request-ctxt - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

examples/express/index.js

+import express from 'express';
+import { expressMiddleware, logger } from 'request-ctxt';
+
+const app = express();
+
+// Configure the logger (optional)
+logger.configure(console);
+
+// Add the middleware early in your middleware chain
+app.use(expressMiddleware({
+    // Optional configuration
+    requestIdHeader: 'x-request-id',
+    getUserId: req => req.user?.id,
+    getExtra: req => ({
+        ip: req.ip,
+        userAgent: req.headers['user-agent']
+    })
+}));
+
+// Example routes
+app.get('/', (req, res) => {
+    logger.info('Handling root request');
+    res.json({ message: 'Hello from Express!' });
+});
+
+app.get('/error', (req, res) => {
+    logger.error('Something went wrong', { error: 'Test error' });
+    res.status(500).json({ error: 'Test error' });
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+    logger.info(`Express server listening on port ${PORT}`);
+});

examples/express/package-lock.json

+{
+  "name": "request-context-express-example",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "request-context-express-example",
+      "version": "1.0.0",
+      "dependencies": {
+        "express": "^4.18.2",
+        "request-ctxt": "file:../.."
+      }
+    },
+    "../..": {
+      "name": "request-ctxt",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "uuid": "^11.1.0"
+      },
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+      "license": "MIT",
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+      "license": "MIT",
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+}

examples/express/package.json

+{
+  "name": "request-context-express-example",
+  "version": "1.0.0",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "request-ctxt": "latest"
+  }
+}

examples/fastify/index.js

+import Fastify from 'fastify';
+import { fastifyMiddleware, logger } from 'request-ctxt';
+
+const fastify = Fastify({
+    logger: false // We'll use our context-aware logger instead
+});
+
+// Configure the logger (optional)
+logger.configure(console);
+
+// Register the middleware
+fastify.addHook('onRequest', fastifyMiddleware({
+    // Optional configuration
+    requestIdHeader: 'x-request-id',
+    getUserId: request => request.user?.id,
+    getExtra: request => ({
+        ip: request.ip,
+        userAgent: request.headers['user-agent']
+    })
+}));
+
+// Example routes
+fastify.get('/', async (request, reply) => {
+    logger.info('Handling root request');
+    return { message: 'Hello from Fastify!' };
+});
+
+fastify.get('/error', async (request, reply) => {
+    logger.error('Something went wrong', { error: 'Test error' });
+    reply.status(500).send({ error: 'Test error' });
+});
+
+const start = async () => {
+    try {
+        const PORT = process.env.PORT || 3000;
+        await fastify.listen({ port: PORT });
+        logger.info(`Fastify server listening on port ${PORT}`);
+    } catch (err) {
+        logger.error('Error starting server', { error: err });
+        process.exit(1);
+    }
+};
+
+start();

examples/fastify/package.json

+{
+  "name": "request-context-fastify-example",
+  "version": "1.0.0",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "fastify": "^4.24.3",
+    "request-ctxt": "latest"
+  }
+}

examples/http/index.js

+import http from 'http';
+import { httpMiddleware, logger } from 'request-ctxt';
+
+// Configure the logger (optional)
+logger.configure(console);
+
+// Create middleware instance with configuration
+const middleware = httpMiddleware({
+    requestIdHeader: 'x-request-id',
+    getUserId: req => req.user?.id,
+    getExtra: req => ({
+        ip: req.socket.remoteAddress,
+        userAgent: req.headers['user-agent']
+    })
+});
+
+// Create server
+const server = http.createServer((req, res) => {
+    middleware(req, res, () => {
+        // Log the request
+        logger.info('Handling request', { url: req.url });
+
+        // Simple router
+        if (req.url === '/') {
+            res.writeHead(200, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({ message: 'Hello from Node.js HTTP!' }));
+        } else if (req.url === '/error') {
+            logger.error('Something went wrong', { error: 'Test error' });
+            res.writeHead(500, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({ error: 'Test error' }));
+        } else {
+            res.writeHead(404, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({ error: 'Not found' }));
+        }
+    });
+});
+
+const PORT = process.env.PORT || 3000;
+server.listen(PORT, () => {
+    logger.info(`HTTP server listening on port ${PORT}`);
+});

examples/http/package.json

+{
+  "name": "request-context-http-example",
+  "version": "1.0.0",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "request-ctxt": "latest"
+  }
+}

