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next.js/server/build/webpack.js
Naoyuki Kanezawa e775721f34 Hot reload error page (#190)
* add detach-plugin

* detach-plugin: remove unused property

* watch-pages-plugin: replace _error.js when user defined one was added/removed

* dynamic-entry-plugin: delete cache

* fix HMR settings for _error.js

* render: pass error only on dev

* hot-reload: enable to hot-reload error page

* server: check if /_error has compilation errors

* webapck-dev-client: fix reloading /_error
2016-11-04 00:12:37 +09:00

160 lines
4.5 KiB
JavaScript

import { resolve, join } from 'path'
import webpack from 'webpack'
import glob from 'glob-promise'
import WriteFilePlugin from 'write-file-webpack-plugin'
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'
export default async function createCompiler (dir, { hotReload = false } = {}) {
dir = resolve(dir)
const pages = await glob('pages/**/*.js', { cwd: dir })
const entry = {}
const defaultEntries = hotReload ? ['webpack/hot/dev-server'] : []
for (const p of pages) {
entry[join('bundles', p)] = defaultEntries.concat(['./' + p])
}
const nextPagesDir = join(__dirname, '..', '..', 'pages')
const errorEntry = join('bundles', 'pages', '_error.js')
const defaultErrorPath = join(nextPagesDir, '_error.js')
if (!entry[errorEntry]) {
entry[errorEntry] = defaultEntries.concat([defaultErrorPath])
}
const errorDebugEntry = join('bundles', 'pages', '_error-debug.js')
const errorDebugPath = join(nextPagesDir, '_error-debug.js')
entry[errorDebugEntry] = errorDebugPath
const nodeModulesDir = join(__dirname, '..', '..', '..', 'node_modules')
const plugins = [
new webpack.DefinePlugin({
'process.env.NODE_ENV': JSON.stringify('production')
}),
new WriteFilePlugin({
exitOnErrors: false,
log: false,
// required not to cache removed files
useHashIndex: false
})
].concat(hotReload ? [
new webpack.HotModuleReplacementPlugin(),
new DetachPlugin(),
new DynamicEntryPlugin(),
new UnlinkFilePlugin(),
new WatchRemoveEventPlugin(),
new WatchPagesPlugin(dir)
] : [
new webpack.optimize.UglifyJsPlugin({
compress: { warnings: false },
sourceMap: false
})
])
const babelRuntimePath = require.resolve('babel-runtime/package')
.replace(/[\\\/]package\.json$/, '')
const loaders = [{
test: /\.js$/,
loader: 'emit-file-loader',
include: [dir, nextPagesDir],
exclude (str) {
return /node_modules/.test(str) && str.indexOf(nextPagesDir) !== 0
},
query: {
name: 'dist/[path][name].[ext]'
}
}]
.concat(hotReload ? [{
test: /\.js$/,
loader: 'hot-self-accept-loader',
include: [
join(dir, 'pages'),
nextPagesDir
]
}] : [])
.concat([{
test: /\.js$/,
loader: 'babel',
include: [dir, nextPagesDir],
exclude (str) {
return /node_modules/.test(str) && str.indexOf(nextPagesDir) !== 0
},
query: {
presets: ['es2015', 'react'],
plugins: [
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'),
[
require.resolve('babel-plugin-module-resolver'),
{
alias: {
'babel-runtime': babelRuntimePath,
react: require.resolve('react'),
'next/link': require.resolve('../../lib/link'),
'next/css': require.resolve('../../lib/css'),
'next/head': require.resolve('../../lib/head')
}
}
]
]
}
}])
const interpolateNames = new Map([
[defaultErrorPath, 'dist/pages/_error.js'],
[errorDebugPath, 'dist/pages/_error-debug.js']
])
return webpack({
context: dir,
entry,
output: {
path: join(dir, '.next'),
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,
join(dir, 'node_modules')
]
},
resolveLoader: {
root: [
nodeModulesDir,
join(__dirname, 'loaders')
]
},
plugins,
module: {
preLoaders: [
{ test: /\.json$/, loader: 'json-loader' }
],
loaders
},
customInterpolateName: function (url, name, opts) {
return interpolateNames.get(this.resourcePath) || url
}
})
}