writable stream test

Main.hx

import js.node.stream.Writable;
import js.lib.Error;

class Main
{
    static function main()
    {
        var writable = new MyWritable();
        writable.write("write");
        writable.end("end");
        trace(writable.data);
        
    }
}

class MyWritable extends Writable<MyWritable>
{
    public var data:String="";
    public function new ()
    {
        super();
        data="";
    }
    override function _write(chunk:Dynamic,encoding:String,callback:?Error->Void)
    {
        trace(chunk.toString());
        data+=chunk;
        callback();
    }
    override function _final(callback:?Error->Void)
    {
        trace("called");
        callback();
    }
}

results:

Main.hx:26: write
Main.hx:26: end
Main.hx:11: writeend
Main.hx:32: called