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

27 wiersze
838 B
TypeScript

/**
* This source code is derived from code from Meta Platforms, Inc.
* and affiliates, licensed under the MIT license located in the
* LICENSE file in the /src/features/compose/editor directory.
*/
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;
}
};