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+'use strict'
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+const utils = require('./utils')
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+const webpack = require('webpack')
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+const config = require('../config')
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+const merge = require('webpack-merge')
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+const path = require('path')
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+const baseWebpackConfig = require('./webpack.base.conf')
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+const CopyWebpackPlugin = require('copy-webpack-plugin')
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+const HtmlWebpackPlugin = require('html-webpack-plugin')
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+const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
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+const portfinder = require('portfinder')
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+console.log(require('../config/private.env'));
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+const HOST = process.env.HOST
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+const PORT = process.env.PORT && Number(process.env.PORT)
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+console.log(process.env.NODE_ENV);
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+const devWebpackConfig = merge(baseWebpackConfig, {
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+ module: {
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+ rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
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+ },
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+ // cheap-module-eval-source-map is faster for development
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+ devtool: config.dev.devtool,
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+
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+ // these devServer options should be customized in /config/index.js
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+ devServer: {
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+ clientLogLevel: 'warning',
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+ historyApiFallback: {
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+ rewrites: [
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+ { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },
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+ ],
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+ },
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+ hot: true,
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+ contentBase: false, // since we use CopyWebpackPlugin.
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+ compress: true,
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+ host: HOST || config.dev.host,
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+ port: PORT || config.dev.port,
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+ open: config.dev.autoOpenBrowser,
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+ overlay: config.dev.errorOverlay
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+ ? { warnings: false, errors: true }
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+ : false,
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+ publicPath: config.dev.assetsPublicPath,
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+ proxy: config.dev.proxyTable,
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+ quiet: true, // necessary for FriendlyErrorsPlugin
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+ watchOptions: {
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+ poll: config.dev.poll,
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+ },
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+ disableHostCheck: true, // 开发环境使用true方便开发，生产环境使用false
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+ },
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+ plugins: [
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+ new webpack.DefinePlugin({
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+ 'process.env': require('../config/private.env')
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+ }),
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+ new webpack.HotModuleReplacementPlugin(),
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+ new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
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+ new webpack.NoEmitOnErrorsPlugin(),
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+ // https://github.com/ampedandwired/html-webpack-plugin
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+ new HtmlWebpackPlugin({
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+ filename: 'index.html',
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+ template: 'index.html',
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+ inject: true
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+ }),
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+ // copy custom static assets
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+ new CopyWebpackPlugin([
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+ {
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+ from: path.resolve(__dirname, '../static'),
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+ to: config.dev.assetsSubDirectory,
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+ ignore: ['.*']
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+ }
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+ ])
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+ ]
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+})
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+
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+module.exports = new Promise((resolve, reject) => {
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+ portfinder.basePort = process.env.PORT || config.dev.port
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+ portfinder.getPort((err, port) => {
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+ if (err) {
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+ reject(err)
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+ } else {
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+ // publish the new Port, necessary for e2e tests
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+ process.env.PORT = port
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+ // add port to devServer config
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+ devWebpackConfig.devServer.port = port
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+
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+ // Add FriendlyErrorsPlugin
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+ devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
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+ compilationSuccessInfo: {
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+ messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
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+ },
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+ onErrors: config.dev.notifyOnErrors
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+ ? utils.createNotifierCallback()
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+ : undefined
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+ }))
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+
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+ resolve(devWebpackConfig)
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+ }
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+ })
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+})
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wjj