fix: disallow import assertionts in export without from (#12264)

packages/babel-parser/src/parser/statement.js

@@ -1906,6 +1906,10 @@ export default class StatementParser extends ExpressionParser {
     if (this.eatContextual("from")) {
       node.source = this.parseImportSource();
       this.checkExport(node);
+      const assertions = this.maybeParseImportAssertions();
+      if (assertions) {
+        node.assertions = assertions;
+      }
     } else {
       if (expect) {
         this.unexpected();
@@ -1914,11 +1918,6 @@ export default class StatementParser extends ExpressionParser {
       }
     }
 
-    const assertions = this.maybeParseImportAssertions();
-    if (assertions) {
-      node.assertions = assertions;
-    }
-
     this.semicolon();
   }
 

packages/babel-parser/test/fixtures/experimental/import-assertions/invalid-export-without-from/input.js

@@ -0,0 +1,2 @@
+const foo = 1;
+export { foo } assert { type: "json" };

packages/babel-parser/test/fixtures/experimental/import-assertions/invalid-export-without-from/options.json

@@ -0,0 +1,9 @@
+{
+  "plugins": [
+    [
+      "importAssertions"
+    ]
+  ],
+  "sourceType": "module",
+  "throws": "Unexpected token, expected \";\" (2:15)"
+}