pleroma/app/soapbox/features/compose/editor/utils/get-selected-node.ts

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/**
* 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.
*
*/
import { $isAtNodeEnd } from '@lexical/selection';
import { ElementNode, RangeSelection, TextNode } from 'lexical';
export const getSelectedNode = (
selection: RangeSelection,
): TextNode | ElementNode => {
const anchor = selection.anchor;
const focus = selection.focus;
const anchorNode = selection.anchor.getNode();
const focusNode = selection.focus.getNode();
if (anchorNode === focusNode) {
return anchorNode;
}
const isBackward = selection.isBackward();
if (isBackward) {
return $isAtNodeEnd(focus) ? anchorNode : focusNode;
} else {
return $isAtNodeEnd(anchor) ? focusNode : anchorNode;
}
};