Matteo Collina @matteocollina Twitter profile

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Matteo Collina

26 days

With Node.js usage growing by almost 40% year on year, the demand for a unified solution to simplify and streamline Node.js development is clear. In our latest @platformatic release, we're addressing key Node.js development pain points

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Matteo Collina

@matteocollina

2 years

Are you in trouble hiring software engineers? Hire them in Nigeria. Everyone that is figuring out how to do this will have a massive advantage in the talent war.

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Matteo Collina

@matteocollina

27 days

We are rewriting @nodejs in @typescript

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Matteo Collina

@matteocollina

2 years

fetch() has shipped in Node and now people are complaining that it does not work like node-fetch 🤦‍♂️. However, EVERYBODY said they wanted more standard-compliant APIs from Node.js.

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Matteo Collina

@matteocollina

1 year

Douglas Crockford does not go light on all the additions to JavaScript and we program for the Web today.

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Matteo Collina

@matteocollina

4 years

Don't trust any software architect that do not write code anymore.

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Matteo Collina

@matteocollina

2 years

The most disregarded principle of Software Architecture is extremely simple: Code that change together should stay together.

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Matteo Collina

@matteocollina

3 years

I'm stunned by how simple my @nodejs http client 'Undici' has become. It's also twice as fast of the old 'http' module in core. It's stable, and you should use it right now.

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Matteo Collina

@matteocollina

2 years

Redis is the “get out of jail” card of all Software Architect. The time I spent studying and learning how to use it shaped a good part of my career.

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Matteo Collina

@matteocollina

2 years

We are cooking something new for @nodejs v18. It has been a long time in the making (!) and I’m really super excited about it. Hint: you have been all asking for this for years.

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Matteo Collina

@matteocollina

2 years

Something recently clicked. Developer Experience is a part of Software Architecture.

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Matteo Collina

@matteocollina

3 years

If you are the CEO of a company and you complain that @nodejs (or any other Open Source project) is lacking a certain feature, you are implicitly saying that you do not want to allocate any budget to the maintenance of a key piece of the platform you rely on. You should do better

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Matteo Collina

@matteocollina

2 years

The recommendation I give everybody starting up in tech is: read the source. Are you using a library that you like? Read it. Have you got a bug you can’t solve? Read the source of the dependencies. Somebody is pitching a framework as magical? Read it. No matter what, read code.

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Matteo Collina

@matteocollina

3 years

Node.js v16 is coming and the biggest news is that it ships with a fat binary for MacOS... you’ll soon have a native build for those fast M1s!

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Matteo Collina

@matteocollina

9 months

TypeScript is growing a bit in me, I find it great satisfaction when everything is typed. However, how do you justify spending an afternoon to get a type right, while you can slap an any on it?

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Matteo Collina

@matteocollina

5 months

Call me a junior

Parsa

@ParsaNasirimehr

5 months

@ThePrimeagen Let me try: Using print statements in code instead of using the debugger means your job title shouldn't be above Junior.

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Matteo Collina

@matteocollina

4 years

Using "WTF" in issues on Github is really disrespectful. I really do not understand why these people are so upset for something that is free?

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Matteo Collina

@matteocollina

20 days

Imagine having one of the most recognizable logos in the database ecosystem. And then changing it to something anonymous.

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Matteo Collina

@matteocollina

2 years

I’m quite surprised a significant part of the industry does not write automated tests or find them useful. They are a fundamental design tool for me and I almost can’t code without. Do you write tests?

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Matteo Collina

@matteocollina

2 years

If your SSR takes longer than 200ms (I'm generous), it's better to render on the client.

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Matteo Collina

@matteocollina

2 years

According to the State of JavaScript, @fastifyjs is the @nodejs backend framework with higher developer satisfaction. I'm extremely proud of what we achieved as a team.

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Matteo Collina

@matteocollina

3 years

> What have you done this week? I made @nodejs HTTP server almost 20% faster. (I’m omitting the fact that the 20% was actually there before and we lost it between v14 and v16-pre). Anyway, I’m proud 🎉🎉🎉

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Matteo Collina

@matteocollina

4 years

Turns out (website) is built using @nodejs ❤️

Kevin Wolf

@kevinwolfcr

4 years

Deno relies on @vercel GitHub integration. 😍

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Matteo Collina

@matteocollina

2 years

I'm not always excited by a new minor release of @nodejs . This time I am and you should too! Node.js v18.11.0 ships quite a few new features. Let's unpack them.

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Matteo Collina

@matteocollina

3 months

Quite a few people have asked me what HTTP client I recommend for Node.js. In concert with my frriend @ArrowoodTech , we have prepared a benchmark for you to decide.

