no-barrel-files: Cover exports before imports

Fixes #3520

Author: sindresorhus

test/no-barrel-files.js

@@ -35,6 +35,7 @@ test.snapshot({
 		'import foo from "foo"; export default foo;',
 		'export default foo; import foo from "foo";',
 		'import * as namespace from "foo"; export {namespace as default};',
+		'export {foo}; import {foo} from "foo";',
 		outdent`
 			import {foo} from './foo.js';
 			export {foo};

test/snapshots/no-barrel-files.js.md

@@ -180,7 +180,23 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(12): import {foo} from './foo.js'; export {foo}; export {bar} from './bar.js';
+## invalid(12): export {foo}; import {foo} from "foo";
+
+> Input
+
+    `␊
+      1 | export {foo}; import {foo} from "foo";␊
+    `
+
+> Error 1/1
+
+    `␊
+    Message:␊
+    > 1 | export {foo}; import {foo} from "foo";␊
+        | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
+    `
+
+## invalid(13): import {foo} from './foo.js'; export {foo}; export {bar} from './bar.js';
 
 > Input
 
@@ -202,7 +218,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(13): // This is still a barrel file. export {}; export {foo} from './foo.js'; export {bar} from './bar.js';
+## invalid(14): // This is still a barrel file. export {}; export {foo} from './foo.js'; export {bar} from './bar.js';
 
 > Input
 
@@ -227,7 +243,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(14): export type {Foo} from "foo";
+## invalid(15): export type {Foo} from "foo";
 
 > Input
 
@@ -243,7 +259,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(15): export type * from "foo";
+## invalid(16): export type * from "foo";
 
 > Input
 
@@ -259,7 +275,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(16): export type * as Namespace from "foo";
+## invalid(17): export type * as Namespace from "foo";
 
 > Input
 
@@ -275,7 +291,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(17): import foo from "foo"; export default foo as Foo;
+## invalid(18): import foo from "foo"; export default foo as Foo;
 
 > Input
 
@@ -291,7 +307,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(18): import foo from "foo"; export default foo satisfies Foo;
+## invalid(19): import foo from "foo"; export default foo satisfies Foo;
 
 > Input
 
@@ -307,7 +323,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(19): import foo from "foo"; export default foo!;
+## invalid(20): import foo from "foo"; export default foo!;
 
 > Input
 
@@ -323,7 +339,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(20): import foo from "foo"; export default foo<string>;
+## invalid(21): import foo from "foo"; export default foo<string>;
 
 > Input
 
@@ -339,7 +355,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(21): import foo from "foo"; export default <Foo>foo;
+## invalid(22): import foo from "foo"; export default <Foo>foo;
 
 > Input
 
@@ -355,7 +371,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Barrel files are not allowed.␊
     `
 
-## invalid(22): import type {Foo} from './foo.js'; export type {Foo};
+## invalid(23): import type {Foo} from './foo.js'; export type {Foo};
 
 > Input