AuthForm

1"use client";
2 
3import type { ComponentProps, FocusEvent, FormEvent, ReactNode } from "react";
4import { useEffect, useId, useRef, useState } from "react";
5import { createPortal } from "react-dom";
6 
7import { Button } from "@/components/ui/button";
8import { cn } from "@/lib/utils";
9 
10export type AuthMode = "sign-in" | "sign-up" | "reset";
11 
12export type AuthFieldName = "name" | "email" | "password";
13 
14/** Returns the failure message, or null when the value passes. */
15export type AuthValidator = (value: string) => string | null;
16 
17export interface AuthProvider {
18  id: string;
19  label: string;
20  icon?: ReactNode;
21}
22 
23export interface AuthFormValues {
24  email: string;
25  password: string;
26  /** Present in sign-up mode. */
27  name?: string;
28}
29 
30export type AuthFormProps = Omit<ComponentProps<"form">, "onSubmit"> & {
31  /** Which face the form shows. */
32  mode?: AuthMode;
33  /** Called with the field values once they pass validation. */
34  onSubmit: (values: AuthFormValues) => void;
35  /** Renders the footer swap link and enables mode switching. */
36  onModeChange?: (mode: AuthMode) => void;
37  /** Locks the fields and puts the action in its working state. */
38  isBusy?: boolean;
39  /** Structured failure message rendered above the action. */
40  error?: string | null;
41  /** Server-side verdicts pinned to fields (e.g. incorrect password). */
42  fieldErrors?: Partial<Record<AuthFieldName, string>>;
43  /**
44   * Per-field validators merged over the mode defaults — return the
45   * failure message, or null when the value passes. Use it to bring
46   * your own password policy.
47   */
48  validators?: Partial<Record<AuthFieldName, AuthValidator>>;
49  /** OAuth-style providers rendered under the divider. */
50  providers?: AuthProvider[];
51  /** Called with the provider id. */
52  onProvider?: (id: string) => void;
53  /** Renders the forgot link on the password row (sign-in only). */
54  onForgotPassword?: () => void;
55  /**
56   * The email a reset link was sent to. In reset mode this flips the
57   * form to its confirmation face.
58   */
59  resetSentTo?: string | null;
60  /** Renders the "send again" link on the confirmation face. */
61  onResend?: () => void;
62  /** Brand mark slot above the title. */
63  mark?: ReactNode;
64  title?: string;
65  description?: string;
66  /**
67   * "card" (default) draws the house surface — border, bg-card,
68   * padding. "bare" renders naked for split layouts that supply
69   * their own panel.
70   */
71  variant?: "card" | "bare";
72};
73 
74// … truncated