grunt-node-spritesheet.js

/*global module:false*/
module.exports = function(grunt) {

  // Project configuration.
  grunt.initConfig({

    spritesheet: {
      compile: {
        options: {
            output: {
              legacy: {
                outputImage: 'img/spritesheet-legacy.png',
                outputStyleFilePath: 'styles/spritesheet-legacy.css',
                selector: '.sprite-legacy',
                filter: function( fullpath ){ return fullpath.indexOf( "legacy" ) >= 0; }
              },
              spritesheet: {
                outputImage: 'img/spritesheet.png',
                outputStyleFilePath: 'styles/spritesheet.css',
                selector: '.sprite',
                filter: function( fullpath ){ return fullpath.indexOf( "spritesheet" ) >= 0; }
              }
            },
            outputCss: 'styles/spritesheet.css'
        },
        files: { '': 'src/img/**/*' }
      }
    },

    watch: {
      spritesheets: {
        files: ['src/img/**/*'],
        tasks: 'spritesheet'
      }
    }
    
  });


  // Modules
  grunt.loadNpmTasks('node-spritesheet');
  
  // Default task.
  grunt.registerTask('default', 'spritesheet');

};