init datamate

frontend/src/mock/mock-middleware/error-handle-middleware.cjs

@@ -0,0 +1,13 @@
+const errorHandle = (err, req, res, next) => { 
+    if(res.headersSent) {
+        return next(err);
+    }
+    console.error('Server Error:', err.message);
+    res.status(500).json({
+        code: '500',
+        msg: 'Internal Server Error',
+        data: null,
+    });
+};
+
+module.exports = errorHandle;

frontend/src/mock/mock-middleware/index.cjs

@@ -0,0 +1,11 @@
+const setHeader = require('./set-header-middleware.cjs');
+const strongMatch = require('./strong-match-middleware.cjs');   
+const sendJSON = require('./send-json-middleawre.cjs');
+const errorHandle = require('./error-handle-middleware.cjs');
+
+module.exports = {
+    setHeader,
+    strongMatch,
+    sendJSON,   
+    errorHandle,
+};

frontend/src/mock/mock-middleware/send-json-middleawre.cjs

@@ -0,0 +1,18 @@
+const sendJSON = (req, res, next) => {
+    res.sendJSON = (
+        data = null,
+        { code = '0', msg = 'success', statusCode = 200, timeout = 0 } = {}
+    ) => {
+        const timer = setTimeout(() => {
+            res.status(statusCode).json({
+                code,
+                msg,
+                data,
+            });
+            clearTimeout(timer);
+        }, timeout);
+    };
+    next();
+};
+
+module.exports = sendJSON;

frontend/src/mock/mock-middleware/set-header-middleware.cjs

@@ -0,0 +1,14 @@
+const setHeader = (req, res, next) => {
+    res.set({
+        'Access-Control-Allow-Origin': '*',
+        'Access-Control-Allow-Methods': 'GET,POST,PUT,DELETE,OPTIONS',
+        'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+        'Content-Security-Policy': "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; connect-src *; font-src 'self';",
+        'X-Content-Type-Options': 'nosniff',
+        'X-Frame-Options': 'SAMEORIGIN',
+        'X-XSS-Protection': '1; mode=block',
+    });
+    next();
+};          
+
+module.exports = setHeader;

frontend/src/mock/mock-middleware/strong-match-middleware.cjs

@@ -0,0 +1,13 @@
+const API = require('../mock-apis.cjs');
+
+const strongMatch = (req, res, next) => {
+    res.strongMatch = () => {
+        const { url } = req;
+        const index = url.indexOf('?');
+        const targetUrl = index !== -1 ? url.substring(0, index) : url;
+        const isExistedUrl = Object.values(API).includes(targetUrl);
+        return isExistedUrl;
+    };
+    next();
+};
+module.exports = strongMatch;