Give suggestion for @types/bun when Bun global is not found (#56795)

src/compiler/checker.ts

@@ -26192,6 +26192,10 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                 return compilerOptions.types
                     ? Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig
                     : Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_save_dev_types_Slashnode;
+            case "Bun":
+                return compilerOptions.types
+                    ? Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_Bun_Try_npm_i_save_dev_types_Slashbun_and_then_add_bun_to_the_types_field_in_your_tsconfig
+                    : Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_Bun_Try_npm_i_save_dev_types_Slashbun;
             case "Map":
             case "Set":
             case "Promise":

src/compiler/diagnosticMessages.json

@@ -3735,6 +3735,14 @@
         "category": "Error",
         "code": 2866
     },
+    "Cannot find name '{0}'. Do you need to install type definitions for Bun? Try `npm i --save-dev @types/bun`.": {
+        "category": "Error",
+        "code": 2867
+    },
+    "Cannot find name '{0}'. Do you need to install type definitions for Bun? Try `npm i --save-dev @types/bun` and then add 'bun' to the types field in your tsconfig.": {
+        "category": "Error",
+        "code": 2868
+    },
 
     "Import declaration '{0}' is using private name '{1}'.": {
         "category": "Error",