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webpack-dev-server

授权协议 MIT License

开发语言 JavaScript

所属分类 Web应用开发、常用JavaScript包

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软件概览

webpack-dev-server

Use webpack with a development server that provideslive reloading. This should be used for development only.

It uses webpack-dev-middleware under the hood, which providesfast in-memory access to the webpack assets.

Getting Started

First things first, install the module:

npm install webpack-dev-server --save-dev

Note: While you can install and run webpack-dev-server globally, we recommendinstalling it locally. webpack-dev-server will always use a local installationover a global one.

Usage

There are two main, recommended methods of using the module:

With the CLI

The easiest way to use it is with the webpack CLI. In the directory where yourwebpack.config.js is, run:

npx webpack serve

Following options are available with webpack serve:

Usage: webpack serve|server|s [entries...] [options]

Run the webpack dev server.

Options:
  -c, --config <value...>                   Provide path to a webpack configuration file e.g. ./webpack.config.js.
  --config-name <value...>                  Name of the configuration to use.
  -m, --merge                               Merge two or more configurations using 'webpack-merge'.
  --env <value...>                          Environment passed to the configuration when it is a function.
  --node-env <value>                        Sets process.env.NODE_ENV to the specified value.
  --progress [value]                        Print compilation progress during build.
  -j, --json [value]                        Prints result as JSON or store it in a file.
  --entry <value...>                        The entry point(s) of your application e.g. ./src/main.js.
  -o, --output-path <value>                 Output location of the file generated by webpack e.g. ./dist/.
  -t, --target <value>                      Sets the build target e.g. node.
  -d, --devtool <value>                     Determine source maps to use.
  --no-devtool                              Do not generate source maps.
  --mode <value>                            Defines the mode to pass to webpack.
  --name <value>                            Name of the configuration. Used when loading multiple configurations.
  --stats [value]                           It instructs webpack on how to treat the stats e.g. verbose.
  --no-stats                                Disable stats output.
  --watch-options-stdin                     Stop watching when stdin stream has ended.
  --no-watch-options-stdin                  Do not stop watching when stdin stream has ended.
  --allowed-hosts <value...>                Allows to enumerate the hosts from which access to the dev server are allowed (useful when you are proxying dev server, by default is 'auto').
  --allowed-hosts-reset                     Clear all items provided in 'allowedHosts' configuration. Allows to enumerate the hosts from which access to the dev server are allowed (useful when you are proxying dev server, by default is 'auto').
  --bonjour                                 Allows to broadcasts dev server via ZeroConf networking on start.
  --no-bonjour                              Disallows to broadcasts dev server via ZeroConf networking on start.
  --client-web-socket-transport <value>     Allows to set custom web socket transport to communicate with dev server.
  --no-client                               Negative 'client' option.
  --client-logging <value>                  Allows to specify options for client script in the browser or disable client script.
  --client-progress                         Prints compilation progress in percentage in the browser.
  --no-client-progress                      Does not print compilation progress in percentage in the browser.
  --client-reconnect [value]                Tells dev-server the number of times it should try to reconnect the client.
  --no-client-reconnect                     Tells dev-server to not to try to connect the client.
  --client-overlay                          Enables a full-screen overlay in the browser when there are compiler errors or warnings.
  --no-client-overlay                       Disables a full-screen overlay in the browser when there are compiler errors or warnings.
  --client-overlay-errors                   Enables a full-screen overlay in the browser when there are compiler errors.
  --no-client-overlay-errors                Negative 'client-overlay-errors' option.
  --client-overlay-warnings                 Enables a full-screen overlay in the browser when there are compiler warnings.
  --no-client-overlay-warnings              Negative 'client-overlay-warnings' option.
  --client-web-socket-url <value>           Allows to specify URL to web socket server (useful when you're proxying dev server and client script does not always know where to connect to).
  --client-web-socket-url-hostname <value>  Tells clients connected to devServer to use the provided hostname.
  --client-web-socket-url-port <value>      Tells clients connected to devServer to use the provided port.
  --client-web-socket-url-pathname <value>  Tells clients connected to devServer to use the provided path to connect.
  --client-web-socket-url-protocol <value>  Tells clients connected to devServer to use the provided protocol.
  --client-web-socket-url-username <value>  Tells clients connected to devServer to use the provided username to authenticate.
  --client-web-socket-url-password <value>  Tells clients connected to devServer to use the provided password to authenticate.
  --web-socket-server <value>               Allows to set web socket server and options (by default 'ws').
  --no-web-socket-server                    Negative 'web-socket-server' option.
  --compress                                Enables gzip compression for everything served.
  --no-compress                             Disables gzip compression for everything served.
  --history-api-fallback                    Allows to proxy requests through a specified index page (by default 'index.html'), useful for Single Page Applications that utilise the HTML5 History API.
  --no-history-api-fallback                 Negative 'history-api-fallback' option.
  --host <value>                            Allows to specify a hostname to use.
  --hot [value]                             Enables Hot Module Replacement.
  --no-hot                                  Disables Hot Module Replacement.
  --http2                                   Allows to serve over HTTP/2 using SPDY.
  --no-http2                                Does not serve over HTTP/2 using SPDY.
  --https                                   Allows to configure the server's listening socket for TLS (by default, dev server will be served over HTTP).
  --no-https                                Disallows to configure the server's listening socket for TLS (by default, dev server will be served over HTTP).
  --https-passphrase <value>                Passphrase for a pfx file. Deprecated, it will be removed in favor of the `server.options.passphrase` option.
  --https-request-cert                      Request for an SSL certificate. Deprecated, it will be removed in favor of the `server.options.requestCert`
                                            option.
  --no-https-request-cert                   Negative 'https-request-cert' option.
  --https-ca <value...>                     Path to an SSL CA certificate or content of an SSL CA certificate. Deprecated, it will be removed in favor of the
                                            `server.options.ca` option.
  --https-ca-reset                          Clear all items provided in 'https.ca' configuration. Path to an SSL CA certificate or content of an SSL CA
                                            certificate. Deprecated, it will be removed in favor of the `server.options.ca` option.
