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future-architect / eslint-plugin-vue-scoped-css

ESLint plugin for Scoped CSS in Vue.js
https://future-architect.github.io/eslint-plugin-vue-scoped-css/
MIT License
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css eslint eslint-plugin npm npm-package scoped-css scss static-analysis stylus vue

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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.

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 Config (eslint.config.js)

Use eslint.config.js file to configure rules. See also: https://eslint.org/docs/latest/use/configure/configuration-files-new.

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 (.eslintrc)

Use .eslintrc.* file to configure rules. See also: https://eslint.org/docs/latest/use/configure/.

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 Config (eslint.config.js)

Legacy Config (.eslintrc)

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

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

License

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