glorifying login page

This commit is contained in:
onysd 2026-09-08 13:40:48 +03:00
parent e240bfbbfa
commit 2584380a80
5 changed files with 133 additions and 35 deletions

View file

@ -23,8 +23,8 @@
})();
</script>
<script type="module" crossorigin src="/assets/index-BdqgFh6n.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-pvHlBxfG.css">
<script type="module" crossorigin src="/assets/index-BDeuKnDM.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-CpFuZW_m.css">
</head>
<body>
<div id="root"></div>

View file

@ -1,5 +1,6 @@
import { ArrowLeft, Loader2 } from "lucide-react";
import type { FormEvent } from "react";
import { useEffect, useState } from "react";
import { useEffect, useRef, useState } from "react";
import { api, errorMessage } from "../api";
import { AppBackground } from "../components/AppBackground";
import { Alert } from "../components/ui";
@ -7,13 +8,17 @@ import { ThemeSwitch } from "../theme";
import type { AdminSession, PublicBranding } from "../types";
export function LoginPage({ onLogin }: { onLogin: (session: AdminSession) => void }) {
// Deliberately not pre-filled: the built-in operator is a default name, not a
// default identity, and typing it is the difference between choosing to use
// it and drifting into it. The server rejects a blank username either way.
const [username, setUsername] = useState("");
const [secret, setSecret] = useState("");
// Which field is showing. The password field mounts only on step 1, so
// there is never a submit handler wired to a "confirm" or "log in" button
// that could fire with a still-empty password field -- credentials only
// ever reach api.login once both are on screen and this has advanced.
const [step, setStep] = useState<0 | 1>(0);
const [error, setError] = useState("");
const [busy, setBusy] = useState(false);
const usernameRef = useRef<HTMLInputElement>(null);
const passwordRef = useRef<HTMLInputElement>(null);
// Whose server this is. Fetched without a session -- the name and icon are
// already public from owpengram-server's client endpoints -- and left null on
// failure so the panel simply keeps its own branding.
@ -24,11 +29,42 @@ export function LoginPage({ onLogin }: { onLogin: (session: AdminSession) => voi
api.publicBranding().then(setBranding).catch(() => undefined);
}, []);
useEffect(() => {
// preventScroll matters here: .login-wizard clips with overflow:hidden and
// is itself a scroll container, so a plain .focus() makes the browser
// scroll it to reveal the field -- fighting the translateX slide and
// leaving a stray scrollLeft behind that then desyncs every later step
// change from what the transform shows.
if (step === 1) {
passwordRef.current?.focus({ preventScroll: true });
} else {
usernameRef.current?.focus({ preventScroll: true });
}
}, [step]);
const serverName = branding?.name?.trim() || "OwpenGram";
const iconSrc = branding?.has_icon && !iconFailed ? api.publicIconURL() : "/logo.png";
function goToPassword() {
if (!username.trim()) return;
setError("");
setStep(1);
}
function goToUsername() {
setError("");
setStep(0);
}
// The form has one submit handler regardless of step, because Enter inside
// any of its text inputs fires it -- routing that here means the username
// field's Enter key advances instead of submitting a login with no password.
async function submit(event: FormEvent) {
event.preventDefault();
if (step === 0) {
goToPassword();
return;
}
setBusy(true);
setError("");
try {
@ -79,33 +115,56 @@ export function LoginPage({ onLogin }: { onLogin: (session: AdminSession) => voi
</div>
{error && <Alert>{error}</Alert>}
<form className="form-stack" onSubmit={submit}>
<label>
<span>{"Username"}</span>
<input
autoFocus
type="text"
value={username}
autoComplete="username"
spellCheck={false}
autoCapitalize="none"
// A hint, not a value: it names the built-in operator without
// filling the field in, so signing in as it stays a deliberate act.
placeholder={"owpengram"}
onChange={(event) => setUsername(event.target.value)}
/>
</label>
<label>
<span>{"Password"}</span>
<input
type="password"
value={secret}
autoComplete="current-password"
onChange={(event) => setSecret(event.target.value)}
/>
</label>
<button className="btn primary full" type="submit" disabled={busy}>
{busy ? "Logging in" : "Log in"}
</button>
<div className="login-wizard">
<div className="login-wizard-track" style={{ transform: `translateX(-${step * 100}%)` }}>
<div className="login-wizard-step" aria-hidden={step !== 0}>
<label>
<span>{"Username"}</span>
<input
ref={usernameRef}
type="text"
value={username}
autoComplete="username"
spellCheck={false}
autoCapitalize="none"
placeholder={"login"}
tabIndex={step === 0 ? undefined : -1}
onChange={(event) => setUsername(event.target.value)}
/>
</label>
</div>
<div className="login-wizard-step" aria-hidden={step !== 1}>
<label>
<span>{"Password"}</span>
<input
ref={passwordRef}
type="password"
value={secret}
autoComplete="current-password"
placeholder={"password"}
tabIndex={step === 1 ? undefined : -1}
onChange={(event) => setSecret(event.target.value)}
/>
</label>
</div>
</div>
</div>
{step === 0 ? (
<button className="btn primary full" type="submit" disabled={!username.trim()}>
{"Next"}
</button>
) : (
<div className="login-wizard-actions">
<button className="btn icon-text" type="button" onClick={goToUsername}>
<ArrowLeft size={15} />
{"Back"}
</button>
<button className="btn primary" type="submit" disabled={busy}>
{busy ? <Loader2 className="spin" size={15} /> : null}
{busy ? "Logging in" : "Log in"}
</button>
</div>
)}
</form>
</section>
</main>

View file

@ -413,6 +413,45 @@
width: 100%;
}
/* Login form: username and password are two panels of equal width, slid
horizontally by translateX on the track rather than shown/hidden, so
moving between them reads as one continuous field instead of a page
swap. The clipping .login-wizard is what makes the off-screen step
invisible; aria-hidden + tabIndex={-1} in the component keep it out of
the tab order and screen readers while it's off-screen. */
.login-wizard {
overflow: hidden;
}
.login-wizard-track {
display: flex;
transition: transform 220ms ease;
}
.login-wizard-step {
flex: 0 0 100%;
min-width: 0;
}
/* Back sits beside Log in rather than squeezed against the "Password"
label -- as a normal-height text+icon button it has a real click target
and room to breathe, instead of a 22px icon crowding the label above a
400px-wide field. */
.login-wizard-actions {
display: flex;
gap: 10px;
}
.login-wizard-actions .btn.primary {
flex: 1 1 auto;
}
@media (prefers-reduced-motion: reduce) {
.login-wizard-track {
transition: none;
}
}
.boot-screen {
display: grid;
min-height: 100vh;