From b86722a921aeefcd616944907a2af070075b8200 Mon Sep 17 00:00:00 2001
From: Masafumi Koba <473530+ybiquitous@users.noreply.github.com>
Date: Wed, 7 Oct 2020 09:11:18 +0900
Subject: [PATCH] feat(import): use core rule instead of plugin rule

The `eslint-plugin-import` document says:

> If the core ESLint version is good enough (...), keep it and don't use this.

Note that `@typescript-eslint/no-duplicate-imports` also is present now.
---
 rules/core/es6.js       | 2 +-
 rules/plugins/import.js | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/rules/core/es6.js b/rules/core/es6.js
index df43de0c..db0e4c07 100644
--- a/rules/core/es6.js
+++ b/rules/core/es6.js
@@ -12,7 +12,7 @@ module.exports = {
     "no-class-assign": "error",
     "no-const-assign": "error",
     "no-dupe-class-members": "error",
-    "no-duplicate-imports": "off", // => `import/no-duplicates`
+    "no-duplicate-imports": "error",
     "no-new-symbol": "error",
     "no-restricted-exports": "off",
     "no-restricted-imports": "off",
diff --git a/rules/plugins/import.js b/rules/plugins/import.js
index 93e8b935..b39d2eef 100644
--- a/rules/plugins/import.js
+++ b/rules/plugins/import.js
@@ -24,6 +24,7 @@ module.exports = {
     "import/no-cycle": "error",
     "import/no-default-export": "off",
     "import/no-deprecated": "error",
+    "import/no-duplicates": "off", // use core rule `no-duplicate-imports`
     "import/no-dynamic-require": "warn",
     "import/no-extraneous-dependencies": [
       "error",