feat(build): add option to turn of progress logs

Now use `ng build --no-progress` to disable the progress information.

Closes angular#2012

Author: victornoel

packages/angular-cli/commands/build.ts

@@ -11,6 +11,7 @@ export interface BuildOptions {
   supressSizes: boolean;
   baseHref?: string;
   aot?: boolean;
+  progress?: boolean;
 }
 
 const BuildCommand = Command.extend({
@@ -31,7 +32,8 @@ const BuildCommand = Command.extend({
     { name: 'watcher',        type: String },
     { name: 'suppress-sizes', type: Boolean, default: false },
     { name: 'base-href',      type: String,  default: null, aliases: ['bh'] },
-    { name: 'aot',            type: Boolean, default: false }
+    { name: 'aot',            type: Boolean, default: false },
+    { name: 'progress',       type: Boolean, default: true }
   ],
 
   run: function (commandOptions: BuildOptions) {

packages/angular-cli/tasks/build-webpack-watch.ts

@@ -2,7 +2,6 @@ import * as rimraf from 'rimraf';
 import * as path from 'path';
 const Task = require('ember-cli/lib/models/task');
 import * as webpack from 'webpack';
-const ProgressPlugin = require('webpack/lib/ProgressPlugin');
 import { NgCliWebpackConfig } from '../models/webpack-config';
 import { webpackOutputOptions } from '../models/';
 import { BuildOptions } from '../commands/build';
@@ -28,9 +27,13 @@ export default Task.extend({
     ).config;
     const webpackCompiler: any = webpack(config);
 
-    webpackCompiler.apply(new ProgressPlugin({
-      profile: true
-    }));
+    if (runTaskOptions.progress) {
+      const ProgressPlugin = require('webpack/lib/ProgressPlugin');
+
+      webpackCompiler.apply(new ProgressPlugin({
+        profile: true
+      }));
+    }
 
     return new Promise((resolve, reject) => {
       webpackCompiler.watch({}, (err: any, stats: any) => {

packages/angular-cli/tasks/build-webpack.ts

@@ -31,11 +31,13 @@ export default <any>Task.extend({
 
     const webpackCompiler: any = webpack(config);
 
-    const ProgressPlugin  = require('webpack/lib/ProgressPlugin');
+    if (runTaskOptions.progress) {
+      const ProgressPlugin  = require('webpack/lib/ProgressPlugin');
 
-    webpackCompiler.apply(new ProgressPlugin({
-      profile: true
-    }));
+      webpackCompiler.apply(new ProgressPlugin({
+        profile: true
+      }));
+    }
 
     return new Promise((resolve, reject) => {
       webpackCompiler.run((err: any, stats: any) => {