var path = require('path')
var config = require('../config')
var utils = require('./utils')
var projectRoot = path.resolve(__dirname, '../')

var env = process.env.NODE_ENV
    // check env & config/index.js to decide weither to enable CSS Sourcemaps for the
    // various preprocessor loaders added to vue-loader at the end of this file
var cssSourceMapDev = (env === 'development' && config.dev.cssSourceMap)
var cssSourceMapProd = (env === 'production' && config.build.productionSourceMap)
var useCssSourceMap = cssSourceMapDev || cssSourceMapProd

module.exports = {
    entry: {
        app: './src/main.js'
    },
    output: {
        path: config.build.assetsRoot,
        publicPath: process.env.NODE_ENV === 'production' ? config.build.assetsPublicPath : config.dev.assetsPublicPath,
        filename: '[name].js'
    },
    resolve: {
        extensions: ['*', '.js', '.mjs', '.vue', '.less', '.css', '.scss'],
        alias: {
            'vue': '@vue/compat',
            'src': path.resolve(__dirname, '../src'),
            'assets': path.resolve(__dirname, '../src/assets'),
            'components': path.resolve(__dirname, '../src/components'),
            '@': path.resolve('src')
        }
    },
    module: {
        rules: [{
            test: /\.vue$/,
            include: projectRoot,
            use: {
                loader: 'vue-loader',
                options: {
                    compilerOptions: {
                        compatConfig: {
                          MODE: 2
                        }
                    },
                    postcss: [
                        require('autoprefixer')({})
                    ]
                }
            },
        }, {
            test: /\.js$/,
            include: projectRoot,
            exclude: /node_modules/,
            use: {
                loader: 'babel-loader',
                options: {
                  presets: ['@babel/preset-env']
                }
            }
        }, 
        {
            test: /\.mjs$/,
            include: /node_modules/,
            use: {
                loader: 'babel-loader',
                options: {
                  presets: ['@babel/preset-env']
                }
            }
        },
        {
            test: /\.json$/,
            use: 'json-loader'
        }, {
            test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
            use: {
                loader: 'url-loader',
                options: {
                    limit: 10000,
                    name: utils.assetsPath('img/[name].[ext]')
                }
            }
        }, {
            test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
            use: {
                loader: 'url-loader',
                options: {
                    limit: 5000,
                    name: utils.assetsPath('fonts/[name].[hash:7].[ext]'),
                    publicPath: '../../'
                }
            }
        }]
    }
}