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Matteo Collina

@matteocollina

5 years

I’m a Technical Director @NearForm now! 😱🚀🎉

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Matteo Collina

@matteocollina

3 years

. @nodejs is fast and easy to use. The fact that your JavaScript libraries are either 1) buggy 2) slow is not a problem of JavaScript. Simply put, those libraries are not well written. Rewriting everything in another language is unlikely to solve either problems.

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Matteo Collina

@matteocollina

3 years

I’m the proud father of baby Zoe! 😍

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Matteo Collina

@matteocollina

8 months

@jessfraz A few reasons: 1. Node.js has no budget of its own, and npm is maintained by a tiny team. Most of the investment being made are in adding capabilities or things more secure, not making things faster. (Making things faster does not make anyone more money, it’s abit of tragedy of…

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Matteo Collina

@matteocollina

3 years

The best way for you to have a bug fixed in a Open Source library is to… 🥁fix it yourself and send a PR! 🎉🎉

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Matteo Collina

@matteocollina

2 years

. @v8js surprised me again today! I've received a casual PR to one of my modules. The pattern I have been using to instantiate new objects in JS could be drastically improved. is a thing and it's incredibly fast.

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Matteo Collina

@matteocollina

2 years

Most teams do not know how to manage a @nodejs application at scale regarding memory. Here is a simple fact: V8 GC will consume all memory that it has available. Configure a memory limit and do not recycle your instance if it hits 80% of memory usage - it's totally normal.

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Matteo Collina

@matteocollina

1 year

Yesterday in my stream I was asked why I'm not using jest to test Node.js applications. Here is the quick explanation: an Error is not an instance of Error.

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Matteo Collina

@matteocollina

2 years

In case you forget: never cache JavaScript promises.

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Matteo Collina

@matteocollina

1 month

CORS is my goto interview question

Salma

@whitep4nth3r

1 month

no one knows CORS

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Matteo Collina

@matteocollina

4 years

I’m 36 🎂!

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Matteo Collina

@matteocollina

2 years

I think something we should revist is @nodejs shipping its own Types instead of downloading them from DefinitelyTyped.

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Matteo Collina

@matteocollina

3 years

Random Dev on Github: "How many years devs should wait for this feature?" Me: As long as somebody implements it. Are you volunteering?

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Matteo Collina

@matteocollina

2 years

Big life update! Today is my last day as @NearForm Chief Software Architect. NearForm is the best professional services company in the world and an amazing place to work at.

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Matteo Collina

@matteocollina

3 years

Repeat with me: I will not use @nodejs v6 in production.

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Matteo Collina

@matteocollina

10 days

Open Source does not mean free support for your product or clients.

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Matteo Collina

@matteocollina

3 years

I have become a meme. Watch till the end 😍. (This is likely the highest peak of my career, I should probably retire now) cc @fastifyjs

nader dabit

@dabit3

3 years

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Matteo Collina

@matteocollina

3 years

I’ve spent the last hour with my daughter (1 day) sleeping in my arms. I’m totally in love.

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Matteo Collina

@matteocollina

3 months

To whom it may concern: if you complain that Node.js is slow and you have not invested a dime in improving it…. hear this: Node.js is built by volunteers. Bugs don’t get magically fixed, as much as money does not grow on trees. Invest in the commons.

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Matteo Collina

@matteocollina

2 years

. @deno_land is now supporting npm. I’m really glad they had a massive change-of-heart regarding npm and @nodejs . I’m thrilled! This means all the stuff I built is now available there too! We should get @fastifyjs supported soon.

Big Changes Ahead for Deno

Learnings from our recent survey and feedback from across our community. We'll discuss how we're addressing this feedback and the features to expect from Deno in the coming months.

deno.com

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Matteo Collina

@matteocollina

4 years

Node.js is currently helping companies generating BILLIONS. I'm pretty proud of all @nodejs core collaborators :).

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Matteo Collina

@matteocollina

2 years

I'm proud to announce that @platformatic first tool is now Open Source: Platformatic DB! It creates REST and GraphQL APIs from your database schemas, keeping it customizable via @fastifyjs plugins.

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Matteo Collina

@matteocollina

3 years

A lot of folks consider Node.js a product. It’s not. It’s an OSS community that maintains a JS runtime. If you want something to happen, come and contribute.

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Matteo Collina

@matteocollina

4 years

Software developer spend most of their time reading code, not writing it.

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Matteo Collina

@matteocollina

9 months

One of the fundamental principles of OSS is that *you* are the last maintainer of all OSS you use. This means that if your OSS dependencies fail, you should be ready to take over. Today there are very few companies in the world that can afford that. Therefore it’s in your best…

@[email protected] 🐍🦀🐪💎☕️🐧🐘🌲

@_msw_

9 months

Unpopular opinion: one is doing nothing wrong when using Free and Open Source software in full compliance with the license, never asking for more than what was voluntarily given, and never "giving back". Even if this competes with the original authors in marketplaces.

