Better Auth

• Better Auth

pnpm

pnpm i better-auth

Setting Example

lib/auth.ts

import { betterAuth } from 'better-auth'
import { drizzleAdapter } from 'better-auth/adapters/drizzle'
import db from '../infra/db'

export const auth = betterAuth({
  database: drizzleAdapter(db, {
    provider: 'sqlite',
  }),
})

Schema generation & migration

pnpm

pnpm dlx @better-auth/cli@latest generate

auth-schema.ts

import { relations, sql } from 'drizzle-orm'
import { sqliteTable, text, integer, index } from 'drizzle-orm/sqlite-core'

export const user = sqliteTable('user', {
  id: text('id').primaryKey(),
  name: text('name').notNull(),
  email: text('email').notNull().unique(),
  emailVerified: integer('email_verified', { mode: 'boolean' }).default(false).notNull(),
  image: text('image'),
  createdAt: integer('created_at', { mode: 'timestamp_ms' })
    .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
    .notNull(),
  updatedAt: integer('updated_at', { mode: 'timestamp_ms' })
    .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
    .$onUpdate(() => /* @__PURE__ */ new Date())
    .notNull(),
})

export const session = sqliteTable(
  'session',
  {
    id: text('id').primaryKey(),
    expiresAt: integer('expires_at', { mode: 'timestamp_ms' }).notNull(),
    token: text('token').notNull().unique(),
    createdAt: integer('created_at', { mode: 'timestamp_ms' })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    updatedAt: integer('updated_at', { mode: 'timestamp_ms' })
      .$onUpdate(() => /* @__PURE__ */ new Date())
      .notNull(),
    ipAddress: text('ip_address'),
    userAgent: text('user_agent'),
    userId: text('user_id')
      .notNull()
      .references(() => user.id, { onDelete: 'cascade' }),
  },
  (table) => [index('session_userId_idx').on(table.userId)],
)

export const account = sqliteTable(
  'account',
  {
    id: text('id').primaryKey(),
    accountId: text('account_id').notNull(),
    providerId: text('provider_id').notNull(),
    userId: text('user_id')
      .notNull()
      .references(() => user.id, { onDelete: 'cascade' }),
    accessToken: text('access_token'),
    refreshToken: text('refresh_token'),
    idToken: text('id_token'),
    accessTokenExpiresAt: integer('access_token_expires_at', {
      mode: 'timestamp_ms',
    }),
    refreshTokenExpiresAt: integer('refresh_token_expires_at', {
      mode: 'timestamp_ms',
    }),
    scope: text('scope'),
    password: text('password'),
    createdAt: integer('created_at', { mode: 'timestamp_ms' })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    updatedAt: integer('updated_at', { mode: 'timestamp_ms' })
      .$onUpdate(() => /* @__PURE__ */ new Date())
      .notNull(),
  },
  (table) => [index('account_userId_idx').on(table.userId)],
)

export const verification = sqliteTable(
  'verification',
  {
    id: text('id').primaryKey(),
    identifier: text('identifier').notNull(),
    value: text('value').notNull(),
    expiresAt: integer('expires_at', { mode: 'timestamp_ms' }).notNull(),
    createdAt: integer('created_at', { mode: 'timestamp_ms' })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    updatedAt: integer('updated_at', { mode: 'timestamp_ms' })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .$onUpdate(() => /* @__PURE__ */ new Date())
      .notNull(),
  },
  (table) => [index('verification_identifier_idx').on(table.identifier)],
)

export const userRelations = relations(user, ({ many }) => ({
  sessions: many(session),
  accounts: many(account),
}))

export const sessionRelations = relations(session, ({ one }) => ({
  user: one(user, {
    fields: [session.userId],
    references: [user.id],
  }),
}))

export const accountRelations = relations(account, ({ one }) => ({
  user: one(user, {
    fields: [account.userId],
    references: [user.id],
  }),
}))