From c78fc1a270c8e79167f4a618b4ec7b83a65826fd Mon Sep 17 00:00:00 2001
From: viktorsperling <viktor.sperling@sap.com>
Date: Tue, 10 Mar 2026 14:33:54 +0100
Subject: [PATCH 1/2] feat(dts-generator): add getMessagesByPath declarations
 and tests to TypedJSONModel

---
 .../typed-json-model/webapp/model/model.ts    |  5 +++
 .../webapp/model/test/cases/edgeCases.ts      | 32 +++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/test-packages/typed-json-model/webapp/model/model.ts b/test-packages/typed-json-model/webapp/model/model.ts
index a3b70ad..d951928 100644
--- a/test-packages/typed-json-model/webapp/model/model.ts
+++ b/test-packages/typed-json-model/webapp/model/model.ts
@@ -6,6 +6,7 @@ import {
   PropertyByRelativeBindingPath,
   RelativeBindingPath,
 } from "./typing";
+import Message from "sap/ui/core/message/Message";
 
 export class TypedJSONContext<Data extends object, Root extends AbsoluteBindingPath<Data>> extends Context {
   constructor(oModel: TypedJSONModel<Data>, sPath: Root) {
@@ -43,6 +44,10 @@ export class TypedJSONModel<Data extends object> extends JSONModel {
     return super.getData() as Data;
   }
 
+  getMessagesByPath<Path extends AbsoluteBindingPath<Data>>(sPath: Path, bPrefixMatch?: boolean): Message[] {
+    return super.getMessagesByPath(sPath, bPrefixMatch);
+  }
+
   getProperty<Path extends AbsoluteBindingPath<Data>>(sPath: Path): PropertyByAbsoluteBindingPath<Data, Path>;
   getProperty<Path extends RelativeBindingPath<Data, Root>, Root extends AbsoluteBindingPath<Data>>(
     sPath: Path,
diff --git a/test-packages/typed-json-model/webapp/model/test/cases/edgeCases.ts b/test-packages/typed-json-model/webapp/model/test/cases/edgeCases.ts
index 43fe5e6..6f4f4b3 100644
--- a/test-packages/typed-json-model/webapp/model/test/cases/edgeCases.ts
+++ b/test-packages/typed-json-model/webapp/model/test/cases/edgeCases.ts
@@ -2,6 +2,7 @@
  * @file Various edge cases to test the TypedJSONModel
  */
 
+import Message from "sap/ui/core/message/Message";
 import { TypedJSONModel } from "../../model";
 
 /***********************************************************************************************************************
@@ -65,3 +66,34 @@ const model4 = new TypedJSONModel(edgeCase);
 /** @expect ok     */ model4.setProperty("/anIntersection", { a: 1, b: "b" });
 /** @expect ts2345 */ model4.setProperty("/anIntersection", { a: 1 });
 /** @expect ts2322 */ model4.setProperty("/anIntersection", { a: 1, b: 2 });
+
+/***********************************************************************************************************************
+ * Check model.getMessagesByPath
+ **********************************************************************************************************************/
+
+const data = {
+  aString: "string",
+  anObject: { a: "foo" },
+  anArray: [],
+  anArrayOfObjects: [{ aNumber: 1 }],
+};
+
+const model5 = new TypedJSONModel(data);
+
+/** @expect ok     */ model5.getMessagesByPath("/aString");
+/** @expect ok     */ model5.getMessagesByPath("/aString", true);
+
+/** @expect ok     */ const messages: Message[] = model5.getMessagesByPath("/anObject");
+/** @expect ok     */ model5.getMessagesByPath("/anObject", true);
+
+/** @expect ok     */ model5.getMessagesByPath("/anObject/a");
+/** @expect ok     */ model5.getMessagesByPath("/anObject/a", true);
+
+/** @expect ok     */ model5.getMessagesByPath("/anArrayOfObjects/0/aNumber");
+/** @expect ok     */ model5.getMessagesByPath("/anArrayOfObjects/0/aNumber", true);
+
+/** @expect ts2345 */ model5.getMessagesByPath("anObject");
+/** @expect ts2345 */ model5.getMessagesByPath("anObject", true);
+
+/** @expect ts2345 */ model5.getMessagesByPath("/anArray/0/doesNotExist");
+/** @expect ts2345 */ model5.getMessagesByPath("/anArray/0/doesNotExist", true);

From a4faa4d5204d29bab13182039d76e57257da031f Mon Sep 17 00:00:00 2001
From: viktorsperling <viktor.sperling@sap.com>
Date: Tue, 10 Mar 2026 14:37:55 +0100
Subject: [PATCH 2/2] chore(dts-generator): adds getMessagesByPath declaration

---
 packages/dts-generator/src/resources/typed-json-model.d.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/dts-generator/src/resources/typed-json-model.d.ts b/packages/dts-generator/src/resources/typed-json-model.d.ts
index 5d33d33..0475449 100644
--- a/packages/dts-generator/src/resources/typed-json-model.d.ts
+++ b/packages/dts-generator/src/resources/typed-json-model.d.ts
@@ -2,6 +2,7 @@ declare module "sap/ui/model/json/TypedJSONModel" {
   import JSONModel from "sap/ui/model/json/JSONModel";
   import TypedJSONContext from "sap/ui/model/json/TypedJSONContext";
   import Context from "sap/ui/model/Context";
+  import Message from "sap/ui/core/message/Message";
 
   /**
    * TypedJSONModel is a subclass of JSONModel that provides type-safe access to the model data. It is only available when using UI5 with TypeScript.
@@ -19,6 +20,10 @@ declare module "sap/ui/model/json/TypedJSONModel" {
       bReload?: boolean,
     ): TypedJSONContext<Data, Path>;
     getData(): Data;
+    getMessagesByPath<Path extends AbsoluteBindingPath<Data>>(
+      sPath: Path,
+      bPrefixMatch?: boolean,
+    ): Message[];
     getProperty<Path extends AbsoluteBindingPath<Data>>(
       sPath: Path,
     ): PropertyByAbsoluteBindingPath<Data, Path>;