diff --git a/CHANGES.md b/CHANGES.md
index 77810caa..0f587620 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -60,6 +60,8 @@
 
 **Added:**
 
+- The entry point for apps and npm module UMD builds can now be specified as an argument to [`build` and `serve` commands](https://github.com/insin/nwb/blob/v0.11.0/docs/Commands.md#project-type-specific-commands). The default is still `src/index.js`. [[#115](https://github.com/insin/nwb/issues/115)]
+- The directory web apps are built into can now be specified as an argument to [`build`, `clean` and `serve` commands](https://github.com/insin/nwb/blob/v0.11.0/docs/Commands.md#project-type-specific-commands). The default is still `dist/`.
 - Added [`webpack.compat` config](https://github.com/insin/nwb/blob/v0.11.0/docs/Configuration.md#compat-object) to enable compatibility tweaks for modules which are known to be problematic with Webpack - initially this includes support for Enzyme, Moment.js and Sinon.js 1.x [[#108](https://github.com/insin/nwb/issues/108)]
 - Added [`webpack.postcss` config](https://github.com/insin/nwb/blob/v0.11.0/docs/Configuration.md#postcss-object) to customise the PostCSS plugins applied to each style pipeline [[#57](https://github.com/insin/nwb/issues/57)]
 - Added [`webpack.vendorBundle` config](https://github.com/insin/nwb/blob/v0.11.0/docs/Configuration.md#vendorbundle-boolean) to disable automatically extracting anything imported from `node_modules/` out into a separate `vendor` chunk [[#106](https://github.com/insin/nwb/issues/106)]
diff --git a/README.md b/README.md
index a6ba2306..e1a9822d 100644
--- a/README.md
+++ b/README.md
@@ -132,24 +132,30 @@ This video shows the resulting example of using nwb to create a new React projec
 ## Usage
 
 ```
-Usage: nwb <command>
+Usage:
+  nwb <command> [options]
 
 Options:
   -h, --help     display this help message
   -v, --version  print nwb's version
 
 Project creation commands:
-  init <project-type> [name]
+  init <project_type> [name]
     initialise a project in the current directory
 
-  new <project-type> <name>
+  new <project_type> <name>
     create a project in a new directory
 
-  -f, --force   force project creation, don't ask questions
-  -g, --global  global variable name to export in the UMD build
-  --no-jsnext   disable npm ES6 modules build
-  --no-umd      disable npm UMD module build
-  --react       version of React to install for React apps and components
+  Positional arguments:
+    project_type  project type - see the list below
+    name          project name [default: current directory name]
+
+  Options:
+    -f, --force   force project creation, don't ask questions
+    -g, --global  global variable name to export in the UMD build
+    --no-jsnext   disable npm ES6 modules build
+    --no-umd      disable npm UMD module build
+    --react       version of React to install for React apps & components
 
   Project types:
     react-app        a React app
@@ -157,7 +163,10 @@ Project creation commands:
     web-app          a plain JavaScript app
     web-module       a plain JavaScript module
 
-Development commands:
+Generic development commands:
+  Positional arguments for these commands depend on the type of project they're
+  being run in. See the applicable project-type-specific commands below.
+
   build
     clean and build the project
 
@@ -166,43 +175,62 @@ Development commands:
 
   serve
     serve an app, or a component's demo app, with hot reloading
-    --auto-install  auto install missing npm dependencies
-    --fallback      serve the index page from any path
-    --host          hostname to bind the dev server to (default: localhost)
-    --info          show webpack module info
-    --port          port to run the dev server on (default: 3000)
-    --reload        auto reload the page if hot reloading fails
+
+    Options:
+      --auto-install  auto install missing npm dependencies
+      --fallback      serve the index page from any path
+      --host          hostname to bind the dev server to [default: localhost]
+      --info          show webpack module info
+      --port          port to run the dev server on [default: 3000]
+      --reload        auto reload the page if hot reloading fails
 
   test
     run unit tests
-    --coverage  create a code coverage report
-    --server    keep running tests on every change
 
-Project type-specific commands:
+    Options:
+      --coverage  create a code coverage report
+      --server    keep running tests on every change
+
+Project-type-specific commands:
   build-demo
     build a demo app from demo/src/index.js to demo/dist/
+
   build-module
     create an ES5 build for an npm module (ES6 modules build requires config)
-  build-react-app
-    build a react app from src/index.js to dist/
-  build-umd
-    create a UMD build for an npm module (requires config)
-  build-web-app
-    build a web app from src/index.js to dist/
-  clean-app
-    delete dist/
+
+  build-react-app [entry] [dist_dir]
+    build a React app from entry to dist_dir
+
+  build-umd [entry]
+    create a UMD build for an npm module from entry (requires config)
+
+  build-web-app [entry] [dist_dir]
+    build a web app from entry to dist_dir
+
+  clean-app [dist_dir]
+    delete dist_dir
+
   clean-demo
     delete demo/dist/
+
   clean-module
-     delete coverage/, es6/ and lib/
+    delete coverage/, es6/ and lib/
+
   clean-umd
     delete umd/
-  serve-react-app
-    serve a React app from src/index.js
+
+  serve-react-app [entry]
+    serve a React app from entry
+
   serve-react-demo
     serve a React demo app from demo/src/index.js
-  serve-web-app
-    serve a web app from src/index.js
+
+  serve-web-app [entry]
+    serve a web app from entry
+
+  Positional arguments:
+    entry     entry point [default: src/index.js]
+    dist_dir  build output directory [default: dist/]
 ```
 
