feat: ready to deploy nestjs to vercel

.eslintrc

@@ -0,0 +1,18 @@
+{
+  "root": true,
+  "env": {
+    "node": true
+  },
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
+  },
+  "plugins": ["prettier"],
+  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
+  "rules": {
+    "prettier/prettier": "error",
+    "no-unused-vars":"warn"
+  },
+  "ignorePatterns": ["tests","out", "dist", "**/*.d.ts","tsconfig.json"]
+}

.gitignore

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+node_modules
+dist
+.log
+.debug

.prettierrc

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+{
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "endOfLine": "lf"
+}

README.md

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+# Vercel-nest
+
+Vercel builder for Nestjs
+
+Help you to deploy [Nestjs](https://docs.nestjs.com/) application on [Vercel](https://vercel.com) in SSR mode
+
+# Usage
+
+## 2. Configure `vercel-nest` as builder in `vercel.json`
+
+### Add a `vercel.json` file to your project root path
+
+```json
+{
+  "version": 2,
+  "builds": [
+    {
+      "src": "package.json",
+      "use": "vercel-nest"
+    }
+  ]
+}
+```

build.mjs

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+import { join } from 'node:path';
+import { readFileSync } from 'node:fs';
+import { build } from 'esbuild';
+
+const pkgPath = join(process.cwd(), 'package.json');
+const pkg = JSON.parse(readFileSync(pkgPath, 'utf8'));
+const externals = Object.keys(pkg.dependencies || {});
+
+await build({
+  entryPoints: ['src/index.ts'],
+  format: 'cjs',
+  outdir: 'dist',
+  platform: 'node',
+  bundle: true,
+  external: ['@vercel/build-utils', ...externals],
+});

package.json

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+{
+  "name": "vercel-nest",
+  "version": "0.0.1",
+  "description": "",
+  "main": "dist/index.js",
+  "files": [
+    "dist"
+  ],
+  "exports": {
+    ".": "./dist/index.js"
+  },
+  "repository": {
+    "url": "https://github.com/dongwa/vercel-nest"
+  },
+  "scripts": {
+    "build": "node build.mjs",
+    "prepublishOnly": "npm run release",
+    "release": "npm run build",
+    "lint": "eslint --ext .js,.ts,.json ./",
+    "fix": "eslint --ext .js,.ts,.json ./ --fix",
+    "format": "prettier --config ./.prettierrc --write \"./**/*.{ts,js,json}\" ",
+    "test": "jest",
+    "ver": "standard-version",
+    "vermi": "standard-version -r minor",
+    "verma": "standard-version -r major",
+    "verp": "standard-version -p beat"
+  },
+  "author": "dongwa",
+  "license": "MIT",
+  "jest": {
+    "transform": {
+      "^.+\\.(t|j)sx?$": "ts-jest"
+    },
+    "testRegex": "(/test/.*|(\\.|/)(test|spec))\\.(ts)$",
+    "moduleFileExtensions": [
+      "ts",
+      "js",
+      "json",
+      "node"
+    ]
+  },
+  "devDependencies": {
+    "@types/fs-extra": "^9.0.13",
+    "@types/jest": "^27.5.0",
+    "@types/node": "^17.0.31",
+    "@typescript-eslint/eslint-plugin": "^5.22.0",
+    "@typescript-eslint/parser": "^5.22.0",
+    "@vercel/build-utils": "7.5.1",
+    "build": "^0.1.4",
+    "esbuild": "^0.20.0",
+    "eslint": "^8.14.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-prettier": "^4.0.0",
+    "jest": "^28.0.3",
+    "prettier": "^2.6.2",
+    "ts-jest": "^28.0.0",
+    "typescript": "^4.6.4"
+  },
+  "dependencies": {
+    "@types/glob": "^7.2.0",
+    "@vercel/node-bridge": "^2.2.1",
+    "@vercel/routing-utils": "^1.13.2",
+    "consola": "^2.15.3",
+    "execa": "5.1.1",
+    "fs-extra": "^10.1.0",
+    "jiti": "^1.19.1",
+    "path-to-regexp": "^6.2.1"
+  },
+  "standard-version": {
+    "skip": {
+      "commit": true,
+      "tag": true
+    }
+  }
+}