import * as Updates from 'expo-updates' const mapEnvironment = ({ release, candidate, development }: { release: T candidate?: T development?: T }): T => { if (isDevelopment) { if (development) { return development } else { throw new Error('Development environment but no development handler') } } if (isCandidate) { if (candidate) { return candidate } else { throw new Error('Candidate environment but no candidate handler') } } if (isRelease) { return release } throw new Error( `Environment not set. Please set the environment in the Expo project settings.` ) } const isDevelopment = __DEV__ || ['development'].some(channel => (Updates.channel) === channel) const isCandidate = ['candidate'].some(channel => (Updates.channel) === channel ) const isRelease = ['release'].some(channel => (Updates.channel) === channel ) export { mapEnvironment, isDevelopment, isCandidate, isRelease }