 ## Versioning
diff --git a/docs/Commands.md b/docs/Commands.md
index d2d2d57d..7f1d9908 100644
--- a/docs/Commands.md
+++ b/docs/Commands.md
@@ -7,7 +7,7 @@ These are optional, but they're a quick way to get started with a new project us
 #### `new` - create a new project
 
 ```
-nwb new <project-type> <name>
+nwb new <project_type> <name>
 ```
 
 Creates a new directory and initialises a project skeleton in it.
@@ -63,7 +63,7 @@ Creates a skeleton for a web module with the given name, with an optional UMD bu
 #### `init` - initialise a project in the current directory
 
 ```
-nwb init <project-type> [name]
+nwb init <project_type> [name]
 ```
 
 This is the same as `new`, except the `name` argument is optional and the new project is initialised in the current directory.
@@ -77,7 +77,7 @@ The following commands require a `nwb.config.js` file to be present to specify t
 #### `serve` - serve an app
 
 ```
-nwb serve
+nwb serve [entry]
 ```
 
 Starts a development server which serves an app with hot module reloading.
@@ -86,6 +86,8 @@ Starts a development server which serves an app with hot module reloading.
 * Syntax errors made while the development server is running will appear as an overlay in your browser.
 * Rendering errors in React components will also appear as an overlay.
 
+Passing an argument for `entry` allows you to customise the entry point for your React or web app.
+
 **Flags:**
 
 * `--auto-install` - automatically install missing npm dependencies and save them to your app's package.json, for convenience during initial development/prototyping
@@ -116,18 +118,18 @@ Having a demo which uses your component is also a great way to test it as you pr
 #### `build` - create builds
 
 ```
-nwb build
+nwb build [entry] [dist_dir]
 ```
 
 Builds the project.
 
 **In React/web apps:**
 
-A static build will be created in `dist/`, with `app.js` and `app.css` files plus any other resources used.
-
-By default, separate `vendor.js` and `vendor.css` files will be built for any dependencies used from `node_modules/`.
+Default behaviour:
 
-By default, static builds are created in production mode. Code will be minified and have dead code elimination performed on it (for example to remove unreachable, or development-mode only, code).
+* A static build will be created in `dist/`, with `app.js` and `app.css` files plus any other resources used.
+* Separate `vendor.js` and `vendor.css` files will be built for any dependencies used from `node_modules/`.
+* Static builds are created in production mode. Code will be minified and have dead code elimination performed on it (for example to remove unreachable, or development-mode only, code).
 
