[New] no-named-as-default: support arbitrary module namespace names

tests/src/rules/no-named-as-default.js

@@ -1,4 +1,4 @@
-import { test, SYNTAX_CASES } from '../utils';
+import { test, testVersion, SYNTAX_CASES } from '../utils';
 import { RuleTester } from 'eslint';
 
 const ruleTester = new RuleTester();
@@ -21,6 +21,12 @@ ruleTester.run('no-named-as-default', rule, {
     test({ code: 'export default from "./bar";',
       parser: require.resolve('babel-eslint') }),
 
+    // es2022: Arbitrary module namespae identifier names
+    testVersion('>= 8.7', () => ({
+      code: 'import bar, { foo } from "./export-default-string-and-named"',
+      parserOptions: { ecmaVersion: 2022 },
+    })),
+
     ...SYNTAX_CASES,
   ],
 
@@ -57,5 +63,23 @@ ruleTester.run('no-named-as-default', rule, {
         type: 'Literal',
       }],
     }),
+
+    // es2022: Arbitrary module namespae identifier names
+    testVersion('>= 8.7', () => ({
+      code: 'import foo from "./export-default-string-and-named"',
+      errors: [{
+        message: 'Using exported name \'foo\' as identifier for default export.',
+        type: 'ImportDefaultSpecifier',
+      }],
+      parserOptions: { ecmaVersion: 2022 },
+    })),
+    testVersion('>= 8.7', () => ({
+      code: 'import foo, { foo as bar } from "./export-default-string-and-named"',
+      errors: [{
+        message: 'Using exported name \'foo\' as identifier for default export.',
+        type: 'ImportDefaultSpecifier',
+      }],
+      parserOptions: { ecmaVersion: 2022 },
+    })),
   ],
 });