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// Combining streams to handle errors
// By default, emitting an error on a stream will cause it to be thrown unless it already has a listener attached to the error event. This gets a bit tricky when you're working with longer pipelines of streams.

// By using multistream you can turn a series of streams into a single stream, meaning you only need to listen to the error event in one place in your code.

// Here's an example of using it in a gulpfile:

var Multistream = require('multistream');
var uglify = require('gulp-uglify');
var gulp = require('gulp');

gulp.task('test', function() {
  var combined = Multistream([
    gulp.src('bootstrap/js/*.js'),
    uglify(),
    gulp.dest('public/bootstrap')
  ]);

  // any errors in the above streams will get caught
  // by this listener, instead of being thrown:
  combined.on('error', console.error.bind(console));

  return combined;
});