/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

/**
 * Common update tags used in Lexical. These tags can be used with editor.update() or $addUpdateTag()
 * to indicate the type/purpose of an update. Multiple tags can be used in a single update.
 */

/**
 * Indicates that the update is related to history operations (undo/redo)
 */
export const HISTORIC_TAG = 'historic';

/**
 * Indicates that a new history entry should be pushed to the history stack
 */
export const HISTORY_PUSH_TAG = 'history-push';

/**
 * Indicates that the current update should be merged with the previous history entry
 */
export const HISTORY_MERGE_TAG = 'history-merge';

/**
 * Indicates that the update is related to a paste operation
 */
export const PASTE_TAG = 'paste';

/**
 * Indicates that the update is related to collaborative editing
 */
export const COLLABORATION_TAG = 'collaboration';

/**
 * Indicates that the update should skip collaborative sync
 */
export const SKIP_COLLAB_TAG = 'skip-collab';

/**
 * Indicates that the update should skip scrolling the selection into view
 */
export const SKIP_SCROLL_INTO_VIEW_TAG = 'skip-scroll-into-view';

/**
 * Indicates that the update should skip updating the DOM selection
 * This is useful when you want to make updates without changing the selection or focus
 */
export const SKIP_DOM_SELECTION_TAG = 'skip-dom-selection';

/**
 * Indicates that after changing the selection, the editor should not focus itself
 * This tag is ignored if {@link SKIP_DOM_SELECTION_TAG} is used
 */
export const SKIP_SELECTION_FOCUS_TAG = 'skip-selection-focus';

/**
 * The update was triggered by editor.focus()
 */
export const FOCUS_TAG = 'focus';

/**
 * The update was triggered by composition-start
 */
export const COMPOSITION_START_TAG = 'composition-start';

/**
 * The update was triggered by composition-end
 */
export const COMPOSITION_END_TAG = 'composition-end';

/**
 * The set of known update tags to help with TypeScript suggestions.
 */
export type UpdateTag =
  | typeof COLLABORATION_TAG
  | typeof FOCUS_TAG
  | typeof HISTORIC_TAG
  | typeof HISTORY_MERGE_TAG
  | typeof HISTORY_PUSH_TAG
  | typeof PASTE_TAG
  | typeof SKIP_COLLAB_TAG
  | typeof SKIP_DOM_SELECTION_TAG
  | typeof SKIP_SCROLL_INTO_VIEW_TAG
  | typeof COMPOSITION_START_TAG
  | typeof COMPOSITION_END_TAG
  | (string & {});