@mui/x-tree-view/internals/models/events.d.ts

The community edition of the MUI X Tree View components.

import { MuiEvent } from '@mui/x-internals/types';
import { TreeViewItemId } from "../../models/index.js";
interface TreeViewEventLookup {
  /**
   * Fired before an item is expanded or collapsed.
   */
  beforeItemToggleExpansion: {
    parameters: {
      isExpansionPrevented: boolean;
      shouldBeExpanded: boolean;
      itemId: TreeViewItemId;
    };
    event: React.SyntheticEvent | null;
  };
}
export type TreeViewEvents = keyof TreeViewEventLookup;
export type TreeViewEventListener<E extends TreeViewEvents> = (params: TreeViewEventParameters<E>, event: TreeViewEventLookup[E] extends {
  event: any;
} ? MuiEvent<TreeViewEventLookup[E]['event']> : MuiEvent<{}>) => void;
export type TreeViewEventParameters<E extends TreeViewEvents> = TreeViewEventLookup[E] extends {
  parameters: infer P;
} ? P : undefined;
export type TreeViewEventEvent<E extends TreeViewEvents> = TreeViewEventLookup[E] extends {
  event: infer EV;
} ? EV : undefined;
export {};