const merge = require('webpack-merge');
const webpack = require('webpack');
const baseWebpackConfig = require('./webpack.base.conf');

const webpackConfig = merge(baseWebpackConfig, {
  //environment specific config goes here
  mode: 'development',
  output: {
    filename: '[name].js',
    chunkFilename: '[name].js'
  },
  devtool: 'inline-source-map',
  devServer: {
    contentBase: './dist',
    inline: true,//do not use iframe for the page, true is default
    open: true,//open browser after dev server starts
    port: 8080,//8080 is default
    proxy: {//proxy backend api
      '/api': 'http://localhost:3000'
    },
    hot: true
  },
  module: {
    rules: [
      /*
      {
        test: /\.(s*)css$/,
        use: [
          'vue-style-loader',
          {
            loader: 'css-loader',
            options: {
              sourceMap: true,
              modules: true,
              // localIdentName: '[name]-[local]-[hash:base64:5]'
            }
          },
          {
            loader: 'postcss-loader',
            options: {
              plugins: [require("autoprefixer")],
              sourceMap: true
            }
          },
          {
            loader: 'sass-loader',
            options: {
              sourceMap: true,
              // data: '@import "./src/styles/_variables.scss";'
            }
          }
        ]
      },
      {
        test: /\.less$/,
        use: [
          'vue-style-loader',
          {
            loader: 'css-loader',
            options: {
              sourceMap: true,
              // modules: true,
              // localIdentName: '[name]---[local]---[hash:base64:5]'
            }
          },
          {
            loader: 'postcss-loader',
            options: {
              plugins: [require("autoprefixer")],
              sourceMap: true
            }
          },
          {
            loader: 'less-loader',
            options: {
              sourceMap: true,
            }
          }
        ]
      }
      */
    ]
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin()
  ]

});

module.exports = webpackConfig;