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webpack.config.js
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webpack.config.js
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import webpack from 'webpack'
import StaticSiteGeneratorPlugin from 'static-site-generator-webpack-plugin'
import ExtractTextPlugin from 'extract-text-webpack-plugin'
import Config from 'webpack-configurator'
const debug = require('debug')('gatsby:webpack-config')
import path from 'path'
import _ from 'lodash'
import babelConfig from './babel-config'
let modifyWebpackConfig
try {
const gatsbyNodeConfig = path.resolve(process.cwd(), './gatsby-node')
const nodeConfig = require(gatsbyNodeConfig)
modifyWebpackConfig = nodeConfig.modifyWebpackConfig
} catch (e) {
if (e.code !== 'MODULE_NOT_FOUND' && !_.includes(e.Error, 'gatsby-node')) {
console.log(e)
}
}
// Four stages:
// 1) develop: for `gatsby develop` command, hot reload and CSS injection into page
// 2) build-css: build styles.css file
// 3) build-html: build all HTML files
// 4) build-javascript: Build bundle.js for Single Page App in production
module.exports = (program, directory, stage, webpackPort = 1500, routes = []) => {
debug(`Loading webpack config for stage "${stage}"`)
function output () {
switch (stage) {
case 'develop':
return {
path: directory,
filename: 'bundle.js',
publicPath: `http://${program.host}:${webpackPort}/`,
}
case 'build-css':
// Webpack will always generate a resultant javascript file.
// But we don't want it for this step. Deleted by build-css.js.
return {
path: `${directory}/public`,
filename: 'bundle-for-css.js',
}
case 'build-html':
// A temp file required by static-site-generator-plugin. See plugins() below.
// Deleted by build-html.js, since it's not needed for production.
return {
path: `${directory}/public`,
filename: 'render-page.js',
libraryTarget: 'umd',
}
case 'build-javascript':
return {
filename: 'bundle.js',
path: `${directory}/public`,
}
default:
throw new Error(`The state requested ${stage} doesn't exist.`)
}
}
function entry () {
switch (stage) {
case 'develop':
return [
require.resolve('webpack-hot-middleware/client'),
`${__dirname}/web-entry`,
]
case 'build-css':
return {
main: `${__dirname}/web-entry`,
}
case 'build-html':
return {
main: `${__dirname}/static-entry`,
}
case 'build-javascript':
return [
`${__dirname}/web-entry`,
]
default:
throw new Error(`The state requested ${stage} doesn't exist.`)
}
}
function plugins () {
switch (stage) {
case 'develop':
return [
new webpack.optimize.OccurenceOrderPlugin(),
new webpack.HotModuleReplacementPlugin(),
new webpack.NoErrorsPlugin(),
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: JSON.stringify(process.env.NODE_ENV ? process.env.NODE_ENV : 'development'),
},
__PREFIX_LINKS__: program.prefixLinks,
}),
]
case 'build-css':
return [
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: JSON.stringify(process.env.NODE_ENV ? process.env.NODE_ENV : 'production'),
},
__PREFIX_LINKS__: program.prefixLinks,
}),
new ExtractTextPlugin('styles.css'),
]
case 'build-html':
return [
new StaticSiteGeneratorPlugin('render-page.js', routes),
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: JSON.stringify(process.env.NODE_ENV ? process.env.NODE_ENV : 'production'),
},
__PREFIX_LINKS__: program.prefixLinks,
}),
]
case 'build-javascript':
return [
// Moment.js includes 100s of KBs of extra localization data
// by default in Webpack that most sites don't want.
// This line disables that.
new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: JSON.stringify(process.env.NODE_ENV ? process.env.NODE_ENV : 'production'),
},
__PREFIX_LINKS__: program.prefixLinks,
}),
new webpack.optimize.DedupePlugin(),
new webpack.optimize.UglifyJsPlugin(),
]
default:
throw new Error(`The state requested ${stage} doesn't exist.`)
}
}
function resolve () {
return {
extensions: [
'',
'.js',
'.jsx',
'.cjsx',
'.coffee',
'.json',
'.less',
'.css',
'.scss',
'.sass',
'.toml',
'.yaml',
],
root: [
directory,
path.resolve(__dirname, '..', 'isomorphic'),
],
}
}
function devtool () {
switch (stage) {
case 'develop':
return 'eval'
case 'build-html':
return false
case 'build-javascript':
return 'source-map'
default:
return false
}
}
function module (config) {
// common config for every env
config.loader('cjsx', {
test: /\.cjsx$/,
loaders: ['coffee', 'cjsx'],
})
config.loader('js', {
test: /\.jsx?$/, // Accept either .js or .jsx files.
