'use strict'; import type { CSSAnimationDirection, CSSAnimationFillMode, CSSAnimationPlayState, } from '../../../types'; export const VALID_ANIMATION_DIRECTIONS = new Set([ 'normal', 'reverse', 'alternate', 'alternate-reverse', ]); export const VALID_FILL_MODES = new Set([ 'none', 'forwards', 'backwards', 'both', ]); export const VALID_PLAY_STATES = new Set([ 'running', 'paused', ]);