fix: fixes #1851

Author: wenfangdu

src/rules/extensions.js

@@ -1,7 +1,7 @@
 import path from 'path'
 
 import resolve from 'eslint-module-utils/resolve'
-import { isBuiltIn, isExternalModule, isScoped, isScopedModule } from '../core/importType'
+import { isBuiltIn, isExternalModule, isScopedModule } from '../core/importType'
 import docsUrl from '../docsUrl'
 
 const enumValues = { enum: [ 'always', 'ignorePackages', 'never' ] }
@@ -159,7 +159,7 @@ module.exports = {
 
       // determine if this is a module
       const isPackage = isExternalModule(importPath, context.settings)
-        || isScoped(importPath)
+        || isScopedModule(importPath)
 
       if (!extension || !importPath.endsWith(`.${extension}`)) {
         const extensionRequired = isUseOfExtensionRequired(extension, isPackage)

tests/src/rules/extensions.js

@@ -358,6 +358,7 @@ ruleTester.run('extensions', rule, {
         import Component from './Component'
         import baz from 'foo/baz'
         import baw from '@scoped/baw/import'
+        import bav from '@/scoped/bav/import'
         import express from 'express'
       `,
       options: [ 'ignorePackages' ],
@@ -367,6 +368,11 @@ ruleTester.run('extensions', rule, {
           line: 4,
           column: 31,
         },
+        {
+          message: 'Missing file extension for "@/scoped/bav/import"',
+          line: 7,
+          column: 25,
+        },
       ],
     }),