Merge pull request #242 from toadkicker/make_cli_faster

this is a quick attempt at speeding up the init of CLI…

bin/embark

@@ -1,4 +1,4 @@
 #!/usr/bin/env node
-
-var Embark = require('..');
-Embark.process(process.argv);
+var Cmd = require('../lib/cmd');
+var cli = new Cmd();
+cli.process(process.argv);

lib/cmd.js

@@ -1,9 +1,9 @@
 var program = require('commander');
 var colors = require('colors');
 var shelljs = require('shelljs');
+var Embark = require('../lib/index')();
 
-var Cmd = function(Embark) {
-  this.Embark = Embark;
+var Cmd = function() {
   program.version(Embark.version);
 };
 
@@ -27,7 +27,6 @@ Cmd.prototype.process = function(args) {
 };
 
 Cmd.prototype.newApp = function() {
-  var self = this;
   program
   .command('new [name]')
   .description('new application')
@@ -39,32 +38,29 @@ Cmd.prototype.newApp = function() {
       console.log("e.g embark new --help for more information".green);
       process.exit(9);
     }
-    self.Embark.generateTemplate('boilerplate', './', name);
+    Embark.generateTemplate('boilerplate', './', name);
   });
 };
 
 Cmd.prototype.demo = function() {
-  var self = this;
   program
   .command('demo')
   .description('create a working dapp with a SimpleStorage contract')
   .action(function() {
-    self.Embark.generateTemplate('demo', './', 'embark_demo');
+    Embark.generateTemplate('demo', './', 'embark_demo');
   });
 };
 
 Cmd.prototype.build = function() {
-  var self = this;
   program
   .command('build [environment]')
   .description('deploy and build dapp at dist/ (default: development)')
   .action(function(env, options) {
-    self.Embark.build({env: env || 'development'});
+    Embark.build({env: env || 'development'});
   });
 };
 
 Cmd.prototype.run = function() {
-  var self = this;
   program
   .command('run [environment]')
   .option('-p, --port [port]', 'port to run the dev webserver (default: 8000)')
@@ -74,7 +70,7 @@ Cmd.prototype.run = function() {
   .option('--no-color', 'no colors in case it\'s needed for compatbility purposes')
   .description('run dapp (default: development)')
   .action(function(env, options) {
-    self.Embark.run({
+    Embark.run({
       env: env || 'development',
       serverPort: options.port,
       serverHost: options.host,
@@ -85,22 +81,20 @@ Cmd.prototype.run = function() {
 };
 
 Cmd.prototype.blockchain = function() {
-  var self = this;
   program
   .command('blockchain [environment]')
   .option('-c, --client [client]', 'Use a specific ethereum client or simulator (supported: geth, parity, ethersim, testrpc')
   .description('run blockchain server (default: development)')
   .action(function(env ,options) {
-    self.Embark.initConfig(env || 'development', {
+    Embark.initConfig(env || 'development', {
         embarkConfig: 'embark.json',
         interceptLogs: false
     });
-    self.Embark.blockchain(env || 'development', options.client || 'geth');
+    Embark.blockchain(env || 'development', options.client || 'geth');
   });
 };
 
 Cmd.prototype.simulator = function() {
-  var self = this;
   program
   .command('simulator [environment]')
   .description('run a fast ethereum rpc simulator')
@@ -108,11 +102,11 @@ Cmd.prototype.simulator = function() {
   .option('-p, --port [port]', 'port to run the rpc simulator (default: 8000)')
   .option('-h, --host [host]', 'host to run the rpc simulator (default: localhost)')
   .action(function(env, options) {
-    self.Embark.initConfig(env || 'development', {
+    Embark.initConfig(env || 'development', {
         embarkConfig: 'embark.json',
         interceptLogs: false
     });
-    self.Embark.simulator({port: options.port, host: options.host});
+    Embark.simulator({port: options.port, host: options.host});
   });
 };
 
@@ -126,16 +120,15 @@ Cmd.prototype.test = function() {
 };
 
