Gruntfile.js

var fs = require('fs'),
  path = require('path');

var mocks = [];
function captureMock() {
  return function (req, res, next) {

    // match on POST requests starting with /mock
    if (req.method === 'POST' && req.url.indexOf('/mock') === 0) {

      // everything after /mock is the path that we need to mock
      var path = req.url.substring(5);

      var body = '';
      req.on('data', function (data) {
        body += data;
      });
      req.on('end', function () {

        mocks[path] = body;

        res.writeHead(200);
        res.end();
      });
    } else {
      next();
    }
  };
}

function mock() {
  return function (req, res, next) {
    var url = req.url;
    var found = url.match(/(\?_=[0-9]+)$/);
    if (found) {
      url = url.replace(found[1],"");
    }
    var mockedResponse = mocks[url];
    if (mockedResponse) {
      res.write(mockedResponse);
      res.end();
    } else if (url == "/designs/get_designs.php") {
      // untested
      var dir = path.join("src", "designs");
      var designs = [];
      fs.readdirSync(dir).forEach(function(designDir) {
        var filePath = path.join(dir, designDir);
        var stat = fs.statSync(filePath);
        if (stat.isDirectory()) {
          designs.push(designDir);
        }
      });
      res.write(JSON.stringify(designs));
      res.end();
    } else {
      next();
    }
  };
}

module.exports = function(grunt) {
  var 
    pkg = grunt.file.readJSON('package.json') || {},
    isDirectoryRegEx = /\/$/,
    filesToCompress = [ {
      expand: true, 
      cwd: '.', 
      src: [
        'AUTHORS', 'ChangeLog', 'COPYING', 'INSTALL', 'README', 
        'release/config', 
        'release/config/visu_config.xml', 
        'release/config/visu_config_previewtemp.xml', 
        'release/config/structure_custom.js', 
        'release/config/backup', 
        'release/config/media',
        'release/demo/**',
        'release/dependencies/**',
        'release/designs/**',
        'release/editor/**',
        'release/icon/**',
        '!release/icon/knx-uf-iconset/raw_480x480/**',
        '!release/icon/knx-uf-iconset/knx-uf-iconset/**',
        'release/lib/**',
        'release/plugins/**',
        'release/transforms/**',
        'release/upgrade/**',
        'release/*',
        '!release/build.txt'
      ], 
      dest: 'cometvisu/', 
      mode: function( filename ){
        var isConfig = filename.indexOf( 'release/config' ) > -1;
        
        if( isDirectoryRegEx.test( filename ) )
          return isConfig ? 0777 : 0755;
        return isConfig ? 0666 : 0644;
      }
    } ];

  // Project configuration.
  grunt.initConfig({
    pkg : grunt.file.readJSON('package.json') || {},

    // license header adding
    usebanner: {
      dist: {
        options: {
          position: 'top',
          replace: true,
          linebreak: true,
          process: function( filepath ) {
            var filename = filepath.match(/\/([^/]*)$/)[1];

            return grunt.template.process('/* <%= filename %> \n'+
              ' * \n'+
              ' * copyright (c) 2010-<%= grunt.template.today("yyyy") %>, Christian Mayer and the CometVisu contributers.\n'+
              ' * \n'+
              ' * This program is free software; you can redistribute it and/or modify it\n'+
              ' * under the terms of the GNU General Public License as published by the Free\n'+
              ' * Software Foundation; either version 3 of the License, or (at your option)\n'+
              ' * any later version.\n'+
              ' *\n'+
              ' * This program is distributed in the hope that it will be useful, but WITHOUT\n'+
              ' * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\n'+
              ' * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\n'+
              ' * more details.\n'+
              ' *\n'+
              ' * You should have received a copy of the GNU General Public License along\n'+
              ' * with this program; if not, write to the Free Software Foundation, Inc.,\n'+
              ' * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA\n'+
              ' */\n', {
                  data: {
                    filename: filename,
                    author: pkg.authors[0].name+ " ["+pkg.authors[0].email+"]",
                    version: pkg.version
                  }
              }
            );
          }
        },
        files: {
          src: [ 'src/lib/**/*.js', 'src/structure/**/*.js', 'src/transforms/**/*.js', 'src/designs/*/design_setup.js' ]
        }
      }
    },

