Save auth in localstorage and use it

Also consistently call it "email".

src/App.tsx

@@ -7,18 +7,28 @@ import AuthModal from "./AuthModal";
 import React, { useEffect, useState } from "react";
 
 interface IAuth {
+	email: string;
 	password: string;
-	username: string;
 }
 
 const App = () => {
 	const [state, setInternalState] = useState<IAuth | null>(null);
 
-	const doLogin = (email: string, password: string) => {
-		const domain = email.split("@")[1];
+	// When the user provides credentials
+	const onLogin = (email: string, password: string) => {
+		// Store the provided credentials for now
+		const auth = {email: email, password: password}
+		setInternalState(auth);
+		localStorage.setItem("auth", JSON.stringify(auth));
+		doLogin(auth);
+	};
+
+	// Make the request to get system metadata
+	const doLogin = (auth: IAuth) => {
+		const domain = auth.email.split("@")[1];
 		const well_known_url = "https://" + domain + "/.well-known/jmap"
 		let headers = new Headers();
-		headers.append("Authorization", "Basic " + base64.encode(email + ":" + password));
+		headers.append("Authorization", "Basic " + base64.encode(auth.email + ":" + auth.password));
 		fetch(well_known_url, {
 			method: "GET",
 			headers: headers,
@@ -27,24 +37,22 @@ const App = () => {
 			.then(data => console.log(data))
 			.catch(error => console.error(error));
 	};
-	const loadAuth = () => {
-		const auth = localStorage.getItem("auth");
-		if (!auth) return;
-		setInternalState(JSON.parse(auth));
-	};
 
-	const setState = (auth: IAuth) => {
-		localStorage.setItem("auth", JSON.stringify(auth));
+	const loadAuth = () => {
+		const data = localStorage.getItem("auth");
+		if (!data) return;
+		const auth = JSON.parse(data);
+		setInternalState(auth);
+		doLogin(auth);
 	};
 
 	useEffect(() => {
 		loadAuth();
-		//fetchUserData()
 	}, []);
 
 	return (
 		<div className="App">
-			{state ? <p>{state.username}</p> : <AuthModal doLogin={doLogin}></AuthModal>}
+			{state ? <p>{state.email}</p> : <AuthModal onLogin={onLogin}></AuthModal>}
 		</div>
 	);
 };

src/AuthModal.tsx

@@ -5,10 +5,10 @@ import Modal from "react-bootstrap/Modal"
 import React, {useState} from "react"
 
 type AuthProps = {
-  doLogin: (email: string, password: string) => void;
+  onLogin: (email: string, password: string) => void;
 }
 
-const AuthModal: React.FC<AuthProps> = ({ doLogin }) => {
+const AuthModal: React.FC<AuthProps> = ({ onLogin }) => {
 	const [email, setEmail] = useState("");
 	const [password, setPassword] = useState("");
 
@@ -23,7 +23,7 @@ const AuthModal: React.FC<AuthProps> = ({ doLogin }) => {
 				</Modal.Header>
 
 				<Modal.Body>
-					<Form onSubmit={(e) => {e.preventDefault(); doLogin(email, password)}}>
+					<Form onSubmit={(e) => {e.preventDefault(); onLogin(email, password)}}>
 						<Form.Group className="mb-3" controlId="formBasicEmail">
 							<Form.Label>Email address</Form.Label>
 							<Form.Control type="email" placeholder="Enter email" onChange={e => setEmail(e.target.value)}/>