Add analyse option

bin/nuxt-build

@@ -4,9 +4,17 @@
 process.env.DEBUG = 'nuxt:*'
 
 var fs = require('fs')
+var without = require('lodash').without
 var Nuxt = require('../')
 var resolve = require('path').resolve
 
+// --analyze option
+var analyzeBuild = false
+if (process.argv.indexOf('--analyze') !== -1 || process.argv.indexOf('-a') !== -1) {
+  analyzeBuild = true
+  process.argv = without(process.argv, '--analyze', '-a')
+}
+
 var rootDir = resolve(process.argv.slice(2)[0] || '.')
 var nuxtConfigFile = resolve(rootDir, 'nuxt.config.js')
 
@@ -19,6 +27,9 @@ if (typeof options.rootDir !== 'string') {
 }
 options.dev = false // Create production build when calling `nuxt build`
 
+options.build = options.build || {}
+options.build.analyze = analyzeBuild
+
 console.log('[nuxt] Building...') // eslint-disable-line no-console
 var nuxt = new Nuxt(options)
 nuxt.build()

lib/build.js

@@ -40,6 +40,7 @@ const r = function () {
 debug.color = 2
 
 const defaults = {
+  analyze: false,
   filenames: {
     css: 'style.css',
     vendor: 'vendor.bundle.js',

lib/webpack/client.config.js

@@ -3,9 +3,9 @@
 import { each } from 'lodash'
 import webpack from 'webpack'
 import ExtractTextPlugin from 'extract-text-webpack-plugin'
+import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer'
 import base from './base.config.js'
 import { resolve } from 'path'
-
 /*
 |--------------------------------------------------------------------------
 | Webpack Client Config
@@ -79,5 +79,15 @@ export default function () {
       isClient: true
     })
   }
+  // Webpack Bundle Analyzer
+  if (!this.dev && this.options.build.analyze) {
+    let options = {}
+    if (typeof this.options.build.analyze === 'object') {
+      options = this.options.build.analyze
+    }
+    config.plugins.push(
+      new BundleAnalyzerPlugin(options)
+    )
+  }
   return config
 }

test/fixtures/with-config/nuxt.config.js

@@ -20,6 +20,10 @@ module.exports = {
     string: 'Nuxt.js'
   },
   build: {
+    analyze: {
+      analyzerMode: 'disabled',
+      generateStatsFile: true
+    },
     extend (config, options) {
       config.devtool = 'nosources-source-map'
     }

test/with-config.test.js

@@ -54,6 +54,11 @@ test('/test/about-bis (added with extendRoutes)', async t => {
   t.true(html.includes('<h1>About page</h1>'))
 })
 
+test('Check stats.json generated by build.analyze', t => {
+  const stats = require(resolve(__dirname, 'fixtures/with-config/.nuxt/dist/stats.json'))
+  t.is(stats.assets.length, 10)
+})
+
 // Close server and ask nuxt to stop listening to file changes
 test.after('Closing server and nuxt.js', t => {
   server.close()