Function findStyleAtLevel

apps/sim/lib/pptx-renderer/renderer/text-renderer.ts:23–32

* Find paragraph properties at a specific indent level from a list style node. * Tries lvl{n}pPr (where n = level + 1), then falls back to defPPr.

(styleNode: SafeXmlNode | undefined, level: number)

 * Tries lvl{n}pPr (where n = level + 1), then falls back to defPPr.
 */
function findStyleAtLevel(styleNode: SafeXmlNode | undefined, level: number): SafeXmlNode {
  if (!styleNode || !styleNode.exists()) {
    return new SafeXmlNode(null)
  }
  // Try level-specific style (lvl1pPr, lvl2pPr, etc.)
  const lvlNode = styleNode.child(`lvl${level + 1}pPr`)
  if (lvlNode.exists()) return lvlNode
  // Fall back to default
  return styleNode.child('defPPr')
}

/**
 * Determine the placeholder category for style inheritance.