Function extractFormatCode

apps/sim/lib/pptx-renderer/renderer/chart-renderer.ts:138–150

* Extract the formatCode from a numRef > numCache > formatCode structure.

(refNode: SafeXmlNode)

 * Extract the formatCode from a numRef > numCache > formatCode structure.
 */
function extractFormatCode(refNode: SafeXmlNode): string | undefined {
  const cache = refNode.child('numRef').exists()
    ? refNode.child('numRef').child('numCache')
    : refNode.child('numCache')

  if (!cache.exists()) return undefined

  const fc = cache.child('formatCode')
  if (!fc.exists()) return undefined

  const text = fc.text()
  return text || undefined
}

/**
 * Format a numeric value according to its numCache formatCode.