From 3f5874f5d1c4e6148b821ffa63c8c571a7f45e65 Mon Sep 17 00:00:00 2001
From: damyanpetev <damyanpetev@users.noreply.github.com>
Date: Thu, 29 Jan 2026 18:22:37 +0200
Subject: [PATCH] refactor(types): add defaults for generic type params on main
 types

---
 src/components/column.ts       |  6 +++---
 src/components/grid.ts         | 14 +++++++-------
 src/internal/types.ts          | 11 ++++++-----
 src/operations/filter/types.ts |  2 +-
 src/operations/sort/types.ts   |  2 +-
 5 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/src/components/column.ts b/src/components/column.ts
index 89e3e8d..8ac68c8 100644
--- a/src/components/column.ts
+++ b/src/components/column.ts
@@ -15,7 +15,7 @@ import type {
 /**
  * @element igc-grid-lite-column
  */
-export class IgcGridLiteColumn<T extends object>
+export class IgcGridLiteColumn<T extends object = any>
   extends LitElement
   implements BaseColumnConfiguration<T>
 {
@@ -88,7 +88,7 @@ export class IgcGridLiteColumn<T extends object>
 
   /** Custom cell template for the column. */
   @property({ attribute: false })
-  public cellTemplate?: (params: IgcCellContext<T>) => unknown;
+  public cellTemplate?: (params: IgcCellContext<T, any>) => unknown;
 
   protected override update(props: PropertyValues<this>): void {
     if (this.hasUpdated && props.size > 0) {
@@ -105,6 +105,6 @@ export class IgcGridLiteColumn<T extends object>
 
 declare global {
   interface HTMLElementTagNameMap {
-    [IgcGridLiteColumn.tagName]: IgcGridLiteColumn<object>;
+    [IgcGridLiteColumn.tagName]: IgcGridLiteColumn;
   }
 }
diff --git a/src/components/grid.ts b/src/components/grid.ts
index 9df7e4e..0ad16c6 100644
--- a/src/components/grid.ts
+++ b/src/components/grid.ts
@@ -51,7 +51,7 @@ function columnReducer<T extends Element>(acc: T[], el: T): T[] {
 /**
  * Event object for the filtering event of the grid.
  */
-export interface IgcFilteringEvent<T extends object> {
+export interface IgcFilteringEvent<T extends object = any> {
   /**
    * The target column for the filter operation.
    */
@@ -77,7 +77,7 @@ export interface IgcFilteringEvent<T extends object> {
 /**
  * Event object for the filtered event of the grid.
  */
-export interface IgcFilteredEvent<T extends object> {
+export interface IgcFilteredEvent<T extends object = any> {
   /**
    * The target column for the filter operation.
    */
@@ -92,7 +92,7 @@ export interface IgcFilteredEvent<T extends object> {
 /**
  * Events for the igc-grid-lite.
  */
-export interface IgcGridLiteEventMap<T extends object> {
+export interface IgcGridLiteEventMap<T extends object = any> {
   /**
    * Emitted when sorting is initiated through the UI.
    * Returns the sort expression which will be used for the operation.
@@ -103,14 +103,14 @@ export interface IgcGridLiteEventMap<T extends object> {
    *
    * @event
    */
-  sorting: CustomEvent<SortingExpression<T>>;
+  sorting: CustomEvent<SortingExpression<T, any>>;
   /**
    * Emitted when a sort operation initiated through the UI has completed.
    * Returns the sort expression used for the operation.
    *
    * @event
    */
-  sorted: CustomEvent<SortingExpression<T>>;
+  sorted: CustomEvent<SortingExpression<T, any>>;
   /**
    * Emitted when filtering is initiated through the UI.
    *
@@ -144,7 +144,7 @@ export interface IgcGridLiteEventMap<T extends object> {
  * @fires filtered - Emitted when a filter operation initiated through the UI has completed.
  *
  */
-export class IgcGridLite<T extends object> extends EventEmitterBase<IgcGridLiteEventMap<T>> {
+export class IgcGridLite<T extends object = any> extends EventEmitterBase<IgcGridLiteEventMap<T>> {
   public static get tagName() {
     return GRID_TAG;
   }
@@ -504,6 +504,6 @@ export class IgcGridLite<T extends object> extends EventEmitterBase<IgcGridLiteE
 
 declare global {
   interface HTMLElementTagNameMap {
-    [IgcGridLite.tagName]: IgcGridLite<object>;
+    [IgcGridLite.tagName]: IgcGridLite;
   }
 }
diff --git a/src/internal/types.ts b/src/internal/types.ts
index 8f3cd75..bcc8b6d 100644
--- a/src/internal/types.ts
+++ b/src/internal/types.ts
@@ -170,9 +170,10 @@ export interface BaseColumnConfiguration<T extends object, K extends Keys<T> = K
 /**
  * See {@link BaseColumnConfiguration} for the full documentation.
  */
-export type ColumnConfiguration<T extends object, K extends Keys<T> = Keys<T>> = K extends Keys<T>
-  ? BaseColumnConfiguration<T, K>
-  : never;
+export type ColumnConfiguration<
+  T extends object = any,
+  K extends Keys<T> = Keys<T>,
+> = K extends Keys<T> ? BaseColumnConfiguration<T, K> : never;
 
 export interface ActiveNode<T> {
   column: Keys<T>;
@@ -182,7 +183,7 @@ export interface ActiveNode<T> {
 /**
  * Context object for the column header template callback.
  */
-export interface IgcHeaderContext<T extends object> {
+export interface IgcHeaderContext<T extends object = any> {
   /**
    * The header element parent of the template.
    */
@@ -218,7 +219,7 @@ export interface BaseIgcCellContext<T extends object, K extends Keys<T> = Keys<T
 /**
  * See {@link BaseIgcCellContext} for the full documentation.
  */
-export type IgcCellContext<T extends object, K extends Keys<T> = Keys<T>> = K extends Keys<T>
+export type IgcCellContext<T extends object = any, K extends Keys<T> = Keys<T>> = K extends Keys<T>
   ? BaseIgcCellContext<T, K>
   : never;
 
diff --git a/src/operations/filter/types.ts b/src/operations/filter/types.ts
index e8d918b..37b607b 100644
--- a/src/operations/filter/types.ts
+++ b/src/operations/filter/types.ts
@@ -64,7 +64,7 @@ export interface BaseFilterExpression<T, K extends Keys<T> = Keys<T>> {
 /**
  * See {@link BaseFilterExpression} for the full documentation.
  */
-export type FilterExpression<T, K extends Keys<T> = Keys<T>> = K extends Keys<T>
+export type FilterExpression<T = any, K extends Keys<T> = Keys<T>> = K extends Keys<T>
   ? BaseFilterExpression<T, K>
   : never;
 
diff --git a/src/operations/sort/types.ts b/src/operations/sort/types.ts
index d7cfb15..7037d78 100644
--- a/src/operations/sort/types.ts
+++ b/src/operations/sort/types.ts
@@ -54,7 +54,7 @@ export interface BaseSortingExpression<T, K extends Keys<T> = Keys<T>> {
 /**
  * See {@link BaseSortingExpression} for the full documentation.
  */
-export type SortingExpression<T, K extends Keys<T> = Keys<T>> = K extends Keys<T>
+export type SortingExpression<T = any, K extends Keys<T> = Keys<T>> = K extends Keys<T>
   ? BaseSortingExpression<T, K>
   : never;