const autoprefixer = require("autoprefixer");
const pxtorem = require("postcss-pxtorem");
const path = require('path');
const themePath = path.resolve(__dirname,'src/assets/style/theme.less');

var ip = '127.0.0.1'
// var os = require('os'), ip = '', ifaces = os.networkInterfaces() // 获取本机ip
// for (var i in ifaces) {
//     for (var j in ifaces[i]) {
//         var val = ifaces[i][j]
//         if (val.family === 'IPv4' && val.address !== '127.0.0.1') {
//             ip = val.address
//         }
//     }
// }

module.exports = {
    // 关闭eslint检查
    lintOnSave: false,
    
    // 配置css前缀,px转rem
    css: {
        loaderOptions: {
            less: {
                modifyVars: {
                    hack: `true; @import "${themePath}";`
                }
            },
            postcss: {
                plugins: [
                    autoprefixer(),
                    pxtorem({
                        rootValue: 37.5,
                        propList: ["*"]
                    })
                ]
            }
        }
    },

    configureWebpack: {
        externals: {
            axios: "axios" // 配置使用CDN
        }
    },

    devServer: {
        open: true, //是否自动弹出浏览器页面
        port: '10087',
        https: false,
        hotOnly: false, 
        // 代理
        proxy: {
            // 只要请求地址有'api'都会匹配上
            "/api": {
                target: "http://"+ip+":10010",
                ws: true,
                // 允许跨域
                changeOrigin: true,
                pathRewrite: {
                    "^/api": "" //通过pathRewrite重写地址，将前缀/api转为/
                }
            }
        }
    }
};