Function formatHexAlpha

packages/extension/utils/css.ts:206–232

(
  color: { r: number; g: number; b: number },
  opacity: number = 1
)

}

export function formatHexAlpha(
  color: { r: number; g: number; b: number },
  opacity: number = 1
): string {
  const toHex = (n: number) => {
    const i = Math.min(255, Math.max(0, Math.round(n * 255)))
    return i.toString(16).padStart(2, '0').toUpperCase()
  }

  const r = toHex(color.r)
  const g = toHex(color.g)
  const b = toHex(color.b)

  if (opacity >= 0.99) {
    if (r[0] === r[1] && g[0] === g[1] && b[0] === b[1]) {
      return `#${r[0]}${g[0]}${b[0]}`
    }
    return `#${r}${g}${b}`
  }

  const a = toHex(opacity)
  if (r[0] === r[1] && g[0] === g[1] && b[0] === b[1] && a[0] === a[1]) {
    return `#${r[0]}${g[0]}${b[0]}${a[0]}`
  }

  return `#${r}${g}${b}${a}`
}

export function parseBackgroundShorthand(value: string) {
  const result: {