feat: document authoring

apps/web/src/app/(signing)/sign/[token]/provider.tsx

@@ -0,0 +1,63 @@
+'use client';
+
+import { createContext, useContext, useState } from 'react';
+
+export type SigningContextValue = {
+  fullName: string;
+  setFullName: (_value: string) => void;
+  email: string;
+  setEmail: (_value: string) => void;
+  signature: string | null;
+  setSignature: (_value: string | null) => void;
+};
+
+const SigningContext = createContext<SigningContextValue | null>(null);
+
+export const useSigningContext = () => {
+  return useContext(SigningContext);
+};
+
+export const useRequiredSigningContext = () => {
+  const context = useSigningContext();
+
+  if (!context) {
+    throw new Error('Signing context is required');
+  }
+
+  return context;
+};
+
+export interface SigningProviderProps {
+  fullName?: string;
+  email?: string;
+  signature?: string;
+  children: React.ReactNode;
+}
+
+export const SigningProvider = ({
+  fullName: initialFullName,
+  email: initialEmail,
+  signature: initialSignature,
+  children,
+}: SigningProviderProps) => {
+  const [fullName, setFullName] = useState(initialFullName || '');
+  const [email, setEmail] = useState(initialEmail || '');
+  const [signature, setSignature] = useState(initialSignature || null);
+
+  return (
+    <SigningContext.Provider
+      value={{
+        fullName,
+        setFullName,
+        email,
+        setEmail,
+        signature,
+        setSignature,
+      }}
+    >
+      {children}
+    </SigningContext.Provider>
+  );
+};
+
+SigningProvider.displayName = 'SigningProvider';