@shopify/app-bridge-core/esm/util/env.js

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const isServer = typeof window === 'undefined';
const isClient = !isServer;
// eslint-disable-next-line ssr-friendly/no-dom-globals-in-module-scope
const isUnframed = isClient && window.navigator?.userAgent?.indexOf('Unframed') > 0;

export { isClient, isServer, isUnframed };