grunt-photobox

Plugin to prevent your project of broken layout via screenshot photo sessions of your site.

npm install grunt-photobox
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grunt-photobox

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Plugin to prevent your project of broken layout via screenshot photo sessions of your site.

Getting Started

This plugin requires Grunt ~0.4.1

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-photobox --save-dev

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

grunt.loadNpmTasks('grunt-photobox');

The "photobox" task

Overview

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

grunt.initConfig({
  photobox: {
      task : {
      options: {
          // Task-specific options go here.
      }
    }
  },
})

Photobox helps you to not deploy any broken layout to production. It takes screenshots of you current site.

Additionally you got the feature, to keep the last photosession and to overlay old and new screenshots, to see even better if something is broken or not. BE ALWAYS SURE, THAT YOU HAVEN'T BROKEN LAYOUT THE EASY WAY.

ImageMagick and Canvas representation (generated diff):

image

Options

options.indexPath

Type: String

Default value: photobox/

A string value that is used to set the path to the generated images and index.html.

Per default a photobox folder will be generated and inside of that folder an index.html is located to check for broken layout.

options.screenSizes

Type: Array

Default value: [ '800' ]

[NOTE: Values like '800x600' are deprecated since version 0.5.0.]

An array containing strings, that represents the wished width in pixels of the taken pictures. The height will be calculated automatically depending on the given site.

E.g. '800' -> width: 800px;

options.urls

Type: Array

Default value: [ 'http://google.com' ]

An array containing strings, that represents the wished urls for the photosession.

options.userName

Type: String

Default value: ``

A string representing the username in case of HTTP-Authentification.

options.password

Type: String

Default value: ``

A string representing the password in case of HTTP-Authentification.

options.template

Type: String|Object

Default value: canvas

A string value that is used to set the template to display your screenshots. Possible values:

  • canvas -> uses Canvas to show differences in screenshots.
  • magic -> uses ImageMagick to show the difference of old and new screenshots.

If you want to use ImageMagick by setting options.template to magic make sure ImageMagick and included commands are installed on your system:

Check the following commands in your environment:

$ which covert
/opt/local/bin/convert
$ which composite
/opt/local/bin/composite

If you want to pimp your via canvas generated diff images there is the option available to pass in an object as template instead of a string.

options : {
  ...
  template       : {
    name    : 'canvas',
    options : {
      highlightColor : '#0000ff',  //
      diffFilter     : 'grayscale' //  default == no filter 'grayscale' | 'darker' | 'brighter'
    }
  }
  ...
}
options.template.name

Type: String

Currently only supported set to canvas.

options.template.options.highlightColor

Type: String

Default value: '#0000ff'

A string representing a given color for highlighted different areas.

options.template.options.diffFilter

Type: String

Default value: default

4 modes for diff image processing are available:

  • default - image information in diff image will not be changed
  • grayscale - image information in diff image will be changed to grayscale
  • darker - image information in diff image will be changed to a darker image
  • brighter - image information in diff image will be change to a brighter image

Usage Examples

Default Options

In this example, the default options are used to do just show what is possible. Run grunt photobox without any custom options and you will get a new file at photobox/index.html.

It will consist of a screenshot for the default url ( http://google.com ) in the default width 800px.

grunt.initConfig( {
  photobox: {
    task: {
      options: {}
    }
  }
});

Options

Now let's customize everything for your needs.

grunt.initConfig( {
  photobox: {
    task: {
      options: {
        screenSizes : [ '600', '1000', '1200' ],
        urls        : [ 'http://yoursite.com', 'http://yoursite.com/blog', 'http://yoursite.com/catalog' ]
      }
    }
  }
} );

This will generate you 9 screenshots - each url in each size.

Canvas default usage

grunt.initConfig( {
  photobox : {
    waisenkinder : {
      options : {
        indexPath      : 'photobox/',
        highlightColor : '#0000ff',
        screenSizes    : [ '960', '350', '1200' ],
        template       : 'canvas',
        urls           : [ 'http://4waisenkinder.de' ]
      }
    }
  }
} );

Canvas configured usage

grunt.initConfig( {
  photobox : {
    waisenkinder : {
      indexPath      : 'photobox/',
      screenSizes    : [ '960', '350', '1200' ],
      template       : {
        name    : 'canvas',
        options : {
          highlightColor : '#0000ff',  // template.options.hightlightColor || highlightcolor || default
          diffFilter     : 'grayscale' //  'default' == no filter | 'grayscale' | 'darker' | 'brighter'
        }
      },
      urls           : [ 'http://4waisenkinder.de' ]
    }
  }
} );

ImageMagick usage

grunt.initConfig( {
  photobox : {
    waisenkinder : {
      options : {
        indexPath      : 'photobox/',
        screenSizes    : [ '960', '350', '1200' ],
        template       : 'magic',
        urls           : [ 'http://4waisenkinder.de' ]
      }
    }
  }
} );

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

Release History

Please check release history at Github. :)

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