separate MRZ data from userStore (#1187)

packages/mobile-sdk-alpha/src/client.ts

@@ -8,6 +8,7 @@ import { notImplemented } from './errors';
 import { extractMRZInfo as parseMRZInfo } from './processing/mrz';
 import { ProofContext } from './proving/internal/logging';
 import { useProvingStore } from './proving/provingMachine';
+import { useMRZStore } from './stores/mrzStore';
 import { useProtocolStore } from './stores/protocolStore';
 import { useSelfAppStore } from './stores/selfAppStore';
 import { SDKEvent, SDKEventMap, SdkEvents } from './types/events';
@@ -180,10 +181,14 @@ export function createSelfClient({
     getProtocolState: () => {
       return useProtocolStore.getState();
     },
+    getMRZState: () => {
+      return useMRZStore.getState();
+    },
 
     // for reactivity (if needed)
     useProvingStore,
     useSelfAppStore,
     useProtocolStore,
+    useMRZStore,
   };
 }

packages/mobile-sdk-alpha/src/stores/mrzStore.tsx

@@ -0,0 +1,60 @@
+// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
+
+import { create } from 'zustand';
+
+export interface MRZState {
+  // Fields needed for NFC scanning
+  passportNumber: string;
+  dateOfBirth: string;
+  dateOfExpiry: string;
+  countryCode: string;
+  documentType: string;
+
+  // Store actions
+  setMRZForNFC: (data: {
+    passportNumber: string;
+    dateOfBirth: string;
+    dateOfExpiry: string;
+    countryCode: string;
+    documentType: string;
+  }) => void;
+  clearMRZ: () => void;
+  update: (patch: Partial<MRZState>) => void;
+}
+
+// TODO: what about the defaults from @env?
+const initialState = {
+  passportNumber: '',
+  dateOfBirth: '',
+  dateOfExpiry: '',
+  countryCode: '',
+  documentType: '',
+};
+
+/*
+  Never export outside of the mobile sdk. It can cause multiple instances of the store to be created.
+ interact with the store thru the self client
+*/
+export const useMRZStore = create<MRZState>(set => ({
+  ...initialState,
+
+  setMRZForNFC: data => {
+    set({
+      passportNumber: data.passportNumber,
+      dateOfBirth: data.dateOfBirth,
+      dateOfExpiry: data.dateOfExpiry,
+      countryCode: data.countryCode,
+      documentType: data.documentType,
+    });
+  },
+
+  clearMRZ: () => {
+    set(initialState);
+  },
+
+  update: (patch: Partial<MRZState>) => {
+    set(state => ({ ...state, ...patch }));
+  },
+}));

packages/mobile-sdk-alpha/src/types/public.ts

@@ -8,6 +8,7 @@ import type { DocumentCatalog, IDDocument, PassportData } from '@selfxyz/common'
 
 import type { ProofContext } from '../proving/internal/logging';
 import { ProvingState } from '../proving/provingMachine';
+import { MRZState } from '../stores/mrzStore';
 import { ProtocolState } from '../stores/protocolStore';
 import { SelfAppState } from '../stores/selfAppStore';
 import { SDKEvent, SDKEventMap } from './events';
@@ -183,10 +184,12 @@ export interface SelfClient {
   getProvingState: () => ProvingState;
   getSelfAppState: () => SelfAppState;
   getProtocolState: () => ProtocolState;
+  getMRZState: () => MRZState;
 
   useProvingStore: ReturnType<typeof create<ProvingState, []>>;
   useSelfAppStore: ReturnType<typeof create<SelfAppState, []>>;
   useProtocolStore: ReturnType<typeof create<ProtocolState, []>>;
+  useMRZStore: ReturnType<typeof create<MRZState, []>>;
 }
 export type Unsubscribe = () => void;
 export interface StorageAdapter {