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13138449
Jumping Panda
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024a34a7
Commit
024a34a7
authored
Oct 30, 2020
by
13138449
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024a34a7
'
use strict
'
;
const
autoprefixer
=
require
(
'
autoprefixer
'
);
const
path
=
require
(
'
path
'
);
const
webpack
=
require
(
'
webpack
'
);
const
HtmlWebpackPlugin
=
require
(
'
html-webpack-plugin
'
);
const
CaseSensitivePathsPlugin
=
require
(
'
case-sensitive-paths-webpack-plugin
'
);
const
InterpolateHtmlPlugin
=
require
(
'
react-dev-utils/InterpolateHtmlPlugin
'
);
const
WatchMissingNodeModulesPlugin
=
require
(
'
react-dev-utils/WatchMissingNodeModulesPlugin
'
);
const
eslintFormatter
=
require
(
'
react-dev-utils/eslintFormatter
'
);
const
ModuleScopePlugin
=
require
(
'
react-dev-utils/ModuleScopePlugin
'
);
const
getClientEnvironment
=
require
(
'
./env
'
);
const
paths
=
require
(
'
./paths
'
);
// Webpack uses `publicPath` to determine where the app is being served from.
// In development, we always serve from the root. This makes config easier.
const
publicPath
=
'
/
'
;
// `publicUrl` is just like `publicPath`, but we will provide it to our app
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
const
publicUrl
=
''
;
// Get environment variables to inject into our app.
const
env
=
getClientEnvironment
(
publicUrl
);
// This is the development configuration.
// It is focused on developer experience and fast rebuilds.
// The production configuration is different and lives in a separate file.
module
.
exports
=
{
// You may want 'eval' instead if you prefer to see the compiled output in DevTools.
// See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
devtool
:
'
cheap-module-source-map
'
,
// These are the "entry points" to our application.
// This means they will be the "root" imports that are included in JS bundle.
// The first two entry points enable "hot" CSS and auto-refreshes for JS.
entry
:
[
// We ship a few polyfills by default:
require
.
resolve
(
'
./polyfills
'
),
// Include an alternative client for WebpackDevServer. A client's job is to
// connect to WebpackDevServer by a socket and get notified about changes.
// When you save a file, the client will either apply hot updates (in case
// of CSS changes), or refresh the page (in case of JS changes). When you
// make a syntax error, this client will display a syntax error overlay.
// Note: instead of the default WebpackDevServer client, we use a custom one
// to bring better experience for Create React App users. You can replace
// the line below with these two lines if you prefer the stock client:
// require.resolve('webpack-dev-server/client') + '?/',
// require.resolve('webpack/hot/dev-server'),
require
.
resolve
(
'
react-dev-utils/webpackHotDevClient
'
),
// Finally, this is your app's code:
paths
.
appIndexJs
,
// We include the app code last so that if there is a runtime error during
// initialization, it doesn't blow up the WebpackDevServer client, and
// changing JS code would still trigger a refresh.
],
output
:
{
// Add /* filename */ comments to generated require()s in the output.
pathinfo
:
true
,
// This does not produce a real file. It's just the virtual path that is
// served by WebpackDevServer in development. This is the JS bundle
// containing code from all our entry points, and the Webpack runtime.
filename
:
'
static/js/bundle.js
'
,
// There are also additional JS chunk files if you use code splitting.
chunkFilename
:
'
static/js/[name].chunk.js
'
,
// This is the URL that app is served from. We use "/" in development.
publicPath
:
publicPath
,
// Point sourcemap entries to original disk location (format as URL on Windows)
devtoolModuleFilenameTemplate
:
info
=>
path
.
resolve
(
info
.
absoluteResourcePath
).
replace
(
/
\\
/g
,
'
/
'
),
},
resolve
:
{
// This allows you to set a fallback for where Webpack should look for modules.
// We placed these paths second because we want `node_modules` to "win"
// if there are any conflicts. This matches Node resolution mechanism.
// https://github.com/facebookincubator/create-react-app/issues/253
modules
:
[
'
node_modules
'
,
paths
.
appNodeModules
].
concat
(
// It is guaranteed to exist because we tweak it in `env.js`
process
.
env
.
NODE_PATH
.
split
(
path
.
delimiter
).
filter
(
Boolean
)
),
// These are the reasonable defaults supported by the Node ecosystem.
// We also include JSX as a common component filename extension to support
// some tools, although we do not recommend using it, see:
// https://github.com/facebookincubator/create-react-app/issues/290
// `web` extension prefixes have been added for better support
// for React Native Web.
extensions
:
[
'
.web.js
'
,
'
.mjs
'
,
'
.js
'
,
'
.json
'
,
'
.web.jsx
'
,
'
.jsx
'
],
alias
:
{
// Support React Native Web
// https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
'
react-native
'
:
'
react-native-web
'
,
},
plugins
:
[
// Prevents users from importing files from outside of src/ (or node_modules/).
// This often causes confusion because we only process files within src/ with babel.
// To fix this, we prevent you from importing files out of src/ -- if you'd like to,
// please link the files into your node_modules/ and let module-resolution kick in.
// Make sure your source files are compiled, as they will not be processed in any way.
new
ModuleScopePlugin
(
paths
.
appSrc
,
[
paths
.
appPackageJson
]),
],
},
module
:
{
strictExportPresence
:
true
,
rules
:
[
// TODO: Disable require.ensure as it's not a standard language feature.
// We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
// { parser: { requireEnsure: false } },
// First, run the linter.
// It's important to do this before Babel processes the JS.