    // minify svg icons
    svgmin: {
      options: {
        plugins: [
          {
            convertTransform: false
          }
        ]
      },
      dist: {
        files: [
          {
            expand: true,
            cwd: 'external/knx-uf-iconset/raw_svg/',
            src: '*.svg',
            dest: 'cache/icons/'
          }
        ]
      }
    },

    // build icons
    svgstore: {
      options: {
        prefix : 'kuf-', // This will prefix each <g> ID
        includeTitleElement: false
      },
      default : {
        files: {
          'src/icon/knx-uf-iconset.svg': [
            'cache/icons/*.svg'
          ]
        }
      }
    },
    
    // appcache
    manifest: {
      generate: {
        options: {
          basePath: 'release/',
          preferOnline: false,
          headcomment: " <%= pkg.name %> v<%= pkg.version %>",
          verbose: true,
          timestamp: true,
          hash: true,
          network: [
            'check_config.php',
            'designs/get_designs.php',
            'config/structure_custom.js',
            'editor/index.php',
            'editor/bin/',
            'editor/dataproviders/',
            'upgrade/',
            'lib/library_version.inc.php',
            '*',
            'http://*',
            'https://*'
          ],
          master: ['index.html']
        },
        src: [
          'index.html',
          'main.js',
          'visu_config.xsd',
          'dependencies/require-2.1.15.min.js',
          'icon/*.{png,svg}',
          '!icon/knx-uf-iconset.svg', // don't include the big icon file as it might be too big and prevent the caching of the other files
          'designs/**/*.{js,css,png,ttf,svg}',
          'plugins/**/*.{js,css,png,ttf,svg}',
          '!plugins/diagram/dep/flot/*.js', // alreay mangled in the plugin
          '!**/*.src.js'
        ],
        dest: 'release/cometvisu.appcache'
      }
    },

    // the build script
    requirejs: {
      compile: {
        options: {
          baseUrl: './',
          appDir: 'src/',  // relative to baseUrl
          dir: 'release/',
          mainConfigFile: 'src/main.js',
          optimize: 'uglify2',
          generateSourceMaps: true,
          preserveLicenseComments: false,
          removeCombined: true,
          wrapShim: true,
          skipModuleInsertion: false,
          // config options to handle required CSS files:
          separateCSS: true,
          buildCSS: false,
          paths: {
            'css-builder': '../build/css-builder',
            'normalize': '../build/normalize'
          },

          modules: [
            // the main application
            { name: 'main', include: ['css'] },
            // optimize the plugins
            { name: 'plugins/calendarlist/structure_plugin',   exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/clock/structure_plugin',          exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/colorchooser/structure_plugin',   exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/diagram/structure_plugin',        exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/gauge/structure_plugin',          exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/link/structure_plugin',           exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/mobilemenu/structure_plugin',     exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/openweathermap/structure_plugin', exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/rss/structure_plugin',            exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/rsslog/structure_plugin',         exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/strftime/structure_plugin',       exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/svg/structure_plugin',            exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/timeout/structure_plugin',        exclude: ['structure_custom', 'css', 'normalize']  },
            { name: 'plugins/upnpcontroller/structure_plugin', exclude: ['structure_custom', 'css', 'normalize']  }
          ],
          done: function(done, output) {
            var duplicates = require('rjs-build-analysis').duplicates(output);

            if (duplicates.length > 0) {
              grunt.log.subhead('Duplicates found in requirejs build:');
              grunt.log.warn(duplicates);
              return done(new Error('r.js built duplicate modules, please check the excludes option.'));
            }

            done();
          }
        }
      }
    },

    // javascript syntax checker
    jshint: {
      options: {
       // reporter: require('jshint-stylish'),
        ignores: [ "**/dependencies/**", "**/dep/**"]
      },
      all: [ 'src/**/*.js' ]
    },

    // check coding-style: https://github.com/CometVisu/CometVisu/wiki/Coding-style
    jscs: {
      main: {
        options: {
          excludeFiles: [ "**/dependencies/**", "**/dep/**"],
          //preset: "jquery",
          validateIndentation: 2,
          validateLineBreaks: "LF",
          fix: false
          //maximumLineLength : {
          //  value: 120,
          //  allExcept: [
          //    "comments",
          //    "functionSignature"
          //  ]
          //}
        },
        files: {
          src: [ "src/**/*.js"]
        }
      }
    },

