mini-prog/miniprogram/utils/animationLevel.ts

export type AnimationLevel = 'standard' | 'lite'

const LITE_BENCHMARK_THRESHOLD = 18
const LITE_DEVICE_MEMORY_GB = 3

export function resolveAnimationLevel(systemInfo?: WechatMiniprogram.SystemInfo): AnimationLevel {
  const info = systemInfo || wx.getSystemInfoSync()
  const benchmarkLevel = Number((info as WechatMiniprogram.SystemInfo & { benchmarkLevel?: number }).benchmarkLevel)
  const deviceMemory = Number((info as WechatMiniprogram.SystemInfo & { deviceMemory?: number }).deviceMemory)

  if (Number.isFinite(benchmarkLevel) && benchmarkLevel > 0 && benchmarkLevel <= LITE_BENCHMARK_THRESHOLD) {
    return 'lite'
  }

  if (Number.isFinite(deviceMemory) && deviceMemory > 0 && deviceMemory <= LITE_DEVICE_MEMORY_GB) {
    return 'lite'
  }

  return 'standard'
}

export function formatAnimationLevelText(level: AnimationLevel): string {
  return level === 'lite' ? '精简' : '标准'
}