gulp-transform-stream.js

var path = require('path');
var through = require('through2');
var gutil = require('gulp-util');


module.exports = function beautifyData() {

    // creating a stream through which each file will pass
    var stream = through.obj(function(file, enc, cb) {

        // buffers only for now
        if(file.isBuffer()) {

            var data = file.contents.toString();

            // write the modified data back to the file object
            file.contents = new Buffer("`·.¸¸.·´´¯`··._.·" + data + "`·.¸¸.·´´¯`··._.·");

        }else{
            this.emit("error", new gutil.PluginError("gulp-data-uri-stream", "Only buffers supported", {showStack: true}))
        }

        // make sure the file goes through the next gulp plugin
        this.push(file);

        // tell the stream engine that we are done with this file
        cb();
    });

    return stream;
};