    // make a zipfile
    compress: {
      tar: {
        options: {
          mode: 'tgz',
          level: 9,
          archive: function() {
            return "CometVisu-"+pkg.version+".tar.gz";
          }
        },
        files: filesToCompress
      },
      zip: {
        options: {
          mode: 'zip',
          level: 9,
          archive: function() {
            return "CometVisu-"+pkg.version+".zip";
          }
        },
        files: filesToCompress
      }
    },

    'github-release': {
      options: {
        repository: 'cometvisu/cometvisu',
        release: {
          tag_name: pkg.version,
          name: pkg.version,
          body: pkg.description
        }
      },
      files: {
        src: [ "CometVisu-"+pkg.version+".zip", "CometVisu-"+pkg.version+".tar.gz" ]
      }
    },
    prompt: {
      target: {
        options: {
          questions: [
            {
              config: 'github-release.options.auth.user', // set the user to whatever is typed for this question
              type: 'input',
              message: 'GitHub username:'
            },
            {
              config: 'github-release.options.auth.password', // set the password to whatever is typed for this question
              type: 'password',
              message: 'GitHub password:'
            }
          ]
        }
      },
      githubChanges: {
        options: {
          questions: [
            {
              config: 'githubChanges.dist.options.token', // get personal GitHub tokel to bypass API rate limiting
              type: 'input',
              message: 'GitHub personal token:'
            }
          ]
        }
      }
    },

    jsdoc : {
      html : {
        src: [
          'src/lib/**/*.js',
          'src/plugins/**/*.js',
          'src/structure/**/*.js'
        ],
        options: {
          destination: grunt.option('targetDir') || 'doc/api/html',
          template : "node_modules/ink-docstrap/template",
          configure : "utils/jsdoc.conf.json"
        }
      },
      rst : {
        src: [
          'src/lib/**/*.js',
          'src/plugins/**/*.js',
          'src/structure/**/*.js'
        ],
        options: {
          destination: grunt.option('targetDir') || 'doc/api/rst',
          template : "node_modules/jsdoc-sphinx/template/",
          configure : "utils/jsdoc.conf.json"
        }
      }
    },

    clean: {
      archives : ['*.zip', '*.gz'],
      release: ['release/'],
      iconcache: ['cache/icons'],
      exampleCache: ['cache/widget_examples/jsdoc'],
      apiDoc: ['doc/api']
    },

    "file-creator": {
      version: {
        "src/version": function(fs, fd, done) {
          fs.writeSync(fd, pkg.version);
          done();
        }
      }
    },

    bump: {
      options: {
        files: ['package.json'],
        updateConfigs: [],
        commit: true,
        commitMessage: 'Release v%VERSION%',
        commitFiles: ['package.json'],
        createTag: true,
        tagName: 'v%VERSION%',
        tagMessage: 'Version %VERSION%',
        push: true,
        pushTo: 'upstream',
        gitDescribeOptions: '--tags --always --abbrev=1 --dirty=-d',
        globalReplace: false,
        prereleaseName: "rc",
        metadata: '',
        regExp: false
      }
    },
    
    chmod: {
      options: {
        mode: 'a+w'
      },
      configFiles: {
        // Target-specific file/dir lists and/or options go here.
        src: ['release/config', 'release/config/**']
      }
    },

    githubChanges: {
      dist : {
        options: {
          // Owner and Repository options are mandatory
          owner : 'CometVisu',
          repository : 'CometVisu',
          tagName: pkg.version,
          auth: true,
          token: '', // this will be replaces by the prompt task with the user input
          branch: 'develop',
          betweenTags: 'master...develop',
          onlyPulls: true,
          useCommitBody: true,
          // auth: true, // auth creates a stall for me :(
          file: 'ChangeLog.tmp',
          verbose: true
        }
      }
    },

    // karma unit testing
    karma: {
      unit: {
        configFile: 'karma.conf.js'
      },
      //continuous integration mode: run tests once in PhantomJS browser.
      travis: {
        configFile: 'karma.conf.js',
        singleRun: true,
        browsers: ['PhantomJS'],
        coverageReporter : {
          dir: 'coverage',
          reporters: [
            { type : 'lcov' },
            { type: 'html'},
            { type : 'text-summary' }
          ]
        }
      },
      debug: {
        configFile: 'karma.conf.js',
        singleRun: true,
        browsers: ['PhantomJS'],
        reporters: ['progress'],
        client: {
          captureConsole: true
        }
      }
    },

