Function resolveGradientBorder

packages/extension/utils/css.ts:532–550

(style: Record<string, string>)

}

function resolveGradientBorder(style: Record<string, string>): GradientBorderSpec | null {
  const gradient = extractLeadingGradient(style['border-image'] ?? '')
  if (!gradient) return null

  const borderWidth = getBorderWidth(style)
  if (!borderWidth || isZeroBorderWidth(borderWidth)) return null

  const preserveBorder = !hasOverflowClipping(style)
  const inset = preserveBorder
    ? (negateLengthLiteral(borderWidth) ?? `calc(-1 * ${borderWidth})`)
    : '0'

  return {
    gradient,
    borderWidth,
    preserveBorder,
    inset
  }
}

function buildGradientBorderBaseStyle(
  style: Record<string, string>,