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webpack.config.js
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webpack.config.js
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var path = require("path");
var webpack = require("webpack");
var CopyWebpackPlugin = require("copy-webpack-plugin");
module.exports = {
entry: [
"babel-polyfill",
"react-hot-loader/patch",
// activate HMR for React
"webpack-dev-server/client?http://localhost:3000",
// bundle the client for webpack-dev-server
// and connect to the provided endpoint
"webpack/hot/only-dev-server",
// bundle the client for hot reloading
// only- means to only hot reload for successful updates
"./src/ui/index.jsx"
// the entry point of our app
],
output: {
filename: "bundle.js",
// the output bundle
path: path.resolve(__dirname, "dist"),
publicPath: "/"
// necessary for HMR to know where to load the hot update chunks
},
devtool: "source-map",
resolve: {
extensions: [".js", ".jsx"]
},
module: {
rules: [
{
test: /\.jsx?$/,
use: ["babel-loader"],
exclude: /node_modules/
},
{
test: /\.css$/,
use: ["style-loader", "css-loader"]
}
]
},
plugins: [
new webpack.HotModuleReplacementPlugin(),
// enable HMR globally
new webpack.NamedModulesPlugin(),
// prints more readable module names in the browser console on HMR updates
new webpack.NoEmitOnErrorsPlugin(),
// do not emit compiled assets that include errors
new CopyWebpackPlugin([{ from: "src/site", to: "." }], {
// By default, we only copy modified files during
// a watch or webpack-dev-server build. Setting this
// to `true` copies all files.
copyUnmodified: true
})
],
devServer: {
host: "localhost",
port: 3000,
historyApiFallback: true,
// respond to 404s with index.html
hot: true
// enable HMR on the server
}
};