feat: add snjs package

packages/snjs/lib/Services/Session/Sessions/Generator.ts

@@ -0,0 +1,18 @@
+import { JwtSession } from './JwtSession'
+import { TokenSession } from './TokenSession'
+import { RawSessionPayload, RawStorageValue } from './Types'
+
+export function SessionFromRawStorageValue(raw: RawStorageValue): JwtSession | TokenSession {
+  if ('jwt' in raw) {
+    return new JwtSession(raw.jwt as string)
+  } else {
+    const rawSession = raw as RawSessionPayload
+    return new TokenSession(
+      rawSession.accessToken,
+      rawSession.accessExpiration,
+      rawSession.refreshToken,
+      rawSession.refreshExpiration,
+      rawSession.readonlyAccess,
+    )
+  }
+}