Applied coding styles to config files

This commit is contained in:
Alejandro Celaya 2018-08-26 00:00:53 +02:00
parent 4e67798746
commit fff18202fd
9 changed files with 635 additions and 544 deletions

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@ -1,4 +1,3 @@
'use strict';
const fs = require('fs'); const fs = require('fs');
const path = require('path'); const path = require('path');
@ -7,7 +6,8 @@ const paths = require('./paths');
// Make sure that including paths.js after env.js will read .env variables. // Make sure that including paths.js after env.js will read .env variables.
delete require.cache[require.resolve('./paths')]; delete require.cache[require.resolve('./paths')];
const NODE_ENV = process.env.NODE_ENV; const { NODE_ENV } = process.env;
if (!NODE_ENV) { if (!NODE_ENV) {
throw new Error( throw new Error(
'The NODE_ENV environment variable is required but was not specified.' 'The NODE_ENV environment variable is required but was not specified.'
@ -15,9 +15,10 @@ if (!NODE_ENV) {
} }
// https://github.com/bkeepers/dotenv#what-other-env-files-can-i-use // https://github.com/bkeepers/dotenv#what-other-env-files-can-i-use
var dotenvFiles = [ const dotenvFiles = [
`${paths.dotenv}.${NODE_ENV}.local`, `${paths.dotenv}.${NODE_ENV}.local`,
`${paths.dotenv}.${NODE_ENV}`, `${paths.dotenv}.${NODE_ENV}`,
// Don't include `.env.local` for `test` environment // Don't include `.env.local` for `test` environment
// since normally you expect tests to produce the same // since normally you expect tests to produce the same
// results for everyone // results for everyone
@ -30,7 +31,7 @@ var dotenvFiles = [
// that have already been set. Variable expansion is supported in .env files. // that have already been set. Variable expansion is supported in .env files.
// https://github.com/motdotla/dotenv // https://github.com/motdotla/dotenv
// https://github.com/motdotla/dotenv-expand // https://github.com/motdotla/dotenv-expand
dotenvFiles.forEach(dotenvFile => { dotenvFiles.forEach((dotenvFile) => {
if (fs.existsSync(dotenvFile)) { if (fs.existsSync(dotenvFile)) {
require('dotenv-expand')( require('dotenv-expand')(
require('dotenv').config({ require('dotenv').config({
@ -50,10 +51,11 @@ dotenvFiles.forEach(dotenvFile => {
// https://github.com/facebookincubator/create-react-app/issues/1023#issuecomment-265344421 // https://github.com/facebookincubator/create-react-app/issues/1023#issuecomment-265344421
// We also resolve them to make sure all tools using them work consistently. // We also resolve them to make sure all tools using them work consistently.
const appDirectory = fs.realpathSync(process.cwd()); const appDirectory = fs.realpathSync(process.cwd());
process.env.NODE_PATH = (process.env.NODE_PATH || '') process.env.NODE_PATH = (process.env.NODE_PATH || '')
.split(path.delimiter) .split(path.delimiter)
.filter(folder => folder && !path.isAbsolute(folder)) .filter((folder) => folder && !path.isAbsolute(folder))
.map(folder => path.resolve(appDirectory, folder)) .map((folder) => path.resolve(appDirectory, folder))
.join(path.delimiter); .join(path.delimiter);
// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be // Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be
@ -62,16 +64,19 @@ const REACT_APP = /^REACT_APP_/i;
function getClientEnvironment(publicUrl) { function getClientEnvironment(publicUrl) {
const raw = Object.keys(process.env) const raw = Object.keys(process.env)
.filter(key => REACT_APP.test(key)) .filter((key) => REACT_APP.test(key))
.reduce( .reduce(
(env, key) => { (env, key) => {
env[key] = process.env[key]; env[key] = process.env[key];
return env; return env;
}, },
{ {
// Useful for determining whether were running in production mode. // Useful for determining whether were running in production mode.
// Most importantly, it switches React into the correct mode. // Most importantly, it switches React into the correct mode.
NODE_ENV: process.env.NODE_ENV || 'development', NODE_ENV: process.env.NODE_ENV || 'development',
// Useful for resolving the correct path to static assets in `public`. // Useful for resolving the correct path to static assets in `public`.
// For example, <img src={process.env.PUBLIC_URL + '/img/logo.png'} />. // For example, <img src={process.env.PUBLIC_URL + '/img/logo.png'} />.
// This should only be used as an escape hatch. Normally you would put // This should only be used as an escape hatch. Normally you would put
@ -79,10 +84,12 @@ function getClientEnvironment(publicUrl) {
PUBLIC_URL: publicUrl, PUBLIC_URL: publicUrl,
} }
); );
// Stringify all values so we can feed into Webpack DefinePlugin // Stringify all values so we can feed into Webpack DefinePlugin
const stringified = { const stringified = {
'process.env': Object.keys(raw).reduce((env, key) => { 'process.env': Object.keys(raw).reduce((env, key) => {
env[key] = JSON.stringify(raw[key]); env[key] = JSON.stringify(raw[key]);
return env; return env;
}, {}), }, {}),
}; };

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@ -1,4 +1,3 @@
'use strict';
// This is a custom Jest transformer turning style imports into empty objects. // This is a custom Jest transformer turning style imports into empty objects.
