JSPM – nestjs-drizzle@0.9.6

Package Exports

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Readme

Nest.js Drizzle

Todo List

mysql2
node-postgres
supabase
sqlite
planetscale
neon
vercel postgres
turso

npm install nestjs-drizzle

For schema

// drizzle/schemas/users.ts
import { pgTable, varchar, uuid, timestamp } from 'drizzle-orm/pg-core';

export const users = pgTable('users', {
  id: uuid('id').unique().primaryKey().defaultRandom(),

  username: varchar('name', { length: 255 }).notNull(),
  password: varchar('password', { length: 255 }).notNull(),

  // more schema
});

// drizzle/schema.ts
export * from './schemas/users.ts'

app.module.ts

import { DrizzleModule } from 'nestjs-drizzle/mysql';

@Module({
  imports: [
    // in default DrizzleModule gets url from .env DATABASE_URL
    DrizzleModule.forRoot(),
    // or
    DrizzleModule.forRoot({ connectionString: process.env.DATABASE_URL })
  ]
})

I recomend to use global.d.ts file for env type safety.

// For quering data
declare type ISchema = typeof import('your/path/schema');

declare namespace NodeJS {
  interface ProcessEnv {
    [key: string]: string | undefined;
    DATABASE_URL: string;
    // add more environment variables and their types here
  }
}

any.service.ts

import { Injectable } from "@nestjs/common";
import { DrizzleService } from "nestjs-drizzle/mysql";
import { users } from "./drizzle";
import { isNull } from "drizzle-orm";

@Injectable()
export class AppService {
  constructor(private readonly drizzle: DrizzleService<ISchema>) {}

  async getManyUsers() {
    const users = await this.drizzle.get(users, {
      id: users.id,
      username: users.username,
    });

    return users;
  }

  async getOneUser(id: string) {
    const [user] = await this.drizzle
      .get(users, {
        id: users.id,
        username: users.username,
      })
      .where(eq(users.id, id));

    return user;
  }
}

Other helper functions

// values is basicly drizzle set
this.drizzle.insert(users, values);

this.drizzle.update(users, values).where(eq(users.id, 10));
// Increment | Decrement
this.drizzle.update(users, {
  age: increment(users.age, 20)
}).where(eq(users.id, 10));

this.drizzle.delete(users).where(eq(users.id, 10));

this.drizzle.query.users.findFirst();

if you need to other features

this.drizzle.db; // main db

this.drizzle.delete(users).where(eq(users.id, 10)).prepare();

this.drizzle.insert(users, values).$dynamic;

Using query

import { DrizzleService } from "nestjs-drizzle/postgres";
import * as schema from '/your/path/schema';

@Injectable()
export class AppService {
  constructor(
    private readonly drizzle: DrizzleService<ISchema> // <- put here <ISchema>
    // or
    private readonly drizzle: DrizzleService<typeof schema> // <- or put here <typeof schema>
  ) {}

  getUsers() {
    this.drizzle.query.users.findMany({
      columns: {
        id: true,
        name: true,
      },
      limit: 10,
    });
  }
}