gruntfile.js

/*global module:true*/
(function(){
  'use strict';

  var pkg;

  module.exports = function(grunt) {

    // Project configuration.
    grunt.initConfig({
      // Metadata.
      pkg: pkg = grunt.file.readJSON('picturefill.json'),
      banner: '/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - ' +
        '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
        '<%= pkg.homepage ? "* " + pkg.homepage + "\\n" : "" %>' +
        '* Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>;' +
        ' Licensed <%= _.pluck(pkg.licenses, "type").join(", ") %> */\n',
      // Task configuration.
      clean: {
        files: ['dist']
      },
      concat: {
        options: {
          banner: '<%= banner %>',
          stripBanners: true
        },
        dist: {
          src: ['src/external/matchmedia.js', 'src/picturefill.js'],
          dest: 'dist/picturefill.js'
        }
      },
      uglify: {
        options: {
          banner: '<%= banner %>'
        },
        dist: {
          src: ['<%= concat.dist.src %>'],
          dest: 'dist/picturefill.min.js'
        }
      },
      qunit: {
        files: ['tests/**/*.html']
      },
      jshint: {
        all: {
          options: {
            jshintrc: true
          },
          src: [ 'Gruntfile.js', 'src/*.js', 'tests/*.js' ]
        }
      },
      watch: {
        gruntfile: {
          files: [ 'Gruntfile.js', 'src/*.js', 'tests/*.js' ],
          tasks: [ 'default' ]
        }
      }
    });

    // because the compress plugin is insane
    grunt.task.registerTask( "compress", "compress the dist folder", function() {
      var childProc = require('child_process');
      var done = this.async();

      childProc.exec( "zip -r dist-" + pkg.version + ".zip dist", function() {
        done();
      });
    });

    // These plugins provide necessary tasks.
    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-jshint');
    grunt.loadNpmTasks('grunt-contrib-qunit');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-watch');

    // Default task.
    grunt.registerTask('default', ['test', 'clean', 'concat', 'uglify']);
    grunt.registerTask('test', ['jshint', 'qunit']);
  };
})();