Differential D6949 Diff 23408 native/components/feature-flags-provider.react.js

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native/components/feature-flags-provider.react.js

	// @flow			// @flow

	import * as React from 'react';			import * as React from 'react';
				import { Platform } from 'react-native';

				import { fetchFeatureFlags } from 'lib/utils/feature-flags-utils.js';
				import { useIsCurrentUserStaff } from 'native/utils/staff-utils.js';

				import { codeVersion } from '../redux/persist.js';

	type FeatureFlagsConfiguration = {			type FeatureFlagsConfiguration = {
	+[feature: string]: boolean,			+[feature: string]: boolean,
	};			};

	type FeatureFlagsContextType = {			type FeatureFlagsContextType = {
	+configuration: FeatureFlagsConfiguration,			+configuration: FeatureFlagsConfiguration,
	+loaded: boolean,			+loaded: boolean,
	};			};

	const defaultContext = {			const defaultContext = {
	configuration: {},			configuration: {},
	loaded: false,			loaded: false,
	};			};

	const FeatureFlagsContext: React.Context<FeatureFlagsContextType> =			const FeatureFlagsContext: React.Context<FeatureFlagsContextType> =
	React.createContext<FeatureFlagsContextType>(defaultContext);			React.createContext<FeatureFlagsContextType>(defaultContext);

	type Props = {			type Props = {
	+children: React.Node,			+children: React.Node,
	};			};
	function FeatureFlagsProvider(props: Props): React.Node {			function FeatureFlagsProvider(props: Props): React.Node {
	const { children } = props;			const { children } = props;
				const isStaff = useIsCurrentUserStaff();

				const [featuresConfig, setFeaturesConfig] = React.useState(defaultContext);
				React.useEffect(() => {
				(async () => {
				try {
				const config = await fetchFeatureFlags(
				Platform.OS,
				isStaff,
				codeVersion,
				);
				const configuration = {};
				for (const feature of config.enabledFeatures) {
				configuration[feature] = true;
				}
				setFeaturesConfig({
				configuration,
				loaded: true,
				});
				} catch (e) {
				console.error('Feature flag retrieval failed:', e);
				}
				})();
				}, [isStaff]);

	return (			return (
	<FeatureFlagsContext.Provider value={defaultContext}>			<FeatureFlagsContext.Provider value={featuresConfig}>
	{children}			{children}
	</FeatureFlagsContext.Provider>			</FeatureFlagsContext.Provider>
	);			);
	}			}

	export { FeatureFlagsContext, FeatureFlagsProvider };			export { FeatureFlagsContext, FeatureFlagsProvider };