var post = require("gulp-http-post");
 
gulp.task("post",function(){
    gulp.src("src/**/*.js")
        .pipe(post("http://www.mysite.com/"))
        .pipe(gulp.dest("dist"));
});

var post = new require("gulp-http-post");
 
gulp.task("build",function(){
    var options = {
                encoding: "base64",
                callback: function (err, body, response) {
                    if(err){
                        console.error(err);
                    }else{
                        console.log(body);
                        console.log(response);
                    }
                },
                param1: "value1",
                param2: "value2"
                //...
    };
    gulp.src("src/**/*.js")
        .pipe(post("http://www.mysite.com/",options))
        .pipe(gulp.dest("dist"));
})