import { Editor, Location, Range } from 'slate';
import { EditorUnhangRangeOptions } from '../typings/editor';

export interface UnhangRangeOptions extends EditorUnhangRangeOptions {
  at?: Location;
  /**
   * @default false
   */
  hanging?: boolean;
}

/**
 * Call {@link Editor.unhangRange} if `unhang` is true and if `at` (default: selection) is a range.
 * Assign returned `Range` to `options.at` after callced.
 */
export function unhangRange(editor: Editor, options: UnhangRangeOptions = {}): void {
  const { at = editor.selection, voids, hanging = false } = options;

  if (!hanging && Range.isRange(at)) {
    options.at = Editor.unhangRange(editor, at, { voids });
  }
}