[Refactor] importType: combine redundant isScoped and `isScopedMo…

…dule`

CHANGELOG.md

@@ -12,6 +12,7 @@ This change log adheres to standards from [Keep a CHANGELOG](http://keepachangel
 ### Changed
 - [Docs] [`order`]: add type to the default groups ([#2272], [@charpeni])
 - [readme] Add note to TypeScript docs to install appropriate resolver ([#2279], [@johnthagen])
+- [Refactor] `importType`: combine redundant `isScoped` and `isScopedModule` ([@ljharb])
 
 ## [2.25.2] - 2021-10-12
 

src/core/importType.js

@@ -101,10 +101,6 @@ function typeTest(name, context, path) {
   return 'unknown';
 }
 
-export function isScopedModule(name) {
-  return name.indexOf('@') === 0 && !name.startsWith('@/');
-}
-
 export default function resolveImportType(name, context) {
   return typeTest(name, context, resolve(name, context));
 }

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, isScoped } from '../core/importType';
 import moduleVisitor from 'eslint-module-utils/moduleVisitor';
 import docsUrl from '../docsUrl';
 
@@ -131,7 +131,7 @@ module.exports = {
       const slashCount = file.split('/').length - 1;
 
       if (slashCount === 0)  return true;
-      if (isScopedModule(file) && slashCount <= 1) return true;
+      if (isScoped(file) && slashCount <= 1) return true;
       return false;
     }
 
@@ -161,7 +161,7 @@ module.exports = {
         importPath,
         context.settings,
         resolve(importPath, context),
-        context
+        context,
       ) || isScoped(importPath);
 
       if (!extension || !importPath.endsWith(`.${extension}`)) {

tests/src/core/importType.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai';
 import * as path from 'path';
 
-import importType, { isExternalModule, isScopedModule, isScoped } from 'core/importType';
+import importType, { isExternalModule, isScoped } from 'core/importType';
 
 import { testContext, testFilePath } from '../utils';
 
@@ -239,13 +239,6 @@ describe('importType(name)', function () {
     }, 'E:\\path\\to\\node_modules\\foo', context)).to.equal(true);
   });
 
-  it('correctly identifies scoped modules with `isScopedModule`', () => {
-    expect(isScopedModule('@/abc')).to.equal(false);
-    expect(isScopedModule('@/abc/def')).to.equal(false);
-    expect(isScopedModule('@a/abc')).to.equal(true);
-    expect(isScopedModule('@a/abc/def')).to.equal(true);
-  });
-
   it('correctly identifies scoped modules with `isScoped`', () => {
     expect(isScoped('@/abc')).to.equal(false);
     expect(isScoped('@/abc/def')).to.equal(false);