exclude: /(node_modules|bower_components)/,
loader: 'babel',
query: babelConfig(program, stage),
})
config.loader('coffee', {
test: /\.coffee$/,
loader: 'coffee',
})
config.loader('md', {
test: /\.md$/,
loader: 'markdown',
})
config.loader('html', {
test: /\.html$/,
loader: 'html',
})
config.loader('json', {
test: /\.json$/,
loaders: ['json'],
})
// Match everything except config.toml
config.loader('toml', {
test: /^((?!config).)*\.toml$/,
loaders: ['toml'],
})
config.loader('yaml', {
test: /\.yaml/,
loaders: ['json', 'yaml'],
})
config.loader('png', {
test: /\.png$/,
loader: 'null',
})
config.loader('jpg', {
test: /\.jpg$/,
loader: 'null',
})
config.loader('gif', {
test: /\.gif$/,
loader: 'null',
})
config.loader('ico', {
test: /\.ico$/,
loader: 'null',
})
config.loader('pdf', {
test: /\.pdf$/,
loader: 'null',
})
config.loader('txt', {
test: /\.txt$/,
loader: 'null',
})
config.loader('config', {
test: /config\.toml/,
loader: 'config',
query: {
directory,
},
})
// Font loaders
config.loader('woff', {
test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
loader: 'url-loader?limit=10000&minetype=application/font-woff',
})
config.loader('ttf', {
test: /\.(ttf)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
loader: 'file-loader',
})
config.loader('eot', {
test: /\.(eot)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
loader: 'file-loader',
})
config.loader('svg', {
test: /\.(svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
loader: 'file-loader',
})
switch (stage) {
case 'develop':
config.loader('css', {
test: /\.css$/,
loaders: ['style', 'css', 'postcss'],
})
config.loader('less', {
test: /\.less/,
loaders: ['style', 'css', 'less'],
})
config.loader('sass', {
test: /\.(sass|scss)/,
loaders: ['style', 'css', 'sass'],
})
config.merge({
postcss: [
require('postcss-import')(),
require('postcss-cssnext')({ browsers: 'last 2 versions' }),
require('postcss-browser-reporter'),
require('postcss-reporter'),
],
})
return config
case 'build-css':
config.loader('css', {
test: /\.css$/,
loader: ExtractTextPlugin.extract(['css', 'postcss']),
})
config.loader('less', {
test: /\.less/,
loader: ExtractTextPlugin.extract(['css', 'less']),
})
config.loader('sass', {
test: /\.(sass|scss)/,
loader: ExtractTextPlugin.extract(['css', 'sass']),
})
config.merge({
postcss: [
require('postcss-import')(),
require('postcss-cssnext')({
browsers: 'last 2 versions',
}),
require('cssnano')({
autoprefixer: false,
}),
],
})
return config
case 'build-html':
// We don't deal with CSS at all when building the HTML.
// The 'null' loader is used to prevent 'module not found' errors.
config.loader('css', {
test: /\.css$/,
loader: 'null',
})
config.loader('less', {
test: /\.less/,
loader: 'null',
})
config.loader('sass', {
test: /\.(sass|scss)/,
loader: 'null',
})
return config
case 'build-javascript':
// We don't deal with CSS at all when building the javascript.
// The 'null' loader is used to prevent 'module not found' errors.
config.loader('css', {
test: /\.css$/,
loader: 'null',
})
config.loader('less', {
test: /\.less/,
loader: 'null',
})
config.loader('sass', {
test: /\.(sass|scss)/,
loader: 'null',
})
return config
default:
return config
}
}
const config = new Config()
config.merge({
context: `${directory}/pages`,
node: {
__filename: true,
},
entry: entry(),
debug: true,
devtool: devtool(),
output: output(),
resolveLoader: {
root: [
path.resolve(directory, 'loaders'),
path.resolve(__dirname, '..', 'loaders'),
],
modulesDirectories: [
'node_modules',
],
},
plugins: plugins(),
resolve: resolve(),
})
if (modifyWebpackConfig) {
return modifyWebpackConfig(module(config), stage)
} else {
return module(config)
}
}