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Matteo Collina

@matteocollina

3 years

The key reason fetch() is not happening in @nodejs is that it is a gargantuan amount of work that no company is willing to sponsor. node-fetch does 80% of what’s needed and it is extremely easy to install.

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Matteo Collina

@matteocollina

2 years

If you are working on the Web, you need to know CORS.

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Matteo Collina

@matteocollina

2 years

Would you consider writing unit tests a skill required for Junior, Mid-level or Senior devs?

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Matteo Collina

@matteocollina

2 years

Using a dependency built with Typescript completely disrupt my flow. When it's JS, I can quickly jump in inside node_modules, make a few modifications and tests my theories. Most TS projects don't ship their sources, so doing these "quick hacks" is not possible.

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Matteo Collina

@matteocollina

2 years

Today I’m thinking that as the JavaScript community we should have done better. There are *so many JS developers* out there that do not have a basic understanding of how promises work. Sigh. Do you know any confs that would like to have us delivering a workshop on the topic?

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Matteo Collina

@matteocollina

2 years

@maksimsinik @nodejs Not replacing:

lib: add fetch by targos · Pull Request #41749 · nodejs/node

Refs: nodejs/undici#1183 /cc @nodejs/undici This adds a --experimental-fetch flag that installs the fetch, Request, Response and Headers globals.

github.com

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Matteo Collina

@matteocollina

2 years

It's ha been a while since I did a talk on @nodejs performance. Would you be interested in watching it?

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Matteo Collina

@matteocollina

5 years

Unpopular (?) opinion: Object-Relational-Mapping create more problems than what they solve. They help you in the 80% part that's easy, and slow you down in the 20% part that is actually hard (where you are going to spend 80% of the time anyway).

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Matteo Collina

@matteocollina

2 months

Wow! AWS released their own JS runtime! The devil is in the details, and this is only tailored to be a runtime for Lambda. I’ll definitely tinker with it! Instead, why didn’t work to optimize Node.js and contribute back?

GitHub - awslabs/llrt: LLRT (Low Latency Runtime) is an experimental, lightweight JavaScript...

LLRT (Low Latency Runtime) is an experimental, lightweight JavaScript runtime designed to address the growing demand for fast and efficient Serverless applications. - awslabs/llrt

github.com

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Matteo Collina

@matteocollina

4 months

Do you know what powers @nodejs fetch()? It’s a library called undici! It has 25 open issues tagged “good first issue”… would you mind helping us?

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Matteo Collina

@matteocollina

8 months

I *really* like what @jarredsumner is doing with Bun, but I'm a bit frustrated by their compatibility claim with @nodejs . It's not fully compatible, and many inner details are different. This results in many random issues over my repos asking for fixes for Bun incompatibilities,…

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Matteo Collina

@matteocollina

3 years

I just did a quick benchmark of crypto.randomUUID() vs the uuid module on Node v16. 17 millions ids/sec vs 2 millions ids/sec. TL;DR migrate to Node.js v16 and use crypto.randomUUID(). Congrats @jasnell for building and shipping this!

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Matteo Collina

@matteocollina

5 months

The event loop is core to Node.js performance, but things can go wrong. In this article, we took a look at the event loop, its importance and utilization, best practices & the math behind synchronous response processing.

The Node.js Event Loop

A Deep Dive into Inner Workings and Best Practices

blog.platformatic.dev

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Matteo Collina

@matteocollina

4 years

Me: I would love to have time to study X, code Y or write Z Me in lockdown: let’s play videogames/watch netflix, I can’t focus

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Matteo Collina

@matteocollina

4 years

I'm not capable of learning a programming language (or framework) from ground up. I need to built something with it and this normally means skipping through a lot of "fundamentals" which I would fill at a later time.

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Matteo Collina

@matteocollina

6 years

The best recommendation that I can give to a junior engineer: read the source. Docs could be out-of-date, or misleading. If you think there is a bug in a dependency, check the code. You will be in the best position to fix it. Learn to read code.

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Matteo Collina

@matteocollina

2 years

We have experimental watch mode! You won't need nodemon or equivalent anymore to watch and restart your application.

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Matteo Collina

@matteocollina

2 years

New @fastifyjs t-shirt: do you like it?

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Matteo Collina

@matteocollina

2 years

First day of a new life! 🚀💥

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Matteo Collina

@matteocollina

4 years

I can’t understand why so many devs like ORMs (or ODMs) so much. DBs are so powerful and can do so many amazing things.. why would you decide to not leverage them at their best?

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Matteo Collina

@matteocollina

5 months

Devs: we want the safety of TypeScript TS: every minor might include breaking change DefinitelyTyped: every release might include breaking changes Module authors: it's okay to ship breaking changes to types in minor releases Developers: your minor update broke our build!

