var random try { random = require('expo-random') } catch (e) { throw new Error( 'React-Native does not have a built-in secure random generator. ' + 'Install `expo-random` locally or ' + 'if you don’t need unpredictable IDs, you can use `nanoid/non-secure`.' ) } module.exports = function (bytes) { return random.getRandomBytesAsync(bytes) }