 To create a development build, set the `NODE_ENV` environment variable to `'development'` when running the `build` command; nwb supports a cross-platform way of doing this, using [argv-set-env](https://github.com/kentcdodds/argv-set-env):
 
@@ -139,6 +141,8 @@ nwb build --set-env-NODE_ENV=development
 NODE_ENV=development nwb build
 ```
 
+Passing arguments for `entry` and `dist_dir` allows you to customise the entry point for your app and the directory it gets build into.
+
 **In React apps only:**
 
 In production mode builds, the Babel 5 [constant-elements](https://github.com/babel/babel.github.io/blob/862b43db93e48762671267034a50c30c00e433e2/docs/advanced/transformers/optimisation/react/constant-elements.md) and [inline-elements](https://github.com/babel/babel.github.io/blob/862b43db93e48762671267034a50c30c00e433e2/docs/advanced/transformers/optimisation/react/inline-elements.md) React optimisation transforms will be used.
@@ -153,14 +157,18 @@ Builds the component in preparation for publishing to npm.
 
 If the module has a `demo/` directory, running `build` will also create a static build of its demo app in `demo/dist/`.
 
+Passing an argument for `entry` allows you to customise the entry point for the UMD build of your app.
+
 #### `clean` - clean up
 
 ```
-nwb clean
+nwb clean [dist_dir]
 ```
 
 Deletes all built resource directories.
 
+For React and web apps, passing an argument for `dist_dir` allows you to customise the output directory which will be deleted.
+
 ### Project commands
 
 The following commands don't require an `nwb.config.js` file to specify a project type, but it may be required for other configuration depending on the command.
@@ -182,19 +190,30 @@ Runs unit tests.
 
 Running the test server in tandem with a hot reloading demo app, you can quickly protoype and test your components.
 
-#### Project Type-specific Commands
+#### Project-type-specific Commands
 
-Project type-specific versions of the generic `build`, `clean` and `serve` commands are also available to run directly - if you use the generic commands, you will see nwb calling these for you:
+Project-type-specific versions of the generic `build`, `clean` and `serve` commands are also available to run directly - if you use the generic commands, you will see nwb calling these for you:
 
 * `build-demo` - build a demo app from `demo/src/index.js` to `demo/dist/`
+
 * `build-module` - create an ES5 build for an npm module
-* `build-react-app` - build a react app from `src/index.js` to `dist/`
-* `build-umd` - create a UMD build for an npm module (this command itself requires configuration, so is useless without a config file)
-* `build-web-app` - build a web app from `src/index.js` to `dist/`
-* `clean-app` - delete `dist/`
+
+* `build-react-app [entry] [dist_dir]` - build a react app from `entry` (default: `src/index.js`) to `dist_dir` (default: `dist/`)
+
+* `build-umd [entry]` - create a UMD build for an npm module starting from `entry` (default: `src/index.js`) (this command requires configuration)
+
+* `build-web-app [entry] [dist_dir]` - build a web app from `entry` (default: `src/index.js`) to `dist_dir` (default: `dist/`)
+
+* `clean-app [dist_dir]` - delete `dist_dir` (default: `dist/`)
+
 * `clean-demo` - delete `demo/dist/`
+
 * `clean-module` -  delete `coverage/`, `es6/` and `lib/
+
 * `clean-umd` - delete `umd/`
-* `serve-react-app` - serve a React app from `src/index.js`
+
+* `serve-react-app [entry]` - serve a React app from `entry` (default: `src/index.js`)
+
 * `serve-react-demo` - serve a React demo app from `demo/src/index.js`
-* `serve-web-app` - serve a web app from `src/index.js`
+
+* `serve-web-app [entry]` - serve a web app from `entry` (default: `src/index.js`)
diff --git a/docs/Middleware.md b/docs/Middleware.md
index 74970b8f..fa5ecb3d 100644
--- a/docs/Middleware.md
+++ b/docs/Middleware.md
@@ -19,6 +19,7 @@ Your app's version of the Express module must be passed as the first argument.
 ###### `options`
 
 * `autoInstall` - automatically install missing npm dependencies. Default: `false`
+* `entry` - entry point for the app. Default: `src/index.js`