// http://facebook.github.io/jest/docs/en/webpack.html // http://facebook.github.io/jest/docs/en/webpack.html

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@ -1,4 +1,3 @@
'use strict';
const path = require('path'); const path = require('path');

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@ -1,4 +1,3 @@
'use strict';
const path = require('path'); const path = require('path');
const fs = require('fs'); const fs = require('fs');
@ -7,22 +6,23 @@ const url = require('url');
// Make sure any symlinks in the project folder are resolved: // Make sure any symlinks in the project folder are resolved:
// https://github.com/facebookincubator/create-react-app/issues/637 // https://github.com/facebookincubator/create-react-app/issues/637
const appDirectory = fs.realpathSync(process.cwd()); const appDirectory = fs.realpathSync(process.cwd());
const resolveApp = relativePath => path.resolve(appDirectory, relativePath); const resolveApp = (relativePath) => path.resolve(appDirectory, relativePath);
const envPublicUrl = process.env.PUBLIC_URL; const envPublicUrl = process.env.PUBLIC_URL;
function ensureSlash(path, needsSlash) { function ensureSlash(path, needsSlash) {
const hasSlash = path.endsWith('/'); const hasSlash = path.endsWith('/');
if (hasSlash && !needsSlash) { if (hasSlash && !needsSlash) {
return path.substr(path, path.length - 1); return path.substr(path, path.length - 1);
} else if (!hasSlash && needsSlash) { } else if (!hasSlash && needsSlash) {
return `${path}/`; return `${path}/`;
} else {
return path;
} }
return path;
} }
const getPublicUrl = appPackageJson => const getPublicUrl = (appPackageJson) =>
envPublicUrl || require(appPackageJson).homepage; envPublicUrl || require(appPackageJson).homepage;
// We use `PUBLIC_URL` environment variable or "homepage" field to infer // We use `PUBLIC_URL` environment variable or "homepage" field to infer
@ -34,6 +34,7 @@ const getPublicUrl = appPackageJson =>
function getServedPath(appPackageJson) { function getServedPath(appPackageJson) {
const publicUrl = getPublicUrl(appPackageJson); const publicUrl = getPublicUrl(appPackageJson);
const servedUrl = envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/'); const servedUrl = envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
return ensureSlash(servedUrl, true); return ensureSlash(servedUrl, true);
} }

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@ -1,4 +1,3 @@
'use strict';
if (typeof Promise === 'undefined') { if (typeof Promise === 'undefined') {
// Rejection tracking prevents a common issue where React gets into an // Rejection tracking prevents a common issue where React gets into an

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@ -1,7 +1,6 @@
'use strict';
const autoprefixer = require('autoprefixer');
const path = require('path'); const path = require('path');
const autoprefixer = require('autoprefixer');
const webpack = require('webpack'); const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin'); const HtmlWebpackPlugin = require('html-webpack-plugin');
const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin'); const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
@ -9,265 +8,301 @@ const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin'); const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter'); const eslintFormatter = require('react-dev-utils/eslintFormatter');
const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin'); const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const getClientEnvironment = require('./env'); const getClientEnvironment = require('./env');
const paths = require('./paths'); const paths = require('./paths');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
// Webpack uses `publicPath` to determine where the app is being served from. // Webpack uses `publicPath` to determine where the app is being served from.
// In development, we always serve from the root. This makes config easier. // In development, we always serve from the root. This makes config easier.
const publicPath = '/'; const publicPath = '/';
// `publicUrl` is just like `publicPath`, but we will provide it to our app // `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. // 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. // Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
const publicUrl = ''; const publicUrl = '';
// Get environment variables to inject into our app. // Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl); const env = getClientEnvironment(publicUrl);
const postCssLoader = { const postCssLoader = {
loader: require.resolve('postcss-loader'), loader: require.resolve('postcss-loader'),
options: { options: {
// Necessary for external CSS imports to work
// https://github.com/facebookincubator/create-react-app/issues/2677 // Necessary for external CSS imports to work
ident: 'postcss', // https://github.com/facebookincubator/create-react-app/issues/2677
plugins: () => [ ident: 'postcss',
require('postcss-flexbugs-fixes'), plugins: () => [
autoprefixer({ require('postcss-flexbugs-fixes'),
browsers: [ autoprefixer({
'>1%', browsers: [
'last 4 versions', '>1%',
'Firefox ESR', 'last 4 versions',
'not ie < 9', // React doesn't support IE8 anyway 'Firefox ESR',
], 'not ie < 9',
flexbox: 'no-2009',
}),
], ],
}, flexbox: 'no-2009',
}),
],
},
}; };
// This is the development configuration. // This is the development configuration.
