[Fix] newline-after-import: respect decorator annotations

Fixes #1784.

CHANGELOG.md

@@ -25,6 +25,7 @@ This change log adheres to standards from [Keep a CHANGELOG](http://keepachangel
 - [`extensions`]/[`no-cycle`]/[`no-extraneous-dependencies`]: Correct module real path resolution ([#1696], thanks [@paztis])
 - [`no-named-default`]: ignore Flow import type and typeof ([#1983], thanks [@christianvuerings])
 - [`no-extraneous-dependencies`]: Exclude flow `typeof` imports ([#1534], thanks [@devongovett])
+- [`newline-after-import`]: respect decorator annotations ([#1985], thanks [@lilling])
 
 ### Changed
 - [Generic Import Callback] Make callback for all imports once in rules ([#1237], thanks [@ljqx])
@@ -759,6 +760,7 @@ for info on changes for earlier releases.
 
 [`memo-parser`]: ./memo-parser/README.md
 
+[#1985]: https://github.com/benmosher/eslint-plugin-import/pull/1985
 [#1983]: https://github.com/benmosher/eslint-plugin-import/pull/1983
 [#1974]: https://github.com/benmosher/eslint-plugin-import/pull/1974
 [#1958]: https://github.com/benmosher/eslint-plugin-import/pull/1958
@@ -1340,4 +1342,5 @@ for info on changes for earlier releases.
 [@panrafal]: https://github.com/panrafal
 [@ttmarek]: https://github.com/ttmarek
 [@christianvuerings]: https://github.com/christianvuerings
-[@devongovett]: https://github.com/devongovett
+[@devongovett]: https://github.com/devongovett
+[@lilling]: https://github.com/lilling

src/rules/newline-after-import.js

@@ -47,6 +47,10 @@ function isExportDefaultClass(node) {
   return node.type === 'ExportDefaultDeclaration' && node.declaration.type === 'ClassDeclaration';
 }
 
+function isExportNameClass(node) {
+  return node.type === 'ExportNamedDeclaration' && node.declaration.type === 'ClassDeclaration';
+}
+
 module.exports = {
   meta: {
     type: 'layout',
@@ -72,7 +76,7 @@ module.exports = {
     const requireCalls = [];
 
     function checkForNewLine(node, nextNode, type) {
-      if (isExportDefaultClass(nextNode)) {
+      if (isExportDefaultClass(nextNode) || isExportNameClass(nextNode)) {
         const classNode = nextNode.declaration;
 
         if (isClassWithDecorator(classNode)) {

tests/src/rules/newline-after-import.js

@@ -429,5 +429,29 @@ ruleTester.run('newline-after-import', require('rules/newline-after-import'), {
       parserOptions: { sourceType: 'module' },
       parser: require.resolve('babel-eslint'),
     },
+    {
+      code: `
+        // issue 1784
+        import { map } from 'rxjs/operators';
+        @Component({})
+        export class Test {}
+      `,
+      output: `
+        // issue 1784
+        import { map } from 'rxjs/operators';
+
+        @Component({})
+        export class Test {}
+      `,
+      errors: [
+        {
+          line: 2,
+          column: 1,
+          message: IMPORT_ERROR_MESSAGE,
+        },
+      ],
+      parserOptions: { sourceType: 'module' },
+      parser: require.resolve('babel-eslint'),
+    },
   ],
 });