How to use

ReadStream

function

in

1/process

function zippingTask() {
 log('zipping the code ')
 return src(`${paths.prod_build}/**`)
   .pipe(zip(`${paths.zipped_file_name}`))
   .pipe(dest(`${paths.prod_build}`))
}

gulp.task('default', function () {

  var packagePaths = ['**', 
          '!**/_package/**', 
          '!**/typings/**',
          '!typings', 
          '!_package', 
          '!gulpfile.js']
  
  //add exclusion patterns for all dev dependencies
  var packageJSON = JSON.parse(fs.readFileSync(path.join(__dirname, 'package.json'), 'utf8'));
  var devDeps = packageJSON.devDependencies;

  for(var propName in devDeps)
  {
    var excludePattern1 = "!**/node_modules/" + propName + "/**";
    var excludePattern2 = "!**/node_modules/" + propName;
    packagePaths.push(excludePattern1);
    packagePaths.push(excludePattern2);
  }
  
  return gulp.src(packagePaths)
    .pipe(zip(options.packageName))
    .pipe(gulp.dest(options.packagePath));
});