webpack4-Atuo serve dist file

[hsipeng]

DevServer auto serve dist

• webpack --watch

• webpack-dev-server

var path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CleanWebpackPlugin = require("clean-webpack-plugin");

module.exports = {
  mode: "development",
  entry: {
    app: "./src/index.js",
    print: "./src/print.js"
  },
  devtool: "inline-source-map", // error inline track
  devServer: {// dev-server path config
    contentBase: "./dist"
  },
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "[name].bundle.js",
    publicPath: "/"
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"]
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: ["file-loader"]
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin(["dist"]),
    new HtmlWebpackPlugin({
      title: "Output Management"
    })
  ]
};

• webpack-dev-middleware

use express to server dist folder

const express = require("express");
const webpack = require("webpack");
const webpackDevMiddleware = require("webpack-dev-middleware");

const app = express();
const config = require("./webpack.config");
const compiler = webpack(config);

app.use(
  webpackDevMiddleware(compiler, {
    publicPath: config.output.publicPath
  })
);

app.listen(3000, function() {
  console.log("Example app listening on port 3000!\n");
});