kysely-codegen
MikroORM
kysely-codegen | MikroORM | |
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9 | 48 | |
625 | 7,174 | |
- | 1.7% | |
8.7 | 9.9 | |
18 days ago | 4 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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kysely-codegen
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Show HN: Tsynamo – Type-friendly DynamoDB query builder for TypeScript
Hello HN! I was recently introduced to Kysely (https://github.com/kysely-org/kysely), a type-safe Typescript SQL query builder, and instantly fell in love! I got inspired and wanted to make something similar for AWS DynamoDB.
Thus, I developed Tsynamo! Instead of calling it type-safe, I decided to go with type-friendly, because the library is still in an early stage, and is not 100% type-safe.
Under the hood, Tsynamo compiles the built queries into AWS SDK v3 commands. I feel that Tsynamo simplifies the AWS SDK API quite a lot since the developer doesn't have to mess around with condition/filter expressions or attribute names/values themselves, and as a bonus gets autocompletion for building the queries!
There's also a playground to test it out in your browser: https://try.tsynamo.dev. It might not have the most up-to-date API of the library in use yet, but you can get the library's main idea from there.
Since the project is still in its early stages, it doesn't yet have 100% support for all DynamoDB features, like querying indexes. The next steps will be increasing the support coverage and perhaps adding automatic type generation as inspired by kysely-codegen (https://github.com/RobinBlomberg/kysely-codegen).
Would love to get some feedback, thanks in advance!
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Simple CQRS in NodeJS with Typescript
Querying the database (PostgreSQL) should not be ground breaking. Personally I like to have full type-safety so we can easily catch bugs during the development time without introducing any tests that are just testing the data type from our datastore to match the data type our API expects. I like to go database schema first, which means that we generate types from the database schema and work with those. Any change to the schema of the database is made with SQL migrations and after that, the typescript types are regenerated. Another approach is to use a code-first tool like TypeORM or Prisma. However in my experience such tools often produce not efficient SQL queries and are less easy to extend. In my projects I use library kysely (https://github.com/koskimas/kysely) with kysely-codegen (https://github.com/RobinBlomberg/kysely-codegen) to have a full type-safe SQL builder.
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Kysely: TypeScript SQL Query Builder
The main difference to me is that with Prisma I don't need to do any SQL to get a project up and running. I can define the tables and relations from my code or from Prisma Studio, and in one swoop I get the db structure done and the types defined.
I know my way around a database, but I'd rather not leave my code editor whenever I need to add a new column to a table.
With Kysely you have to create the DB schema, and then write the types; with every change you need, you gotta do both again.
(At least this seems true by default; as the project's readme mentions, there is a code generator[1] to generate the types from the DB schema; not quite the same but at least it's better than nothing.)
Commenters say that writing complex queries with Kysely is easier, which makes me wonder if I could use Prisma except for those, since Kysely should be able to just generate the SQL query for me to handle to Prisma...
[1]: https://github.com/RobinBlomberg/kysely-codegen
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Allow Cloudflare D1 to be used like an O/R mapper with type-safe
kysely kysely-codegen kysely-d1 allows access to D1 while using SQL Builder.
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Well, shit. Objection.js has been sunset, which ORM/querybuilder did you move to?
For what it's worth, I've been using kysely-codegen to generate the types based on the database schema and it's been working great for me.
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ADVICE WANTED - Typescript PostgreSQL without ORM
I dislike ORMs and have been using Kysely https://github.com/koskimas/kysely and https://github.com/RobinBlomberg/kysely-codegen for a small project and so far I love it. It's a mapper/query builder that is equivalent to Dapper in C# (without the query builder) but with the power of typescript's type system to enforce proper queries. You can also bypass something with the sql to write raw SQL.
- The PlanetScale serverless driver for JavaScript
- Closest library/setup/configuration to JOOQ?
MikroORM
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Rust GraphQL APIs for NodeJS Developers: Introduction
In my usual NodeJS tech stack, which includes GraphQL, NestJS, SQL (predominantly PostgreSQL with MikroORM), I encountered these limitations. To overcome them, I've developed a new stack utilizing Rust, which still offers some ease of development:
- MikroORM 6: Polished – MikroORM
- I Hate NestJS
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What's wrong with Node.js ORMs? Thousands of issues? Why?
https://www.npmjs.com/package/mikro-orm - 44 issues
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Top 6 ORMs for Modern Node.js App Development
Mikro-ORM is a TypeScript ORM that focuses on simplicity and efficiency. It supports various SQL databases and MongoDB. Mikro-ORM is known for its simplicity and developer-friendly APIs. It provides a concise syntax for defining data models and relationships, making it easy to use.
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We migrated to SQL. Our biggest learning? Don't use Prisma
I found MikroORM [0] to be quite reasonable if you're in the TS ecosystem already. It was also easy to do custom, raw queries, and really just felt like it wasn't in the way.
[0] https://mikro-orm.io/
- Mikro-ORM – TypeScript ORM for Node.js
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The Epic Stack by Kent C. Dodds
It also does code generation into its own module, so good luck with hoisting in a monorepo where you want multiple independent prisma schemas. MikroORM[1] is a much better alternative to Prisma in my opinion but any ORM carries some form of baggage.
[1] https://mikro-orm.io/
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MikroORM v6 gets a strict partial loading support
More about v6 development can be found here.
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Announcing a new TypeScript ORM
I recommend looking at https://mikro-orm.io/
What are some alternatives?
Prisma - Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
Knex - A query builder for PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3 and Oracle, designed to be flexible, portable, and fun to use.
TypeORM - ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.
slonik - A Node.js PostgreSQL client with runtime and build time type safety, and composable SQL.
Mongoose - MongoDB object modeling designed to work in an asynchronous environment.
kysely-data-api
Sequelize - Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.
kysely - A type-safe typescript SQL query builder [Moved to: https://github.com/kysely-org/kysely]
drizzle-orm - Headless TypeScript ORM with a head. Runs on Node, Bun and Deno. Lives on the Edge and yes, it's a JavaScript ORM too 😅
ts-sql-query - Type-safe SQL query builder like QueryDSL or JOOQ in Java or Linq in .Net for TypeScript with MariaDB, MySql, Oracle, PostgreSql, Sqlite and SqlServer support.
prisma-examples - 🚀 Ready-to-run Prisma example projects