From 359b2c18233cb48f7dae9433a877e5727fab3411 Mon Sep 17 00:00:00 2001
From: Milos Djermanovic <milos.djermanovic@gmail.com>
Date: Thu, 6 Jan 2022 13:26:41 +0100
Subject: [PATCH] feat: Support arbitrary module namespace names in the
 camelcase rule (#15490)

Refs #15465
---
 lib/rules/camelcase.js       |  8 ++++++-
 tests/lib/rules/camelcase.js | 44 ++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/lib/rules/camelcase.js b/lib/rules/camelcase.js
index 61dd062edea..6bb1838a72e 100644
--- a/lib/rules/camelcase.js
+++ b/lib/rules/camelcase.js
@@ -5,6 +5,12 @@
 
 "use strict";
 
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
 //------------------------------------------------------------------------------
 // Rule Definition
 //------------------------------------------------------------------------------
@@ -165,7 +171,7 @@ module.exports = {
                 case "ImportSpecifier":
                     return (
                         parent.local === node &&
-                        parent.imported.name === localName
+                        astUtils.getModuleExportName(parent.imported) === localName
                     );
 
                 default:
diff --git a/tests/lib/rules/camelcase.js b/tests/lib/rules/camelcase.js
index 514eb85d2ef..3a47a1b4b2d 100644
--- a/tests/lib/rules/camelcase.js
+++ b/tests/lib/rules/camelcase.js
@@ -164,11 +164,32 @@ ruleTester.run("camelcase", rule, {
             options: [{ ignoreImports: true }],
             parserOptions: { ecmaVersion: 6, sourceType: "module" }
         },
+        {
+            code: "import { snake_cased as snake_cased } from 'mod'",
+            options: [{ ignoreImports: true }],
+            parserOptions: { ecmaVersion: 2022, sourceType: "module" }
+        },
+        {
+            code: "import { 'snake_cased' as snake_cased } from 'mod'",
+            options: [{ ignoreImports: true }],
+            parserOptions: { ecmaVersion: 2022, sourceType: "module" }
+        },
         {
             code: "import { camelCased } from 'mod'",
             options: [{ ignoreImports: false }],
             parserOptions: { ecmaVersion: 6, sourceType: "module" }
         },
+
+        // this rule doesn't apply to quoted module export names, as it doesn't apply to quoted property names.
+        {
+            code: "export { a as 'snake_cased' } from 'mod'",
+            parserOptions: { ecmaVersion: 2022, sourceType: "module" }
+        },
+        {
+            code: "export * as 'snake_cased' from 'mod'",
+            parserOptions: { ecmaVersion: 2022, sourceType: "module" }
+        },
+
         {
             code: "var _camelCased = aGlobalVariable",
             options: [{ ignoreGlobals: false }],
@@ -668,6 +689,29 @@ ruleTester.run("camelcase", rule, {
                 }
             ]
         },
+        {
+            code: "import { 'snake_cased' as snake_cased } from 'mod'",
+            parserOptions: { ecmaVersion: 2022, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "snake_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { 'snake_cased' as another_snake_cased } from 'mod'",
+            options: [{ ignoreImports: true }],
+            parserOptions: { ecmaVersion: 2022, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "another_snake_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
         {
             code: "import { camelCased, no_camelcased } from \"external-module\";",
             parserOptions: { ecmaVersion: 6, sourceType: "module" },