feat: Detect usage of deprecated enum string values

src/linter/ui5Types/SourceFileLinter.ts

@@ -712,6 +712,37 @@ export default class SourceFileLinter {
 				if (!propertySymbol) {
 					return;
 				}
+
+				const propertyType = this.checker.getTypeOfSymbol(propertySymbol);
+
+				if (propertyType.isUnion()) {
+					const valueType = this.checker.getTypeAtLocation(prop.initializer);
+
+					for (const type of propertyType.types) {
+						// Find out whether the value is assignable to one of the types
+						if (!this.checker.isTypeAssignableTo(valueType, type)) {
+							continue;
+						}
+						// If the type is just a string literal (no enum value), we need to look for a matching
+						// enum value in the list of types to check for its deprecation
+						if (!(type.flags & ts.TypeFlags.EnumLiteral) && type.isStringLiteral()) {
+							const enumType = propertyType.types.find((t) => {
+								return t.symbol?.name === type.value;
+							});
+							if (!enumType) {
+								continue;
+							}
+							const deprecationInfo = this.getDeprecationInfo(enumType.symbol);
+							if (deprecationInfo) {
+								this.#reporter.addMessage(MESSAGE.DEPRECATED_PROPERTY, {
+									propertyName: type.value,
+									details: deprecationInfo.messageDetails,
+								}, prop);
+							}
+						}
+					}
+				}
+
 				const deprecationInfo = this.getDeprecationInfo(propertySymbol);
 				if (!deprecationInfo) {
 					return;

test/fixtures/linter/rules/NoDeprecatedApi/NoDeprecatedApi.js

@@ -1,7 +1,8 @@
 sap.ui.define([
 	"sap/m/Button", "sap/m/DateTimeInput", "sap/base/util/includes", "sap/ui/Device", "sap/ui/core/library", "sap/ui/generic/app/navigation/service/NavigationHandler",
-	"sap/ui/table/Table", "sap/ui/table/plugins/MultiSelectionPlugin", "sap/ui/core/Configuration", "sap/m/library"
-], function(Button, DateTimeInput, includes, Device, coreLib, NavigationHandler, Table, MultiSelectionPlugin, Configuration, mobileLib) {
+	"sap/ui/table/Table", "sap/ui/table/plugins/MultiSelectionPlugin", "sap/ui/core/Configuration", "sap/m/library",
+	"sap/m/Input", "sap/m/TileContent", "sap/ui/layout/form/SimpleForm"
+], function(Button, DateTimeInput, includes, Device, coreLib, NavigationHandler, Table, MultiSelectionPlugin, Configuration, mobileLib, Input, TileContent, SimpleForm) {
 	"use strict";
 	var dateTimeInput = new DateTimeInput(); // Control is deprecated. A finding only appears for the module dependency, not for the usage.
 
@@ -77,4 +78,21 @@ sap.ui.define([
 	// (via local function name)
 	const sapUiXmlView = sap.ui.xmlview;
 	const view3 = sapUiXmlView("com.ui5.troublesome.app.view.MyView");
+
+	const simpleForm = new SimpleForm({
+		layout: "ResponsiveLayout" // SimpleFormLayout.ResponsiveLayout is deprecated
+	});
+
+	const tileContent = new TileContent({
+		frameType: "TwoThirds" // FrameType.TwoThirds is deprecated
+	});
+
+	const input = new Input({
+		type: "Date" // InputType.Date is deprecated
+	});
+
+	// Negative test: ResponsiveGridLayout is not deprecated
+	const simpleForm2 = new SimpleForm({
+		layout: "ResponsiveGridLayout" // ResponsiveGridLayout is not deprecated
+	});
 });

test/fixtures/linter/rules/NoDeprecatedApi/XMLView.view.xml

@@ -3,6 +3,7 @@
 	xmlns:core="sap.ui.core"
 	xmlns:table="sap.ui.table"
 	xmlns:tablePlugins="sap.ui.table.plugins"
+	xmlns:form="sap.ui.layout.form"
 >
 
 	<DateTimeInput /> <!-- DateTimeInput is deprecated -->
@@ -41,4 +42,17 @@
 	<core:Fragment type="XML" fragmentName="myapp.fragment.Details" />
 	<core:Fragment type="JS" fragmentName="myapp.fragment.Details" />
 
+
+	<!-- SimpleFormLayout.ResponsiveLayout is deprecated -->
+	<form:SimpleForm layout="ResponsiveLayout" />
+
+	<!-- FrameType.TwoThirds is deprecated -->
+	<TileContent frameType="TwoThirds" />
+
+	<!-- InputType.Date is deprecated -->
+	<Input type="Date" />
+
+	<!-- Negative test: ResponsiveGridLayout is not deprecated -->
+	<form:SimpleForm layout="ResponsiveGridLayout" />
+
 </mvc:View>