// It is focused on developer experience and fast rebuilds. // It is focused on developer experience and fast rebuilds.
// The production configuration is different and lives in a separate file. // The production configuration is different and lives in a separate file.
module.exports = { 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 // You may want 'eval' instead if you prefer to see the compiled output in DevTools.
// https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/ // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
'react-native': 'react-native-web', devtool: 'cheap-module-source-map',
},
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. // These are the "entry points" to our application.
// It's important to do this before Babel processes the JS. // 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.
test: /\.(js|jsx|mjs)$/, entry: [
enforce: 'pre',
use: [
{
options: {
formatter: eslintFormatter,
eslintPath: require.resolve('eslint'),
}, // We ship a few polyfills by default:
loader: require.resolve('eslint-loader'), require.resolve('./polyfills'),
},
],
include: paths.appSrc,
},
{
// "oneOf" will traverse all following loaders until one will
// match the requirements. When no loader matches it will fall
// back to the "file" loader at the end of the loader list.
oneOf: [
// "url" loader works like "file" loader except that it embeds assets
// smaller than specified limit in bytes as data URLs to avoid requests.
// A missing `test` is equivalent to a match.
{
test: [/\.bmp$/, /\.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). // Include an alternative client for WebpackDevServer. A client's job is to
// It enables caching results in ./node_modules/.cache/babel-loader/ // connect to WebpackDevServer by a socket and get notified about changes.
// directory for faster rebuilds. // When you save a file, the client will either apply hot updates (in case
cacheDirectory: true, // 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
// "postcss" loader applies autoprefixer to our CSS. // to bring better experience for Create React App users. You can replace
// "css" loader resolves paths in CSS and adds assets as dependencies. // the line below with these two lines if you prefer the stock client:
// "style" loader turns CSS into JS modules that inject <style> tags. // require.resolve('webpack-dev-server/client') + '?/',
// In production, we use a plugin to extract that CSS to a file, but // require.resolve('webpack/hot/dev-server'),
// in development "style" loader enables hot editing of CSS. require.resolve('react-dev-utils/webpackHotDevClient'),
{
test: /\.css$/, // Finally, this is your app's code:
use: [ paths.appIndexJs,
require.resolve('style-loader'),
{ // We include the app code last so that if there is a runtime error during
loader: require.resolve('css-loader'), // initialization, it doesn't blow up the WebpackDevServer client, and
options: { // changing JS code would still trigger a refresh.
importLoaders: 1, ],
}, output: {
},
postCssLoader, // Add /* filename */ comments to generated require()s in the output.
], pathinfo: true,
},
{ // This does not produce a real file. It's just the virtual path that is
test: /\.scss$/, // served by WebpackDevServer in development. This is the JS bundle
use: ExtractTextPlugin.extract({ // containing code from all our entry points, and the Webpack runtime.
fallback: 'style-loader', filename: 'static/js/bundle.js',
use: ['css-loader', 'sass-loader', postCssLoader]
}) // There are also additional JS chunk files if you use code splitting.
}, chunkFilename: 'static/js/[name].chunk.js',
// "file" loader makes sure those assets get served by WebpackDevServer.
// When you `import` an asset, you get its (virtual) filename. // This is the URL that app is served from. We use "/" in development.
// In production, they would get copied to the `build` folder. publicPath,
// This loader doesn't use a "test" so it will catch all modules
// that fall through the other loaders. // Point sourcemap entries to original disk location (format as URL on Windows)
{ devtoolModuleFilenameTemplate: (info) =>
// Exclude `js` files to keep "css" loader working as it injects path.resolve(info.absoluteResourcePath).replace(/\\/g, '/'),
// its runtime that would otherwise processed through "file" loader. },
// Also exclude `html` and `json` extensions so they get processed resolve: {
// by webpacks internal loaders.
exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/], // This allows you to set a fallback for where Webpack should look for modules.
loader: require.resolve('file-loader'), // We placed these paths second because we want `node_modules` to "win"
options: { // if there are any conflicts. This matches Node resolution mechanism.
name: 'static/media/[name].[hash:8].[ext]', // 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)
// ** STOP ** Are you adding a new loader? ),
// Make sure to add the new loader(s) before the "file" loader.
], // 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: [ plugins: [
// Makes some environment variables available in index.html.
// The public URL is available as %PUBLIC_URL% in index.html, e.g.: // Prevents users from importing files from outside of src/ (or node_modules/).
// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico"> // This often causes confusion because we only process files within src/ with babel.
// In development, this will be an empty string. // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
new InterpolateHtmlPlugin(env.raw), // please link the files into your node_modules/ and let module-resolution kick in.