  --https-cacert <value...>                 Path to an SSL CA certificate or content of an SSL CA certificate. Deprecated, it will be removed in favor of the
                                            `server.options.cacert` option.
  --https-cacert-reset                      Clear all items provided in 'https.cacert' configuration. Path to an SSL CA certificate or content of an SSL CA
                                            certificate. Deprecated, it will be removed in favor of the `server.options.cacert` option.
  --https-cert <value...>                   Path to an SSL certificate or content of an SSL certificate. Deprecated, it will be removed in favor of the
                                            `server.options.cert` option.
  --https-cert-reset                        Clear all items provided in 'https.cert' configuration. Path to an SSL certificate or content of an SSL
                                            certificate. Deprecated, it will be removed in favor of the `server.options.cert` option.
  --https-crl <value...>                    Path to PEM formatted CRLs (Certificate Revocation Lists) or content of PEM formatted CRLs (Certificate
                                            Revocation Lists). Deprecated, it will be removed in favor of the `server.options.crl` option.
  --https-crl-reset                         Clear all items provided in 'https.crl' configuration. Path to PEM formatted CRLs (Certificate Revocation Lists)
                                            or content of PEM formatted CRLs (Certificate Revocation Lists). Deprecated, it will be removed in favor of the
                                            `server.options.crl` option.
  --https-key <value...>                    Path to an SSL key or content of an SSL key. Deprecated, it will be removed in favor of the `server.options.key`
                                            option.
  --https-key-reset                         Clear all items provided in 'https.key' configuration. Path to an SSL key or content of an SSL key. Deprecated,
                                            it will be removed in favor of the `server.options.key` option.
  --https-pfx <value...>                    Path to an SSL pfx file or content of an SSL pfx file. Deprecated, it will be removed in favor of the
                                            `server.options.pfx` option.
  --https-pfx-reset                         Clear all items provided in 'https.pfx' configuration. Path to an SSL pfx file or content of an SSL pfx file.
                                            Deprecated, it will be removed in favor of the `server.options.pfx` option.
  --ipc [value]                             Listen to a unix socket.
  --live-reload                             Enables reload/refresh the page(s) when file changes are detected (enabled by default).
  --no-live-reload                          Disables reload/refresh the page(s) when file changes are detected (enabled by default)
  --magic-html                              Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
  --no-magic-html                           Disables magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
  --open [value...]                         Allows to configure dev server to open the browser(s) and page(s) after server had been started (set it to true to open your default browser).
  --no-open                                 Does not open the default browser.
  --open-target <value...>                  Opens specified page in browser.
  --open-app-name <value...>                Open specified browser.
  --open-app <value...>                     Open specified browser.
  --open-reset                              Clear all items provided in 'open' configuration. Allows to configure dev server to open the browser(s) and page(s) after server had been started (set it to true to open your default browser).
  --open-target-reset                       Clear all items provided in 'open.target' configuration. Opens specified page in browser.
  --open-app-name-reset                     Clear all items provided in 'open.app.name' configuration. Open specified browser.
  --port <value>                            Allows to specify a port to use.
  --server-type <value>                     Allows to set server and options (by default 'http').
  --server-options-passphrase <value>       Passphrase for a pfx file.
  --server-options-request-cert             Request for an SSL certificate.
  --no-server-options-request-cert          Negative 'server-options-request-cert' option.
  --server-options-ca <value...>            Path to an SSL CA certificate or content of an SSL CA certificate.
  --server-options-ca-reset                 Clear all items provided in 'server.options.ca' configuration. Path to an SSL CA certificate or content
                                            of an SSL CA certificate.
  --server-options-cacert <value...>        Path to an SSL CA certificate or content of an SSL CA certificate.
  --server-options-cacert-reset             Clear all items provided in 'server.options.cacert' configuration. Path to an SSL CA certificate or
                                            content of an SSL CA certificate.
  --server-options-cert <value...>          Path to an SSL certificate or content of an SSL certificate.
  --server-options-cert-reset               Clear all items provided in 'server.options.cert' configuration. Path to an SSL certificate or content
                                            of an SSL certificate.
  --server-options-crl <value...>           Path to PEM formatted CRLs (Certificate Revocation Lists) or content of PEM formatted CRLs (Certificate
                                            Revocation Lists).
  --server-options-crl-reset                Clear all items provided in 'server.options.crl' configuration. Path to PEM formatted CRLs (Certificate
                                            Revocation Lists) or content of PEM formatted CRLs (Certificate Revocation Lists).
  --server-options-key <value...>           Path to an SSL key or content of an SSL key.
  --server-options-key-reset                Clear all items provided in 'server.options.key' configuration. Path to an SSL key or content of an SSL
                                            key.
  --server-options-pfx <value...>           Path to an SSL pfx file or content of an SSL pfx file.
  --server-options-pfx-reset                Clear all items provided in 'server.options.pfx' configuration. Path to an SSL pfx file or content of
                                            an SSL pfx file.
  --static [value...]                       Allows to configure options for serving static files from directory (by default 'public' directory).
  --no-static                               Negative 'static' option.
  --static-directory <value...>             Directory for static contents.
  --static-public-path <value...>           The static files will be available in the browser under this public path.
  --static-serve-index                      Tells dev server to use serveIndex middleware when enabled.
  --no-static-serve-index                   Does not tell dev server to use serveIndex middleware.
  --static-watch                            Watches for files in static content directory.
  --no-static-watch                         Does not watch for files in static content directory.
  --static-reset                            Clear all items provided in 'static' configuration. Allows to configure options for serving static files from directory (by default 'public' directory).
  --static-public-path-reset                Clear all items provided in 'static.publicPath' configuration. The static files will be available in the browser under this public path.
  --watch-files <value...>                  Allows to configure list of globs/directories/files to watch for file changes.
  --watch-files-reset                       Clear all items provided in 'watchFiles' configuration. Allows to configure list of globs/directories/files to watch for file changes.

