@tanstack/offline-transactions
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Offline-first transaction capabilities for TanStack DB
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{"version":3,"file":"ReactNativeOnlineDetector.cjs","sources":["../../../src/connectivity/ReactNativeOnlineDetector.ts"],"sourcesContent":["import NetInfo from '@react-native-community/netinfo'\nimport { AppState } from 'react-native'\nimport type { AppStateStatus, NativeEventSubscription } from 'react-native'\nimport type { OnlineDetector } from '../types'\n\n/**\n * React Native online detector that uses RN APIs.\n * Listens for:\n * - Network connectivity changes via `@react-native-community/netinfo`\n * - App state changes (foreground/background) via `AppState`\n */\nexport class ReactNativeOnlineDetector implements OnlineDetector {\n private listeners: Set<() => void> = new Set()\n private netInfoUnsubscribe: (() => void) | null = null\n private appStateSubscription: NativeEventSubscription | null = null\n private isListening = false\n private wasConnected = true\n\n constructor() {\n this.startListening()\n }\n\n private startListening(): void {\n if (this.isListening) {\n return\n }\n\n this.isListening = true\n\n if (typeof NetInfo.fetch === `function`) {\n void NetInfo.fetch()\n .then((state) => {\n this.wasConnected = this.toConnectivityState(state)\n })\n .catch(() => {\n // Ignore initial fetch failures and rely on subscription updates.\n })\n }\n\n // Subscribe to network state changes\n this.netInfoUnsubscribe = NetInfo.addEventListener((state) => {\n const isConnected = this.toConnectivityState(state)\n\n // Only notify when transitioning to online\n if (isConnected && !this.wasConnected) {\n this.notifyListeners()\n }\n\n this.wasConnected = isConnected\n })\n\n // Subscribe to app state changes (foreground/background)\n this.appStateSubscription = AppState.addEventListener(\n `change`,\n this.handleAppStateChange,\n )\n }\n\n private handleAppStateChange = (nextState: AppStateStatus): void => {\n // Notify when app becomes active (foreground)\n if (nextState === `active`) {\n this.notifyListeners()\n }\n }\n\n private stopListening(): void {\n if (!this.isListening) {\n return\n }\n\n this.isListening = false\n\n if (this.netInfoUnsubscribe) {\n this.netInfoUnsubscribe()\n this.netInfoUnsubscribe = null\n }\n\n if (this.appStateSubscription) {\n this.appStateSubscription.remove()\n this.appStateSubscription = null\n }\n }\n\n private notifyListeners(): void {\n for (const listener of this.listeners) {\n try {\n listener()\n } catch (error) {\n console.warn(`ReactNativeOnlineDetector listener error:`, error)\n }\n }\n }\n\n subscribe(callback: () => void): () => void {\n this.listeners.add(callback)\n\n return () => {\n this.listeners.delete(callback)\n\n if (this.listeners.size === 0) {\n this.stopListening()\n }\n }\n }\n\n notifyOnline(): void {\n this.notifyListeners()\n }\n\n isOnline(): boolean {\n return this.wasConnected\n }\n\n dispose(): void {\n this.stopListening()\n this.listeners.clear()\n }\n\n private toConnectivityState(state: {\n isConnected: boolean | null\n isInternetReachable: boolean | null\n }): boolean {\n return !!state.isConnected && state.isInternetReachable !== false\n }\n}\n"],"names":["AppState"],"mappings":";;;;AAWO,MAAM,0BAAoD;AAAA,EAO/D,cAAc;AANd,SAAQ,gCAAiC,IAAA;AACzC,SAAQ,qBAA0C;AAClD,SAAQ,uBAAuD;AAC/D,SAAQ,cAAc;AACtB,SAAQ,eAAe;AA0CvB,SAAQ,uBAAuB,CAAC,cAAoC;AAElE,UAAI,cAAc,UAAU;AAC1B,aAAK,gBAAA;AAAA,MACP;AAAA,IACF;AA5CE,SAAK,eAAA;AAAA,EACP;AAAA,EAEQ,iBAAuB;AAC7B,QAAI,KAAK,aAAa;AACpB;AAAA,IACF;AAEA,SAAK,cAAc;AAEnB,QAAI,OAAO,QAAQ,UAAU,YAAY;AACvC,WAAK,QAAQ,MAAA,EACV,KAAK,CAAC,UAAU;AACf,aAAK,eAAe,KAAK,oBAAoB,KAAK;AAAA,MACpD,CAAC,EACA,MAAM,MAAM;AAAA,MAEb,CAAC;AAAA,IACL;AAGA,SAAK,qBAAqB,QAAQ,iBAAiB,CAAC,UAAU;AAC5D,YAAM,cAAc,KAAK,oBAAoB,KAAK;AAGlD,UAAI,eAAe,CAAC,KAAK,cAAc;AACrC,aAAK,gBAAA;AAAA,MACP;AAEA,WAAK,eAAe;AAAA,IACtB,CAAC;AAGD,SAAK,uBAAuBA,YAAAA,SAAS;AAAA,MACnC;AAAA,MACA,KAAK;AAAA,IAAA;AAAA,EAET;AAAA,EASQ,gBAAsB;AAC5B,QAAI,CAAC,KAAK,aAAa;AACrB;AAAA,IACF;AAEA,SAAK,cAAc;AAEnB,QAAI,KAAK,oBAAoB;AAC3B,WAAK,mBAAA;AACL,WAAK,qBAAqB;AAAA,IAC5B;AAEA,QAAI,KAAK,sBAAsB;AAC7B,WAAK,qBAAqB,OAAA;AAC1B,WAAK,uBAAuB;AAAA,IAC9B;AAAA,EACF;AAAA,EAEQ,kBAAwB;AAC9B,eAAW,YAAY,KAAK,WAAW;AACrC,UAAI;AACF,iBAAA;AAAA,MACF,SAAS,OAAO;AACd,gBAAQ,KAAK,6CAA6C,KAAK;AAAA,MACjE;AAAA,IACF;AAAA,EACF;AAAA,EAEA,UAAU,UAAkC;AAC1C,SAAK,UAAU,IAAI,QAAQ;AAE3B,WAAO,MAAM;AACX,WAAK,UAAU,OAAO,QAAQ;AAE9B,UAAI,KAAK,UAAU,SAAS,GAAG;AAC7B,aAAK,cAAA;AAAA,MACP;AAAA,IACF;AAAA,EACF;AAAA,EAEA,eAAqB;AACnB,SAAK,gBAAA;AAAA,EACP;AAAA,EAEA,WAAoB;AAClB,WAAO,KAAK;AAAA,EACd;AAAA,EAEA,UAAgB;AACd,SAAK,cAAA;AACL,SAAK,UAAU,MAAA;AAAA,EACjB;AAAA,EAEQ,oBAAoB,OAGhB;AACV,WAAO,CAAC,CAAC,MAAM,eAAe,MAAM,wBAAwB;AAAA,EAC9D;AACF;;"}