25 lines
655 B
TypeScript
25 lines
655 B
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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export function getDOMRangeRect(nativeSelection: Selection, rootElement: HTMLElement): DOMRect {
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const domRange = nativeSelection.getRangeAt(0)
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let rect
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if (nativeSelection.anchorNode === rootElement) {
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let inner = rootElement
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while (inner.firstElementChild != null) {
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inner = inner.firstElementChild as HTMLElement
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}
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rect = inner.getBoundingClientRect()
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} else {
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rect = domRange.getBoundingClientRect()
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}
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return rect
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}
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