neoprint.createSession()

Create a session manager for cross-session fingerprint persistence.

Signature

function createSession(options?: {
  storage?: 'localStorage' | 'sessionStorage' | 'indexeddb' | 'cookie'
  fallback?: boolean
}): SessionManager

SessionManager Methods

identify(fp)

Attempt to link current visit to a previous session.

const session = neoprint.createSession({ storage: 'indexeddb', fallback: true })
const fp = await neoprint.get()
const link = await session.identify(fp)

Returns:

interface SessionLink {
  previousId?: string               // previous fingerprint ID
  confidence: number                // 1.0 from storage, fp.confidence from fingerprint
  method: 'fingerprint' | 'storage' | 'hybrid'
}

clear()

Remove all stored session data.

await session.clear()

Details

See Session Linking guide for fallback behavior and lifecycle integration.