preload scss has been added hash

[shlroland]

Version

4.5.9

Environment info

  System:
    OS: Windows 10 10.0.18363
    CPU: (12) x64 Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz  
  Binaries:
    Node: 14.6.0 - C:\Program Files\nodejs\node.EXE        
    Yarn: 1.22.5 - C:\Program Files (x86)\Yarn\bin\yarn.CMD
    npm: 6.14.6 - C:\Program Files\nodejs\npm.CMD
  Browsers:
    Chrome: 87.0.4280.141
    Edge: Spartan (44.18362.449.0)
  npmPackages:
    @ant-design/icons-vue:  5.1.9
    @vue/babel-helper-vue-jsx-merge-props:  1.2.1
    @vue/babel-helper-vue-transform-on:  1.0.0
    @vue/babel-plugin-jsx:  1.0.1
    @vue/babel-plugin-transform-vue-jsx:  1.2.1
    @vue/babel-preset-app:  4.5.10
    @vue/babel-preset-jsx:  1.2.4
    @vue/babel-sugar-composition-api-inject-h:  1.2.1
    @vue/babel-sugar-composition-api-render-instance:  1.2.4
    @vue/babel-sugar-functional-vue:  1.2.2
    @vue/babel-sugar-inject-h:  1.2.2
    @vue/babel-sugar-v-model:  1.2.3
    @vue/babel-sugar-v-on:  1.2.3
    @vue/cli-overlay:  4.5.10
    @vue/cli-plugin-babel: ~4.5.9 => 4.5.10
    @vue/cli-plugin-eslint: ~4.5.9 => 4.5.10
    @vue/cli-plugin-router: ~4.5.9 => 4.5.10
    @vue/cli-plugin-typescript: ~4.5.9 => 4.5.10
    @vue/cli-plugin-vuex: ~4.5.9 => 4.5.10
    @vue/cli-service: ~4.5.9 => 4.5.10
    @vue/cli-shared-utils:  4.5.10
    @vue/compiler-core:  3.0.5
    @vue/compiler-dom:  3.0.5
    @vue/compiler-sfc: ^3.0.5 => 3.0.5
    @vue/compiler-ssr:  3.0.5
    @vue/component-compiler-utils:  3.2.0
    @vue/eslint-config-standard: ^5.1.2 => 5.1.2
    @vue/eslint-config-typescript: ^5.0.2 => 5.1.0
    @vue/preload-webpack-plugin:  1.1.2
    @vue/reactivity:  3.0.5
    @vue/runtime-core:  3.0.5
    @vue/runtime-dom:  3.0.5
    @vue/shared:  3.0.5
    @vue/web-component-wrapper:  1.2.0
    @vuedx/vue-virtual-textdocument:  0.4.1
    ant-design-vue: ^2.0.0-rc.7 => 2.0.0-rc.8
    eslint-plugin-vue: ^7.4.1 => 7.4.1
    typescript: ^4.1.3 => 4.1.3
    vue: ^3.0.5 => 3.0.5
    vue-eslint-parser:  7.3.0
    vue-hot-reload-api:  2.3.4
    vue-loader:  15.9.6 (16.1.2)
    vue-router: ^4.0.2 => 4.0.3
    vue-style-loader:  4.1.2
    vue-template-es2015-compiler:  1.9.1
    vue-types: ^3.0.1 => 3.0.1
    vuex: ^4.0.0-rc.2 => 4.0.0-rc.2
    vuex-module-decorators: ^1.0.1 => 1.0.1
  npmGlobalPackages:
    @vue/cli: Not Found

Steps to reproduce

css: {
    loaderOptions: {
      scss: {
        additionalData: `@import "~@/style/index.scss";`,
      },
    },
  },

i have set this config in vue.config.js,but some global class have been added hash after the selector

What is expected?

no hash

What is actually happening?

have hash

[haoqunjiang]

Thanks for submitting this issue! Due to our limited time, we ask you to include a reproduction link to a minimal full reproduction of your problem (for example in a GitHub repository) so we can find what is causing the issue. Thank you for your understanding!