gulp-remove-code

A Gulp plugin to remove sections of code from files based on conditions

Install

npm install gulp-remove-code --save-dev

Usage

const removeCode = require('gulp-remove-code');
 
gulp.src('./src/*.js')
  .pipe(removeCode({ noDevFeatures: true }))
  .pipe(gulp.dest('./dist/'))
 
gulp.src('./src/*.js')
  .pipe(removeCode({ noDevFeatures: true, commentStart: '/*', commentEnd: '*/' }))
  .pipe(gulp.dest('./dist/'))
 
gulp.src('./src/*.coffee')
  .pipe(removeCode({ noDevFeatures: true }))
  .pipe(gulp.dest('./dist/'))

Examples

Remove code from HTML files

<div>
  <!--removeIf(production)-->
  <div class="sandbox-banner">Running in sandbox environment</div>
  <!--endRemoveIf(production)-->
 
  <span>Removing code is easy.</span>
</div>

const removeCode = require('gulp-remove-code');
 
gulp.src('./src/file.html')
  .pipe(removeCode({ production: true }))
  .pipe(gulp.dest('./dist'))

The plugin will remove the code inside the comments, as well as the comments.

Remove code JavaScript files

let value = JSON.stringify({key: 'value'});
 
//removeIf(production)
value = JSON.stringify({key: 'value', production: true}, null, 2);
//endRemoveIf(production)
 
//removeIf(!development)
value = JSON.stringify({key: 'value', development: false}, null, 2);
//endRemoveIf(!development)
 

const removeCode = require('gulp-remove-code');
 
gulp.src('./src/file.js')
  .pipe(removeCode({ production: true }))
  .pipe(gulp.dest('./dist'))

The plugin will remove the code inside the comments, as well as the comments.

Advanced usage

Starting with version 2 of this plugin, conditions can also be expressed using the ! specifier.

// Remove code using *!* (negated) conditions
 
//----------- gulpfile.js -----------
//
const removeCode = require('gulp-remove-code');
 
gulp.src('./src/file.js')
  .pipe(removeCode({ production: false }))
  .pipe(gulp.dest('./dist'))
 
 
//----------- app-file.js -----------
//
//removeIf(!production)
value = JSON.stringify({key: 'value', production: false}, null, 2);
//endRemoveIf(!production)
 

API

removeCode([options])

options

Type: Object

A key value pair map to specify what code should be removed. The truthy values will remove the code.

options.commentStart

Type: String

Default: Detected from file extension. Use // as fallback.

Configure how the start comment is defined.

options.commentEnd

Type: String

Default: Detected from file extension. Use empty as fallback.

Configure how the end comment is defined.

License

MIT © Cristian Trifan