// Generates an `index.html` file with the <script> injected. // Make sure your source files are compiled, as they will not be processed in any way.
new HtmlWebpackPlugin({ new ModuleScopePlugin(paths.appSrc, [ paths.appPackageJson ]),
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$/),
new ExtractTextPlugin('main.css'),
], ],
// Some libraries import Node modules but don't use them in the browser. },
// Tell Webpack to provide empty mocks for them so importing them works. module: {
node: { strictExportPresence: true,
dgram: 'empty', rules: [
fs: 'empty',
net: 'empty', // TODO: Disable require.ensure as it's not a standard language feature.
tls: 'empty', // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
child_process: 'empty', // { parser: { requireEnsure: false } },
},
// Turn off performance hints during development because we don't do any // First, run the linter.
// splitting or minification in interest of speed. These warnings become // It's important to do this before Babel processes the JS.
// cumbersome. {
performance: { test: /\.(js|jsx|mjs)$/,
hints: false, 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,
},
},
postCssLoader,
],
},
{
test: /\.scss$/,
use: ExtractTextPlugin.extract({
fallback: 'style-loader',
use: [ 'css-loader', 'sass-loader', postCssLoader ],
}),
},
// "file" loader makes sure those assets get served by WebpackDevServer.
// When you `import` an asset, you get its (virtual) filename.
// In production, they would get copied to the `build` folder.
// This loader doesn't use a "test" so it will catch all modules
// that fall through the other loaders.
{
// Exclude `js` files to keep "css" loader working as it injects
// its runtime that would otherwise processed through "file" loader.
// Also exclude `html` and `json` extensions so they get processed
// by webpacks internal loaders.
exclude: [ /\.(js|jsx|mjs)$/, /\.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$/, /moment$/),
new ExtractTextPlugin('main.css'),
],
// 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,
},
}; };

View file

@ -1,7 +1,6 @@
'use strict';
const autoprefixer = require('autoprefixer');
const path = require('path'); const path = require('path');
const autoprefixer = require('autoprefixer');
const webpack = require('webpack'); const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin'); const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin'); const ExtractTextPlugin = require('extract-text-webpack-plugin');
@ -16,22 +15,26 @@ const getClientEnvironment = require('./env');
// Webpack uses `publicPath` to determine where the app is being served from. // Webpack uses `publicPath` to determine where the app is being served from.
// It requires a trailing slash, or the file assets will get an incorrect path. // It requires a trailing slash, or the file assets will get an incorrect path.
const publicPath = paths.servedPath; const publicPath = paths.servedPath;
// Some apps do not use client-side routing with pushState. // Some apps do not use client-side routing with pushState.
// For these, "homepage" can be set to "." to enable relative asset paths. // For these, "homepage" can be set to "." to enable relative asset paths.
const shouldUseRelativeAssetPaths = publicPath === './'; const shouldUseRelativeAssetPaths = publicPath === './';
// Source maps are resource heavy and can cause out of memory issue for large source files. // Source maps are resource heavy and can cause out of memory issue for large source files.
const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false'; const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
// `publicUrl` is just like `publicPath`, but we will provide it to our app // `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. // as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz. // Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
const publicUrl = publicPath.slice(0, -1); const publicUrl = publicPath.slice(0, -1);
// Get environment variables to inject into our app. // Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl); const env = getClientEnvironment(publicUrl);
// Assert this just to be safe. // Assert this just to be safe.
// Development builds of React are slow and not intended for production. // Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') { if (env.stringified['process.env'].NODE_ENV !== '"production"') {
throw new Error('Production builds must have NODE_ENV=production.'); throw new Error('Production builds must have NODE_ENV=production.');
} }
// Note: defined here because it will be used more than once. // Note: defined here because it will be used more than once.
@ -41,305 +44,342 @@ const cssFilename = 'static/css/[name].[contenthash:8].css';
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27) // (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
// However, our output is structured with css, js and media folders. // However, our output is structured with css, js and media folders.
// To have this structure working with relative paths, we have to use custom options. // To have this structure working with relative paths, we have to use custom options.
// Making sure that the publicPath goes back to to build folder.
const extractTextPluginOptions = shouldUseRelativeAssetPaths const extractTextPluginOptions = shouldUseRelativeAssetPaths
? // Making sure that the publicPath goes back to to build folder. ? { publicPath: Array(cssFilename.split('/').length).join('../') }
{publicPath: Array(cssFilename.split('/').length).join('../')} : {};
: {};
// This is the production configuration. // This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle. // It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file. // The development configuration is different and lives in a separate file.
module.exports = { module.exports = {
// Don't attempt to continue if there are any errors.
bail: true,
// We generate sourcemaps in production. This is slow but gives good results.
// You can exclude the *.map files from the build during deployment.
devtool: shouldUseSourceMap ? 'source-map' : false,
// In production, we only want to load the polyfills and the app code.
entry: [require.resolve('./polyfills'), paths.appIndexJs],
output: {
// The build folder.
path: paths.appBuild,
// Generated JS file names (with nested folders).
// There will be one main bundle, and one file per asynchronous chunk.
