const CopyWebpackPlugin = require("copy-webpack-plugin");
const path = require("path");
const pxtovw = require('postcss-px-to-viewport');
// const px2rem = require("postcss-px2rem");
// 配置基本大小
// const postcss = px2rem({
//   // 基准大小 baseSize，需要和rem.js中相同
//   remUnit: 16,
// });
module.exports = {
  publicPath: "/",
  configureWebpack: {
    plugins: [
      new CopyWebpackPlugin([
        {
          from: "node_modules/@liveqing/liveplayer/dist/component/crossdomain.xml",
        },
        {
          from: "node_modules/@liveqing/liveplayer/dist/component/liveplayer.swf",
        },
        {
          from: "node_modules/@liveqing/liveplayer/dist/component/liveplayer-lib.min.js",
          to: "js/",
        },
      ]),
    ],
    resolve: {
      alias: {
        "@": path.join(__dirname, "src"),
      },
    },
  },
  lintOnSave: true,
  css: {
    loaderOptions: {
      sass: {
        //给sass-loader传递选项
      },
      css: {
        //给css-loader传递选项
      },
      postcss: {
        //给postcss-loader传递选项
        plugins: [
          new pxtovw({
            unitToConvert: "px", //需要转换的单位，默认为"px"；
            viewportWidth: 1920, //设计稿的视口宽度
            unitPrecision: 5, //单位转换后保留的小数位数
            propList: ["*"], //要进行转换的属性列表,*表示匹配所有,!表示不转换
            viewportUnit: "vw", //转换后的视口单位
            fontViewportUnit: "vw", //转换后字体使用的视口单位
            selectorBlackList: [], //不进行转换的css选择器，继续使用原有单位
            minPixelValue: 1, //设置最小的转换数值
            mediaQuery: false, //设置媒体查询里的单位是否需要转换单位
            replace: true, //是否直接更换属性值，而不添加备用属性
            exclude: [/node_modules/], //忽略某些文件夹下的文件
          }),
        ],
      },
    },
  },
};