first commit

.gitignore

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+node_modules
+*.exe

README.md

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+```bash
+cd ~/project/Digital-IDE
+# 下面这两个项目必须下载到同一个目录下，名字不能变
+git clone https://github.com/Digital-EDA/digital-vcd-render 
+git clone https://github.com/Digital-EDA/digital-vcd-backend
+```

package.json

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+{
+  "name": "digital-vcd-backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "serve": "node dist/index.js"
+  },
+  "author": "LSTM-Kirigaya",
+  "license": "MIT",
+  "devDependencies": {
+    "@types/cors": "^2.8.17",
+    "@types/express": "^5.0.0",
+    "@types/morgan": "^1.9.9",
+    "@types/node": "^22.7.5",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.6.3"
+  },
+  "dependencies": {
+    "body-parser": "^1.20.3",
+    "bson": "^6.8.0",
+    "cors": "^2.8.5",
+    "express": "^4.21.1",
+    "morgan": "^1.10.0"
+  }
+}

src/main.ts

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+import * as path from 'path';
+import * as fs from 'fs';
+
+import express, { Request, Response } from 'express';
+import morgan from 'morgan';
+import cors from 'cors';
+
+import bodyParser from 'body-parser';
+import { BSON } from 'bson';
+
+const corsOptions = {
+    origin: 'http://localhost:8080',
+    // 一些旧版浏览器（如 IE11、各种 SmartTV）在 204 状态下会有问题
+    optionsSuccessStatus: 200
+};
+
+const app = express();
+
+app.use(express.json());
+app.use(cors(corsOptions));
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+app.use(morgan('dev'));
+
+// 测试项目部署请看 README.md
+const rootPath = '../digital-vcd-render/public';
+
+app.get('/', (req: Request, res: Response) => {
+    res.send('<h1>Hello, World!</h1><br><img src="https://picx.zhimg.com/v2-b4251de7d2499e942c7ebf447a90d2eb_l.jpg"/>');
+});
+
+app.post('/save-view', async (req: Request, res: Response) => {    
+    try {
+        const { file, payload } = req.body;
+        const savePath = path.join(rootPath, file);
+        const buffer = BSON.serialize(payload);
+        fs.writeFileSync(savePath, buffer);
+    } catch (error) {
+        console.log('error happen in /save-view, ' + error);
+    }
+})
+
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+    console.log(`Server is running on port ${PORT}`);
+});

tsconfig.json

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+{
+    "compilerOptions": {
+        "target": "ES6",
+        "module": "commonjs",
+        "strict": true,
+        "esModuleInterop": true,
+        "skipLibCheck": true,
+        "forceConsistentCasingInFileNames": true,
+        "outDir": "./dist"
+    },
+    "include": ["src/**/*"],
+    "exclude": ["node_modules"]
+}