webpack-dev-server: version 2.10.0 throw error

• Operating System: MacOs
• Node Version: 9.2.0
• NPM Version: 4.5.0
• webpack Version: 3.10.0
• webpack-dev-server Version: 2.10.0

• This is a bug
• This is a modification request

Code

  // webpack.config.js
const path = require('path');
module.exports = {
  entry: './index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  devServer: {
    host: '0.0.0.0',
    publicPath: '/',
    contentBase: './dist',
  },
  devtool: 'source-map',
}

  // package.json 
{
  "name": "test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "dev": "webpack-dev-server"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "webpack": "^3.8.1",
    "webpack-dev-server": "^2.9.3"
  }
}

Expected Behavior

good running

Actual Behavior

It will throw the error when update to version 2.10.0. Before 2.9.3 no this error.

For Bugs; How can we reproduce the behavior?

// Error:

npm run dev

> test@1.0.0 dev /Users/***/Documents/my/test
> webpack-dev-server ./webpack.config.js

webpack-dev-server 2.10.0
webpack 3.10.0
Usage: https://webpack.js.org/configuration/dev-server/

Config options:
  --config       Path to the config file
                         [string] [default: webpack.config.js or webpackfile.js]
  --config-name  Name of the config to use                              [string]
  --env          Environment passed to the config, when it is a function

Basic options:
  --context    The root directory for resolving entry point and stats
                                       [string] [default: The current directory]
  --entry      The entry point                                          [string]
  --watch, -w  Watch the filesystem for changes                        [boolean]
  --debug      Switch loaders to debug mode                            [boolean]
  --devtool    Enable devtool for better debugging experience (Example:
               --devtool eval-cheap-module-source-map)                  [string]
  -d           shortcut for --debug --devtool eval-cheap-module-source-map
               --output-pathinfo                                       [boolean]
  -p           shortcut for --optimize-minimize --define
               process.env.NODE_ENV="production"                       [boolean]
  --progress   Print compilation progress in percentage                [boolean]

Module options:
  --module-bind       Bind an extension to a loader                     [string]
  --module-bind-post                                                    [string]
  --module-bind-pre                                                     [string]

Output options:
  --output-path                 The output path for compilation assets
                                       [string] [default: The current directory]
  --output-filename             The output filename of the bundle
                                                   [string] [default: [name].js]
  --output-chunk-filename       The output filename for additional chunks
       [string] [default: filename with [id] instead of [name] or [id] prefixed]
  --output-source-map-filename  The output filename for the SourceMap   [string]
  --output-public-path          The public path for the assets          [string]
  --output-jsonp-function       The name of the jsonp function used for chunk
                                loading                                 [string]
  --output-pathinfo             Include a comment with the request for every
                                dependency (require, import, etc.)     [boolean]
  --output-library              Expose the exports of the entry point as library
                                                                        [string]
  --output-library-target       The type for exposing the exports of the entry
                                point as library                        [string]

Advanced options:
  --records-input-path       Path to the records file (reading)         [string]
  --records-output-path      Path to the records file (writing)         [string]
  --records-path             Path to the records file                   [string]
  --define                   Define any free var in the bundle          [string]
  --target                   The targeted execution environment         [string]
  --cache                    Enable in memory caching
                      [boolean] [default: It's enabled by default when watching]
  --watch-stdin, --stdin     close when stdin ends                     [boolean]
  --watch-aggregate-timeout  Timeout for gathering changes while watching
  --watch-poll               The polling interval for watching (also enable
                             polling)                                   [string]
  --hot                      Enables Hot Module Replacement            [boolean]
  --prefetch                 Prefetch this request (Example: --prefetch
                             ./file.js)                                 [string]
  --provide                  Provide these modules as free vars in all modules
                             (Example: --provide jQuery=jquery)         [string]
  --labeled-modules          Enables labeled modules                   [boolean]
  --plugin                   Load this plugin                           [string]
  --bail                     Abort the compilation on first error
                                                       [boolean] [default: null]
  --profile                  Profile the compilation and include information in
                             stats                     [boolean] [default: null]
  --hot-only                 Do not refresh page if HMR fails          [boolean]

Resolving options:
  --resolve-alias         Setup a module alias for resolving (Example:
                          jquery-plugin=jquery.plugin)                  [string]
  --resolve-extensions    Setup extensions that should be used to resolve
                          modules (Example: --resolve-extensions .es6,.js)
                                                                         [array]
  --resolve-loader-alias  Setup a loader alias for resolving            [string]

Optimizing options:
  --optimize-max-chunks      Try to keep the chunk count below a limit
  --optimize-min-chunk-size  Try to keep the chunk size above a limit
  --optimize-minimize        Minimize javascript and switches loaders to
                             minimizing                                [boolean]

Stats options:
  --color, --colors   Enables/Disables colors on the console
                                           [boolean] [default: (supports-color)]
  --info              Info                             [boolean] [default: true]
  --quiet             Quiet                                            [boolean]
  --client-log-level  Log level in the browser (info, warning, error or none)
                                                      [string] [default: "info"]

SSL options:
  --https           HTTPS                                              [boolean]
  --key             Path to a SSL key.                                  [string]
  --cert            Path to a SSL certificate.                          [string]
  --cacert          Path to a SSL CA certificate.                       [string]
  --pfx             Path to a SSL pfx file.                             [string]
  --pfx-passphrase  Passphrase for pfx file.                            [string]

Response options:
  --content-base          A directory or URL to serve HTML content from.[string]
  --watch-content-base    Enable live-reloading of the content-base.   [boolean]
  --history-api-fallback  Fallback to /index.html for Single Page Applications.
                                                                       [boolean]
  --compress              Enable gzip compression                      [boolean]

Connection options:
  --port                The port
  --disable-host-check  Will not check the host                        [boolean]
  --socket              Socket to listen
  --public              The public hostname/ip address of the server    [string]
  --host                The hostname/ip address the server will bind to
                                                 [string] [default: "localhost"]
  --allowed-hosts       A comma-delimited string of hosts that are allowed to
                        access the dev server                           [string]

Options:
  --help, -h    Show help                                              [boolean]
  --version     Show version number                                    [boolean]
  --bonjour     Broadcasts the server via ZeroConf networking on start [boolean]
  --lazy        Lazy                                                   [boolean]
  --inline      Inline mode (set to false to disable including client scripts
                like livereload)                       [boolean] [default: true]
  --open        Open the default browser, or optionally specify a browser name
                                                                        [string]
  --useLocalIp  Open default browser with local IP                     [boolean]
  --open-page   Open default browser with the specified page            [string]

Missing argument values: config, config-name, context, entry, module-bind, module-bind-post, module-bind-pre, output-path, output-filename, output-chunk-filename, output-source-map-filename, output-public-path, output-jsonp-function, output-library, output-library-target, records-input-path, records-output-path, records-path, define, target, watch-aggregate-timeout, devtool, resolve-alias, resolve-extensions, resolve-loader-alias, optimize-max-chunks, optimize-min-chunk-size, prefetch, provide, plugin, open-page

If you have the same error

Downgrade to 2.9.7 temporarily.

npm install --save-dev webpack-dev-server@2.9.7