fix: backports import-js/eslint-plugin-import#2952

Author: SukkaW

.changeset/chilled-pandas-tickle.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-import-x": patch
+---
+
+Fix `newline-after-import`'s `considerComments` options when linting `require`, backports https://github.com/import-js/eslint-plugin-import/pull/2952

src/rules/newline-after-import.ts

@@ -177,6 +177,7 @@ export = createRule<[Options?], MessageId>({
     function commentAfterImport(
       node: TSESTree.Node,
       nextComment: TSESTree.Comment,
+      type: 'import' | 'require',
     ) {
       const lineDifference = getLineDifference(node, nextComment)
       const EXPECTED_LINE_DIFFERENCE = options.count + 1
@@ -197,7 +198,7 @@ export = createRule<[Options?], MessageId>({
           data: {
             count: options.count,
             lineSuffix: options.count > 1 ? 's' : '',
-            type: 'import',
+            type,
           },
           fix:
             options.exactCount && EXPECTED_LINE_DIFFERENCE < lineDifference
@@ -253,7 +254,7 @@ export = createRule<[Options?], MessageId>({
       }
 
       if (nextComment) {
-        commentAfterImport(node, nextComment)
+        commentAfterImport(node, nextComment, 'import')
       } else if (
         nextNode &&
         nextNode.type !== 'ImportDeclaration' &&
@@ -301,7 +302,33 @@ export = createRule<[Options?], MessageId>({
             (!nextRequireCall ||
               !containsNodeOrEqual(nextStatement, nextRequireCall))
           ) {
-            checkForNewLine(statementWithRequireCall, nextStatement, 'require')
+            let nextComment
+            if (
+              'comments' in statementWithRequireCall.parent &&
+              statementWithRequireCall.parent.comments !== undefined &&
+              options.considerComments
+            ) {
+              const endLine = node.loc.end.line
+              nextComment = statementWithRequireCall.parent.comments.find(
+                o =>
+                  o.loc.start.line >= endLine &&
+                  o.loc.start.line <= endLine + options.count + 1,
+              )
+            }
+
+            if (nextComment && nextComment !== undefined) {
+              commentAfterImport(
+                statementWithRequireCall,
+                nextComment,
+                'require',
+              )
+            } else {
+              checkForNewLine(
+                statementWithRequireCall,
+                nextStatement,
+                'require',
+              )
+            }
           }
         }
       },

test/rules/newline-after-import.spec.ts

@@ -260,7 +260,7 @@ ruleTester.run('newline-after-import', rule, {
       options: [{ count: 4, exactCount: true }],
     },
     {
-      code: `var foo = require('foo-module');\n\n\n\n// Some random comment\nvar foo = 'bar';`,
+      code: `var foo = require('foo-module');\n\n\n\n\n// Some random comment\nvar foo = 'bar';`,
       languageOptions: {
         parserOptions: { ecmaVersion: 2015, sourceType: 'module' },
       },
@@ -479,6 +479,21 @@ ruleTester.run('newline-after-import', rule, {
         parserOptions: { ecmaVersion: 2015, sourceType: 'module' },
       },
     },
+    {
+      code: `var foo = require('foo-module');\n\n\n// Some random comment\nvar foo = 'bar';`,
+      options: [{ count: 2, considerComments: true }],
+    },
+    {
+      code: `var foo = require('foo-module');\n\n\n/**\n * Test comment\n */\nvar foo = 'bar';`,
+      options: [{ count: 2, considerComments: true }],
+    },
+    {
+      code: `const foo = require('foo');\n\n\n// some random comment\nconst bar = function() {};`,
+      options: [{ count: 2, exactCount: true, considerComments: true }],
+      languageOptions: {
+        parserOptions: { ecmaVersion: 2015 },
+      },
+    },
   ],
 
   invalid: [
@@ -1054,17 +1069,39 @@ ruleTester.run('newline-after-import', rule, {
       },
     },
     {
-      code: `const foo = require('foo');\n\n\n// some random comment\nconst bar = function() {};`,
-      output: null,
-      options: [{ count: 2, exactCount: true, considerComments: true }],
+      code: `var foo = require('foo-module');\nvar foo = require('foo-module');\n\n// Some random comment\nvar foo = 'bar';`,
+      output: `var foo = require('foo-module');\nvar foo = require('foo-module');\n\n\n// Some random comment\nvar foo = 'bar';`,
+      errors: [
+        {
+          line: 2,
+          column: 1,
+          messageId: `newline`,
+        },
+      ],
+      languageOptions: {
+        parserOptions: {
+          ecmaVersion: 2015,
+          sourceType: 'module',
+        },
+      },
+      options: [{ considerComments: true, count: 2 }],
+    },
+    {
+      code: `var foo = require('foo-module');\n\n/**\n * Test comment\n */\nvar foo = 'bar';`,
+      output: `var foo = require('foo-module');\n\n\n/**\n * Test comment\n */\nvar foo = 'bar';`,
       errors: [
         {
           line: 1,
           column: 1,
-          ...getRequireError(2),
+          messageId: `newline`,
         },
       ],
-      languageOptions: { parserOptions: { ecmaVersion: 2015 } },
+      languageOptions: {
+        parserOptions: {
+          ecmaVersion: 2015,
+        },
+      },
+      options: [{ considerComments: true, count: 2 }],
     },
   ],
 })