@seeessence/unit/stream3.js

```bash npm install seeessence/unit ```

var stream = require('stream');
var util = require('util');

var names = {};
var callers = {};

module.exports = function (source, destination, name) {
    
    if (source instanceof Function ||  typeof source === 'function') {
        
        var transform = new stream.PassThrough({
            objectMode: true,
            transform: function(object, encoding, callback) {
                source(object, callback.bind(null, null));
            }
        });
        
    }
    
    transform.pipe = (function (pipe) {
        return function () {
            for (var argument in arguments)
                if (arguments.hasOwnProperty(argument))
                    pipe.call(this, arguments[argument]);
        };
    })(transform.pipe);
    
    if (!process.env.npm_package_config_debug)
        return transform;
    
    if (!name) {
        var caller = arguments.callee.caller.toString();
        callers[caller] = (callers[caller] || caller).replace(
            /([^\s]+)\s*\=\s*stream\s*\(/,
            function () { name = arguments[1]; }
        );
    }
    
    name = name + (++names[name] || !(names[name] = 1) || '');
    
    for (var event in exports.events)
        transform.on(event, exports.events[event]);
    
    return transform;
};

module.exports.regexp = /([^\s\(\+\;]+)\s*\=\s*(stream)\s*\(/;

module.exports.events = {
         end: console.log.bind(console, this.name + ' ended'),
       close: console.log.bind(console, this.name + ' closed'),
       pause: console.log.bind(console, this.name + ' paused'),
       drain: console.log.bind(console, this.name + ' drained'),
      resume: console.log.bind(console, this.name + ' resumed'),
      finish: console.log.bind(console, this.name + ' finished'),
    readable: console.log.bind(console, this.name + ' is readable'),
      unpipe: function (destination) {
                  console.log(this.name + ' unpiped from ' + destination.name);
              },
        data: function (data) {
                  console.log(this.name + ' data is ' + util.inspect(data));
              },
        pipe: function (destination) {
                  console.log(destination.name + ' piped to ' + this.name);
              }
};