UI2/build/webpack.dev.conf.js

'use strict'
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const path = require('path')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
const portfinder = require('portfinder')

const HOST = process.env.HOST
const PORT = process.env.PORT && Number(process.env.PORT)

let configPlugin = [
    new webpack.DefinePlugin({
        'process.env': require('../config/dev.env'),
        'GLOBAL_DATE': new Date().getMonth() + 1 + '.' + new Date().getDate()
    }),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
    new webpack.NoEmitOnErrorsPlugin(),
    // copy custom static assets
    new CopyWebpackPlugin([{
        from: path.resolve(__dirname, '../static'),
        to: config.dev.assetsSubDirectory,
        ignore: ['.*']
    }]),
    new webpack.ProvidePlugin({
        eBase: [path.resolve(__dirname, '..', 'src/base/eBase.js'),'default']
    })
];

configPlugin.push(...utils.getDevHtmlPlugins());

const devWebpackConfig = merge(baseWebpackConfig, {
    module: {
        rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
    },
    // cheap-module-eval-source-map is faster for development
    devtool: config.dev.devtool,

    // these devServer options should be customized in /config/index.js
    devServer: {
        clientLogLevel: 'warning',
        historyApiFallback: {
            rewrites: [
                { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },
            ],
        },
        hot: true,
        contentBase: false, // since we use CopyWebpackPlugin.
        compress: true,
        host: HOST || config.dev.host,
        port: PORT || config.dev.port,
        open: config.dev.autoOpenBrowser,
        overlay: config.dev.errorOverlay ? { warnings: false, errors: true } : false,
        publicPath: config.dev.assetsPublicPath,
        proxy: config.dev.proxyTable,
        quiet: true, // necessary for FriendlyErrorsPlugin
        watchOptions: {
            poll: config.dev.poll,
        }
    },
    plugins: configPlugin
})

module.exports = new Promise((resolve, reject) => {
    portfinder.basePort = process.env.PORT || config.dev.port
    portfinder.getPort((err, port) => {
        if (err) {
            reject(err)
        } else {
            // publish the new Port, necessary for e2e tests
            process.env.PORT = port
                // add port to devServer config
            devWebpackConfig.devServer.port = port

            // Add FriendlyErrorsPlugin
            devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
                compilationSuccessInfo: {
                    messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
                },
                onErrors: config.dev.notifyOnErrors ?
                    utils.createNotifierCallback() : undefined
            }))

            resolve(devWebpackConfig)
        }
    })
})