[DAS] Fixes different aliased imports same element

[email protected]

Fixes #59584

Change-Id: I7038827ad0414e73e6af8f37f90d56cfcb6e76af
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/397000
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Samuel Rawlins <[email protected]>
Reviewed-by: Samuel Rawlins <[email protected]>
Auto-Submit: Felipe Morschel <[email protected]>

Author: FMorschel

pkg/analysis_server/lib/src/lsp/handlers/custom/handler_imports.dart

@@ -140,6 +140,8 @@ class ImportsHandler
     for (var directive in unit.directives.whereType<ImportDirective>()) {
       var import = directive.libraryImport;
       if (import == null) continue;
+      var importPrefix = directive.prefix?.name;
+      if (importPrefix != prefix) continue;
 
       var importedElement =
           prefix == null

pkg/analysis_server/test/lsp/import_test.dart

@@ -317,6 +317,20 @@ Rando^m? r;''');
     );
   }
 
+  Future<void> test_import_multiple() async {
+    await _verifyGoToImports(
+      TestCode.parse('''
+import 'dart:async' as import1;
+import 'dart:async' as import2;
+/*[0*/import 'dart:async';/*0]*/
+/*[1*/import 'dart:core';/*1]*/
+import 'dart:math';
+
+Futur^e<void>? f;
+'''),
+    );
+  }
+
   Future<void> test_import_part() async {
     var otherFileUri = Uri.file(join(projectFolderPath, 'lib', 'other.dart'));
     var main = TestCode.parse('''