Function doRectsIntersect

packages/editor/src/utils/lines.ts:8–12

(rect: DOMRect, compareRect: DOMRect)

import { Editable } from '../plugin/editable'

const doRectsIntersect = (rect: DOMRect, compareRect: DOMRect) => {
  const middle = (compareRect.top + compareRect.bottom) / 2

  return rect.top <= middle && rect.bottom >= middle
}

const areRangesSameLine = (editor: Editable, range1: Range, range2: Range) => {
  const rect1 = Editable.toDOMRange(editor, range1).getBoundingClientRect()