var path = require('path');
var utils = require('./utils');
var config = require('../config');
var vueLoaderConfig = require('./vue-loader.conf');

function resolve(dir) {
    return path.join(__dirname, '..', dir)
}

var src = path.resolve(__dirname, '../src');
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||sit' && config.build.productionSourceMap)
var useCssSourceMap = cssSourceMapDev || cssSourceMapProd

module.exports = {
    entry: {
        app: './src/main.js'
    },
    output: {
        path: config.build.assetsRoot,
        filename: '[name].js',
        publicPath: process.env.NODE_ENV === 'production||sit' ? config.build.assetsPublicPath : config.dev.assetsPublicPath
    },
    resolve: {
        extensions: ['.js', '.vue', '.json'],
        alias: {
            'vue$': 'vue/dist/vue.esm.js',
            '@': resolve('src'),
            'src': path.resolve(__dirname, '../src'),
            'assets': path.resolve(__dirname, '../src/assets'),
            'components': path.resolve(__dirname, '../src/components'),
            'views': path.resolve(__dirname, '../src/views'),
            'styles': path.resolve(__dirname, '../src/styles'),
            'api': path.resolve(__dirname, '../src/api'),
            'utils': path.resolve(__dirname, '../src/utils'),
            'store': path.resolve(__dirname, '../src/store'),
            'router': path.resolve(__dirname, '../src/router'),
            'mock': path.resolve(__dirname, '../src/mock'),
            'vendor': path.resolve(__dirname, '../src/vendor'),
            'static': path.resolve(__dirname, '../static')
        }
    },
    externals: {
        jquery: 'jQuery'
    },
    module: {
        rules: [
            // {
            //     test: /\.(js|vue)$/,
            //     loader: 'eslint-loader',
            //     enforce: "pre",
            //     include: [resolve('src'), resolve('test')],
            //     options: {
            //         formatter: require('eslint-friendly-formatter')
            //     }
            // },
            { test: /\.vue$/,
                loader: 'vue-loader',
                options: vueLoaderConfig
            },
            {
                test: /\.js$/,
                loader: 'babel-loader?cacheDirectory',
                include: [resolve('src'), resolve('test')]
            },
            {
                test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
                loader: 'url-loader',
                query: {
                    limit: 10000,
                    name: utils.assetsPath('img/[name].[hash:7].[ext]')
                }
            },
            {
                test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
                loader: 'url-loader',
                query: {
                    limit: 10000,
                    name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
                }
            }
        ]
    },
    //注入全局mixin
    // sassResources: path.join(__dirname, '../src/styles/mixin.scss'),
    // sassLoader: {
    //     data:  path.join(__dirname, '../src/styles/index.scss')
    // },
}