 * `info` - print info about Webpack modules after rebuilds. Default: `false`
 
 #### Example
diff --git a/express.js b/express.js
index 974e86a0..97d28b7e 100644
--- a/express.js
+++ b/express.js
@@ -20,14 +20,16 @@ module.exports = function(express, options) {
   if (!options) options = {}
 
   // Use options to create an object equivalent to CLI args parsed by minimist
-  var args = {}
-  args.info = !!options.info
-  args['auto-install'] = !!options.autoInstall
+  var args = {
+    _: ['serve-react-app', options.entry],
+    'auto-install': !!options.autoInstall,
+    info: !!options.info
+  }
 
   var webpackConfig = createServerWebpackConfig(
     args,
     createServeReactAppBuildConfig(
-      createServeReactAppConfig()
+      createServeReactAppConfig(args)
     )
   )
 
diff --git a/src/cli.js b/src/cli.js
index 9aaf97e6..a42d7d2d 100644
--- a/src/cli.js
+++ b/src/cli.js
@@ -20,24 +20,30 @@ export default function(argv, cb) {
   }
 
   if (args.help || !command || /^h(elp)?$/.test(command)) {
-    console.log(`Usage: ${green('nwb')} ${yellow('<command>')}
+    console.log(`Usage:
+  ${green('nwb')} ${yellow('<command>')} ${cyan('[options]')}
 
 Options:
   ${cyan('-h, --help')}     display this help message
   ${cyan('-v, --version')}  print nwb's version
 
 Project creation commands:
-  ${green('init')} ${yellow('<project-type>')} ${cyan('[name]')}
+  ${green('init')} ${yellow('<project_type>')} ${cyan('[name]')}
     initialise a project in the current directory
 
-  ${green('new')} ${yellow('<project-type> <name>')}
+  ${green('new')} ${yellow('<project_type> <name>')}
     create a project in a new directory
 
-  ${cyan('-f, --force')}   force project creation, don't ask questions
-  ${cyan('-g, --global')}  global variable name to export in the UMD build
-  ${cyan('--no-jsnext')}   disable npm ES6 modules build
-  ${cyan('--no-umd')}      disable npm UMD module build
-  ${cyan('--react')}       version of React to install for React apps and components
+  Positional arguments:
+    ${cyan('project_type')}  project type - see the list below
+    ${cyan('name')}          project name ${cyan('[default: current directory name]')}
+
+  Options:
+    ${cyan('-f, --force')}   force project creation, don't ask questions
+    ${cyan('-g, --global')}  global variable name to export in the UMD build
+    ${cyan('--no-jsnext')}   disable npm ES6 modules build
+    ${cyan('--no-umd')}      disable npm UMD module build
+    ${cyan('--react')}       version of React to install for React apps & components
 
   Project types:
     ${cyan('react-app')}        a React app
@@ -46,6 +52,9 @@ Project creation commands:
     ${cyan('web-module')}       a plain JavaScript module
 
 Generic development commands:
+  Positional arguments for these commands depend on the type of project they're
+  being run in. See the applicable project-type-specific commands below.
+
   ${green('build')}
     clean and build the project
 
@@ -54,43 +63,62 @@ Generic development commands:
 
   ${green('serve')}
     serve an app, or a component's demo app, with hot reloading
-    ${cyan('--auto-install')}  auto install missing npm dependencies
-    ${cyan('--fallback')}      serve the index page from any path
-    ${cyan('--host')}          hostname to bind the dev server to ${cyan('(default: localhost)')}
-    ${cyan('--info')}          show webpack module info
-    ${cyan('--port')}          port to run the dev server on ${cyan('(default: 3000)')}
-    ${cyan('--reload')}        auto reload the page if hot reloading fails
+
+    Options:
+      ${cyan('--auto-install')}  auto install missing npm dependencies
+      ${cyan('--fallback')}      serve the index page from any path
+      ${cyan('--host')}          hostname to bind the dev server to ${cyan('[default: localhost]')}
+      ${cyan('--info')}          show webpack module info
+      ${cyan('--port')}          port to run the dev server on ${cyan('[default: 3000]')}
+      ${cyan('--reload')}        auto reload the page if hot reloading fails
 
   ${green('test')}
     run unit tests