{
test
:
/
\.(
js|jsx|mjs
)
$/
,
enforce
:
'
pre
'
,
use
:
[
{
options
:
{
formatter
:
eslintFormatter
,
eslintPath
:
require
.
resolve
(
'
eslint
'
),
},
loader
:
require
.
resolve
(
'
eslint-loader
'
),
},
],
include
:
paths
.
appSrc
,
},
{
// "oneOf" will traverse all following loaders until one will
// match the requirements. When no loader matches it will fall
// back to the "file" loader at the end of the loader list.
oneOf
:
[
// "url" loader works like "file" loader except that it embeds assets
// smaller than specified limit in bytes as data URLs to avoid requests.
// A missing `test` is equivalent to a match.
{
test
:
[
/
\.
bmp$/
,
/
\.
gif$/
,
/
\.
jpe
?
g$/
,
/
\.
png$/
],
loader
:
require
.
resolve
(
'
url-loader
'
),
options
:
{
limit
:
10000
,
name
:
'
static/media/[name].[hash:8].[ext]
'
,
},
},
// Process JS with Babel.
{
test
:
/
\.(
js|jsx|mjs
)
$/
,
include
:
paths
.
appSrc
,
loader
:
require
.
resolve
(
'
babel-loader
'
),
options
:
{
// This is a feature of `babel-loader` for webpack (not Babel itself).
// It enables caching results in ./node_modules/.cache/babel-loader/
// directory for faster rebuilds.
cacheDirectory
:
true
,
},
},
// "postcss" loader applies autoprefixer to our CSS.
// "css" loader resolves paths in CSS and adds assets as dependencies.
// "style" loader turns CSS into JS modules that inject <style> tags.
// In production, we use a plugin to extract that CSS to a file, but
// in development "style" loader enables hot editing of CSS.
{
test
:
/
\.
css$/
,
use
:
[
require
.
resolve
(
'
style-loader
'
),
{
loader
:
require
.
resolve
(
'
css-loader
'
),
options
:
{
importLoaders
:
1
,
},
},
{
loader
:
require
.
resolve
(
'
postcss-loader
'
),
options
:
{
// Necessary for external CSS imports to work
// https://github.com/facebookincubator/create-react-app/issues/2677
ident
:
'
postcss
'
,
plugins
:
()
=>
[
require
(
'
postcss-flexbugs-fixes
'
),
autoprefixer
({
browsers
:
[
'
>1%
'
,
'
last 4 versions
'
,
'
Firefox ESR
'
,
'
not ie < 9
'
,
// React doesn't support IE8 anyway
],
flexbox
:
'
no-2009
'
,
}),
],
},
},
],
},
// "file" loader makes sure those assets get served by WebpackDevServer.
// When you `import` an asset, you get its (virtual) filename.
// In production, they would get copied to the `build` folder.
// This loader doesn't use a "test" so it will catch all modules
// that fall through the other loaders.
{
// Exclude `js` files to keep "css" loader working as it injects
// it's runtime that would otherwise processed through "file" loader.
// Also exclude `html` and `json` extensions so they get processed
// by webpacks internal loaders.
exclude
:
[
/
\.
js$/
,
/
\.
html$/
,
/
\.
json$/
],
loader
:
require
.
resolve
(
'
file-loader
'
),
options
:
{
name
:
'
static/media/[name].[hash:8].[ext]
'
,
},
},
],
},
// ** STOP ** Are you adding a new loader?
// Make sure to add the new loader(s) before the "file" loader.
],
},
plugins
:
[
// Makes some environment variables available in index.html.
// The public URL is available as %PUBLIC_URL% in index.html, e.g.:
// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
// In development, this will be an empty string.
new
InterpolateHtmlPlugin
(
env
.
raw
),
// Generates an `index.html` file with the <script> injected.
new
HtmlWebpackPlugin
({
inject
:
true
,
template
:
paths
.
appHtml
,
}),
// Add module names to factory functions so they appear in browser profiler.
new
webpack
.
NamedModulesPlugin
(),
// Makes some environment variables available to the JS code, for example:
// if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
new
webpack
.
DefinePlugin
(
env
.
stringified
),
// This is necessary to emit hot updates (currently CSS only):
new
webpack
.
HotModuleReplacementPlugin
(),
// Watcher doesn't work well if you mistype casing in a path so we use
// a plugin that prints an error when you attempt to do this.
// See https://github.com/facebookincubator/create-react-app/issues/240
new
CaseSensitivePathsPlugin
(),
// If you require a missing module and then `npm install` it, you still have
// to restart the development server for Webpack to discover it. This plugin
// makes the discovery automatic so you don't have to restart.
// See https://github.com/facebookincubator/create-react-app/issues/186
new
WatchMissingNodeModulesPlugin
(
paths
.
appNodeModules
),
// Moment.js is an extremely popular library that bundles large locale files
// by default due to how Webpack interprets its code. This is a practical
// solution that requires the user to opt into importing specific locales.
// https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
// You can remove this if you don't use Moment.js:
new
webpack
.
IgnorePlugin
(
/^
\.\/
locale$/
,
/moment$/
),
],
// Some libraries import Node modules but don't use them in the browser.
// Tell Webpack to provide empty mocks for them so importing them works.
node
:
{
dgram
:
'
empty
'
,
fs
:
'
empty
'
,
net
:
'
empty
'
,
tls
:
'
empty
'
,
child_process
:
'
empty
'
,
},
// Turn off performance hints during development because we don't do any
// splitting or minification in interest of speed. These warnings become
// cumbersome.
performance
:
{
hints
:
false
,
},
};
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