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README.md

node-ff-assets

A small library providing automatic site assets local/remote aggregation with minify.

Installation

npm install node-ff-assets --save

Usage

// Create config object
var buildConfig = {
	downloadStartDelay: null,
	downloadForce: false,
	downloadOptions: {
		timeout: 10000,
		maxResponseLength: 10000000,
		agent: 'node-ff-assets asset fetcher'
	},
	
	linkTargetSingleResult: process.env.DEV_ASSETS_SINGLE_RESULT || true,
	linkTarget: '/static-uri/js/assets.js',
	linkSources: [
		'/static/js/lib/jquery-2.1.3/jquery.js@http://code.jquery.com/jquery-2.1.3.js',
		'/static/js/site.js'
		],
	linkMapping: ['/static-uri/':'www_static/',],
	
	assetHeader: '\n/* node-ff-assets: begin */\n\n',
	assetFooter: '\n/* node-ff-assets: end */\n\n',
	assetSeperator: '\n/* node-ff-assets: next */\n',
}

// Development override, targets still gets build but result is full list of assets.
buildConfig.linkTargetSingleResult = false;

// Push local js/css files as uri sources into config
NodeFFAssets.pushLinkSourcesSync(buildConfig,  '/static-uri/js/',           'www_public/js/');
NodeFFAssets.pushLinkSourcesSync(buildConfig,  '/static-uri/js/model/',     'www_public/js/model/');
NodeFFAssets.pushLinkSourcesSync(buildConfig,  '/static-uri/js/model/meta', 'www_public/js/model/meta');

// Create builder
var NodeFFAssets = require('node-ff-assets');
var assetBuilderA = new NodeFFAssets.ResourceBuilder(buildConfig);
var assetBuilderB = new NodeFFAssets.ResourceBuilder(buildConfig,NodeFFAssets.FunctionFactory.Constructor.readFile());
var assetBuilderC = new NodeFFAssets.ResourceBuilder(buildConfig,NodeFFAssets.FunctionFactory.Constructor.readFileMinify());
var assetBuilderD = new NodeFFAssets.ResourceBuilder(buildConfig,NodeFFAssets.FunctionFactory.Constructor.readFileMinify(minifyOptions));
var assetBuilderE = new NodeFFAssets.ResourceBuilder(buildConfig,function(file,callback) {
	// return file data to callback(err,data);
);

// Hook events
assetBuilderA.on('begin',               function() { });
assetBuilderA.on('end',                 function() { });
assetBuilderA.on('log',                 function(logLevel, logMessage) { });
assetBuilderA.on('error',               function(err) { });
assetBuilderA.on('result',              function(resultValue) { });
assetBuilderA.on('file-download-pre',   function(remoteUrl) { });
assetBuilderA.on('file-download-post',  function(localFile) { });
assetBuilderA.on('file-read-pre',       function(localFile) { });
assetBuilderA.on('file-read-post',      function(localFile) { });
assetBuilderA.on('file-write-pre',      function(targetFile) { });
assetBuilderA.on('file-write-post',     function(targetFile) { });

// Use build in event functions
assetBuilderB.on('log',     NodeFFAssets.FunctionFactory.Event.log.console('css'));
assetBuilderB.on('result',  NodeFFAssets.FunctionFactory.Event.result.objectSet(server,'includeCssFiles'));

// Run builder
assetBuilderC.run(function(err) {
  //done
});

// Run all builders
NodeFFAssets.runAll([
	assetBuilderA,
	assetBuilderB,
	assetBuilderC,
	], function(err) {
		// all done
	});

// Use result

function renderIndex(app) {
	return function (req, res, next) {
		res.render('index', {
			includeCssFiles:    app.get('includeCssFiles'),
			includeJsFiles:     app.get('includeJsFiles'),
		});
	}
};
app.get('/',renderIndex(app));

index.jade
	doctype html
	html(lang='en',ng-app='ffUI')
	  head
	    base(href='/ui')
	    title=title
	    meta(charset='UTF-8')
	    meta(http-equiv='X-UA-Compatible' content='IE=edge')
	    meta(name='viewport' content='width=device-width, initial-scale=1')
	    meta(name='keywords' content=keywords)
	    each cssFile in includeCssFiles
	      link(rel='stylesheet' href='#{cssFile}')
	  body
	    div(id='wrapper')
	      div(ng-include='\'/ui/include/html/layout/header\'')
	      div(id='page-wrapper')
	        div(id='container-fluid')
	          div(ng-view)
	    div(ng-include='\'/ui/include/html/layout/footer\'')
	    each jsFile in includeJsFiles
	      script(src='#{jsFile}')

