const path = require('path');
const fs = require('fs');
module.exports = {
    // 构件生产模式时是否生成source map（仅在process.env.NODE_ENV === 'production' 时该选项生效）
    productionSourceMap: false,

    // 开启eslint格式化代码
    lintOnSave: true,

    configureWebpack: config => {
        // 你可以在这里粗放的修改webpack的配置并返回
        console.log('configureWebpack执行了');
        return config;
    },
    chainWebpack: chainConfig => {
        // 你可以在这里通过 https://github.com/neutrinojs/webpack-chain 来精细的修改webpack配置
        // console.log('chainWebpack执行了', chainConfig.toString())

        chainConfig.plugin('copy-webpack-plugin').tap(args => {
            args[0].push({
                context: path.resolve('src'),
                from: path.resolve('project.config.json'),
                to: path.resolve(`dist-${process.env.PLATFORM}/project.config.json`)
            });
            args[0].push({
                context: path.resolve('src'),
                from: path.resolve('src/native/vant'),
                to: path.resolve(`dist-${process.env.PLATFORM}/vant`)
            });
            return args;
        });

        chainConfig.module
            .rule('less')
            .test(/\.less$/)
            .use('style-resources-loader')
            .loader('style-resources-loader')
            .options({
                patterns: [
                    path.resolve(__dirname, './src/styles/common.less'),
                    path.resolve(__dirname, './src/styles/fonts.less')
                ]
            })
            .end();
    },
    // 原生小程序组件存放目录，默认为src/native
    // 如果你有多个平台的原生组件，你应当在此目录下再新建几个子文件夹，我们约定，子文件夹名和平台的名字一致:
    // 微信小程序组件则命名为 'wechat'，支付宝为'alipay', 百度为 'swan'
    // 如果只有一个平台，则无需再新建子文件夹
    nativeDir: '/src/native',

    css: {
        loaderOptions: {
            css: {
                // https://github.com/webpack-contrib/css-loader#options
            },
            less: {
                // https://github.com/webpack-contrib/less-loader
            },
            sass: {
                // https://github.com/webpack-contrib/sass-loader
            },
            stylus: {
                // https://github.com/shama/stylus-loader
            },
            // https://github.com/megalojs/megalo-px2rpx-loader
            px2rpx: {
                rpxUnit: 0.5
            }
        }
    }
};