Introduction to `meteor-node-stubs`

The `meteor-node-stubs` package is a crucial component in the Meteor ecosystem that allows developers to use Node.js core modules on the client-side. This package is essentially a set of polyfills that enable these Node.js modules to work seamlessly in browser environments.

Core APIs and Examples

Buffer API

The Buffer class is used to handle binary data directly. Here’s an example:

  const buffer = Buffer.from('hello world', 'utf-8');
  console.log(buffer.toString('hex'));

EventEmitter API

The EventEmitter class is central to the Node.js event system:

  const EventEmitter = require('events');
  const emitter = new EventEmitter();

  emitter.on('event', () => {
    console.log('An event occurred!');
  });

  emitter.emit('event');

Path API

The path module provides utilities for working with file and directory paths:

  const path = require('path');

  const fullPath = path.join('/foo', 'bar', 'baz');
  console.log(fullPath);

Application Example

An example application using some of the APIs mentioned above:

  // Import required modules
  const Buffer = require('buffer').Buffer;
  const EventEmitter = require('events');
  const path = require('path');

  // Create and log a buffer
  const buffer = Buffer.from('hello app', 'utf-8');
  console.log(buffer.toString('hex'));

  // Initialize EventEmitter and set up an event listener
  const emitter = new EventEmitter();
  emitter.on('customEvent', (message) => {
    console.log('Event received: ' + message);
  });

  // Emit the event
  emitter.emit('customEvent', 'Hello from EventEmitter');

  // Calculate and log a path
  const appPath = path.join('app', 'data', 'file.txt');
  console.log(appPath);

Conclusion

In this guide, we have explored the core functionalities of the meteor-node-stubs package and provided examples of how to use commonly used APIs like Buffer, EventEmitter, and Path. These features enable Meteor applications to leverage the rich set of Node.js APIs on the client-side, making it easier to develop versatile web applications.

Note: Always refer to the official documentation of meteor-node-stubs for more detailed information and updates.

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