fix(input-group): remove unused interim-bottom-line-color property

projects/igniteui-angular/migrations/migration-collection.json

@@ -231,6 +231,11 @@
             "version": "20.0.0",
             "description": "Updates Ignite UI for Angular from v19.2.0 to v20.0.0",
             "factory": "./update-20_0_0"
+        },
+        "migration-47": {
+            "version": "20.0.2",
+            "description": "Updates Ignite UI for Angular from v20.0.0 to v20.0.2",
+            "factory": "./update-20_0_2"
         }
     }
 }

projects/igniteui-angular/migrations/update-20_0_0/changes/theme-changes.json

@@ -6,6 +6,12 @@
       "remove": true,
       "owner": "grid-summary-theme",
       "type": "property"
+    },
+    {
+      "name": "$interim-bottom-line-color",
+      "remove": true,
+      "owner": "input-group-theme",
+      "type": "property"
     }
   ]
 }

projects/igniteui-angular/migrations/update-20_0_0/index.spec.ts

@@ -34,4 +34,24 @@ describe(`Update to ${version}`, () => {
             );`
         );
     });
+
+    it('should remove the $interim-bottom-line-color property from the input-group theme', async () => {
+        const testFilePath = `/testSrc/appPrefix/component/test.component.scss`;
+
+        appTree.create(
+            testFilePath,
+            `$my-input-group-theme: input-group-theme(
+                $box-background: #ccc,
+                $interim-bottom-line-color: orange,
+            );`
+        );
+
+        const tree = await schematicRunner.runSchematic(migrationName, {}, appTree);
+
+        expect(tree.readContent(testFilePath)).toEqual(
+            `$my-input-group-theme: input-group-theme(
+                $box-background: #ccc,
+            );`
+        );
+    });
 });

projects/igniteui-angular/migrations/update-20_0_2/changes/theme-changes.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "../../common/schema/theme-changes.schema.json",
+  "changes": [
+    {
+      "name": "$interim-bottom-line-color",
+      "remove": true,
+      "owner": "input-group-theme",
+      "type": "property"
+    }
+  ]
+}

projects/igniteui-angular/migrations/update-20_0_2/index.spec.ts

@@ -0,0 +1,37 @@
+import * as path from 'path';
+
+import { SchematicTestRunner, UnitTestTree } from '@angular-devkit/schematics/testing';
+import { setupTestTree } from '../common/setup.spec';
+
+const version = '20.0.2';
+
+describe(`Update to ${version}`, () => {
+    let appTree: UnitTestTree;
+    const schematicRunner = new SchematicTestRunner('ig-migrate', path.join(__dirname, '../migration-collection.json'));
+
+    beforeEach(() => {
+        appTree = setupTestTree();
+    });
+
+    const migrationName = 'migration-47';
+
+    it('should remove the $interim-bottom-line-color property from the input-group theme', async () => {
+        const testFilePath = `/testSrc/appPrefix/component/test.component.scss`;
+
+        appTree.create(
+            testFilePath,
+            `$my-input-group-theme: input-group-theme(
+                $box-background: #ccc,
+                $interim-bottom-line-color: orange,
+            );`
+        );
+
+        const tree = await schematicRunner.runSchematic(migrationName, {}, appTree);
+
+        expect(tree.readContent(testFilePath)).toEqual(
+            `$my-input-group-theme: input-group-theme(
+                $box-background: #ccc,
+            );`
+        );
+    });
+});

projects/igniteui-angular/migrations/update-20_0_2/index.ts

@@ -0,0 +1,14 @@
+import type {
+    Rule,
+    SchematicContext,
+    Tree
+} from '@angular-devkit/schematics';
+import { UpdateChanges } from '../common/UpdateChanges';
+
+const version = '20.0.2';
+
+export default (): Rule => async (host: Tree, context: SchematicContext) => {
+    context.logger.info(`Applying migration for Ignite UI for Angular to version ${version}`);
+    const update = new UpdateChanges(__dirname, host, context);
+    update.applyChanges();
+};

projects/igniteui-angular/src/lib/core/styles/components/input/_input-group-theme.scss

@@ -34,7 +34,6 @@
 /// @param {Color} $idle-bottom-line-color [null] - The bottom line and border colors in the idle state.
 /// @param {Color} $hover-bottom-line-color [null] - The bottom line and border colors in the hover state.
 /// @param {Color} $focused-bottom-line-color [null] - The bottom line and border colors in the focused state.
-/// @param {Color} $interim-bottom-line-color [null] - The bottom line and border colors during the to-focused transition.
 /// @param {Color} $disabled-bottom-line-color [null] - The bottom line and border colors in the disabled state.
 /// @param {Color} $border-color [null] - The border color for input groups of type border and fluent.
 /// @param {Color} $hover-border-color [null] - The hover input border for input groups of type border and fluent.
@@ -86,7 +85,6 @@
     $idle-bottom-line-color: null,
     $hover-bottom-line-color: null,
     $focused-bottom-line-color: null,
-    $interim-bottom-line-color: null,
     $disabled-bottom-line-color: null,
 
     $border-color: null,
@@ -234,7 +232,6 @@
         idle-bottom-line-color: $idle-bottom-line-color,
         hover-bottom-line-color: $hover-bottom-line-color,
         focused-bottom-line-color: $focused-bottom-line-color,
-        interim-bottom-line-color: $interim-bottom-line-color,
         disabled-bottom-line-color: $disabled-bottom-line-color,
         border-color: $border-color,
         hover-border-color: $hover-border-color,