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next.js/server/build/webpack.js

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import { resolve, join } from 'path'
import { createHash } from 'crypto'
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import webpack from 'webpack'
import glob from 'glob-promise'
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import WriteFilePlugin from 'write-file-webpack-plugin'
import FriendlyErrorsWebpackPlugin from 'friendly-errors-webpack-plugin'
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import UnlinkFilePlugin from './plugins/unlink-file-plugin'
import WatchPagesPlugin from './plugins/watch-pages-plugin'
import WatchRemoveEventPlugin from './plugins/watch-remove-event-plugin'
import DynamicEntryPlugin from './plugins/dynamic-entry-plugin'
import DetachPlugin from './plugins/detach-plugin'
import getConfig from '../config'
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export default async function createCompiler (dir, { dev = false } = {}) {
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dir = resolve(dir)
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const pages = await glob('pages/**/*.js', {
cwd: dir,
ignore: 'pages/_document.js'
})
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const entry = {
'main.js': dev ? require.resolve('../../client/next-dev') : require.resolve('../../client/next')
}
const defaultEntries = dev
? [join(__dirname, '..', '..', 'client/webpack-hot-middleware-client')] : []
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for (const p of pages) {
entry[join('bundles', p)] = defaultEntries.concat([`./${p}?entry`])
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}
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const nextPagesDir = join(__dirname, '..', '..', 'pages')
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const errorEntry = join('bundles', 'pages', '_error.js')
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const defaultErrorPath = join(nextPagesDir, '_error.js')
if (!entry[errorEntry]) {
entry[errorEntry] = defaultEntries.concat([defaultErrorPath + '?entry'])
}
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const errorDebugEntry = join('bundles', 'pages', '_error-debug.js')
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const errorDebugPath = join(nextPagesDir, '_error-debug.js')
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entry[errorDebugEntry] = errorDebugPath
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const nodeModulesDir = join(__dirname, '..', '..', '..', 'node_modules')
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const plugins = [
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new WriteFilePlugin({
exitOnErrors: false,
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log: false,
// required not to cache removed files
useHashIndex: false
}),
new webpack.optimize.CommonsChunkPlugin({
name: 'commons',
filename: 'commons.js',
minChunks: Math.max(2, pages.length)
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})
]
if (dev) {
plugins.push(
new webpack.optimize.OccurrenceOrderPlugin(),
new webpack.HotModuleReplacementPlugin(),
new webpack.NoErrorsPlugin(),
new DetachPlugin(),
new DynamicEntryPlugin(),
new UnlinkFilePlugin(),
new WatchRemoveEventPlugin(),
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new WatchPagesPlugin(dir),
new FriendlyErrorsWebpackPlugin()
)
} else {
plugins.push(
new webpack.DefinePlugin({
'process.env.NODE_ENV': JSON.stringify('production')
}),
new webpack.optimize.UglifyJsPlugin({
compress: { warnings: false },
sourceMap: false
})
)
}
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const babelRuntimePath = require.resolve('babel-runtime/package')
.replace(/[\\/]package\.json$/, '')
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const loaders = (dev ? [{
test: /\.js(\?[^?]*)?$/,
loader: 'hot-self-accept-loader',
include: [
join(dir, 'pages'),
nextPagesDir
]
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}, {
test: /\.js(\?[^?]*)?$/,
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loader: 'react-hot-loader/webpack',
exclude: /node_modules/
}] : [])
.concat([{
test: /\.json$/,
loader: 'json-loader'
}, {
test: /\.(js|json)(\?[^?]*)?$/,
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loader: 'emit-file-loader',
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include: [dir, nextPagesDir],
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exclude (str) {
return /node_modules/.test(str) && str.indexOf(nextPagesDir) !== 0
},
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query: {
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name: 'dist/[path][name].[ext]'
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}
}, {
loader: 'babel',
include: nextPagesDir,
query: {
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babelrc: false,
sourceMaps: dev ? 'both' : false,
plugins: [
[
require.resolve('babel-plugin-module-resolver'),
{
alias: {
'ansi-html': require.resolve('ansi-html')
}
}
]
]
}
}, {
test: /\.js(\?[^?]*)?$/,
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loader: 'babel',
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include: [dir, nextPagesDir],
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exclude (str) {
return /node_modules/.test(str) && str.indexOf(nextPagesDir) !== 0
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},
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query: {
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babelrc: false,
sourceMaps: dev ? 'both' : false,
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presets: ['es2015', 'react'],
plugins: [
require.resolve('babel-plugin-react-require'),
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require.resolve('babel-plugin-transform-async-to-generator'),
require.resolve('babel-plugin-transform-object-rest-spread'),
require.resolve('babel-plugin-transform-class-properties'),
require.resolve('babel-plugin-transform-runtime'),
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[
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require.resolve('babel-plugin-module-resolver'),
{
alias: {
'babel-runtime': babelRuntimePath,
react: require.resolve('react'),
'react-dom': require.resolve('react-dom'),
'next/link': require.resolve('../../lib/link'),
'next/prefetch': require.resolve('../../lib/prefetch'),
'next/css': require.resolve('../../lib/css'),
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'next/head': require.resolve('../../lib/head'),
'next/document': require.resolve('../../server/document')
}
}
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]
]
}
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}])
const interpolateNames = new Map([
[defaultErrorPath, 'dist/pages/_error.js'],
[errorDebugPath, 'dist/pages/_error-debug.js']
])
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let webpackConfig = {
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context: dir,
entry,
output: {
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path: join(dir, '.next'),
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filename: '[name]',
libraryTarget: 'commonjs2',
publicPath: dev ? '/_webpack/' : null,
devtoolModuleFilenameTemplate ({ resourcePath }) {
const hash = createHash('sha1')
hash.update(Date.now() + '')
const id = hash.digest('hex').slice(0, 7)
// append hash id for cache busting
return `webpack:///${resourcePath}?${id}`
}
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},
resolve: {
root: [
nodeModulesDir,
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join(dir, 'node_modules')
].concat(
(process.env.NODE_PATH || '')
.split(process.platform === 'win32' ? ';' : ':')
)
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},
resolveLoader: {
root: [
nodeModulesDir,
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join(__dirname, 'loaders')
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]
},
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plugins,
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module: {
loaders
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},
devtool: dev ? 'inline-source-map' : false,
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customInterpolateName: function (url, name, opts) {
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return interpolateNames.get(this.resourcePath) || url
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}
}
const config = getConfig(dir)
if (config.webpack) {
console.log('> Using Webpack config function defined in next.config.js.')
webpackConfig = await config.webpack(webpackConfig, { dev })
}
return webpack(webpackConfig)
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}