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grunt-import-clean

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grunt-import-clean

identify unused imports in es6 modules

  • 0.1.8
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grunt-import-clean

Identify unused imports in ES6 modules.

Overview

grunt-import-clean is a simple plugin that identifies imports that are never referenced in modules utilizing the new ES6 syntax:

import {
  $_is,
  $_slice,
  $_shift,
  $_pop,
  $_forEach,
  $_length
} from 'static/shared';

export default function Constructor() {
  // ...
}

Constructor.prototype = {
  // ...
};

Getting Started

This plugin requires Grunt ~0.4.5

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-import-clean --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks( 'grunt-import-clean' );

The import-clean task

Overview

In your project's Gruntfile, add a section named 'import-clean' to the data object passed into grunt.initConfig().

grunt.initConfig({
  'import-clean': {
  target: [ /* target-specific file paths or patters go here. */ ],
  },
});

Options

PropertyTypeDefaultDescription
forceBooleanfalseA boolean value indicating whether grunt should continue if unused imports are detected.
testBooleanfalseA boolean value indicating whether unit tests should be run.

Usage Examples

In this example, 'import-clean:all' validates imports in all source files, while 'import-clean:some' validates only specific files.

Configuration
grunt.initConfig({
  'import-clean': {
  all: 'src/*.js',
  some: [ 'src/controller.js' , 'src/service.js' ]
  },
});
Output
# success

Validating imports in 5 files... ✓ OK
# error

Validating imports in 5 files...

"controller.js": [
  "$_is",
  "$_forEach"
],
"service.js": [
  "$_isArray"
]

Warning: found 3 unused imports in 2 files. Use --force to continue.

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Package last updated on 02 Jul 2015

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