| 1 | "use client"; |
| 2 | |
| 3 | import { getFormFieldErrors } from "@better-auth-ui/core"; |
| 4 | import type { UsernameAuthClient |
| 5 | import { useAuth, useAuthPlugin |
| 6 | import { useIsUsernameAvailable } |
| 7 | import { useDebouncer } |
| 8 | import { Check, X |
| 9 | import { useState } |
| 10 | import type { AdditionalFieldProps |
| 11 | import { Field, FieldError |
| 12 | import { |
| 13 | InputGroup, |
| 14 | InputGroupAddon, |
| 15 | InputGroupInput, |
| 16 | } from "@/components/ui/input-group"; |
| 17 | import { Spinner } |
| 18 | import { usernamePlugin } |
| 19 | |
| 20 | /** Renderer for the `username` additional field. Owns availability checking, length limits, and visual indicators. `isInvalid` reflects only browser validation (minLength, required, etc.) - availability feedback is shown via the icon and `aria-label` without affecting the field's invalid state. */ |
| 21 | export function UsernameField({ |
| 22 | name, |
| 23 | field, |
| 24 | value, |
| 25 | onBlur, |
| 26 | onChange, |
| 27 | isInvalid, |
| 28 | errors, |
| 29 | isPending, |
| 30 | }: AdditionalFieldProps) |
| 31 | const { authClient, |
| 32 | useAuth<UsernameAuthClient> |
| 33 | const { |
| 34 | localization, |
| 35 | minUsernameLength, |
| 36 | maxUsernameLength, |
| 37 | isUsernameAvailable: checkAvailability, |
| 38 | usernamePrefix, |
| 39 | } = useAuthPlugin(usernamePlugin |
| 40 | |
| 41 | const currentUsername = |
| 42 | const username = |
| 43 | const [nativeError, |
| 44 | const fieldErrors = |
| 45 | |
| 46 | const { |
| 47 | mutate: requestAvailability, |
| 48 | data: availability, |
| 49 | error: availabilityError, |
| 50 | reset: resetAvailability, |
| 51 | } = useIsUsernameAvailable(authClient |
| 52 | onError: () => |
| 53 | }); |
| 54 | |
| 55 | const debouncer = |
| 56 | (next: string |
| 57 | const trimmed = |
| 58 | if (!trimmed || |
| 59 | resetAvailability(); |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | requestAvailability({ username: |
| 64 | }, |
| 65 | { wait: 500 }, |
| 66 | ); |
| 67 | |
| 68 | function handleChange(next |
| 69 | onChange(next || |
| 70 | setNativeError(undefined); |
| 71 | resetAvailability(); |
| 72 | |
| 73 | if (checkAvailability) { |
| 74 | debouncer.maybeExecute(next |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | const isCheckingAvailability = |
| 79 | !!checkAvailability && |
| 80 | !!username.trim() |
| 81 | username.trim() !== |
| 82 | |
| 83 | return ( |
| 84 | <Field data-invalid={ |
| 85 | <FieldLabel htmlFor={ |
| 86 | |
| 87 | <InputGroup> |
| 88 | {usernamePrefix && ( |
| 89 | <InputGroupAddon align=" |
| 90 | {usernamePrefix} |
| 91 | </InputGroupAddon> |
| 92 | )} |
| 93 | |
| 94 | <InputGroupInput |
| 95 | id={name} |
| 96 | name={name} |
| 97 | type="text" |
| 98 | autoComplete="username" |
| 99 | minLength={minUsernameLength} |
| 100 | maxLength={maxUsernameLength} |
| 101 | disabled={isPending} |
| 102 | required={field.required |
| 103 | readOnly={field.readOnly |
| 104 | value={username} |
| 105 | onBlur={onBlur} |
| 106 | onChange={(e) |
| 107 | onInvalid={(e) |
| 108 | e.preventDefault(); |
| 109 | const el = |
| 110 | const msg = |
| 111 | ? authLocalization.auth. |
| 112 | : el.validity. |
| 113 | ? authLocalization.auth. |
| 114 | "{{min}}", |
| 115 | String(minUsernameLength), |
| 116 | ) |
| 117 | : authLocalization.auth. |
| 118 | "{{max}}", |
| 119 | String(maxUsernameLength), |
| 120 | ); |
| 121 | setNativeError(msg); |
| 122 | }} |
| 123 | aria-invalid={isInvalid || |
| 124 | placeholder={field.placeholder |
| 125 | /> |
| 126 | |
| 127 | {isCheckingAvailability && ( |
| 128 | <InputGroupAddon |
| 129 | align="inline-end" |
| 130 | aria-label={ |
| 131 | availability?.available |
| 132 | ? localization.usernameAvailable |
| 133 | : availability?.available |
| 134 | ? localization.usernameTaken |
| 135 | : undefined |
| 136 | } |
| 137 | > |
| 138 | {availability?.available ? |
| 139 | <Check className=" |
| 140 | ) : availabilityError || |
| 141 | <X className=" |
| 142 | ) : ( |
| 143 | <Spinner /> |
| 144 | )} |
| 145 | </InputGroupAddon> |
| 146 | )} |
| 147 | </InputGroup> |
| 148 | |
| 149 | <FieldError errors={ |
| 150 | </Field> |
| 151 | ); |
| 152 | } |