element-plus/packages/utils/animation.ts

A Component Library for Vue3.0

export const cubic = (value: number): number => Math.pow(value, 3)

export const easeInOutCubic = (value: number): number => value < 0.5
  ? cubic(value * 2) / 2
  : 1 - cubic((1 - value) * 2) / 2