    // start a simple webserver to serve the cometvisu
    connect: {
      server: {
        options: {
          port: 8000,
          hostname: '*',
          base: "src",
          middleware : function(connect, options, middlewares) {
            // inject out mockup middlewares before the default ones
            middlewares.unshift(captureMock());
            middlewares.unshift(mock());
            return middlewares;
          }
        }
      }
    },

    // protractor end-to-end tests
    protractor: {
      options: {
        configFile: "test/protractor/conf.js", // Default config file
        args: {
          // Arguments passed to the command
        }
      },
      all: {},
      travis: {
        options: {
          args: {
            capabilities: {
              // phantomjs is not recommended by the protractor team, and chrome seems not to work on travis
              browserName: 'firefox'
            }
          }
        }
      },
      screenshots: {
        options: {
          configFile: "utils/protractor.conf.js",
          args: {
            params: {
              subDir: grunt.option('subDir'),
              screenshots: grunt.option('files')
            },
            capabilities: {
              browserName: grunt.option('browserName') || 'firefox',
              marionette: true
            }
          }
        }
      },
      screenshotsSource: {
        options: {
          configFile: "utils/protractor.conf.js",
          args: {
            params: {
              subDir: "jsdoc"
            },
            capabilities: {
              browserName: grunt.option('browserName') || 'firefox',
              marionette: true
            }
          }
        }
      },
      screenshotsManual: {
        options: {
          configFile: "utils/protractor.conf.js",
            args: {
            params: {
              subDir: "manual"
            },
            capabilities: {
              browserName: grunt.option('browserName') || 'firefox',
                marionette: true
            }
          }
        }
      }
    },

    coveralls: {
      options: {
        debug: true,
        coverageDir: 'coverage',
        dryRun: false,
        force: true,
        recursive: true
      }
    },

    shell: {
      updateicons: {
        command: [
          'git submodule init',
          'git submodule update',
          'cd external/knx-uf-iconset',
          'git checkout master',
          'git pull',
          'cd ../../',
          // 'git add external/knx-uf-iconset',
          //'git commit -m "icons updated"'
        ].join('&&')
      },
      // additional build step - TODO include into requirejs when known how to do it...
      // Copy the required files for the 2D demo - and all other files by the 
      // user which try to achive similiar effects
      postbuild: {
        command: [
          'cp src/dependencies/jquery.js release/dependencies/',
          'cp src/lib/CometVisuClient.js release/lib/',
          'mkdir release/transforms',
          'cp src/transforms/Transform*.js release/transforms/'
        ].join('&&')
      }
    },

    scaffold: {
      widgetTest: {
        options: {
          questions: [{
            name: 'widgetName',
            type: 'input',
            message: 'Widget name:'
          }],
          filter: function (result) {
            result['testFileName'] = result.widgetName.substr(0,1).toUpperCase() + result.widgetName.substr(1);
            return result;
          },
          template: {
            "skeletons/widget-test.js": "test/karma/structure/pure/{{testFileName}}-spec.js"
          },
          after: function(result) {
            var filename = "test/karma/structure/pure/"+result.testFileName+"-spec.js";
            var test = grunt.file.read(filename, { encoding: "utf8" }).toString();
            grunt.file.write(filename, test.replace(/%WIDGET_NAME%/g, result.widgetName));
          }
        }
      }
    }
  });

  // custom task to update the version in the releases demo config
  grunt.registerTask('update-demo-config', function() {
    var filename = 'release/demo/visu_config_demo.xml';
    var config = grunt.file.read(filename, { encoding: "utf8" }).toString();
    grunt.file.write(filename, config.replace(/Version:\s[\w\.]+/g, 'Version: '+pkg.version));
    filename = 'release/demo/visu_config_2d3d.xml';
    config = grunt.file.read(filename, { encoding: "utf8" }).toString();
    grunt.file.write(filename, config.replace(/Version:\s[\w\.]+/g, 'Version: '+pkg.version));
    filename = 'release/index.html';
    config = grunt.file.read(filename, { encoding: "utf8" }).toString();
    grunt.file.write(filename, config.replace(/comet_16x16_000000.png/g, 'comet_16x16_ff8000.png'));
  });
  
