Proxy exact paths to express

src/servicePlugin/runCommand.js

@@ -1,4 +1,5 @@
 import serverUrl from '../utils/serverUrl';
+import proxyPaths from '../utils/proxyPaths';
 import logSuccessLunch from '../utils/logSuccessLaunch';
 import server from '../server';
 
@@ -29,6 +30,7 @@ export default ({
 
     if (shouldServeApp && !isInProduction) {
       serverUrl.writeToFile(localUrl);
+      proxyPaths.writeToFile(routes);
     }
 
     logSuccessLunch({

src/servicePlugin/serveCommand.js

@@ -2,6 +2,7 @@ import chalk from 'chalk';
 import nodemon from 'nodemon';
 import { commandOptionsDefaults } from '../config';
 import serverUrl from '../utils/serverUrl';
+import proxyPaths from '../utils/proxyPaths';
 
 export default ({
   srvPath,
@@ -35,6 +36,7 @@ export default ({
     nodemon.on('quit', () => {
       resolve();
       serverUrl.deleteFile();
+      proxyPaths.deleteFile();
       process.exit();
     });
   });

src/servicePlugin/webpackConfig.js

@@ -1,12 +1,30 @@
 import serverUrl from '../utils/serverUrl';
+import proxyPaths from '../utils/proxyPaths';
+
 import { done, warn } from '@vue/cli-shared-utils';
 
 export default ({ devServer }) => {
-  if (!serverUrl.isSet()) {
+  if (!serverUrl.isSet() && !proxyPaths.isSet()) {
     warn('You have to launch the express server before ' +
       'if you want to use relative path in your code!', 'Express server');
   } else {
-    devServer.proxy(serverUrl.getFromFile());
+    const url = serverUrl.getFromFile();
+    const routes = proxyPaths.getFromFile();
+
+    let proxyConfig = {
+      '/socket.io': {
+        target: url,
+        ws: true,
+      },
+    };
+
+    for (const route of routes) {
+      proxyConfig[route.path] = {
+        target: url,
+      };
+    }
+
+    devServer.proxy(proxyConfig);
     done('Fallback will be done on your server. You can use relative calls to it in your code.', 'Express server');
   }
 };

src/utils/proxyPaths.js

@@ -0,0 +1,21 @@
+import fs from 'fs';
+import path from 'path';
+
+const tmpPath = path.resolve(__dirname, '.tmpProxyPaths');
+
+export default {
+  isSet () {
+    return fs.existsSync(tmpPath);
+  },
+  getFromFile () {
+    return JSON.parse(fs.readFileSync(tmpPath, 'utf8'));
+  },
+  writeToFile (routes) {
+    fs.writeFileSync(tmpPath, JSON.stringify(routes));
+  },
+  deleteFile () {
+    if (this.isSet()) {
+      fs.unlinkSync(tmpPath);
+    }
+  },
+};