text: var gulp = require('gulp');
  var browserify = require("browserify");
  var source = require('vinyl-source-stream');
  var buffer = require('vinyl-buffer');
  
  gulp.task('default', ['bundle']);
  
  gulp.task("bundle", function () {
    /* These Browserify settings will make a bundle file that is a standalone
       module that can run on Node, rather than a bundle meant to be used in a
       script tag on a webpage. */
    var b = browserify({
      entries: './tweet.js',
      browserField : false,
      builtins : false,
      commondir : false,
      insertGlobalVars : {
          process: undefined,
          global: undefined,
          'Buffer.isBuffer': undefined,
          Buffer: undefined
      },
      standalone: 'index',
    });
  
    return b.bundle()
    .pipe(source('index.js'))
    .pipe(buffer())
    .pipe(gulp.dest("./dist"));
  });
  