@launchdarkly/react-native-client-sdk/dist/src/RNStateDetector.js

React Native LaunchDarkly SDK

import { AppState } from 'react-native';
import { ApplicationState } from './platform/ConnectionManager';
/**
 * @internal
 */
function translateAppState(state) {
    switch (state) {
        case 'active':
            return ApplicationState.Foreground;
        case 'inactive':
        case 'background':
        case 'extension':
        default:
            return ApplicationState.Background;
    }
}
/**
 * @internal
 */
export default class RNStateDetector {
    constructor() {
        AppState.addEventListener('change', (state) => {
            var _a;
            (_a = this._applicationStateListener) === null || _a === void 0 ? void 0 : _a.call(this, translateAppState(state));
        });
    }
    setApplicationStateListener(fn) {
        this._applicationStateListener = fn;
        // When you listen provide the current state immediately.
        this._applicationStateListener(translateAppState(AppState.currentState));
    }
    setNetworkStateListener(fn) {
        this._networkStateListener = fn;
        // Not implemented.
    }
    stopListening() {
        this._applicationStateListener = undefined;
        this._networkStateListener = undefined;
    }
}
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