examples/pino/index.js

+import express from 'express';
+import pino from 'pino';
+import { expressMiddleware, logger } from 'request-ctxt';
+
+const app = express();
+
+// Configure Pino logger
+const pinoLogger = pino({
+    level: 'debug',
+    timestamp: () => `,"time":"${new Date(Date.now()).toISOString()}"`,
+    formatters: {
+        level: (label) => ({ level: label })
+    }
+});
+
+// Configure our context-aware logger with Pino
+logger.configure(pinoLogger);
+
+// Add the middleware
+app.use(expressMiddleware({
+    requestIdHeader: 'x-request-id',
+    getUserId: req => req.user?.id,
+    getExtra: req => ({
+        ip: req.ip,
+        userAgent: req.headers['user-agent']
+    })
+}));
+
+// Example routes
+app.get('/', (req, res) => {
+    logger.info('Handling root request');
+    logger.debug('Debug information', { someKey: 'someValue' });
+    res.json({ message: 'Hello from Express with Pino!' });
+});
+
+app.get('/error', (req, res) => {
+    logger.error('Something went wrong', { 
+        error: new Error('Test error'),
+        additionalInfo: 'Some context'
+    });
+    res.status(500).json({ error: 'Test error' });
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+    logger.info(`Express server with Pino listening on port ${PORT}`);
+});

examples/pino/package.json

+{
+  "name": "request-context-pino-example",
+  "version": "1.0.0",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "pino": "^8.16.0",
+    "request-ctxt": "latest"
+  }
+}

examples/README.md

+# Request Context Examples
+
+This directory contains example implementations using different Node.js frameworks and logging libraries:
+
+## Setup
+
+Each example is a standalone application that uses the latest version of the request-ctxt package. To run an example:
+
+1. Install dependencies:
+```bash
+cd examples/<example-name>
+npm install
+```
+
+2. Run the example:
+```bash
+npm start
+```
+
+Note: These examples always use the latest version of request-ctxt from npm. In a production environment, you should pin to a specific version.
+
+## Framework Examples
+
+### Express Example
+Basic Express.js implementation with console logging.
+
+### Fastify Example
+Basic Fastify implementation with console logging.
+
+### Native HTTP Example
+Basic Node.js HTTP server implementation with console logging.
+
+## Logger Examples
+
+### Pino Logger Example
+Express.js implementation with Pino logger, demonstrating:
+- Structured JSON logging
+- Custom timestamp formatting
+- Multiple log levels
+- Error serialization
+
+### Winston Logger Example
+Express.js implementation with Winston logger, demonstrating:
+- Structured JSON logging
+- Colorized console output
+- Custom formatting
+- Multiple transports
+
+## Testing the Examples
+
+Each example starts a server on port 3000 (or PORT environment variable) with two endpoints:
+
+1. GET `/` - Returns a success message and logs various levels
+2. GET `/error` - Simulates an error condition with error logging
+
+### Example Requests
+
+```bash
+# Test the success endpoint
+curl http://localhost:3000/
+
+# Test the error endpoint
+curl http://localhost:3000/error
+
+# Test with a custom request ID
+curl -H "x-request-id: test-123" http://localhost:3000/
+```
+
+Each request will generate logs with context information including:
+- Request ID (auto-generated or from header)
+- Path
+- HTTP Method
+- IP Address
+- User Agent
+- Timestamp
+- Log Level
+- Any errors that occur
+
+## Example Output
+
+### Pino Logger
+```json
+{
+  "level": "info",
+  "time": "2023-10-20T12:34:56.789Z",
+  "requestId": "test-123",
+  "path": "/",
+  "method": "GET",
+  "ip": "::1",
+  "userAgent": "curl/7.64.1",
+  "msg": "Handling root request"
+}
+```
+
+### Winston Logger
+```json
+{
+  "level": "info",
+  "message": "Handling root request",
+  "timestamp": "2023-10-20T12:34:56.789Z",
+  "requestId": "test-123",
+  "path": "/",
+  "method": "GET",
+  "ip": "::1",
+  "userAgent": "curl/7.64.1"
+}
+```

examples/winston/index.js

+import express from 'express';
+import winston from 'winston';
+import { expressMiddleware, logger } from 'request-ctxt';
+
+const app = express();
+
+// Configure Winston logger
+const winstonLogger = winston.createLogger({
+    level: 'debug',
+    format: winston.format.combine(
+        winston.format.timestamp(),
+        winston.format.json()
+    ),
+    transports: [
+        new winston.transports.Console({
+            format: winston.format.combine(
+                winston.format.colorize(),
+                winston.format.simple()
+            )
+        })
+    ]
+});
+
+// Configure our context-aware logger with Winston
+logger.configure(winstonLogger);
+
+// Add the middleware
+app.use(expressMiddleware({
+    requestIdHeader: 'x-request-id',
+    getUserId: req => req.user?.id,
+    getExtra: req => ({
+        ip: req.ip,
+        userAgent: req.headers['user-agent']
+    })
+}));
+
+// Example routes
+app.get('/', (req, res) => {
+    logger.info('Handling root request');
+    logger.debug('Debug information', { someKey: 'someValue' });
+    res.json({ message: 'Hello from Express with Winston!' });
+});
+
+app.get('/error', (req, res) => {
+    logger.error('Something went wrong', { 
+        error: new Error('Test error'),
+        additionalInfo: 'Some context'
+    });
+    res.status(500).json({ error: 'Test error' });
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+    logger.info(`Express server with Winston listening on port ${PORT}`);
+});

