webpack.config.dist.js

var webpack = require("webpack");
var path = require("path");

module.exports = {
  entry: "./src/index",

  output: {
    library: "Slider",
    libraryTarget: "umd",
    path: path.join(__dirname, "dist")
  },

  module: {
    loaders: [
      { test: /\.jsx$/, loaders: ["babel"] },
      { test: /\.js$/, loaders: ["babel"], exclude: /node_modules/ }
    ]
  },

  resolve: {
    extensions: ["", ".js", ".jsx"]
  },

  externals: [
    {
      react: {
        root: "React",
        commonjs2: "react",
        commonjs: "react",
        amd: "react"
      },
      "react-dom": {
        root: "ReactDOM",
        commonjs2: "react-dom",
        commonjs: "react-dom",
        amd: "react-dom"
      }
    }
  ],

  node: {
    Buffer: false
  },

  plugins: [
    new webpack.DefinePlugin({
      "process.env.NODE_ENV": JSON.stringify(process.env.NODE_ENV)
    })
  ]
};