src/utils/detectFeature.js
import memoize from './memoize'
export const isNodeEnv = () => typeof window === 'undefined'
export const isTestEnv = () => {
const userAgent = (window && window.navigator && navigator.userAgent) || ''
return userAgent.match(/(Node.js|jsdom)/)
}
export const supportsCSSGrid = memoize(() => {
if (isNodeEnv() || isTestEnv()) {
return true
}
const elm = document.createElement('div')
return elm.style['grid-template-rows'] !== undefined
})
export default { isNodeEnv, isTestEnv, supportsCSSGrid }