Function absolutePositionToEditorPoint

packages/yjs-transform/src/position.ts:28–54

(
  sharedRoot: Y.XmlText,
  editorRoot: Node,
  { type, index, assoc }: Y.AbsolutePosition,
)

}

export function absolutePositionToEditorPoint(
  sharedRoot: Y.XmlText,
  editorRoot: Node,
  { type, index, assoc }: Y.AbsolutePosition,
): BasePoint | null {
  if (!(type instanceof Y.XmlText)) {
    throw new Error('Absolute position points to a non-XMLText')
  }

  const parentPath = getEditorPath(sharedRoot, editorRoot, type)
  const parent = Node.get(editorRoot, parentPath)

  if (Text.isText(parent)) {
    throw new Error("Absolute position doesn't match editorRoot, cannot descent into text")
  }

  const [pathOffset, textOffset] = yOffsetToEditorOffsets(parent, index, {
    assoc,
  })

  const target = parent.children[pathOffset]
  if (!Text.isText(target)) {
    return null
  }

  return { path: [...parentPath, pathOffset], offset: textOffset }
}

export function relativePositionToEditorPoint(
  sharedRoot: Y.XmlText,