Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | 3x 3x 1x 1x 1x 3x 2x 2x 1x 1x 1x 1x | import * as SecureStore from 'expo-secure-store';
const DEVICE_INSTALLATION_ID_KEY = 'device_installation_id';
function newInstallationID(): string {
const randomUUID = globalThis.crypto?.randomUUID?.bind(globalThis.crypto);
if (randomUUID) {
return randomUUID();
}
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (char) => {
const value = Math.floor(Math.random() * 16);
const nibble = char === 'x' ? value : (value & 0x3) | 0x8;
return nibble.toString(16);
});
}
export async function getDeviceInstallationID(): Promise<string> {
const existing = await SecureStore.getItemAsync(DEVICE_INSTALLATION_ID_KEY);
if (existing) {
return existing;
}
const installationID = newInstallationID();
await SecureStore.setItemAsync(DEVICE_INSTALLATION_ID_KEY, installationID);
return installationID;
}
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