// We don't currently advertise code splitting but Webpack supports it.
filename: 'static/js/[name].[chunkhash:8].js',
chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
// We inferred the "public path" (such as / or /my-project) from homepage.
publicPath: publicPath,
// Point sourcemap entries to original disk location (format as URL on Windows)
devtoolModuleFilenameTemplate: info =>
path
.relative(paths.appSrc, 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 // Don't attempt to continue if there are any errors.
// https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/ bail: true,
'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. // We generate sourcemaps in production. This is slow but gives good results.
// It's important to do this before Babel processes the JS. // You can exclude the *.map files from the build during deployment.
{ devtool: shouldUseSourceMap ? 'source-map' : false,
test: /\.(js|jsx|mjs)$/,
enforce: 'pre',
use: [
{
options: {
formatter: eslintFormatter,
eslintPath: require.resolve('eslint'),
}, // In production, we only want to load the polyfills and the app code.
loader: require.resolve('eslint-loader'), entry: [ require.resolve('./polyfills'), paths.appIndexJs ],
}, output: {
],
include: paths.appSrc,
},
{
// "oneOf" will traverse all following loaders until one will
// match the requirements. When no loader matches it will fall
// back to the "file" loader at the end of the loader list.
oneOf: [
// "url" loader works just like "file" loader but it also embeds
// assets smaller than specified size as data URLs to avoid requests.
{
test: [/\.bmp$/, /\.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: {
compact: true, // The build folder.
}, path: paths.appBuild,
},
// The notation here is somewhat confusing. // Generated JS file names (with nested folders).
// "postcss" loader applies autoprefixer to our CSS. // There will be one main bundle, and one file per asynchronous chunk.
// "css" loader resolves paths in CSS and adds assets as dependencies. // We don't currently advertise code splitting but Webpack supports it.
// "style" loader normally turns CSS into JS modules injecting <style>, filename: 'static/js/[name].[chunkhash:8].js',
// but unlike in development configuration, we do something different. chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
// `ExtractTextPlugin` first applies the "postcss" and "css" loaders
// (second argument), then grabs the result CSS and puts it into a // We inferred the "public path" (such as / or /my-project) from homepage.
// separate file in our build process. This way we actually ship publicPath,
// a single CSS file in production instead of JS code injecting <style>
// tags. If you use code splitting, however, any async bundles will still // Point sourcemap entries to original disk location (format as URL on Windows)
// use the "style" loader inside the async code so CSS from them won't be devtoolModuleFilenameTemplate: (info) =>
// in the main CSS file. path
{ .relative(paths.appSrc, info.absoluteResourcePath)
test: [/\.css$/, /\.scss$/], .replace(/\\/g, '/'),
loader: ExtractTextPlugin.extract( },
Object.assign( resolve: {
{
fallback: { // This allows you to set a fallback for where Webpack should look for modules.
loader: require.resolve('style-loader'), // We placed these paths second because we want `node_modules` to "win"
options: { // if there are any conflicts. This matches Node resolution mechanism.
hmr: false, // https://github.com/facebookincubator/create-react-app/issues/253
}, modules: [ 'node_modules', paths.appNodeModules ].concat(
},
use: [ // It is guaranteed to exist because we tweak it in `env.js`
{ process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
loader: require.resolve('css-loader'), ),
options: {
importLoaders: 1, // These are the reasonable defaults supported by the Node ecosystem.
minimize: true, // We also include JSX as a common component filename extension to support
sourceMap: shouldUseSourceMap, // 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.
loader: require.resolve('sass-loader'), extensions: [ '.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx' ],
}, alias: {
{
loader: require.resolve('postcss-loader'), // Support React Native Web
options: { // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
// Necessary for external CSS imports to work 'react-native': 'react-native-web',
// 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',
}),
],
},
},
],
},
extractTextPluginOptions
)
),
// Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
},
// "file" loader makes sure assets end up in the `build` folder.
// When you `import` an asset, you get its filename.
// This loader doesn't use a "test" so it will catch all modules
// that fall through the other loaders.
{
loader: require.resolve('file-loader'),
// 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|jsx|mjs)$/, /\.html$/, /\.json$/],
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: [ plugins: [
// Makes some environment variables available in index.html.
// The public URL is available as %PUBLIC_URL% in index.html, e.g.: // Prevents users from importing files from outside of src/ (or node_modules/).
// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico"> // This often causes confusion because we only process files within src/ with babel.
// In production, it will be an empty string unless you specify "homepage" // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
// in `package.json`, in which case it will be the pathname of that URL. // please link the files into your node_modules/ and let module-resolution kick in.
new InterpolateHtmlPlugin(env.raw), // Make sure your source files are compiled, as they will not be processed in any way.
// Generates an `index.html` file with the <script> injected. new ModuleScopePlugin(paths.appSrc, [ paths.appPackageJson ]),
new HtmlWebpackPlugin({
inject: true,
template: paths.appHtml,
minify: {
removeComments: true,
collapseWhitespace: true,
removeRedundantAttributes: true,
useShortDoctype: true,
removeEmptyAttributes: true,
removeStyleLinkTypeAttributes: true,
keepClosingSlash: true,
minifyJS: true,
minifyCSS: true,
minifyURLs: true,
},
}),
// Makes some environment variables available to the JS code, for example:
// if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
// It is absolutely essential that NODE_ENV was set to production here.
