27 lines
729 B
TypeScript
27 lines
729 B
TypeScript
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/**
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* Internal dependencies
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*/
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import type { RichTextValue } from './types';
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/**
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* Check if the selection of a Rich Text value is collapsed or not. Collapsed
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* means that no characters are selected, but there is a caret present. If there
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* is no selection, `undefined` will be returned. This is similar to
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* `window.getSelection().isCollapsed()`.
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*
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* @param props The rich text value to check.
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* @param props.start
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* @param props.end
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* @return True if the selection is collapsed, false if not, undefined if there is no selection.
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*/
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export function isCollapsed( {
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start,
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end,
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}: RichTextValue ): boolean | undefined {
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if ( start === undefined || end === undefined ) {
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return;
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}
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return start === end;
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}
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