designer-hub/src/interceptors/prototype.ts

export const prototypeInterceptor = {
  install() {
    // 解决低版本手机不识别 array.at() 导致运行报错的问题
    if (typeof Array.prototype.at !== 'function') {
      // eslint-disable-next-line no-extend-native
      Array.prototype.at = function (index: number) {
        if (index < 0) return this[this.length + index]
        if (index >= this.length) return undefined
        return this[index]
      }
    }
  },
}