Function insertBeforeNode

src/ink/dom.ts:155–202

(
  node: DOMElement,
  newChildNode: DOMNode,
  beforeChildNode: DOMNode,
)

}

export const insertBeforeNode = (
  node: DOMElement,
  newChildNode: DOMNode,
  beforeChildNode: DOMNode,
): void => {
  if (newChildNode.parentNode) {
    removeChildNode(newChildNode.parentNode, newChildNode)
  }

  newChildNode.parentNode = node

  const index = node.childNodes.indexOf(beforeChildNode)

  if (index >= 0) {
    // Calculate yoga index BEFORE modifying childNodes.
    // We can't use DOM index directly because some children (like ink-progress,
    // ink-link, ink-virtual-text) don't have yogaNodes, so DOM indices don't
    // match yoga indices.
    let yogaIndex = 0
    if (newChildNode.yogaNode && node.yogaNode) {
      for (let i = 0; i < index; i++) {
        if (node.childNodes[i]?.yogaNode) {
          yogaIndex++
        }
      }
    }

    node.childNodes.splice(index, 0, newChildNode)

    if (newChildNode.yogaNode && node.yogaNode) {
      node.yogaNode.insertChild(newChildNode.yogaNode, yogaIndex)
    }

    markDirty(node)
    return
  }

  node.childNodes.push(newChildNode)

  if (newChildNode.yogaNode) {
    node.yogaNode?.insertChild(
      newChildNode.yogaNode,
      node.yogaNode.getChildCount(),
    )
  }

  markDirty(node)
}

export const removeChildNode = (
  node: DOMElement,