feat: Node 版后端支持挂载前端文件夹, 环境变量 SUB_STORE_FRONTEND_PATH, `SUB_STORE_F…

…RONTEND_HOST`, `SUB_STORE_FRONTEND_PORT`

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.118",
+  "version": "2.14.119",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
@@ -16,6 +16,7 @@
   "dependencies": {
     "automerge": "1.0.1-preview.7",
     "body-parser": "^1.19.0",
+    "connect-history-api-fallback": "^2.0.0",
     "express": "^4.17.1",
     "js-base64": "^3.7.2",
     "lodash": "^4.17.21",

backend/src/restful/index.js

@@ -37,4 +37,46 @@ export default function serve() {
     registerMiscRoutes($app);
 
     $app.start();
+
+    if ($.env.isNode) {
+        const path = eval(`require("path")`);
+        const fs = eval(`require("fs")`);
+        const fe_port = eval('process.env.SUB_STORE_FRONTEND_PORT') || 3001;
+        const fe_host =
+            eval('process.env.SUB_STORE_FRONTEND_HOST') || host || '::';
+        const fe_path = eval('process.env.SUB_STORE_FRONTEND_PATH');
+        const fe_abs_path = path.resolve(
+            fe_path || path.join(__dirname, 'frontend'),
+        );
+        if (fe_path) {
+            try {
+                fs.accessSync(path.join(fe_abs_path, 'index.html'));
+            } catch (e) {
+                throw new Error(
+                    `[FRONTEND] index.html file not found in ${fe_abs_path}`,
+                );
+            }
+
+            const express_ = eval(`require("express")`);
+            const history = eval(`require("connect-history-api-fallback")`);
+
+            const app = express_();
+
+            const staticFileMiddleware = express_.static(fe_path);
+
+            app.use(staticFileMiddleware);
+            app.use(
+                history({
+                    disableDotRule: true,
+                    verbose: true,
+                }),
+            );
+            app.use(staticFileMiddleware);
+
+            const listener = app.listen(fe_port, fe_host, () => {
+                const { address, port } = listener.address();
+                $.info(`[FRONTEND] ${address}:${port}`);
+            });
+        }
+    }
 }

backend/src/vendor/express.js

@@ -32,7 +32,7 @@ export default function express({ substore: $, port, host }) {
         app.start = () => {
             const listener = app.listen(port, host, () => {
                 const { address, port } = listener.address();
-                $.info(`Express started on ${address}:${port}`);
+                $.info(`[BACKEND] ${address}:${port}`);
             });
         };
         return app;