Changed the category of html-quotes to strongly-recommended. (#695)

Author: ota-meshi

docs/rules/README.md

@@ -85,6 +85,7 @@ Enforce all the rules in this category, as well as all higher priority rules, wi
 | [vue/html-closing-bracket-spacing](./html-closing-bracket-spacing.md) | require or disallow a space before tag's closing brackets | :wrench: |
 | [vue/html-end-tags](./html-end-tags.md) | enforce end tag style | :wrench: |
 | [vue/html-indent](./html-indent.md) | enforce consistent indentation in `<template>` | :wrench: |
+| [vue/html-quotes](./html-quotes.md) | enforce quotes style of HTML attributes | :wrench: |
 | [vue/html-self-closing](./html-self-closing.md) | enforce self-closing style | :wrench: |
 | [vue/max-attributes-per-line](./max-attributes-per-line.md) | enforce the maximum number of attributes per line | :wrench: |
 | [vue/multiline-html-element-content-newline](./multiline-html-element-content-newline.md) | require a line break before and after the contents of a multiline element | :wrench: |
@@ -113,7 +114,6 @@ Enforce all the rules in this category, as well as all higher priority rules, wi
 | Rule ID | Description |    |
 |:--------|:------------|:---|
 | [vue/attributes-order](./attributes-order.md) | enforce order of attributes | :wrench: |
-| [vue/html-quotes](./html-quotes.md) | enforce quotes style of HTML attributes | :wrench: |
 | [vue/no-v-html](./no-v-html.md) | disallow use of v-html to prevent XSS attack |  |
 | [vue/order-in-components](./order-in-components.md) | enforce order of properties in components | :wrench: |
 | [vue/this-in-template](./this-in-template.md) | disallow usage of `this` in template |  |

docs/rules/html-quotes.md

@@ -7,7 +7,7 @@ description: enforce quotes style of HTML attributes
 # vue/html-quotes
 > enforce quotes style of HTML attributes
 
-- :gear: This rule is included in `"plugin:vue/recommended"`.
+- :gear: This rule is included in `"plugin:vue/strongly-recommended"` and `"plugin:vue/recommended"`.
 - :wrench: The `--fix` option on the [command line](https://eslint.org/docs/user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.
 
 You can choose quotes of HTML attributes from:
@@ -63,6 +63,10 @@ Default is set to `double`.
 ```
 </eslint-code-block>
 
+## Related links
+
+- [Style guide - Quoted attribute values](https://vuejs.org/v2/style-guide/#Quoted-attribute-values-strongly-recommended)
+
 ## :mag: Implementation
 
 - [Rule source](https://github.com/vuejs/eslint-plugin-vue/blob/master/lib/rules/html-quotes.js)

lib/configs/recommended.js

@@ -7,7 +7,6 @@ module.exports = {
   extends: require.resolve('./strongly-recommended'),
   rules: {
     'vue/attributes-order': 'warn',
-    'vue/html-quotes': 'warn',
     'vue/no-v-html': 'warn',
     'vue/order-in-components': 'warn',
     'vue/this-in-template': 'warn'

lib/configs/strongly-recommended.js

@@ -12,6 +12,7 @@ module.exports = {
     'vue/html-closing-bracket-spacing': 'warn',
     'vue/html-end-tags': 'warn',
     'vue/html-indent': 'warn',
+    'vue/html-quotes': 'warn',
     'vue/html-self-closing': 'warn',
     'vue/max-attributes-per-line': 'warn',
     'vue/multiline-html-element-content-newline': 'warn',

lib/rules/html-quotes.js

@@ -20,7 +20,7 @@ module.exports = {
     type: 'layout',
     docs: {
       description: 'enforce quotes style of HTML attributes',
-      category: 'recommended',
+      category: 'strongly-recommended',
       url: 'https://github.com/vuejs/eslint-plugin-vue/blob/v5.0.0-beta.5/docs/rules/html-quotes.md'
     },
     fixable: 'code',