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webpack.config.js
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webpack.config.js
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const path = require('path')
const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
module.exports = (env) => {
const isBuild = env.WEBPACK_BUILD
const isDev = env.WEBPACK_SERVE
return {
mode: isBuild ? 'production' : 'development',
entry: isBuild ? './src' : './example',
output: {
path: path.resolve(__dirname, !isDev ? 'dist' : 'build'),
filename: 'index.js',
libraryTarget: 'umd',
},
devServer: {
static: [path.join(__dirname, 'build')],
hot: true,
open: true,
},
devtool: isDev && 'inline-source-map',
externals: isBuild
? {
react: {
root: 'React',
commonjs2: 'react',
commonjs: 'react',
amd: 'react',
umd: 'react',
},
}
: {},
module: {
rules: [
{
test: /\.js$/,
exclude: path.join(__dirname, '/node_modules/'),
loader: 'babel-loader',
},
],
},
plugins: [
!isBuild &&
new HtmlWebpackPlugin({
template: 'example/index.html',
}),
isDev && new webpack.HotModuleReplacementPlugin(),
].filter(Boolean),
}
}