// Otherwise React will be compiled in the very slow development mode.
new webpack.DefinePlugin(env.stringified),
// Minify the code.
new webpack.optimize.UglifyJsPlugin({
compress: {
warnings: false,
// Disabled because of an issue with Uglify breaking seemingly valid code:
// https://github.com/facebookincubator/create-react-app/issues/2376
// Pending further investigation:
// https://github.com/mishoo/UglifyJS2/issues/2011
comparisons: false,
},
mangle: {
safari10: true,
},
output: {
comments: false,
// Turned on because emoji and regex is not minified properly using default
// https://github.com/facebookincubator/create-react-app/issues/2488
ascii_only: true,
},
sourceMap: shouldUseSourceMap,
}),
// Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
new ExtractTextPlugin({
filename: cssFilename,
}),
// Generate a manifest file which contains a mapping of all asset filenames
// to their corresponding output file so that tools can pick it up without
// having to parse `index.html`.
new ManifestPlugin({
fileName: 'asset-manifest.json',
}),
// Generate a service worker script that will precache, and keep up to date,
// the HTML & assets that are part of the Webpack build.
new SWPrecacheWebpackPlugin({
// By default, a cache-busting query parameter is appended to requests
// used to populate the caches, to ensure the responses are fresh.
// If a URL is already hashed by Webpack, then there is no concern
// about it being stale, and the cache-busting can be skipped.
dontCacheBustUrlsMatching: /\.\w{8}\./,
filename: 'service-worker.js',
logger(message) {
if (message.indexOf('Total precache size is') === 0) {
// This message occurs for every build and is a bit too noisy.
return;
}
if (message.indexOf('Skipping static resource') === 0) {
// This message obscures real errors so we ignore it.
// https://github.com/facebookincubator/create-react-app/issues/2612
return;
}
console.log(message);
},
minify: true,
// For unknown URLs, fallback to the index page
navigateFallback: publicUrl + '/index.html',
// Ignores URLs starting from /__ (useful for Firebase):
// https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
navigateFallbackWhitelist: [/^(?!\/__).*/],
// Don't precache sourcemaps (they're large) and build asset manifest:
staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
}),
// Moment.js is an extremely popular library that bundles large locale files
// by default due to how Webpack interprets its code. This is a practical
// solution that requires the user to opt into importing specific locales.
// https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
// You can remove this if you don't use Moment.js:
new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
], ],
// Some libraries import Node modules but don't use them in the browser. },
// Tell Webpack to provide empty mocks for them so importing them works. module: {
node: { strictExportPresence: true,
dgram: 'empty', rules: [
fs: 'empty',
net: 'empty', // TODO: Disable require.ensure as it's not a standard language feature.
tls: 'empty', // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
child_process: 'empty', // { parser: { requireEnsure: false } },
},
// First, run the linter.
// It's important to do this before Babel processes the JS.
{
test: /\.(js|jsx|mjs)$/,
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 just like "file" loader but it also embeds
// assets smaller than specified size as data URLs to avoid requests.
{
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)$/,
include: paths.appSrc,
loader: require.resolve('babel-loader'),
options: {
compact: true,
},
},
// The notation here is somewhat confusing.
// "postcss" loader applies autoprefixer to our CSS.
// "css" loader resolves paths in CSS and adds assets as dependencies.
// "style" loader normally turns CSS into JS modules injecting <style>,
// but unlike in development configuration, we do something different.
// `ExtractTextPlugin` first applies the "postcss" and "css" loaders
// (second argument), then grabs the result CSS and puts it into a
// separate file in our build process. This way we actually ship
// a single CSS file in production instead of JS code injecting <style>
// tags. If you use code splitting, however, any async bundles will still
// use the "style" loader inside the async code so CSS from them won't be
// in the main CSS file.
{
test: [ /\.css$/, /\.scss$/ ],
loader: ExtractTextPlugin.extract(
Object.assign(
{
fallback: {
loader: require.resolve('style-loader'),
options: {
hmr: false,
},
},
use: [
{
loader: require.resolve('css-loader'),
options: {
importLoaders: 1,
minimize: true,
sourceMap: shouldUseSourceMap,
},
},
{
loader: require.resolve('sass-loader'),
},
{
loader: require.resolve('postcss-loader'),
options: {
// Necessary for external CSS imports to work
// https://github.com/facebookincubator/create-react-app/issues/2677
ident: 'postcss',
plugins: () => [
require('postcss-flexbugs-fixes'),
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9',
],
flexbox: 'no-2009',
}),
],
},
},
],
},
extractTextPluginOptions
)
),
// Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
},
// "file" loader makes sure assets end up in the `build` folder.
// When you `import` an asset, you get its filename.