Example simple

// note1: www_static/[js/css]/lib is versioned ingored.
// note2: server routes;
//   app.use('/static',express.static(path.join(__dirname,'www_static')));
//   app.use('/static/module/bootstrap',express.static(path.join(__dirname,'node_modules/bootstrap/dist')));

var NodeFFAssets = require('node-ff-assets');
var buildCss = new NodeFFAssets.ResourceBuilder({
	linkMapping: {
	    '/static/module/bootstrap/': 'node_modules/bootstrap/dist/',
	    '/static/':                  'www_static/',
	},
	linkTarget: '/static/css/lib/assets.css',
	linkSources: [
	              '/static/module/bootstrap/css/bootstrap.css',
	              '/static/css/site.css',
	              ],
});
buildCss.on('log',     NodeFFAssets.FunctionFactory.Event.log.console('css'));
buildCss.on('result',  NodeFFAssets.FunctionFactory.Event.result.objectSet(server,'includeCssFiles'));
buildCss.run(function(err) {
	// done
})

// Use result as in simple example.

Example complex

var LogWinston     = require('winston');
var Log            = LogWinston.loggers.get('main');
var Mongoose       = require('mongoose');
var NodeFFAssets   = require('node-ff-assets');

function createBuildConfig(type) {
	var singleResult = true || process.env.DEV_ASSETS_SINGLE_RESULT;
	var linkMapping = {
		    '/static/module/bootstrap/': 'node_modules/bootstrap/dist/',
		    '/static/module/flot/':      'node_modules/flot/',
		    '/static/':                  'www_static/',
		}
	if (type == 'css') {
		return {
			linkMapping: linkMapping,
			linkTargetSingleResult: singleResult,
			linkTarget: '/static/css/lib/assets.css',
			linkSources: [
			              '/static/module/bootstrap/css/bootstrap.css',
			              ],
		};
	} else {
		return {
			downloadStartDelay: 200,
			linkTargetSingleResult: singleResult,
			linkMapping: linkMapping,
			linkTarget: '/static/js/lib/assets.js',
			linkSources: [
			              '/static/js/lib/jquery-2.1.3/jquery.js@http://code.jquery.com/jquery-2.1.3.js',
			              '/static/js/lib/foobar/dyna.js@@http://localhost/force-download-on-every-build-for-this-file.js',
			              '/static/module/bootstrap/js/bootstrap.js',
			              '/static/module/flot/jquery.flot.js',
			              '/static/module/flot/jquery.flot.resize.js',
			              '/static/module/flot/jquery.flot.pie.js',
			              '/static/js/lib/angularjs-1.4.0-b4/angular.js@https://code.angularjs.org/1.4.0-beta.4/angular.js',
			              '/static/js/lib/angularjs-1.4.0-b4/angular-route.js@https://code.angularjs.org/1.4.0-beta.4/angular-route.js',
			              '/static/js/lib/angularjs-1.4.0-b4/angular-resource.js@https://code.angularjs.org/1.4.0-beta.4/angular-resource.js',
			              '/static/js/lib/angularjs-1.4.0-b4/angular-touch.js@https://code.angularjs.org/1.4.0-beta.4/angular-touch.js',
			              ],
		};
	}
}

function createBuildLogger(logType) {
	return function(logLevel, logMessage) {
		Log.log(logLevel, 'node-ff-assets-'+logType+' '+logMessage);
	}
};

function buildAssets(server,callback) {
	// Create asset config
	var buildJsConfig = createBuildConfig('js');
	var buildCssConfig = createBuildConfig('css');
	
	// Extends js/css lists with local folders
	NodeFFAssets.pushLinkSourcesSync(buildJsConfig,  '/static/js/',              'www_static/js/');
	NodeFFAssets.pushLinkSourcesSync(buildJsConfig,  '/static/js/controller/',   'www_static/js/controller/');
	NodeFFAssets.pushLinkSourcesSync(buildCssConfig, '/static/css/',             'www_static/css/');
	