 Cmd.prototype.upload = function() {
-  var self = this;
   program
   .command('upload [platform] [environment]')
   .description('upload your dapp to a decentralized storage. possible options: ipfs, swarm (e.g embark upload swarm)')
   .action(function(platform, env, options) {
     // TODO: get env in cmd line as well
-    self.Embark.initConfig(env || 'development', {
+    Embark.initConfig(env || 'development', {
         embarkConfig: 'embark.json', interceptLogs: false
     });
-    self.Embark.upload(platform);
+    Embark.upload(platform);
   });
 };
 

lib/index.js

@@ -6,58 +6,46 @@ var colors = require('colors');
 
 var Engine = require('./core/engine.js');
 
-var Blockchain = require('./cmds/blockchain/blockchain.js');
-var Simulator = require('./cmds/simulator.js');
-var TemplateGenerator = require('./cmds/template_generator.js');
-
 var Test = require('./core/test.js');
-var Logger = require('./core/logger.js');
-var Config = require('./core/config.js');
-var Events = require('./core/events.js');
-
-var Dashboard = require('./dashboard/dashboard.js');
 
 var IPFS = require('./upload/ipfs.js');
 var Swarm = require('./upload/swarm.js');
 
-var Cmd = require('./cmd.js');
 var version = require('../package.json').version;
 
-var Embark = {
+var Embark = function () {
+  function initConfig (env, options) {
+    var Events = require('./core/events.js');
+    var Logger = require('./core/logger.js');
+    var Config = require('./core/config.js');
 
-  version: version,
-
-  process: function(args) {
-    var cmd = new Cmd(Embark);
-    cmd.process(args);
-  },
-
-  initConfig: function(env, options) {
     this.events = new Events();
     this.logger = new Logger({logLevel: 'debug'});
 
     this.config = new Config({env: env, logger: this.logger, events: this.events});
     this.config.loadConfigFiles(options);
     this.plugins = this.config.plugins;
-  },
+  }
 
-  blockchain: function(env, client) {
-    var blockchain = Blockchain(this.config.blockchainConfig, client, env);
-    blockchain.run();
-  },
+  function blockchain (env, client) {
+    return require('./cmds/blockchain/blockchain.js')(this.config.blockchainConfig, client, env).run();
+  }
 
-  simulator: function(options) {
+  function simulator (options) {
+    var Simulator = require('./cmds/simulator.js');
     var simulator = new Simulator({blockchainConfig: this.config.blockchainConfig});
     simulator.run(options);
-  },
+  }
 
-  generateTemplate: function(templateName, destinationFolder, name) {
+  function generateTemplate (templateName, destinationFolder, name) {
+    var TemplateGenerator = require('./cmds/template_generator.js');
     var templateGenerator = new TemplateGenerator(templateName);
     templateGenerator.generate(destinationFolder, name);
-  },
+  }
+
+  function run (options) {
+    var Dashboard = require('./dashboard/dashboard.js');
 
-  run: function(options) {
-    var self = this;
     var env = options.env;
 
     var engine = new Engine({
@@ -139,10 +127,9 @@ var Embark = {
         engine.events.emit('firstDeploymentDone');
       }
     });
-  },
+  }
 
-  build: function(options) {
-    var self = this;
+  function build (options) {
 
     var engine = new Engine({
       env: options.env,
@@ -177,14 +164,14 @@ var Embark = {
       // needed due to child processes
       process.exit();
     });
-  },
+  }
 
-  initTests: function(options) {
+  function initTests (options) {
     return new Test(options);
-  },
+  }
 
   // TODO: should deploy if it hasn't already
-  upload: function(platform) {
+  function upload (platform) {
     if (platform === 'ipfs') {
       var ipfs = new IPFS({buildDir: 'dist/', plugins: this.plugins, storageConfig: this.config.storageConfig});
       ipfs.deploy();
@@ -197,6 +184,18 @@ var Embark = {
     }
   }
 
+  return {
+    version: version,
+    initConfig: initConfig,
+    blockchain: blockchain,
+    simulator: simulator,
+    generateTemplate: generateTemplate,
+    run: run,
+    build: build,
+    initTests: initTests,
+    upload: upload
+  };
+
 };
 
 module.exports = Embark;