// This loader doesn't use a "test" so it will catch all modules
// that fall through the other loaders.
{
loader: require.resolve('file-loader'),
// Exclude `js` files to keep "css" loader working as it injects
// it's runtime that would otherwise processed through "file" loader.
// Also exclude `html` and `json` extensions so they get processed
// by webpacks internal loaders.
exclude: [ /\.(js|jsx|mjs)$/, /\.html$/, /\.json$/ ],
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 production, it will be an empty string unless you specify "homepage"
// in `package.json`, in which case it will be the pathname of that URL.
new InterpolateHtmlPlugin(env.raw),
// Generates an `index.html` file with the <script> injected.
new HtmlWebpackPlugin({
inject: true,
template: paths.appHtml,
minify: {
removeComments: true,
collapseWhitespace: true,
removeRedundantAttributes: true,
useShortDoctype: true,
removeEmptyAttributes: true,
removeStyleLinkTypeAttributes: true,
keepClosingSlash: true,
minifyJS: true,
minifyCSS: true,
minifyURLs: true,
},
}),
// Makes some environment variables available to the JS code, for example:
// if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
// It is absolutely essential that NODE_ENV was set to production here.
// Otherwise React will be compiled in the very slow development mode.
new webpack.DefinePlugin(env.stringified),
// Minify the code.
new webpack.optimize.UglifyJsPlugin({
compress: {
warnings: false,
// Disabled because of an issue with Uglify breaking seemingly valid code:
// https://github.com/facebookincubator/create-react-app/issues/2376
// Pending further investigation:
// https://github.com/mishoo/UglifyJS2/issues/2011
comparisons: false,
},
mangle: {
safari10: true,
},
output: {
comments: false,
// Turned on because emoji and regex is not minified properly using default
// https://github.com/facebookincubator/create-react-app/issues/2488
ascii_only: true,
},
sourceMap: shouldUseSourceMap,
}),
// Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
new ExtractTextPlugin({
filename: cssFilename,
}),
// Generate a manifest file which contains a mapping of all asset filenames
// to their corresponding output file so that tools can pick it up without
// having to parse `index.html`.
new ManifestPlugin({
fileName: 'asset-manifest.json',
}),
// Generate a service worker script that will precache, and keep up to date,
// the HTML & assets that are part of the Webpack build.
new SWPrecacheWebpackPlugin({
// By default, a cache-busting query parameter is appended to requests
// used to populate the caches, to ensure the responses are fresh.
// If a URL is already hashed by Webpack, then there is no concern
// about it being stale, and the cache-busting can be skipped.
dontCacheBustUrlsMatching: /\.\w{8}\./,
filename: 'service-worker.js',
logger(message) {
if (message.indexOf('Total precache size is') === 0) {
// This message occurs for every build and is a bit too noisy.
return;
}
if (message.indexOf('Skipping static resource') === 0) {
// This message obscures real errors so we ignore it.
// https://github.com/facebookincubator/create-react-app/issues/2612
return;
}
console.log(message); // eslint-disable-line
},
minify: true,
// For unknown URLs, fallback to the index page
navigateFallback: `${publicUrl}/index.html`,
// Ignores URLs starting from /__ (useful for Firebase):
// https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
navigateFallbackWhitelist: [ /^(?!\/__).*/ ],
// Don't precache sourcemaps (they're large) and build asset manifest:
staticFileGlobsIgnorePatterns: [ /\.map$/, /asset-manifest\.json$/ ],
}),
// Moment.js is an extremely popular library that bundles large locale files
// by default due to how Webpack interprets its code. This is a practical
// solution that requires the user to opt into importing specific locales.
// https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
// You can remove this if you don't use Moment.js:
new webpack.IgnorePlugin(/^\.\/locale$/, /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',
},
}; };

View file

@ -1,4 +1,3 @@
'use strict';
const errorOverlayMiddleware = require('react-dev-utils/errorOverlayMiddleware'); const errorOverlayMiddleware = require('react-dev-utils/errorOverlayMiddleware');
const noopServiceWorkerMiddleware = require('react-dev-utils/noopServiceWorkerMiddleware'); const noopServiceWorkerMiddleware = require('react-dev-utils/noopServiceWorkerMiddleware');
@ -11,6 +10,7 @@ const host = process.env.HOST || '0.0.0.0';
module.exports = function(proxy, allowedHost) { module.exports = function(proxy, allowedHost) {
return { return {
// WebpackDevServer 2.4.3 introduced a security fix that prevents remote // WebpackDevServer 2.4.3 introduced a security fix that prevents remote
// websites from potentially accessing local content through DNS rebinding: // websites from potentially accessing local content through DNS rebinding:
// https://github.com/webpack/webpack-dev-server/issues/887 // https://github.com/webpack/webpack-dev-server/issues/887
@ -29,11 +29,14 @@ module.exports = function(proxy, allowedHost) {
// really know what you're doing with a special environment variable. // really know what you're doing with a special environment variable.
disableHostCheck: disableHostCheck:
!proxy || process.env.DANGEROUSLY_DISABLE_HOST_CHECK === 'true', !proxy || process.env.DANGEROUSLY_DISABLE_HOST_CHECK === 'true',
// Enable gzip compression of generated files. // Enable gzip compression of generated files.
compress: true, compress: true,
// Silence WebpackDevServer's own logs since they're generally not useful. // Silence WebpackDevServer's own logs since they're generally not useful.
