import { internalAssertAlpha, internalAssertNonNegativeFinite } from "../internal.ts"
import type { XyzColorValue } from "../types.ts"

/**
 * @description 规范化 XYZ 颜色值结构。
 */
export const internalNormalizeXyzColorValue = (color: XyzColorValue): XyzColorValue => {
  internalAssertNonNegativeFinite(color.x, "Color channel x")
  internalAssertNonNegativeFinite(color.y, "Color channel y")
  internalAssertNonNegativeFinite(color.z, "Color channel z")
  internalAssertAlpha(color.alpha)

  return {
    x: color.x,
    y: color.y,
    z: color.z,
    alpha: color.alpha,
  }
}