forked from withspectrum/spectrum
/
config-overrides.js
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/
config-overrides.js
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/**
* Override things of the default create-react-app configuration here
*
* This is using react-app-rewired by @timarney
*/
const debug = require('debug')('build:config-overrides');
const webpack = require('webpack');
const { injectBabelPlugin } = require('react-app-rewired');
const rewireStyledComponents = require('react-app-rewire-styled-components');
const swPrecachePlugin = require('sw-precache-webpack-plugin');
const fs = require('fs');
const path = require('path');
const match = require('micromatch');
const WriteFilePlugin = require('write-file-webpack-plugin');
const { ReactLoadablePlugin } = require('react-loadable/webpack');
const OfflinePlugin = require('offline-plugin');
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
const BundleBuddyWebpackPlugin = require('bundle-buddy-webpack-plugin');
// Recursively walk a folder and get all file paths
function walkFolder(currentDirPath, callback) {
fs.readdirSync(currentDirPath).forEach(name => {
// Skip dot files
if (name.indexOf('.') === 0) return;
var filePath = path.join(currentDirPath, name);
var stat = fs.statSync(filePath);
if (stat.isFile()) {
callback(filePath, stat);
} else if (stat.isDirectory()) {
walkFolder(filePath, callback);
}
});
}
const isServiceWorkerPlugin = plugin => plugin instanceof swPrecachePlugin;
const removeEslint = config => {
config.module.rules = config.module.rules.filter(rule => {
// Filter the eslint loader based on its options
if (rule.use) {
return rule.use.every(use => {
if (!use.options) return true;
return !use.options.eslintPath;
});
}
return true;
});
};
// Make sure webpack transpiles files in the shared folder
const transpileShared = config => {
config.module.rules.forEach(rule => {
if (!rule.oneOf) return;
rule.oneOf.forEach(loader => {
if (!loader.include) return;
if (!loader.options) return;
// The loader config we're looking for is for JS files,
// so we look whether the config has a babelrc option
if (!Object.keys(loader.options).includes('babelrc')) return;
// Add the shared folder to the locations
// that should be transpiled
loader.include = [loader.include, path.resolve(__dirname, './shared')];
});
});
return config;
};
module.exports = function override(config, env) {
if (process.env.NODE_ENV === 'development') {
config.output.path = path.join(__dirname, './build');
}
config.plugins.push(
new ReactLoadablePlugin({
filename: './build/react-loadable.json',
})
);
if (process.env.NODE_ENV === 'production') {
removeEslint(config);
}
config = injectBabelPlugin('react-loadable/babel', config);
config = transpileShared(config);
config.plugins.push(
new webpack.optimize.CommonsChunkPlugin({
names: ['bootstrap'],
filename: './static/js/[name].js',
minChunks: Infinity,
})
);
// Filter the default serviceworker plugin, add offline plugin instead
config.plugins = config.plugins.filter(
plugin => !isServiceWorkerPlugin(plugin)
);
// Get all public files so they're cached by the SW
let externals = [];
walkFolder('./public/', file => {
// HOTFIX: Don't cache images
if (file.indexOf('img') > -1 && file.indexOf('homescreen-icon') === -1)
return;
externals.push(file.replace(/public/, ''));
});
config.plugins.push(
new OfflinePlugin({
// Don't cache anything in dev
caches: process.env.NODE_ENV === 'development' ? {} : 'all',
updateStrategy: 'all', // Update all files on update, seems safer than trying to only update changed files since we didn't write the webpack config
externals, // These files should be cached, but they're not emitted by webpack, so we gotta tell OfflinePlugin about 'em.
excludes: ['**/*.map'], // Don't cache any source maps, they're huge and unnecessary for clients
autoUpdate: true, // Automatically check for updates every hour
rewrites: arg => arg,
cacheMaps: [
{
match: url => {
// Don't return the cached index.html for API requests or /auth pages
if (url.pathname.indexOf('/api') === 0) return;
if (url.pathname.indexOf('/auth') === 0) return;
try {
return new URL('/index.html', url);
// TODO: Fix this properly instead of ignoring errors
} catch (err) {
return;
}
},
requestType: ['navigate'],
},
],
ServiceWorker: {
entry: './public/push-sw.js', // Add the push notification ServiceWorker
events: true, // Emit events from the ServiceWorker
prefetchRequest: {
credentials: 'include', // Include credentials when fetching files, just to make sure we don't get into any issues
},
},
AppCache: false, // Don't cache using AppCache, too buggy that thing
})
);
if (process.env.ANALYZE_BUNDLE === 'true') {
debug('Bundle analyzer enabled');
config.plugins.push(
new BundleAnalyzerPlugin({
analyzerMode: 'static',
openAnalyzer: false,
})
);
}
if (process.env.BUNDLE_BUDDY === 'true') {
config.plugins.push(new BundleBuddyWebpackPlugin());
}
if (process.env.NODE_ENV === 'development') {
config.plugins.push(
WriteFilePlugin({
// Don't match hot-update files
test: /^((?!(hot-update)).)*$/g,
})
);
}
config.plugins.push(
new webpack.optimize.CommonsChunkPlugin({
minChunks: 3,
name: 'main',
async: 'commons',
children: true,
})
);
if (process.env.NODE_ENV === 'production') {
config.plugins.push(
new webpack.DefinePlugin({
'process.env': {
SENTRY_DSN_CLIENT: `"${process.env.SENTRY_DSN_CLIENT}"`,
},
})
);
}
return rewireStyledComponents(config, env, { ssr: true });
};