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import { isAbsoluteUrl, getLocationOrigin } from '../../utils'
import { hasBasePath } from '../../../../client/has-base-path'
/**
* Detects whether a given url is routable by the Next.js router (browser only).
*/
export function isLocalURL(url: string): boolean {
// prevent a hydration mismatch on href for url with anchor refs
if (!isAbsoluteUrl(url)) return true
try {
// absolute urls can be local if they are on the same origin
const locationOrigin = getLocationOrigin()
const resolved = new URL(url, locationOrigin)
return resolved.origin === locationOrigin && hasBasePath(resolved.pathname)
} catch (_) {
return false
}
}
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