Scaffold TypeScript project and add core logger

.eslintrc.cjs

@@ -0,0 +1,9 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
+  env: { node: true, es2022: true },
+  parserOptions: { ecmaVersion: 2022, sourceType: 'module' },
+  ignorePatterns: ['dist', 'node_modules'],
+};

.gitignore

@@ -37,3 +37,7 @@ _testmain.go
 .zed
 
 deploy.config
+
+node_modules/
+dist/
+coverage/

.prettierrc.json

@@ -0,0 +1,6 @@
+{
+  "singleQuote": true,
+  "semi": true,
+  "printWidth": 100,
+  "trailingComma": "es5"
+}

package.json

@@ -0,0 +1,36 @@
+{
+  "name": "sugarr",
+  "version": "0.1.0",
+  "private": true,
+  "main": "dist/app/index.js",
+  "scripts": {
+    "dev": "tsx watch src/app/index.ts",
+    "build": "tsc -p tsconfig.json",
+    "start": "node dist/app/index.js",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "lint": "eslint src test --ext .ts",
+    "format": "prettier --write ."
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5",
+    "fastify": "^5.0.0",
+    "langfuse": "^3.30.0",
+    "node-cron": "^3.0.3",
+    "openai": "^4.60.0",
+    "pino": "^9.4.0",
+    "zod": "^3.23.8"
+  },
+  "devDependencies": {
+    "@types/node": "^22.7.4",
+    "@types/node-cron": "^3.0.11",
+    "@typescript-eslint/eslint-plugin": "^8.8.0",
+    "@typescript-eslint/parser": "^8.8.0",
+    "eslint": "^8.57.0",
+    "pino-pretty": "^11.2.2",
+    "prettier": "^3.3.3",
+    "tsx": "^4.19.1",
+    "typescript": "^5.6.2",
+    "vitest": "^2.1.1"
+  }
+}

src/core/logging/logger.ts

@@ -0,0 +1,12 @@
+import pino from 'pino';
+
+export type Logger = pino.Logger;
+
+export function createLogger(name: string): Logger {
+  const isProduction = process.env.NODE_ENV === 'production';
+  return pino({
+    name,
+    level: process.env.LOG_LEVEL ?? 'info',
+    transport: isProduction ? undefined : { target: 'pino-pretty' },
+  });
+}

test/core/logging/logger.test.ts

@@ -0,0 +1,11 @@
+import { describe, expect, it } from 'vitest';
+import { createLogger } from '../../../src/core/logging/logger';
+
+describe('createLogger', () => {
+  it('creates a pino logger with the given name bound', () => {
+    const logger = createLogger('test-logger');
+    expect(logger.bindings().name).toBe('test-logger');
+    expect(typeof logger.info).toBe('function');
+    expect(typeof logger.error).toBe('function');
+  });
+});

tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "CommonJS",
+    "moduleResolution": "Node",
+    "lib": ["ES2022"],
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "declaration": false,
+    "sourceMap": true
+  },
+  "include": ["src"]
+}

vitest.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    environment: 'node',
+    include: ['test/**/*.test.ts'],
+  },
+});