examples/winston/package.json

+{
+  "name": "request-context-winston-example",
+  "version": "1.0.0",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "winston": "^3.11.0",
+    "request-ctxt": "latest"
+  }
+}

package.json

 {
   "name": "request-ctxt",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Minimal async request-scoped context manager for Node.js frameworks",
@@ -25,3 +25,5 @@ "main": "src/index.js",
     "fastify",
-    "http"
+    "http",
+    "pino",
+    "winston"
   ],
@@ -39,8 +41,12 @@ "author": "@shravan20",
     "express": ">=4.0.0",
-    "fastify": ">=4.0.0"
+    "fastify": ">=4.0.0",
+    "pino": ">=8.0.0",
+    "winston": ">=3.0.0"
   },
   "devDependencies": {
     "express": "^4.18.2",
-    "fastify": "^4.24.3"
+    "fastify": "^4.24.3",
+    "pino": "^8.16.0",
+    "winston": "^3.11.0"
   }
 }

README.md

@@ -130,2 +130,16 @@ # Request Context
 
+## Examples
+
+Check out the [examples](./examples) directory for complete working examples using:
+- Express
+- Fastify
+- Native HTTP Server
+
+Each example demonstrates:
+- Middleware setup
+- Logger configuration
+- Request handling
+- Error handling
+- Context propagation
+
 ## Publishing
@@ -132,0 +146,0 @@

src/context-aware-logger.js

 import { getAll } from './context-manager';
 
 let baseLogger = console; // fallback if no logger configured
+let loggerType = 'console';
 
+function detectLoggerType(logger) {
+    if (logger.constructor.name === 'Pino') return 'pino';
+    if (logger.constructor.name === 'Winston' || logger.constructor.name === 'Logger') return 'winston';
+    return 'console';
+}
+
 function configureLogger(loggerInstance) {
     baseLogger = loggerInstance;
+    loggerType = detectLoggerType(loggerInstance);
 }
 
+function formatForPino(level, message, context) {
+    // Pino expects the message as first argument and context as second
+    return [message, context];
+}
+
+function formatForWinston(level, message, context) {
+    // Winston expects a single object with a message property
+    return [{ message, level, ...context }];
+}
+
+function formatForConsole(level, message, context) {
+    // Console logger expects context object and message
+    return [context, message];
+}
+
 function logWithContext(level, message, extra = {}) {
-    const context = getAll();
-    if (typeof baseLogger[level] === 'function') {
-        baseLogger[level]({ ...context, ...extra }, message);
-    } else {
-        baseLogger.log({ level, ...context, ...extra }, message);
+    const context = { ...getAll(), ...extra };
+    
+    let args;
+    switch (loggerType) {
+        case 'pino':
+            args = formatForPino(level, message, context);
+            if (typeof baseLogger[level] === 'function') {
+                baseLogger[level](...args);
+            } else {
+                baseLogger.info(...args);
+            }
+            break;
+
+        case 'winston':
+            args = formatForWinston(level, message, context);
+            if (typeof baseLogger[level] === 'function') {
+                baseLogger[level](...args);
+            } else {
+                baseLogger.log(...args);
+            }
+            break;
+
+        default: // console or unknown logger
+            args = formatForConsole(level, message, context);
+            if (typeof baseLogger[level] === 'function') {
+                baseLogger[level](...args);
+            } else {
+                baseLogger.log(level, ...args);
+            }
     }
@@ -23,2 +70,4 @@ }
     debug: (msg, extra) => logWithContext('debug', msg, extra),
+    trace: (msg, extra) => logWithContext('trace', msg, extra),
+    fatal: (msg, extra) => logWithContext('fatal', msg, extra),
     configure: configureLogger
@@ -25,0 +74,0 @@ };

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Network access

Supply chain risk

This module accesses the network.

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Improved metrics

Total package byte prevSize

57917

261.53%

Number of package files

23

109.09%

Lines of code

1238

698.71%

Number of lines in readme file

180

8.43%

Worsened metrics

Dependency count

5

66.67%

Dev dependency count

4

100%

Number of low supply chain risk alerts

6

500%

Number of medium supply chain risk alerts

2

Infinity%

No dependency changes