(chore) Flag duplicate imports (#1206)

* (chore) Flag duplicate imports

This PR adds the [ESLint import plugin](https://github.com/import-js/eslint-plugin-import) and configures it to flag duplicate imports.

* Fixup

.eslintrc

@@ -5,8 +5,9 @@
   },
   "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
   "parser": "@typescript-eslint/parser",
-  "plugins": ["@typescript-eslint", "react-hooks"],
+  "plugins": ["@typescript-eslint", "import", "react-hooks"],
   "rules": {
+    "import/no-duplicates": "error",
     "react-hooks/rules-of-hooks": "error",
     // Disabling these rules for now just to keep the diff small. I'll enable them in a future PR that fixes lint issues.
     "@typescript-eslint/ban-ts-comment": "off",

package.json

@@ -44,6 +44,7 @@
     "cross-env": "7.0.3",
     "dotenv": "^16.0.3",
     "eslint": "^8.55.0",
+    "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-react-hooks": "^4.6.2",
     "fake-indexeddb": "^4.0.2",
     "fork-ts-checker-webpack-plugin": "^7.2.13",

packages/apps/esm-login-app/src/change-location-link/change-location-link.extension.tsx

@@ -1,9 +1,8 @@
 import React from 'react';
 import { useTranslation } from 'react-i18next';
+import { Button, SwitcherItem } from '@carbon/react';
 import { LocationIcon, navigate, useSession } from '@openmrs/esm-framework';
-import { Button } from '@carbon/react';
 import styles from './change-location-link.scss';
-import { SwitcherItem } from '@carbon/react';
 
 const ChangeLocationLink: React.FC = () => {
   const { t } = useTranslation();

packages/apps/esm-offline-tools-app/src/offline-actions/offline-actions-mode-button.extension.tsx

@@ -1,10 +1,9 @@
 import React from 'react';
 import { useTranslation } from 'react-i18next';
-import { Toggle } from '@carbon/react';
+import { SwitcherItem, Toggle } from '@carbon/react';
 import { Network_3 } from '@carbon/react/icons';
 import { getCurrentOfflineMode, setCurrentOfflineMode } from '@openmrs/esm-framework/src/internal';
 import styles from './offline-actions-mode-button.scss';
-import { SwitcherItem } from '@carbon/react';
 
 function doNotCloseMenu(ev: React.SyntheticEvent) {
   ev.stopPropagation();