How to mock `window` and `window.location.href` when unit testing a function that relies on `window` and `window.location.href`?

1

jsdom

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Export const useLanguageInternal = (window: { location: { href: string } }) => (siteUrl: string): string => { const currentUrl = typeof window !== "undefined" ? window.location.href : siteUrl const regex = new RegExp(`^https://example.com/es/.*$`, "gi") const httpsCurrentUrl = currentUrl.replace(/^http:\/\//, "https://") return regex.test(httpsCurrentUrl) ? "es" : "en" } Export const useLanguage = useLanguageInternal(typeof window !== "undefined" ? Window : undefined).

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