Add no-duplicate-import-type-import to eslint-config-adeira

src/eslint-config-adeira/CHANGELOG.md

@@ -1,5 +1,6 @@
 # Unreleased
 
+- Add new rule `adeira/no-duplicate-import-type-import`;
 
 # 0.4.0
 

src/eslint-config-adeira/__tests__/__snapshots__/index.test.js.snap

@@ -32,6 +32,7 @@ Object {
         "setWithoutGet": true,
       },
     ],
+    "adeira/no-duplicate-import-type-import": 1,
     "adeira/no-internal-flow-type": 1,
     "adeira/no-invalid-flow-annotations": 2,
     "adeira/only-nullable-fields": 2,
@@ -897,7 +898,9 @@ Snapshot Diff:
 
 @@ --- --- @@
       ],
+-     "adeira/no-duplicate-import-type-import": 1,
 -     "adeira/no-internal-flow-type": 1,
++     "adeira/no-duplicate-import-type-import": 2,
 +     "adeira/no-internal-flow-type": 2,
       "adeira/no-invalid-flow-annotations": 2,
 @@ --- --- @@

src/eslint-config-adeira/ourRules.js

@@ -638,4 +638,5 @@ module.exports = {
   'adeira/relay-import-no-values': ERROR,
   'adeira/relay-import-type-must-exist': ERROR,
   'adeira/valid-test-folder': NEXT_VERSION_ERROR, // TODO: ERROR
+  'adeira/no-duplicate-import-type-import': NEXT_VERSION_ERROR,
 };

src/eslint-plugin-adeira/README.md

@@ -134,3 +134,33 @@ Using `isValidTestPathRegex` setting
 
 You can configure this rule to match your settings by passing `isValidTestPathRegex`;
 - [ERROR, {isValidTestPathRegex: '__specs__'}] will match `/src/__specs__/my_feature.test.js`
+
+
+## no-duplicate-import-type-import
+
+This rule reports error for duplicated import-type-import. It does not report duplicated import, since that is covered by `imports/no-duplicate`.
+
+- When to use this rule: When you don't want imports like: 
+```js 
+import React from 'react';
+import type { Node } from 'react';
+```
+
+- When not to use this rule. When you think the import as above is ok. 
+
+Example of **incorrect** imports:
+
+```js
+import React from 'react';
+import type { Node } from 'react'; // Duplicate react
+import { graphql, type Environment } from '@adeira/relay';
+import type { RelayRefetchProps } from '@adeira/relay'; // duplicate adeira
+
+```
+
+Example of **correct** filename:
+
+```js
+import React, { type Node } from 'react';
+import { graphql, type Environment, type RelayRefetchProps } from '@adeira/relay';
+```