// It will still show compile warnings and errors with this setting. // It will still show compile warnings and errors with this setting.
clientLogLevel: 'none', clientLogLevel: 'none',
// By default WebpackDevServer serves physical files from current directory // By default WebpackDevServer serves physical files from current directory
// in addition to all the virtual build products that it serves from memory. // in addition to all the virtual build products that it serves from memory.
// This is confusing because those files wont automatically be available in // This is confusing because those files wont automatically be available in
@ -49,20 +52,25 @@ module.exports = function(proxy, allowedHost) {
// for some reason broken when imported through Webpack. If you just want to // for some reason broken when imported through Webpack. If you just want to
// use an image, put it in `src` and `import` it from JavaScript instead. // use an image, put it in `src` and `import` it from JavaScript instead.
contentBase: paths.appPublic, contentBase: paths.appPublic,
// By default files from `contentBase` will not trigger a page reload. // By default files from `contentBase` will not trigger a page reload.
watchContentBase: true, watchContentBase: true,
// Enable hot reloading server. It will provide /sockjs-node/ endpoint // Enable hot reloading server. It will provide /sockjs-node/ endpoint
// for the WebpackDevServer client so it can learn when the files were // for the WebpackDevServer client so it can learn when the files were
// updated. The WebpackDevServer client is included as an entry point // updated. The WebpackDevServer client is included as an entry point
// in the Webpack development configuration. Note that only changes // in the Webpack development configuration. Note that only changes
// to CSS are currently hot reloaded. JS changes will refresh the browser. // to CSS are currently hot reloaded. JS changes will refresh the browser.
hot: true, hot: true,
// It is important to tell WebpackDevServer to use the same "root" path // It is important to tell WebpackDevServer to use the same "root" path
// as we specified in the config. In development, we always serve from /. // as we specified in the config. In development, we always serve from /.
publicPath: config.output.publicPath, publicPath: config.output.publicPath,
// WebpackDevServer is noisy by default so we emit custom message instead // WebpackDevServer is noisy by default so we emit custom message instead
// by listening to the compiler events with `compiler.plugin` calls above. // by listening to the compiler events with `compiler.plugin` calls above.
quiet: true, quiet: true,
// Reportedly, this avoids CPU overload on some systems. // Reportedly, this avoids CPU overload on some systems.
// https://github.com/facebookincubator/create-react-app/issues/293 // https://github.com/facebookincubator/create-react-app/issues/293
// src/node_modules is not ignored to support absolute imports // src/node_modules is not ignored to support absolute imports
@ -70,11 +78,13 @@ module.exports = function(proxy, allowedHost) {
watchOptions: { watchOptions: {
ignored: ignoredFiles(paths.appSrc), ignored: ignoredFiles(paths.appSrc),
}, },
// Enable HTTPS if the HTTPS environment variable is set to 'true' // Enable HTTPS if the HTTPS environment variable is set to 'true'
https: protocol === 'https', https: protocol === 'https',
host: host, host,
overlay: false, overlay: false,
historyApiFallback: { historyApiFallback: {
// Paths with dots should still use the history fallback. // Paths with dots should still use the history fallback.
// See https://github.com/facebookincubator/create-react-app/issues/387. // See https://github.com/facebookincubator/create-react-app/issues/387.
disableDotRule: true, disableDotRule: true,
@ -84,6 +94,7 @@ module.exports = function(proxy, allowedHost) {
before(app) { before(app) {
// This lets us open files from the runtime error overlay. // This lets us open files from the runtime error overlay.
app.use(errorOverlayMiddleware()); app.use(errorOverlayMiddleware());
// This service worker file is effectively a 'no-op' that will reset any // This service worker file is effectively a 'no-op' that will reset any
// previous service worker registered for the same host:port combination. // previous service worker registered for the same host:port combination.
// We do this in development to avoid hitting the production cache if // We do this in development to avoid hitting the production cache if

View file

@ -5,7 +5,7 @@
"private": false, "private": false,
"scripts": { "scripts": {
"lint": "yarn lint:js && yarn lint:css", "lint": "yarn lint:js && yarn lint:css",
"lint:js": "eslint src test scripts", "lint:js": "eslint src test scripts config",
"lint:js:fix": "yarn lint:js --fix", "lint:js:fix": "yarn lint:js --fix",
"lint:css": "stylelint src/**/*.scss", "lint:css": "stylelint src/**/*.scss",
"lint:css:fix": "yarn lint:css --fix", "lint:css:fix": "yarn lint:css --fix",