	// Extend js list with crud entries
	var localPort = server.get('server config').options.http.port;
	var modelNames = Mongoose.connection.modelNames();
	for (i = 0; i < modelNames.length; i++) {
		var modelName = modelNames[i];
		var assetLink = '/static/js/lib/xcrud/'+modelName+'.js@@http://localhost:'+localPort+'/ui/include/js/controller/'+modelName;
		buildJsConfig.linkSources.push(assetLink);
	}
	
	// Create builders
	var buildJs  = new NodeFFAssets.ResourceBuilder(buildJsConfig); // note: Minify fails here on some js.
	var buildCss = new NodeFFAssets.ResourceBuilder(buildCssConfig,NodeFFAssets.FunctionFactory.Constructor.readFileMinify());
	
	// Config build events
	buildJs.on ('log',     createBuildLogger('js'));
	buildCss.on('log',     createBuildLogger('css'));
	buildJs.on ('result',  NodeFFAssets.FunctionFactory.Event.result.objectSet(server,'includeJsFiles'));
	buildCss.on('result',  NodeFFAssets.FunctionFactory.Event.result.objectSet(server,'includeCssFiles'));
	
	// Run builders
	NodeFFAssets.runAll([buildCss,buildJs],callback);
}

exports.build = function(server) {
	buildAssets(server,function() {
		Log.info('Server init done.');	
	});
}

// Result First run
info: node-ff-assets-css build begin for: /static/css/lib/assets.css
debug: node-ff-assets-css readFile: node_modules/bootstrap/dist/css/bootstrap.css size: 285496
debug: node-ff-assets-css readFile: www_static/css/boot.css size: 1606
debug: node-ff-assets-css readFile: www_static/css/flot.css size: 82
debug: node-ff-assets-css readFile: www_static/css/panel.css size: 545
debug: node-ff-assets-css readFile: www_static/css/style.css size: 10419
debug: node-ff-assets-css target size: 298318
info: node-ff-assets-css build result size: 1 from: 5
info: node-ff-assets-css build done in: 33 ms.
info: node-ff-assets-js build begin for: /static/js/lib/assets.js
debug: node-ff-assets-js downloadFile: http://code.jquery.com/jquery-2.1.3.js
debug: node-ff-assets-js downloadFile: https://code.angularjs.org/1.4.0-beta.4/angular.js
debug: node-ff-assets-js downloadFile: https://code.angularjs.org/1.4.0-beta.4/angular-route.js
debug: node-ff-assets-js downloadFile: https://code.angularjs.org/1.4.0-beta.4/angular-resource.js
debug: node-ff-assets-js downloadFile: https://code.angularjs.org/1.4.0-beta.4/angular-touch.js
debug: node-ff-assets-js downloadFile: http://localhost:8008/ui/include/js/controller/test1
GET /ui/include/js/controller/test1 200 7.931 ms - -
debug: node-ff-assets-js downloadFile: http://localhost:8008/ui/include/js/controller/test2
GET /ui/include/js/controller/test2 200 5.215 ms - -
debug: node-ff-assets-js downloadFile: http://localhost:8008/ui/include/js/controller/test3
GET /ui/include/js/controller/test3 200 1.583 ms - -
debug: node-ff-assets-js readFile: www_static/js/lib/jquery-2.1.3/jquery.js size: 247387
debug: node-ff-assets-js readFile: node_modules/bootstrap/dist/js/bootstrap.js size: 66732
debug: node-ff-assets-js readFile: node_modules/flot/jquery.flot.js size: 110008
debug: node-ff-assets-js readFile: node_modules/flot/jquery.flot.resize.js size: 2504
debug: node-ff-assets-js readFile: node_modules/flot/jquery.flot.pie.js size: 23405
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular.js size: 988198
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular-route.js size: 35796
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular-resource.js size: 26780
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular-touch.js size: 22887
debug: node-ff-assets-js readFile: www_static/js/app-directives.js size: 185
debug: node-ff-assets-js readFile: www_static/js/app-filters.js size: 202
debug: node-ff-assets-js readFile: www_static/js/app-services.js size: 80
debug: node-ff-assets-js readFile: www_static/js/app.js size: 766
debug: node-ff-assets-js readFile: www_static/js/controller/page-about.js size: 364
debug: node-ff-assets-js readFile: www_static/js/controller/page-foobar.js size: 361
debug: node-ff-assets-js readFile: www_static/js/controller/page-index.js size: 351
debug: node-ff-assets-js readFile: www_static/js/controller/page-help.js size: 376
debug: node-ff-assets-js readFile: www_static/js/lib/xcrud/test1.js size: 2010
debug: node-ff-assets-js readFile: www_static/js/lib/xcrud/test2.js size: 2138
debug: node-ff-assets-js readFile: www_static/js/lib/xcrud/test3.js size: 2218
debug: node-ff-assets-js target size: 1540945
info: node-ff-assets-js build result size: 1 from: 24
info: node-ff-assets-js build done in: 3497 ms.
info: Server init done.

