Clone files in memory in a gulp stream
JavaScript
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Latest commit c64d91b Apr 6, 2014 @mariocasciaro 1.0.0

README.md

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Duplicate files in memory.

Install

Install with npm.

npm install --save-dev gulp-clone

Changelog

  • 1.0.0: Breaking change - There is a new operating mode, as explained in the 1st example. The old operating mode is still available under the clone.sink() property.

Example

gulp-clone is useful in all those situations where you perform a destructive operation on your files (as for example concat) and you want to keep your original files for further processing or saving.

var gulp = require('gulp');
var concat = require('gulp-concat');
var clone = require('gulp-clone');
var es = require('event-stream');

gulp.task('default', function () {
    var scripts = gulp.src('assets/**/*.js');

    var bundle = scripts.pipe(clone())
      .pipe(concat('bundle.js'));

    // Merge the streams together, then write them to the out folder
    return es.merge(scripts, bundle).pipe(gulp.dest('out'));
});

##Example - Bypass mode

var gulp = require('gulp');
var concat = require('gulp-concat');
var clone = require('gulp-clone');

var cloneSink = clone.sink();

gulp.task('default', function () {
  gulp.src('assets/**/*.js')
    .pipe(cloneSink)                //<- clone objects streaming through this point
    .pipe(concat("bundle.js"))
    .pipe(cloneSink.tap())          //<- output cloned objects + bundle.js
    .pipe(gulp.dest('out/'));       //<- saves bundle.js + original files in one pass
});

License

MIT @ Mario Casciaro