: [PATCH] react web game : Context API - createContext, Provider

---
 react_webgame/main/Form.jsx       | 13 +++++++---
 react_webgame/main/MineSearch.jsx | 41 ++++++++++++++++++++++++++++---
 2 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/react_webgame/main/Form.jsx b/react_webgame/main/Form.jsx
index a44fb57c..03657786 100644
--- a/react_webgame/main/Form.jsx
+++ b/react_webgame/main/Form.jsx
@@ -1,9 +1,11 @@
-import React, { useState, useCallback } from "react";
+import React, { useState, useCallback, useContext } from "react";
+import { START_GAME, TableContext } from "./MineSearch";
 
 const Form = () => {
   const [row, setRow] = useState(10);
   const [cell, setCell] = useState(10);
   const [mine, setMine] = useState(20);
+  const { dispatch } = useContext(TableContext);
 
   const onChangeRow = useCallback((e) => {
     setRow(e.target.value);
@@ -14,9 +16,12 @@ const Form = () => {
   const onChangeMine = useCallback((e) => {
     setMine(e.target.value);
   }, []);
-  const onClickBtn = useCallback((e) => {
-    setMine(e.target.value);
-  }, []);
+  const onClickBtn = useCallback(
+    (e) => {
+      dispatch({ type: START_GAME, row, cell, mine });
+    },
+    [row, cell, mine]
+  );
 
   return (
     <div>
diff --git a/react_webgame/main/MineSearch.jsx b/react_webgame/main/MineSearch.jsx
index f73e4269..690f80b1 100644
--- a/react_webgame/main/MineSearch.jsx
+++ b/react_webgame/main/MineSearch.jsx
@@ -1,14 +1,43 @@
-import React, { useReducer } from "react";
+import React, { createContext, useReducer, useMemo } from "react";
+import Form from "./Form";
 import Table from "./Table";
 
+// 칸의 상태에 따라 코드 부여
+export const CODE = {
+  MINE: -7,
+  NORMAL: -1,
+  QUESTION: -2,
+  FLAG: -3,
+  QUESTION_MINE: -4,
+  FLAG_MINE: -5,
+  CLICKED_MINE: -6,
+  OPENED: 0, // 0 이상이면 다 opened
+};
+
+// context api
+export const TableContext = createContext({
+  tableData: [],
+  dispatch: () => {},
+});
+
+// state 초기값
 const initialState = {
   tableData: [],
   timer: 0,
   result: "",
 };
 
+// action 명
+export const START_GAME = "START_GAME";
+
+// action 동작 정의
 const reducer = (state, action) => {
   switch (action.type) {
+    case START_GAME:
+      return {
+        ...state,
+        tableDate: plantMine(action.row, action.cell, action.mine),
+      };
     default:
       return state;
   }
@@ -16,14 +45,18 @@ const reducer = (state, action) => {
 
 const MineSearch = () => {
   const [state, dispatch] = useReducer(reducer, initialState);
-  const { result } = state;
+
+  const value = useMemo(() => {
+    tableData: state.tableData, dispatch;
+  }, [state.tableData]);
+
   return (
-    <>
+    <TableContext.Provider value={value}>
       <Form />
       <div>{timer}</div>
       <Table />
       <div>{result}</div>
-    </>
+    </TableContext.Provider>
   );
 };