Global options:
  --color                                   Enable colors on console.
  --no-color                                Disable colors on console.
  -v, --version                             Output the version number of 'webpack', 'webpack-cli' and 'webpack-dev-server' and commands.
  -h, --help [verbose]                      Display help for commands and options.

To see list of all supported commands and options run 'webpack --help=verbose'.

Webpack documentation: https://webpack.js.org/.
CLI documentation: https://webpack.js.org/api/cli/.
Made with ♥ by the webpack team.

Note: For more information on above options explore this link.

With NPM Scripts

NPM package.json scripts are a convenient and useful means to run locally installedbinaries without having to be concerned about their full paths. Simply define ascript as such:

{
  "scripts": {
    "serve": "webpack serve"
  }
}

And run the following in your terminal/console:

npm run serve

NPM will automagically reference the binary in node_modules for you, andexecute the file or command.

With the API

While it's recommended to run webpack-dev-server via the CLI, you may also choose to start a server via the API.

The Result

Either method will start a server instance and begin listening for connectionsfrom localhost on port 8080.

webpack-dev-server is configured by default to support live-reload of files asyou edit your assets while the server is running.

See the documentation for more use cases and options.

Browser Support

While webpack-dev-server transpiles the client (browser) scripts to an ES5state, the project only officially supports the last two versions of majorbrowsers. We simply don't have the resources to support every whackybrowser out there.

If you find a bug with an obscure / old browser, we would actively welcome aPull Request to resolve the bug.

Support

We do our best to keep Issues in the repository focused on bugs, features, andneeded modifications to the code for the module. Because of that, we ask userswith general support, "how-to", or "why isn't this working" questions to try oneof the other support channels that are available.

Your first-stop-shop for support for webpack-dev-server should be the excellentdocumentation for the module. If you see an opportunity for improvementof those docs, please head over to the webpack.js.org repo and open apull request.

From there, we encourage users to visit the webpack Gitter chat andtalk to the fine folks there. If your quest for answers comes up dry in chat,head over to StackOverflow and do a quick search or open a newquestion. Remember; It's always much easier to answer questions that include yourwebpack.config.js and relevant files!

If you're twitter-savvy you can tweet #webpack with your questionand someone should be able to reach out and lend a hand.

If you have discovered a �� , have a feature suggestion, or would like to seea modification, please feel free to create an issue on Github. Note: The issuetemplate isn't optional, so please be sure not to remove it, and please fill itout completely.

Contributing

We welcome your contributions! Please have a read of CONTRIBUTING.md for more information on how to get involved.

Attribution

This project is heavily inspired by peerigon/nof5.

License

MIT

使用案例

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webpack-dev-server

webpack-dev-server

Table of Contents

Getting Started

Usage

With the CLI

With NPM Scripts

With the API

The Result

Browser Support

Support

Contributing

Attribution

License

MIT

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