vue.config.js webpack配置 px2rem-loader自适应处理

    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config.module
    .rule('scss')
    .oneOf('vue')
    .use('px2rem-loader')
    .loader('px2rem-loader')
    .before('postcss-loader') // this makes it work.
    .options({ remUnit: 36, remPrecision: 8 })
    .end()