-    ${cyan('--coverage')}  create a code coverage report
-    ${cyan('--server')}    keep running tests on every change
 
-Project type-specific commands:
+    Options:
+      ${cyan('--coverage')}  create a code coverage report
+      ${cyan('--server')}    keep running tests on every change
+
+Project-type-specific commands:
   ${green('build-demo')}
     build a demo app from demo/src/index.js to demo/dist/
+
   ${green('build-module')}
     create an ES5 build for an npm module (ES6 modules build requires config)
-  ${green('build-react-app')}
-    build a react app from src/index.js to dist/
-  ${green('build-umd')}
-    create a UMD build for an npm module (requires config)
-  ${green('build-web-app')}
-    build a web app from src/index.js to dist/
-  ${green('clean-app')}
-    delete dist/
+
+  ${green('build-react-app')} ${cyan('[entry] [dist_dir]')}
+    build a React app from ${cyan('entry')} to ${cyan('dist_dir')}
+
+  ${green('build-umd')} ${cyan('[entry]')}
+    create a UMD build for an npm module from ${cyan('entry')} (requires config)
+
+  ${green('build-web-app')} ${cyan('[entry] [dist_dir]')}
+    build a web app from ${cyan('entry')} to ${cyan('dist_dir')}
+
+  ${green('clean-app')} ${cyan('[dist_dir]')}
+    delete ${cyan('dist_dir')}
+
   ${green('clean-demo')}
     delete demo/dist/
+
   ${green('clean-module')}
-     delete coverage/, es6/ and lib/
+    delete coverage/, es6/ and lib/
+
   ${green('clean-umd')}
     delete umd/
-  ${green('serve-react-app')}
-    serve a React app from src/index.js
+
+  ${green('serve-react-app')} ${cyan('[entry]')}
+    serve a React app from ${cyan('entry')}
+
   ${green('serve-react-demo')}
     serve a React demo app from demo/src/index.js
-  ${green('serve-web-app')}
-    serve a web app from src/index.js
+
+  ${green('serve-web-app')} ${cyan('[entry]')}
+    serve a web app from ${cyan('entry')}
+
+  Positional arguments:
+    ${cyan('entry')}     entry point ${cyan('[default: src/index.js]')}
+    ${cyan('dist_dir')}  build output directory ${cyan('[default: dist/]')}
 `)
     process.exit(args.help || command ? 0 : 1)
   }
diff --git a/src/commands/build-react-app.js b/src/commands/build-react-app.js
index 1c26ec28..e03c5003 100644
--- a/src/commands/build-react-app.js
+++ b/src/commands/build-react-app.js
@@ -7,15 +7,18 @@ import webpackBuild from '../webpackBuild'
 // Use a config function, as this won't be called until after NODE_ENV has been
 // set by webpackBuild() and we don't want these optimisations in development
 // builds.
-let buildConfig = () => {
+let buildConfig = (args) => {
+  let entry = args._[1] || 'src/index.js'
+  let dist = args._[2] || 'dist'
+
   let config = {
     devtool: 'source-map',
     entry: {
-      app: path.resolve('src/index.js')
+      app: path.resolve(entry)
     },
     output: {
       filename: '[name].js',
-      path: path.resolve('dist'),
+      path: path.resolve(dist),
       publicPath: '/'
     },
     plugins: {
@@ -41,10 +44,11 @@ let buildConfig = () => {
 }
 
 export default function(args, cb) {
-  require('./clean-app')(args)
+  let dist = args._[2] || 'dist'
 
-  copyPublicDir('public', 'dist')
+  require('./clean-app')({_: ['clean-app', dist]})
 
   console.log('nwb: build-react-app')
+  copyPublicDir('public', dist)
   webpackBuild(args, buildConfig, cb)
 }
diff --git a/src/commands/build-umd.js b/src/commands/build-umd.js
index 36449a62..078509c2 100644
--- a/src/commands/build-umd.js
+++ b/src/commands/build-umd.js
@@ -1,4 +1,3 @@
-import assert from 'assert'
 import path from 'path'
 
 import getUserConfig from '../getUserConfig'
@@ -15,14 +14,13 @@ export default function(args, cb) {
 
   if (!build.umd) {
     return cb(new UserError(
-      'nwb: the UMD build for this module hasn\'t been enabled in nwb.config.js'
+      "nwb: the UMD build for this module hasn't been enabled in nwb.config.js"
     ))
   }
 
-  assert(build.global, 'build.global config is required to create a UMD build')
-
+  let entry = args._[1] || 'src/index.js'
   let buildConfig = {
-    entry: path.resolve('src/index.js'),
+    entry: path.resolve(entry),
