Use @prisma/client.

Author: Mike Nikles

src/lib/prisma.ts

@@ -0,0 +1,4 @@
+import Prisma, * as PrismaAll from "@prisma/client";
+
+const PrismaClient = Prisma?.PrismaClient || PrismaAll?.PrismaClient;
+export default PrismaClient;

src/routes/todos/_api.ts

@@ -1,36 +1,47 @@
 import type { Request } from "@sveltejs/kit";
+import PrismaClient from "$lib/prisma";
 
-// TODO: Persist in database
-let todos: Todo[] = [];
+const prisma = new PrismaClient();
 
-export const api = (request: Request, data?: Record<string, unknown>) => {
+export const api = async (request: Request, data?: Record<string, unknown>) => {
   let body = {};
   let status = 500;
 
   switch (request.method.toUpperCase()) {
     case "GET":
-      body = todos;
+      body = await prisma.todo.findMany();
       status = 200;
       break;
     case "POST":
-      todos.push(data as Todo);
-      body = data;
+      body = await prisma.todo.create({
+        data: {
+          created_at: data.created_at as Date,
+          done: data.done as boolean,
+          text: data.text as string
+        }
+      })
       status = 201;
       break;
     case "DELETE":
-      todos = todos.filter(todo => todo.uid !== request.params.uid)
+      body = await prisma.todo.delete({
+        where: {
+          uid: request.params.uid
+        }
+      })
+      // todos = todos.filter(todo => todo.uid !== request.params.uid)
       status = 200;
       break;
     case "PATCH":
-      todos = todos.map(todo => {
-        if (todo.uid === request.params.uid) {
-          if (data.text) todo.text = data.text as string;
-          else todo.done = data.done as boolean;
+      body = await prisma.todo.update({
+        where: {
+          uid: request.params.uid
+        },
+        data: {
+          done: data.done,
+          text: data.text
         }
-        return todo;
-      });
+      })
       status = 200;
-      body = todos.find(todo => todo.uid === request.params.uid);
       break;
 
     default: