Add new option to specify tags to ignore vue/no-deprecated-slot-attribute (#2314)

Co-authored-by: Flo Edelmann <git@flo-edelmann.de>

Author: kazuma0129

docs/rules/no-deprecated-slot-attribute.md

@@ -37,6 +37,49 @@ This rule reports deprecated `slot` attribute in Vue.js v2.6.0+.
 
 </eslint-code-block>
 
+## :wrench: Options
+
+```json
+{
+  "vue/no-deprecated-slot-attribute": ["error", {
+    "ignore": ["my-component"]
+  }]
+}
+```
+
+- `"ignore"` (`string[]`) An array of tags that ignore this rules. This option will check both kebab-case and PascalCase versions of the given tag names. Default is empty.
+
+### `"ignore": ["my-component"]`
+
+<eslint-code-block :rules="{'vue/no-dupe-keys': ['error', {ignore: ['my-component']}]}">
+
+```vue
+<template>
+  <ListComponent>
+    <!-- ✓ GOOD -->
+    <template v-slot:name>
+      {{ props.title }}
+    </template>
+  </ListComponent>
+
+  <ListComponent>
+    <!-- ✓ GOOD -->
+    <my-component slot="name">
+      {{ props.title }}
+    </my-component>
+  </ListComponent>
+
+    <ListComponent>
+    <!-- ✗ BAD -->
+    <other-component slot="name">
+      {{ props.title }}
+    </other-component>
+  </ListComponent>
+</template>
+```
+
+</eslint-code-block>
+
 ## :books: Further Reading
 
 - [API - slot](https://v2.vuejs.org/v2/api/#slot-deprecated)

lib/rules/no-deprecated-slot-attribute.js

@@ -16,7 +16,19 @@ module.exports = {
       url: 'https://eslint.vuejs.org/rules/no-deprecated-slot-attribute.html'
     },
     fixable: 'code',
-    schema: [],
+    schema: [
+      {
+        type: 'object',
+        properties: {
+          ignore: {
+            type: 'array',
+            items: { type: 'string' },
+            uniqueItems: true
+          }
+        },
+        additionalProperties: false
+      }
+    ],
     messages: {
       forbiddenSlotAttribute: '`slot` attributes are deprecated.'
     }

lib/rules/syntaxes/slot-attribute.js

@@ -5,12 +5,17 @@
 'use strict'
 
 const canConvertToVSlot = require('./utils/can-convert-to-v-slot')
+const casing = require('../../utils/casing')
 
 module.exports = {
   deprecated: '2.6.0',
   supported: '<3.0.0',
   /** @param {RuleContext} context @returns {TemplateListener} */
   createTemplateBodyVisitor(context) {
+    const options = context.options[0] || {}
+    /** @type {Set<string>} */
+    const ignore = new Set(options.ignore)
+
     const sourceCode = context.getSourceCode()
     const tokenStore =
       context.parserServices.getTemplateBodyTokenStore &&
@@ -95,6 +100,15 @@ module.exports = {
      * @returns {void}
      */
     function reportSlot(slotAttr) {
+      const componentName = slotAttr.parent.parent.rawName
+      if (
+        ignore.has(componentName) ||
+        ignore.has(casing.pascalCase(componentName)) ||
+        ignore.has(casing.kebabCase(componentName))
+      ) {
+        return
+      }
+
       context.report({
         node: slotAttr.key,
         messageId: 'forbiddenSlotAttribute',

tests/lib/rules/no-deprecated-slot-attribute.js

@@ -46,7 +46,19 @@ tester.run('no-deprecated-slot-attribute', rule, {
       <LinkList>
         <a />
       </LinkList>
-    </template>`
+    </template>`,
+    {
+      code: `<template>
+      <LinkList>
+        <one slot="one" />
+        <two slot="two" />
+        <my-component slot="my-component-slot" />
+        <myComponent slot="myComponent-slot" />
+        <MyComponent slot="MyComponent-slot" />
+      </LinkList>
+    </template>`,
+      options: [{ ignore: ['one', 'two', 'my-component'] }]
+    }
   ],
   invalid: [
     {
@@ -594,6 +606,26 @@ tester.run('no-deprecated-slot-attribute', rule, {
         '`slot` attributes are deprecated.',
         '`slot` attributes are deprecated.'
       ]
+    },
+    {
+      code: `
+      <template>
+        <my-component>
+          <one slot="one">
+            A
+          </one>
+          <two slot="two">
+            B
+          </two>
+        </my-component>
+      </template>`,
+      output: null,
+      options: [
+        {
+          ignore: ['one']
+        }
+      ],
+      errors: ['`slot` attributes are deprecated.']
     }
   ]
 })