  // custom task to fix the KNX user forum icons and add them to the iconconfig.js:
  // - replace #FFFFFF with the currentColor
  // - fix viewBox to follow the png icon version
  grunt.registerTask('handle-kuf-svg', function() {
    var filename   = 'src/icon/knx-uf-iconset.svg';
    var iconconfig = 'src/icon/iconconfig.js';
    var svg = grunt.file.read(filename, { encoding: "utf8" }).toString();
    grunt.file.write(filename, svg
      .replace( /#FFFFFF|#fff/g, 'currentColor' )
      .replace( /viewBox="0 0 361 361"/g, 'viewBox="30 30 301 301"' ) // emulate a shave 40 on a 480px image
    );
    
    var symbolRegEx = /<symbol.*?id="kuf-(.*?)".*?>/g;
    var kufIcons = '';
    while( (icon = symbolRegEx.exec( svg )) !== null )
    {
      // icon id = icon[1]
      
      if( kufIcons !== '' )
        kufIcons += ",\n";
      
      kufIcons += "    '" + icon[1] + "': { '*' : { 'white' : '*/white', 'ws' : '*/white', 'antimony' : '*/blue', 'boron' : '*/green', 'lithium' : '*/red', 'potassium' : '*/purple', 'sodium' : '*/orange', '*': { '*' : svgKUF('" + icon[1] + "') } } }";
    }
    var start = '// Do not remove this line: Dynamic Icons Start';
    var end   = '// Do not remove this line: Dynamic Icons End';
    var iconconfigFile = grunt.file.read(iconconfig, { encoding: "utf8" }).toString();
    grunt.file.write(iconconfig, iconconfigFile
      .replace( RegExp( start + '[\\s\\S]*' + end, 'm' ), start + "\n\n" + kufIcons + "\n\n    " + end )
    );
  });

  // Load the plugin tasks
  grunt.loadNpmTasks('grunt-contrib-requirejs');
  grunt.loadNpmTasks('grunt-contrib-jshint');
  grunt.loadNpmTasks("grunt-jscs");
  grunt.loadNpmTasks('grunt-banner');
  grunt.loadNpmTasks('grunt-manifest');
  grunt.loadNpmTasks('grunt-contrib-compress');
  grunt.loadNpmTasks('grunt-github-releaser');
  grunt.loadNpmTasks('grunt-prompt');
  grunt.loadNpmTasks('grunt-contrib-clean');
  grunt.loadNpmTasks('grunt-jsdoc');
  grunt.loadNpmTasks('grunt-file-creator');
  grunt.loadNpmTasks('grunt-bump');
  grunt.loadNpmTasks('grunt-chmod');
  grunt.loadNpmTasks('grunt-github-changes');
  grunt.loadNpmTasks('grunt-karma');
  grunt.loadNpmTasks('grunt-protractor-runner');
  grunt.loadNpmTasks('grunt-contrib-connect');
  grunt.loadNpmTasks('grunt-karma-coveralls');
  grunt.loadNpmTasks('grunt-svgstore');
  grunt.loadNpmTasks('grunt-svgmin');
  grunt.loadNpmTasks('grunt-shell');
  grunt.loadNpmTasks('grunt-scaffold');

  // Default task runs all code checks, updates the banner and builds the release
  grunt.registerTask('buildicons', ['clean:iconcache', 'svgmin', 'svgstore', 'handle-kuf-svg']);
  //grunt.registerTask('default', [ 'jshint', 'jscs', 'usebanner', 'requirejs', 'manifest', 'compress:tar', 'compress:zip' ]);
  grunt.registerTask('build', [ 'updateicons', 'jscs', 'clean', 'file-creator', 'buildicons', 'requirejs', 'shell:postbuild', 'manifest', 'update-demo-config', 'chmod', 'compress:tar', 'compress:zip' ]);
  grunt.registerTask('lint', [ 'jshint', 'jscs' ]);

  grunt.registerTask('release', [ 'prompt', 'build', 'github-release' ]);
  grunt.registerTask('e2e', ['connect', 'protractor:travis']);
  grunt.registerTask('e2e-chrome', ['connect', 'protractor:all']);
  grunt.registerTask('screenshots', ['connect', 'protractor:screenshots']);
  grunt.registerTask('screenshotsSource', ['connect', 'protractor:screenshotsSource']);
  grunt.registerTask('screenshotsManual', ['connect', 'protractor:screenshotsManual']);
  grunt.registerTask('api-doc', ['clean:exampleCache', 'clean:apiDoc', 'jsdoc:html', 'screenshotsSource']);
  grunt.registerTask('changelog', ['prompt:githubChanges', 'githubChanges']);

  // update icon submodule
  grunt.registerTask('updateicons', ['shell:updateicons']);

  grunt.registerTask('default', 'build');

};