use global client everywhere

db/client.ts

@@ -0,0 +1,16 @@
+import { PrismaClient } from '@prisma/client'
+
+
+declare global {
+  // allow global `var` declarations
+  // eslint-disable-next-line no-var
+  var prisma: PrismaClient | undefined
+}
+
+export const prisma =
+  global.prisma ||
+  new PrismaClient({
+    log: ['query'],
+  })
+
+if (process.env.NODE_ENV !== 'production') global.prisma = prisma

db/index.ts

@@ -4,19 +4,7 @@ import { getBookedDays as calendarGetBookedDays } from '../lib/googlecalendar'
 import { uniqueFilter } from '../helpers/array'
 import { dateFormatBackend, getDays, nowInTz } from '../helpers/date'
 
-declare global {
+import { prisma } from './client'
-  // allow global `var` declarations
-  // eslint-disable-next-line no-var
-  var prisma: PrismaClient | undefined
-}
-
-export const prisma =
-  global.prisma ||
-  new PrismaClient({
-    log: ['query'],
-  })
-
-if (process.env.NODE_ENV !== 'production') global.prisma = prisma
 
 export async function getBookedDays(
   uuidsToIngore?: string[]

pages/api/auth/[...nextauth].ts

@@ -3,9 +3,8 @@ import EmailProvider from 'next-auth/providers/email'
 import GitHubProvider from 'next-auth/providers/github'
 
 import { PrismaAdapter } from "@next-auth/prisma-adapter"
-import { PrismaClient } from "@prisma/client"
 
-const prisma = new PrismaClient()
+import { prisma } from '../../../db/client';
 
 const ADMIN_EMAIL = process.env.ADMIN_EMAIL
 const GITHUB_USERS_GRANTED = ['111471']