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next.js/server/build/webpack.js

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import { resolve, join } from 'path'
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import webpack from 'webpack'
import glob from 'glob-promise'
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import WriteFilePlugin from 'write-file-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'
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export default async function createCompiler (dir, { hotReload = false } = {}) {
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dir = resolve(dir)
const pages = await glob('pages/**/*.js', { cwd: dir })
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const entry = {}
const defaultEntries = hotReload ? ['webpack/hot/only-dev-server'] : []
for (const p of pages) {
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entry[join('bundles', p)] = defaultEntries.concat(['./' + p])
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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')
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if (!entry[errorEntry]) entry[errorEntry] = defaultErrorPath
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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
})
].concat(hotReload ? [
new webpack.HotModuleReplacementPlugin(),
new DynamicEntryPlugin(),
new UnlinkFilePlugin(),
new WatchRemoveEventPlugin(),
new WatchPagesPlugin(dir)
] : [
new webpack.optimize.UglifyJsPlugin({
compress: { warnings: false },
sourceMap: false
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})
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])
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const babelRuntimePath = require.resolve('babel-runtime/package')
.replace(/[\\\/]package\.json$/, '')
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const loaders = [{
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test: /\.js$/,
loader: 'emit-file-loader',
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include: [dir, nextPagesDir],
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exclude: /node_modules/,
query: {
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name: 'dist/[path][name].[ext]'
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}
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}]
.concat(hotReload ? [{
test: /\.js$/,
loader: 'hot-self-accept-loader',
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include: join(dir, 'pages')
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}] : [])
.concat([{
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test: /\.js$/,
loader: 'babel',
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include: [dir, nextPagesDir],
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exclude: /node_modules/,
query: {
presets: ['es2015', 'react'],
plugins: [
'transform-async-to-generator',
'transform-object-rest-spread',
'transform-class-properties',
'transform-runtime',
[
'module-alias',
[
{ src: `npm:${babelRuntimePath}`, expose: 'babel-runtime' },
{ src: `npm:${require.resolve('react')}`, expose: 'react' },
{ src: `npm:${require.resolve('../../lib/link')}`, expose: 'next/link' },
{ src: `npm:${require.resolve('../../lib/css')}`, expose: 'next/css' },
{ src: `npm:${require.resolve('../../lib/head')}`, expose: 'next/head' }
]
]
]
}
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}])
const interpolateNames = new Map([
[defaultErrorPath, 'dist/pages/_error.js'],
[errorDebugPath, 'dist/pages/_error-debug.js']
])
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return webpack({
context: dir,
entry,
output: {
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path: join(dir, '.next'),
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filename: '[name]',
libraryTarget: 'commonjs2',
publicPath: hotReload ? 'http://localhost:3030/' : null
},
externals: [
'react',
'react-dom',
{
[require.resolve('react')]: 'react',
[require.resolve('../../lib/link')]: 'next/link',
[require.resolve('../../lib/css')]: 'next/css',
[require.resolve('../../lib/head')]: 'next/head'
}
],
resolve: {
root: [
nodeModulesDir,
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join(dir, 'node_modules')
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]
},
resolveLoader: {
root: [
nodeModulesDir,
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join(__dirname, 'loaders')
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]
},
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plugins,
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module: {
preLoaders: [
{ test: /\.json$/, loader: 'json-loader' }
],
loaders
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},
customInterpolateName: function (url, name, opts) {
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return interpolateNames.get(this.resourcePath) || url
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}
})
}