Storage Vault

npm install despia-native

import despia from 'despia-native';

await despia(`setvault://?key=userId&value=user123&locked=false`);

await despia(`setvault://?key=sessionToken&value=abc123&locked=true`);

const data = await despia(`readvault://?key=userId`, ['userId']);
const userId = data.userId;
console.log(userId); // "user123"

// User will see Face ID/fingerprint prompt
const data = await despia(`readvault://?key=sessionToken`, ['sessionToken']);
const token = data.sessionToken;
console.log(token); // "abc123" (only after Face ID success)

// Check if user has used trial before
async function checkIfNewUser() {
  try {
    const data = await despia(`readvault://?key=hasUsedTrial`, ['hasUsedTrial']);
    
    if (data.hasUsedTrial === 'yes') {
      console.log('User already used their trial');
      return false;
    }
  } catch (error) {
    // No data found - this is a new user
    console.log('New user, can start trial');
    await despia(`setvault://?key=hasUsedTrial&value=yes&locked=false`);
    return true;
  }
}

// Save login session
async function saveLoginSession(token) {
  await despia(`setvault://?key=loginToken&value=${token}&locked=false`);
}

// Check if user is logged in when app opens
async function checkLogin() {
  try {
    const data = await despia(`readvault://?key=loginToken`, ['loginToken']);
    
    if (data.loginToken) {
      console.log('User is logged in');
      return true;
    }
  } catch (error) {
    console.log('User needs to log in');
    return false;
  }
}

// User wants to delete their account
async function deleteAccountWithConfirmation() {
  // Store temporary confirmation key
  await despia(`setvault://?key=deleteConfirm&value=confirmed&locked=true`);
  
  // This triggers Face ID/fingerprint
  try {
    const data = await despia(`readvault://?key=deleteConfirm`, ['deleteConfirm']);
    
    if (data.deleteConfirm === 'confirmed') {
      // Face ID passed, delete account
      await deleteAccount();
      
      // Clear the confirmation key
      await despia(`setvault://?key=deleteConfirm&value=&locked=false`);
    }
  } catch (error) {
    console.log('User cancelled or Face ID failed');
  }
}

// Count how many times user opened the app
async function trackAppOpen() {
  try {
    const data = await despia(`readvault://?key=openCount`, ['openCount']);
    const count = parseInt(data.openCount || '0') + 1;
    
    await despia(`setvault://?key=openCount&value=${count}&locked=false`);
    
    if (count === 1) {
      console.log('First time opening app');
    } else {
      console.log(`App opened ${count} times`);
    }
  } catch (error) {
    await despia(`setvault://?key=openCount&value=1&locked=false`);
  }
}

async function readData(keyName) {
  try {
    const data = await despia(`readvault://?key=${keyName}`, [keyName]);
    return data[keyName];
  } catch (error) {
    console.log('Could not read data:', error);
    return null;
  }
}

await despia(`setvault://?key=deviceId&value=device123&locked=false`);

await despia(`setvault://?key=darkMode&value=true&locked=false`);

await despia(`setvault://?key=sensitiveAction&value=approved&locked=true`);

try {
  await despia(`readvault://?key=firstLaunch`, ['firstLaunch']);
  console.log('User has opened app before');
} catch {
  await despia(`setvault://?key=firstLaunch&value=done&locked=false`);
  console.log('First time user!');
}