function isStyleSupport(styleName: string | Array): boolean { if (typeof window !== 'undefined' && window.document && window.document.documentElement) { const styleNameList = Array.isArray(styleName) ? styleName : [styleName]; const { documentElement } = window.document; return styleNameList.some(name => name in documentElement.style); } return false; } export const isFlexSupported = isStyleSupport(['flex', 'webkitFlex', 'Flex', 'msFlex']); export default isStyleSupport;