// 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"
}
}
It will throw the error when update to version 2.10.0. Before 2.9.3 no this error.
// 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
Downgrade to 2.9.7 temporarily.
Code
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?
If you have the same error
Downgrade to 2.9.7 temporarily.
npm install --save-dev webpack-dev-server@2.9.7