fruitstand
Version:
35 lines • 810 B
JavaScript
var stream = require('stream');
var util = require('util');
util.inherits(Duplexer, stream.Duplex);
function Duplexer(opt) {
stream.Duplex.call(this, opt);
this.data = [];
}
Duplexer.prototype._read = function readItem(size) {
var chunk = this.data.shift();
if (chunk == "stop"){
this.push(null);
} else{
if(chunk){
this.push(chunk);
} else {
setTimeout(readItem.bind(this), 500, size);
}
}
};
Duplexer.prototype._write = function(data, encoding, callback) {
this.data.push(data);
callback();
};
var d = new Duplexer();
d.on('data', function(chunk){
console.log('read: ', chunk.toString());
});
d.on('end', function(){
console.log('Message Complete');
});
d.write("I think, ");
d.write("therefore ");
d.write("I am.");
d.write("Rene Descartes");
d.write("stop");