ant-design-vue/components/vc-tabs/src/KeyCode.js

export default {
  /**
   * LEFT
   */
  LEFT: 37, // also NUM_WEST
  /**
   * UP
   */
  UP: 38, // also NUM_NORTH
  /**
   * RIGHT
   */
  RIGHT: 39, // also NUM_EAST
  /**
   * DOWN
   */
  DOWN: 40, // also NUM_SOUTH
};