/
webpack.config.js
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/
webpack.config.js
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const webpack = require('webpack')
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const merge = require('webpack-merge')
const parts = require('./webpack/parts')
const PATHS = {
app: path.join(__dirname, 'app'),
build: path.join(__dirname, 'build')
}
const TARGET = process.env.npm_lifecycle_event
process.env.BABEL_ENV = TARGET
const babel = {
module: {
loaders: [
{
test: /\.jsx?$/,
// Enable caching for improved performance during development
// It uses default OS directory by default.
// If you need something more custom, pass a path to it.
// I.e., babel?cacheDirectory=<path>
loaders: ['babel-loader?cacheDirectory'],
// Parse only app files! Without this it will go through the entire project.
// In addition to being slow, that will most likely result in an error.
include: PATHS.app
},
{
test: /\.png$/,
loader: 'url-loader',
options: {
limit: 25000
}
}
]
}
}
const common = {
// Entry accepts a path or an object of entries.
// We'll be using the latter form given it's convenient with more complex configurations.
entry: ['babel-polyfill', PATHS.app],
output: {
path: PATHS.build,
filename: '[name].js',
publicPath: '/'
},
plugins: [
new HtmlWebpackPlugin({
template: 'app/index.html',
favicon: 'app/favicon.ico'
}),
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: JSON.stringify(process.env.NODE_ENV)
}
}),
new webpack.NoEmitOnErrorsPlugin()
],
// Important! Do not remove ''. If you do, imports without an extension won't work anymore!
resolve: {
extensions: ['.js', '.jsx']
}
}
let config
// Detect how npm is run and branch based on that
switch (process.env.npm_lifecycle_event) {
case 'build':
config = merge(
common,
babel,
{
devtool: 'source-map'
},
parts.setupCSS(PATHS.app)
)
break
default:
config = merge(
common,
babel,
{
devtool: 'eval-source-map'
},
parts.setupCSS(PATHS.app),
parts.devServer({
// Customize host/port here if needed
host: process.env.HOST,
port: process.env.PORT
})
)
}
module.exports = config