eslint-plugin-vue-scoped-css

ESLint plugin for Scoped CSS in Vue.js

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eslint-plugin-vue-scoped-css
eslint-plugin-vue-scoped-css is ESLint plugin for Scoped CSS in Vue.js.
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Features

This ESLint plugin provides linting rules relate to better ways to help you avoid problems when using Scoped CSS in Vue.js.
  • Provides linting rules for Scoped CSS.
  • Supports CSS syntax including level 4 selectors.
  • Supports <style lang="scss">.
  • Supports <style lang="stylus">.
  • Parses <style>, <template> and <script> blocks.

You can check on the Online DEMO.

Documentation

See documents.

Installation

npm install --save-dev eslint eslint-plugin-vue-scoped-css vue-eslint-parser

Requirements
  • ESLint v6.0.0 and above
  • Node.js v12.22.x, v14.17.x, v16.x and above

Usage

New (ESLint>=v9) Config (Flat Config)

Use eslint.config.js file to configure rules. See also: .
Example eslint.config.js:
import eslintPluginVueScopedCSS from 'eslint-plugin-vue-scoped-css';
export default [
  // add more generic rule sets here, such as:
  // js.configs.recommended,
  ...eslintPluginVueScopedCSS.configs['flat/recommended'],
  {
    rules: {
      // override/add rules settings here, such as:
      // 'vue-scoped-css/no-unused-selector': 'error'
    }
  }
];

Legacy Config (ESLintUse .eslintrc.* file to configure rules. See also: .
Example .eslintrc.js:
module.exports = {
  extends: [
    // add more generic rulesets here, such as:
    // 'eslint:recommended',
    'plugin:vue-scoped-css/vue3-recommended'
  ],
  rules: {
    // override/add rules settings here, such as:
    // 'vue-scoped-css/no-unused-selector': 'error'
  }
}

Configs

This plugin provides some predefined configs:

New (ESLint>=v9) Config (Flat Config)

  • *.configs['flat/base'] - Settings and rules to enable this plugin
  • *.configs['flat/recommended'] - /base, plus rules for better ways to help you avoid problems for Vue.js 3.x
  • *.configs['flat/vue2-recommended'] - /base, plus rules for better ways to help you avoid problems for Vue.js 2.x
  • *.configs['flat/all'] - All rules of this plugin are included

Legacy Config (ESLint
  • plugin:vue-scoped-css/base - Settings and rules to enable this plugin
  • plugin:vue-scoped-css/recommended - /base, plus rules for better ways to help you avoid problems for Vue.js 2.x
  • plugin:vue-scoped-css/vue3-recommended - /base, plus rules for better ways to help you avoid problems for Vue.js 3.x
  • plugin:vue-scoped-css/all - All rules of this plugin are included

Rules


The --fix option on the command line automatically fixes problems reported by rules which have a wrench :wrench: below.

Recommended for Vue.js 3.x

Enforce all the rules in this category with:
export default [
  ...eslintPluginVueScopedCSS.configs['flat/recommended'],
]

or
{
  "extends": ["plugin:vue-scoped-css/vue3-recommended"]
}

| Rule ID | Description | | |:--------|:------------|:---| | vue-scoped-css/enforce-style-type | enforce the <style> tags to be plain or have the scoped or module attribute | | | vue-scoped-css/no-deprecated-deep-combinator | disallow using deprecated deep combinators | :wrench: | | vue-scoped-css/no-parent-of-v-global | disallow parent selector for ::v-global pseudo-element | | | vue-scoped-css/no-parsing-error | disallow parsing errors in <style> | | | vue-scoped-css/no-unused-keyframes | disallow @keyframes which don't use in Scoped CSS | | | vue-scoped-css/no-unused-selector | disallow selectors defined in Scoped CSS that don't use in <template> | | | vue-scoped-css/require-v-deep-argument | require selector argument to be passed to ::v-deep() | :wrench: | | vue-scoped-css/require-v-global-argument | require selector argument to be passed to ::v-global() | | | vue-scoped-css/require-v-slotted-argument | require selector argument to be passed to ::v-slotted() | |

Recommended for Vue.js 2.x

Enforce all the rules in this category with:
export default [
  ...eslintPluginVueScopedCSS.configs['flat/vue2-recommended'],
]

or
{
  "extends": ["plugin:vue-scoped-css/recommended"]
}

| Rule ID | Description | | |:--------|:------------|:---| | vue-scoped-css/enforce-style-type | enforce the <style> tags to be plain or have the scoped or module attribute | | | vue-scoped-css/no-parsing-error | disallow parsing errors in <style> | | | vue-scoped-css/no-unused-keyframes | disallow @keyframes which don't use in Scoped CSS | | | vue-scoped-css/no-unused-selector | disallow selectors defined in Scoped CSS that don't use in <template> | |

Uncategorized

No preset enables the rules in this category. Please enable each rule if you want.
For example:
{
  "rules": {
    "vue-scoped-css/no-deprecated-v-enter-v-leave-class": "error"
  }
}

| Rule ID | Description | | |:--------|:------------|:---| | vue-scoped-css/no-deprecated-v-enter-v-leave-class | disallow v-enter and v-leave classes. | | | vue-scoped-css/require-selector-used-inside | disallow selectors defined that is not used inside <template> | | | vue-scoped-css/v-deep-pseudo-style | enforce :deep()/::v-deep() style | :wrench: | | vue-scoped-css/v-global-pseudo-style | enforce :global()/::v-global() style | :wrench: | | vue-scoped-css/v-slotted-pseudo-style | enforce :slotted()/::v-slotted() style | :wrench: |

Deprecated

  • :warning: We're going to remove deprecated rules in the next major release. Please migrate to successor/new rules.
  • :innocent: We don't fix bugs which are in deprecated rules since we don't have enough resources.

| Rule ID | Replaced by | |:--------|:------------| | vue-scoped-css/require-scoped | vue-scoped-css/enforce-style-type |

Contributing

Welcome contributing!
Please use GitHub's Issues/PRs.

Development Tools

  • npm test runs tests and measures coverage.
    npm run update runs in order to update readme and recommended configuration.

License

See the LICENSE file for license rights and limitations (MIT).