Adapt new Prisma TS engine

Author: samchon

package.json

@@ -87,6 +87,7 @@
     "@nestjs/common": "^11.1.6",
     "@nestjs/core": "^11.1.6",
     "@nestjs/platform-express": "^11.1.6",
+    "@prisma/adapter-pg": "^6.16.2",
     "@prisma/client": "^6.16.1",
     "dotenv": "^16.3.1",
     "dotenv-expand": "^10.0.0",

prisma/schema/main.prisma

@@ -1,7 +1,7 @@
 generator client {
   provider        = "prisma-client-js"
+  engineType      = "client"
   previewFeatures = ["postgresqlExtensions", "views"]
-  binaryTargets   = ["native"]
 }
 
 datasource db {

src/MyGlobal.ts

@@ -1,9 +1,39 @@
+import { PrismaPg } from "@prisma/adapter-pg";
 import { PrismaClient } from "@prisma/client";
 import dotenv from "dotenv";
 import dotenvExpand from "dotenv-expand";
 import { Singleton } from "tstl";
 import typia from "typia";
 
+interface IEnvironments {
+  MODE: "local" | "dev" | "real";
+  API_PORT: `${number}`;
+  SYSTEM_PASSWORD: string;
+
+  POSTGRES_URL: string;
+  POSTGRES_HOST: string;
+  POSTGRES_PORT: `${number}`;
+  POSTGRES_DATABASE: string;
+  POSTGRES_SCHEMA: string;
+  POSTGRES_USERNAME: string;
+  POSTGRES_USERNAME_READONLY: string;
+  POSTGRES_PASSWORD: string;
+}
+const envSingleton = new Singleton(() => {
+  const env = dotenv.config();
+  dotenvExpand.expand(env);
+  return typia.assert<IEnvironments>(process.env);
+});
+const prismaSingleton = new Singleton(
+  () =>
+    new PrismaClient({
+      adapter: new PrismaPg(
+        { connectionString: envSingleton.get().POSTGRES_URL },
+        { schema: envSingleton.get().POSTGRES_SCHEMA },
+      ),
+    }),
+);
+
 /**
  * Global variables of the server.
  *
@@ -12,10 +42,11 @@ import typia from "typia";
 export class MyGlobal {
   public static testing: boolean = false;
 
-  public static readonly prisma: PrismaClient = new PrismaClient();
-
+  public static get prisma(): PrismaClient {
+    return prismaSingleton.get();
+  }
   public static get env(): IEnvironments {
-    return environments.get();
+    return envSingleton.get();
   }
 
   /**
@@ -26,7 +57,7 @@ export class MyGlobal {
    *   - real: The server is for the real service.
    */
   public static get mode(): "local" | "dev" | "real" {
-    return (modeWrapper.value ??= environments.get().MODE);
+    return (modeWrapper.value ??= envSingleton.get().MODE);
   }
 
   /**
@@ -39,28 +70,8 @@ export class MyGlobal {
     modeWrapper.value = mode;
   }
 }
-interface IEnvironments {
-  MODE: "local" | "dev" | "real";
-  API_PORT: `${number}`;
-  SYSTEM_PASSWORD: string;
-
-  POSTGRES_HOST: string;
-  POSTGRES_PORT: `${number}`;
-  POSTGRES_DATABASE: string;
-  POSTGRES_SCHEMA: string;
-  POSTGRES_USERNAME: string;
-  POSTGRES_USERNAME_READONLY: string;
-  POSTGRES_PASSWORD: string;
-}
 
 interface IMode {
   value?: "local" | "dev" | "real";
 }
-
 const modeWrapper: IMode = {};
-
-const environments = new Singleton(() => {
-  const env = dotenv.config();
-  dotenvExpand.expand(env);
-  return typia.assert<IEnvironments>(process.env);
-});

src/executable/schema.ts

@@ -1,3 +1,4 @@
+import { PrismaPg } from "@prisma/adapter-pg";
 import { PrismaClient } from "@prisma/client";
 
 import { MyGlobal } from "../MyGlobal";
@@ -11,11 +12,12 @@ async function execute(
 ): Promise<void> {
   try {
     const prisma = new PrismaClient({
-      datasources: {
-        db: {
-          url: `postgresql://${username}:${password}@${MyGlobal.env.POSTGRES_HOST}:${MyGlobal.env.POSTGRES_PORT}/${database}`,
+      adapter: new PrismaPg(
+        {
+          connectionString: `postgresql://${username}:${password}@${MyGlobal.env.POSTGRES_HOST}:${MyGlobal.env.POSTGRES_PORT}/${database}?schema=${MyGlobal.env.POSTGRES_SCHEMA}`,
         },
-      },
+        { schema: MyGlobal.env.POSTGRES_SCHEMA },
+      ),
     });
     const queries: string[] = script
       .split("\n")