move check dependencies to specific commands

bin/embark

@@ -10,26 +10,6 @@ try {
   }
 }
 
-function launchEmbark() {
+var Cmd = require('../cmd/cmd');
-  var Cmd = require('../cmd/cmd');
+var cli = new Cmd();
-  var cli = new Cmd();
+cli.process(process.argv);
-  cli.process(process.argv);
-}
-
-const path = require('path');
-try {
-  const dappPackage = require(path.join(process.cwd(), 'package.json'));
-  require(path.join(process.cwd(), 'embark.json')); // Make sure we are in a Dapp
-  require('check-dependencies')(dappPackage, (state) => {
-    if (state.status) {
-      require('colors');
-      console.error('\nMissing dependencies. Please run npm install'.red);
-      process.exit();
-    }
-    launchEmbark();
-  });
-} catch (_e) {
-  // We are not in a Dapp
-  launchEmbark();
-}
-

cmd/cmd.js

@@ -30,6 +30,25 @@ process.env.NODE_PATH = utils.joinPath(process.env.EMBARK_PATH, 'node_modules')
   (process.env.NODE_PATH ? require('path').delimiter : '') +
   (process.env.NODE_PATH || '');
 
+function checkDeps() {
+  const path = require('path');
+  try {
+    const dappPackage = require(path.join(process.cwd(), 'package.json'));
+    require(path.join(process.cwd(), 'embark.json')); // Make sure we are in a Dapp
+    require('check-dependencies')(dappPackage, (state) => {
+      if (state.status) {
+        require('colors');
+        console.error('\nMissing dependencies. Please run npm install'.red);
+        process.exit();
+      }
+      return true;
+    });
+  } catch (_e) {
+    // We are not in a Dapp
+    return true;
+  }
+}
+
 class Cmd {
   constructor() {
     program.version(embark.version);
@@ -129,6 +148,7 @@ class Cmd {
       .option('--pipeline [pipeline]', __('webpack config to use (default: production)'))
       .description(__('deploy and build dapp at ') + 'dist/ (default: development)')
       .action(function(env, _options) {
+        checkDeps();
         i18n.setOrDetectLocale(_options.locale);
         _options.env = env || 'development';
         _options.logFile = _options.logfile; // fix casing
@@ -155,6 +175,7 @@ class Cmd {
       .option('--pipeline [pipeline]', __('webpack config to use (default: development)'))
       .description(__('run dapp (default: %s)', 'development'))
       .action(function(env, options) {
+        checkDeps();
         i18n.setOrDetectLocale(options.locale);
         embark.run({
           env: env || 'development',
@@ -181,6 +202,7 @@ class Cmd {
       .option('--pipeline [pipeline]', __('webpack config to use (default: development)'))
       .description(__('Start the Embark console'))
       .action(function(env, options) {
+        checkDeps();
         i18n.setOrDetectLocale(options.locale);
         embark.console({
           env: env || 'development',
@@ -200,6 +222,7 @@ class Cmd {
       .option('--locale [locale]', __('language to use (default: en)'))
       .description(__('run blockchain server (default: %s)', 'development'))
       .action(function(env, options) {
+        checkDeps();
         i18n.setOrDetectLocale(options.locale);
         embark.initConfig(env || 'development', {
           embarkConfig: 'embark.json',
@@ -222,6 +245,7 @@ class Cmd {
       .option('--locale [locale]', __('language to use (default: en)'))
 
       .action(function(env, options) {
+        checkDeps();
         i18n.setOrDetectLocale(options.locale);
         embark.initConfig(env || 'development', {
           embarkConfig: 'embark.json',
@@ -246,6 +270,7 @@ class Cmd {
       .option('--loglevel [loglevel]', __('level of logging to display') + ' ["error", "warn", "info", "debug", "trace"]', /^(error|warn|info|debug|trace)$/i, 'warn')
       .description(__('run tests'))
       .action(function(file, options) {
+        checkDeps();
         i18n.setOrDetectLocale(options.locale);
         embark.runTests({file, loglevel: options.loglevel, gasDetails: options.gasDetails, node: options.node});
       });
@@ -262,6 +287,7 @@ class Cmd {
       .option('--pipeline [pipeline]', __('webpack config to use (default: production)'))
       .description(__('Upload your dapp to a decentralized storage') + '.')
       .action(function(env, _options) {
+        checkDeps();
         i18n.setOrDetectLocale(_options.locale);
         if (env === "ipfs" || env === "swarm") {
           console.warn(("did you mean " + "embark upload".bold + " ?").underline);
@@ -286,6 +312,7 @@ class Cmd {
       .option('--locale [locale]', __('language to use (default: en)'))
       .description(__('generates documentation based on the smart contracts configured'))
       .action(function(env, options) {
+        checkDeps();
         i18n.setOrDetectLocale(options.locale);
         embark.graph({
           env: env || 'development',