// Result Next runs
info: node-ff-assets-css build begin for: /static/css/lib/assets.css
info: Started on port: 8008
debug: node-ff-assets-css readFile: node_modules/bootstrap/dist/css/bootstrap.css size: 285496
debug: node-ff-assets-css readFile: www_static/css/boot.css size: 1606
debug: node-ff-assets-css readFile: www_static/css/flot.css size: 82
debug: node-ff-assets-css readFile: www_static/css/panel.css size: 545
debug: node-ff-assets-css readFile: www_static/css/style.css size: 10419
debug: node-ff-assets-css target size: 298318
info: node-ff-assets-css build result size: 1 from: 5
info: node-ff-assets-css build done in: 36 ms.
info: node-ff-assets-js build begin for: /static/js/lib/assets.js
debug: node-ff-assets-js downloadFile: http://localhost:8008/ui/include/js/controller/test1
GET /ui/include/js/controller/test1 200 7.931 ms - -
debug: node-ff-assets-js downloadFile: http://localhost:8008/ui/include/js/controller/test2
GET /ui/include/js/controller/test2 200 5.215 ms - -
debug: node-ff-assets-js downloadFile: http://localhost:8008/ui/include/js/controller/test3
GET /ui/include/js/controller/test3 200 1.583 ms - -
debug: node-ff-assets-js readFile: www_static/js/lib/jquery-2.1.3/jquery.js size: 247387
debug: node-ff-assets-js readFile: node_modules/bootstrap/dist/js/bootstrap.js size: 66732
debug: node-ff-assets-js readFile: node_modules/flot/jquery.flot.js size: 110008
debug: node-ff-assets-js readFile: node_modules/flot/jquery.flot.resize.js size: 2504
debug: node-ff-assets-js readFile: node_modules/flot/jquery.flot.pie.js size: 23405
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular.js size: 988198
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular-route.js size: 35796
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular-resource.js size: 26780
debug: node-ff-assets-js readFile: www_static/js/lib/angularjs-1.4.0-b4/angular-touch.js size: 22887
debug: node-ff-assets-js readFile: www_static/js/app-directives.js size: 185
debug: node-ff-assets-js readFile: www_static/js/app-filters.js size: 202
debug: node-ff-assets-js readFile: www_static/js/app-services.js size: 80
debug: node-ff-assets-js readFile: www_static/js/app.js size: 766
debug: node-ff-assets-js readFile: www_static/js/controller/page-about.js size: 364
debug: node-ff-assets-js readFile: www_static/js/controller/page-foobar.js size: 361
debug: node-ff-assets-js readFile: www_static/js/controller/page-index.js size: 351
debug: node-ff-assets-js readFile: www_static/js/controller/page-help.js size: 376
debug: node-ff-assets-js readFile: www_static/js/lib/xcrud/test1.js size: 2010
debug: node-ff-assets-js readFile: www_static/js/lib/xcrud/test2.js size: 2138
debug: node-ff-assets-js readFile: www_static/js/lib/xcrud/test3.js size: 2218
debug: node-ff-assets-js target size: 1540945
info: node-ff-assets-js build result size: 1 from: 24
info: node-ff-assets-js build done in: 105 ms.
info: Server init done.

Tests

npm test (TODO)

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.

Release History

  • 0.1.1 Doc updates

  • 0.1.0 Initial release