Edit seed db function

prisma/seed/create/createNewUsers.ts

@@ -0,0 +1,35 @@
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { faker } from '@faker-js/faker';
+import DBClient from '../../DBClient';
+
+interface CreateNewUsersArgs {
+  numberOfUsers: number;
+}
+
+const createNewUsers = async ({ numberOfUsers }: CreateNewUsersArgs) => {
+  const prisma = DBClient.instance;
+  const userPromises = [];
+  // eslint-disable-next-line no-plusplus
+  for (let i = 0; i < numberOfUsers; i++) {
+    const firstName = faker.name.firstName();
+    const lastName = faker.name.lastName();
+    const username = `${firstName[0]}.${lastName}`;
+    const email = faker.internet.email(firstName, lastName, 'example.com');
+    const dateOfBirth = faker.date.birthdate({ mode: 'age', min: 19 });
+
+    userPromises.push(
+      prisma.user.create({
+        data: {
+          firstName,
+          lastName,
+          email,
+          username,
+          dateOfBirth,
+        },
+      }),
+    );
+  }
+  return Promise.all(userPromises);
+};
+
+export default createNewUsers;