first commit

lib/auth-client.ts

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+import { phoneNumberClient } from "better-auth/client/plugins";
+import { createAuthClient } from "better-auth/react";
+
+export const authClient = createAuthClient({
+	baseURL: process.env.BETTER_AUTH_URL,
+	plugins: [phoneNumberClient()],
+});

lib/auth.ts

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+import { sendOtp } from "@/actions/auth-actions";
+import { PrismaClient } from "@prisma/client";
+import { betterAuth } from "better-auth";
+import { prismaAdapter } from "better-auth/adapters/prisma";
+import { phoneNumber } from "better-auth/plugins";
+
+const prisma = new PrismaClient();
+export const auth = betterAuth({
+	database: prismaAdapter(prisma, {
+		provider: "sqlite", // or "mysql", "postgresql", ...etc
+	}),
+	plugins: [
+		phoneNumber({
+			sendOTP: async ({ phoneNumber, code }) => {
+				// Implement sending OTP code via SMS
+				console.log("Send OTP in auth.ts", phoneNumber, code);
+				await sendOtp(phoneNumber, code);
+			},
+			signUpOnVerification: {
+				getTempEmail: (phoneNumber) => {
+					return `${phoneNumber}@my-site.com`;
+				},
+				//optionally you can alos pass `getTempName` function to generate a temporary name for the user
+				getTempName: (phoneNumber) => {
+					return phoneNumber; //by default it will use the phone number as the name
+				},
+			},
+		}),
+	],
+});

lib/db.ts

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+import { PrismaClient } from "@prisma/client";
+
+const prismaClientSingleton = () => {
+	return new PrismaClient();
+};
+
+type PrismaClientSingleton = ReturnType<typeof prismaClientSingleton>;
+
+const globalForPrisma = globalThis as unknown as {
+	prisma: PrismaClientSingleton | undefined;
+};
+
+const prisma = globalForPrisma.prisma ?? prismaClientSingleton();
+
+export default prisma;
+
+if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;

lib/schemas.ts

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+import { z } from "zod";
+export const signUpFormSchema = z.object({
+	name: z.string().min(2, { message: "Name is required." }),
+	id_card: z
+		.string()
+		.min(2, { message: "ID Card is required" })
+		.regex(/^[A][0-9]{6}$/, "Please enter a valid phone ID Card number."),
+	island: z.string().min(2, { message: "Island is required." }),
+	house_name: z.string().min(5, { message: "House name is required." }),
+	dob: z.coerce.date({ message: "Date of birth is required." }),
+	phoneNumber: z.string().min(7, { message: "Phone number is required." }),
+});

lib/utils.ts

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+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+	return twMerge(clsx(inputs));
+}