keycloak_theme/src/login/pages/LoginResetPassword.tsx

import { clsx } from "keycloakify/tools/clsx";
import type { PageProps } from "keycloakify/login/pages/PageProps";
import { useGetClassName } from "keycloakify/login/lib/useGetClassName";
import type { KcContext } from "../kcContext";
import type { I18n } from "../i18n";

export default function LoginResetPassword(props: PageProps<Extract<KcContext, { pageId: "login-reset-password.ftl" }>, I18n>) {
    const { kcContext, i18n, doUseDefaultCss, Template, classes } = props;

    const { getClassName } = useGetClassName({
        doUseDefaultCss,
        classes
    });

    const { url, realm, auth, messagesPerField } = kcContext;

    const { msg, msgStr } = i18n;

    return (
        <Template
            {...{ kcContext, i18n, doUseDefaultCss, classes }}
            displayInfo
            displayMessage={!messagesPerField.existsError("username")}
            infoNode={realm.duplicateEmailsAllowed ? msg("emailInstructionUsername") : msg("emailInstruction")}
            headerNode={msg("emailForgotTitle")}
        >
            <form id="kc-reset-password-form" className={getClassName("kcFormClass")} action={url.loginAction} method="post">
                <div className={getClassName("kcFormGroupClass")}>
                    <div className={getClassName("kcLabelWrapperClass")}>
                        <label htmlFor="username" className={getClassName("kcLabelClass")}>
                            {!realm.loginWithEmailAllowed
                                ? msg("username")
                                : !realm.registrationEmailAsUsername
                                  ? msg("usernameOrEmail")
                                  : msg("email")}
                        </label>
                    </div>
                    <div className={getClassName("kcInputWrapperClass")}>
                        <input
                            type="text"
                            id="username"
                            name="username"
                            className={getClassName("kcInputClass")}
                            autoFocus
                            defaultValue={auth.attemptedUsername ?? ""}
                            aria-invalid={messagesPerField.existsError("username")}
                        />
                        {messagesPerField.existsError("username") && (
                            <span id="input-error-username" className={getClassName("kcInputErrorMessageClass")} aria-live="polite">
                                {messagesPerField.get("username")}
                            </span>
                        )}
                    </div>
                </div>
                <div className={clsx(getClassName("kcFormGroupClass"), getClassName("kcFormSettingClass"))}>
                    <div id="kc-form-options" className={getClassName("kcFormOptionsClass")}>
                        <div className={getClassName("kcFormOptionsWrapperClass")}>
                            <span>
                                <a href={url.loginUrl}>{msg("backToLogin")}</a>
                            </span>
                        </div>
                    </div>

                    <div id="kc-form-buttons" className={getClassName("kcFormButtonsClass")}>
                        <input
                            className={clsx(
                                getClassName("kcButtonClass"),
                                getClassName("kcButtonPrimaryClass"),
                                getClassName("kcButtonBlockClass"),
                                getClassName("kcButtonLargeClass")
                            )}
                            type="submit"
                            value={msgStr("doSubmit")}
                        />
                    </div>
                </div>
            </form>
        </Template>
    );
}