     output: {
       filename: `${pkg.name}.js`,
       library: build.global,
diff --git a/src/commands/build-web-app.js b/src/commands/build-web-app.js
index 741c5e01..97e284a3 100644
--- a/src/commands/build-web-app.js
+++ b/src/commands/build-web-app.js
@@ -6,19 +6,21 @@ import {copyPublicDir} from '../utils'
 import webpackBuild from '../webpackBuild'
 
 export default function(args, cb) {
-  require('./clean-app')(args)
+  let entry = args._[1] || 'src/index.js'
+  let dist = args._[2] || 'dist'
 
-  copyPublicDir('public', 'dist')
+  require('./clean-app')({_: ['clean-app', dist]})
 
   console.log('nwb: build-web-app')
+  copyPublicDir('public', dist)
   webpackBuild(args, {
     devtool: 'source-map',
     entry: {
-      app: path.resolve('src/index.js')
+      app: path.resolve(entry)
     },
     output: {
       filename: '[name].js',
-      path: path.resolve('dist'),
+      path: path.resolve(dist),
       publicPath: '/'
     },
     plugins: {
diff --git a/src/commands/clean-app.js b/src/commands/clean-app.js
index 55352ff6..02eb55d6 100644
--- a/src/commands/clean-app.js
+++ b/src/commands/clean-app.js
@@ -1,6 +1,8 @@
 import exec from '../exec'
 
 export default function(args) {
+  let dist = args._[1] || 'dist'
+
   console.log('nwb: clean-app')
-  exec('rimraf', ['coverage', 'dist'])
+  exec('rimraf', ['coverage', dist])
 }
diff --git a/src/commands/serve-react-app.js b/src/commands/serve-react-app.js
index cf8f9f9f..d349f527 100644
--- a/src/commands/serve-react-app.js
+++ b/src/commands/serve-react-app.js
@@ -3,5 +3,5 @@ import createServeReactAppConfig from '../createServeReactAppConfig'
 
 export default function(args, cb) {
   console.log('nwb: serve-react-app')
-  serveReact(args, createServeReactAppConfig(), cb)
+  serveReact(args, createServeReactAppConfig(args), cb)
 }
diff --git a/src/commands/serve-react-demo.js b/src/commands/serve-react-demo.js
index ac53b19e..9189b4b7 100644
--- a/src/commands/serve-react-demo.js
+++ b/src/commands/serve-react-demo.js
@@ -7,6 +7,7 @@ import serveReact from '../serveReact'
  */
 export default function(args, cb) {
   let pkg = require(path.resolve('package.json'))
+
   console.log('nwb: serve-react-demo')
   serveReact(args, {
     entry: path.resolve('demo/src/index.js'),
diff --git a/src/commands/serve-web-app.js b/src/commands/serve-web-app.js
index 3c052782..0bb4e0aa 100644
--- a/src/commands/serve-web-app.js
+++ b/src/commands/serve-web-app.js
@@ -4,11 +4,14 @@ import {getDefaultHTMLConfig} from '../appConfig'
 import webpackServer from '../webpackServer'
 
 export default function(args, cb) {
+  let entry = args._[1] || 'src/index.js'
+  let dist = args._[2] || 'dist'
+
   console.log('nwb: serve-web-app')
   webpackServer(args, {
-    entry: path.resolve('src/index.js'),
+    entry: path.resolve(entry),
     output: {
-      path: path.resolve('dist'),
+      path: path.resolve(dist),
       filename: 'app.js',
       publicPath: '/'
     },
diff --git a/src/createServeReactAppConfig.js b/src/createServeReactAppConfig.js
index 7dbb7a42..6892829d 100644
--- a/src/createServeReactAppConfig.js
+++ b/src/createServeReactAppConfig.js
@@ -7,11 +7,14 @@ import path from 'path'
 
 import {getDefaultHTMLConfig} from './appConfig'
 
-export default function() {
+export default function(args) {
+  let entry = path.resolve(args._[1] || 'src/index.js')
+  let dist = path.resolve(args._[2] || 'dist')
+
   return {
-    entry: path.resolve('src/index.js'),
+    entry: path.resolve(entry),
     output: {
-      path: path.resolve('dist'),
+      path: path.resolve(dist),
       filename: 'app.js',
       publicPath: '/'
     },
diff --git a/src/webpackBuild.js b/src/webpackBuild.js
index 476ae868..6b4ac985 100644
--- a/src/webpackBuild.js
+++ b/src/webpackBuild.js
@@ -22,7 +22,7 @@ export default function webpackBuild(args, buildConfig = {}, cb) {
   let userConfig = getUserConfig(args)
   let pluginConfig = getPluginConfig()
   if (typeof buildConfig == 'function') {
-    buildConfig = buildConfig()
+    buildConfig = buildConfig(args)
   }
 
   let webpackConfig = createWebpackConfig({