Deep Link Provider (providers/DeepLinkProvider.tsx)

React context provider that registers and dispatches Expo deep-link handlers by path, enabling screens to handle incoming URLs. Reuse for centralized deep-link routing in Expo apps.

// Source: https://github.com/polarsource/polar | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
import * as Linking from 'expo-linking'
import { useRouter } from 'expo-router'
import {
  createContext,
  useCallback,
  useContext,
  useEffect,
  useRef,
} from 'react'

type DeepLinkHandler = (url: URL) => boolean | void

interface DeepLinkContextValue {
  registerHandler: (path: string, handler: DeepLinkHandler) => () => void
}

const DeepLinkContext = createContext<DeepLinkContextValue>({
  registerHandler: () => () => {},
})

export const useDeepLinks = () => useContext(DeepLinkContext)

export default function DeepLinkProvider({
  children,
}: {
  children: React.ReactNode
}) {

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