全栈轻量级搭配之Remix Prisma Sqlite使用分析

pnpm dlx create-remix@latest <app_name>

pnpm install prisma -g # 全局安装

prisma init --datasource-provider sqlite

DATABASE_URL="file:./dev.db"

generator client {
  provider = "prisma-client-js"
}
datasource db {
  provider = "sqlite"
  url      = env("DATABASE_URL")
}

model User {
  id    Int     @id @default(autoincrement())
  name  String
  email String  @unique
  posts Post[]
}
model Post {
  id        Int      @id @default(autoincrement())
  title     String
  content   String
  author    User?    @relation(fields: [authorId], references: [id])
  authorId  Int?
}

npx prisma migrate dev --name init

npx prisma studio

import { PrismaClient } from "@prisma/client";
let prisma: PrismaClient;
declare global {
  var __db__: PrismaClient;
}
if (process.env.NODE_ENV === "production") {
  prisma = new PrismaClient();
} else {
  if (!global.__db__) {
    global.__db__ = new PrismaClient();
  }
  prisma = global.__db__;
  prisma.$connect();
}
export { prisma };

import { prisma } from "~/db.server";
export async function getUserById(id: User["id"]) {
  return prisma.user.findUnique({ where: { id } });
}
export async function getUserByEmail(email: User["email"]) {
  return prisma.user.findUnique({ where: { email } });
}

import { createUser, getUserByEmail } from "~/models/user.server";
export const action = async ({ request }: ActionArgs) => {
    // ...
    const existingUser = await getUserByEmail(email);
    // ...
    const user = await createUser(email, password);
}

import { PrismaClient } from "@prisma/client";
const db = new PrismaClient();
async function seed() {
    // use db write data ...
}
seed();

{
  "name": "my-project",
  "version": "1.0.0",
  "prisma": {
    "seed": "ts-node prisma/seed.ts"
  },
  "devDependencies": {
    "@types/node": "^14.14.21",
    "ts-node": "^9.1.1",
    "typescript": "^4.1.3"
  }
}