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Matteo Collina

@matteocollina

5 years

Today has been an emotional intense day. Tomorrow will be worse. To recover I’m at home coding something just for fun - as you taught me, Dad. Godspeed, and see you on the other side.

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Matteo Collina

@matteocollina

2 years

Here is my recommendation to all my fellow npm module authors: don’t drop support for CJS and go esm-only. The community is not ready to migrate just yet.

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Matteo Collina

@matteocollina

2 years

Hey Folks! Check out @platformatic ! It's the new company I've founded with my friend @lucamaraschi . Here is a quick video introducing ourselves!

Platformatic announcement / Matteo

null

www.loom.com

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Matteo Collina

@matteocollina

6 years

. @nodejs 9 is 15-20% faster than Node 8 at our "bare http" benchmarks. So much improvement in so little time. @v8 6.2 rocks.

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Matteo Collina

@matteocollina

4 years

One more fantastic day in Open Source land. User: "I have this very important bug that I need fixed yesterday" Me: "Would you like to send a pull request to fix it?" User: "No, I do not have the time". ... Do you think it would be fair to ask if they were willing to pay?

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Matteo Collina

@matteocollina

2 years

Fun facts about IP networking and @nodejs : most people believe localhost 🏡 is one IP address. localhost usually resolves to TWO addresses, 127.0.0.1 (IPv4) and ::1 (IPv6). The order in which those are resolved is dependent on the operating system. These days ::1 comes first.

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Matteo Collina

@matteocollina

3 years

I'm stunned by how nice the @nodejs fs/promises API is.

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Matteo Collina

@matteocollina

8 months

Dev on GitHub: > i can't use this library anymore because of such little thing. Me: > Would you like to send a Pull Request to address this issue? Remember to add unit tests.

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Matteo Collina

@matteocollina

1 month

I want to personally thank @vercel and @cloudflare for providing the hosting and cdn that made this possible.

Node.js

@nodejs

1 month

🐢🚀 The redesigned is live! - Fresh look - Comprehensive search - New learning resources - APIs & downloads unchanged - Improved contributor DX Stay tuned for more details in upcoming posts. Explore, share, and give us your feedback!

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Matteo Collina

@matteocollina

3 years

Prisma is the most interesting thing in database access happening in the Node.js space. I’m usually against ORMs but I recommend you to check this out and evaluate.

Prisma – The Complete ORM for Node.js & TypeScript

After more than two years of development, we are excited to share that all Prisma tools are ready for production.

www.prisma.io

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Matteo Collina

@matteocollina

6 months

Would you use GraphQL in your next project?

David Cramer

@zeeg

6 months

Still can’t believe we all got tricked into using graphql

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Matteo Collina

@matteocollina

2 years

If you do not know what the N+1 problem is when working on a database or an API... go study! You'll thank me later!

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Matteo Collina

@matteocollina

2 years

At #OpenJSWorld2022 I won the award as “Leading By Example” for 2022. I’m flattered! Thank all of your for noting for me.

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Matteo Collina

@matteocollina

9 months

I'm stunned by the performance of node:test on Node.js v20. A simple test takes 15ms to run on my machine. The same equivalent test takes 20ms to run on tap and 202ms to run on vitest.

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Matteo Collina

@matteocollina

2 years

The dominance of Mac and Linux in the developer market makes it EXCEPTIONALLY HARD to support Windows users. I'm not sure how could we still be inclusive (windows machines are cheaper) and at the same time keep innovating our libs.

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Matteo Collina

@matteocollina

2 years

I have just released @fastifyjs v4! Read up the full Release notes at: What does this ship? A thread:

Fastify v4 GA

After two years we are excited to announce the GA release of the fourth major version of Fastify! This release has been more than a year…

medium.com

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Matteo Collina

@matteocollina

1 year

One of the simplest principles of software development is > Things that should change together should be together For example, this means that your routes should be defined in the same file as your handler, and your validations/schema should be there too.

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Matteo Collina

@matteocollina

2 years

Always include a complete example on how to reproduce your problem. signed, all your OSS maintainers

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Matteo Collina

@matteocollina

3 years

My daughter is 1 month old today 🎂

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Matteo Collina

@matteocollina

2 years

Here is a reminder that writing the documentation of a software project is hard work. It’s also deep technical work.

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Matteo Collina

@matteocollina

5 years

One of the things of upgrading your @nodejs runtime is that it gets faster. v12.11.0 can provide around 20% more throughput when serving http requests compared to v10.16.0. Good news v12 is going LTS next month!

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Matteo Collina

@matteocollina

3 years

89% of developers using @fastifyjs would use it again! Thanks for the trust folks!

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Matteo Collina

@matteocollina

2 years

Should I start a weekly coding twitch? Have you got any recommendations for setting it up? *Really* thinking about it, I want to show I’m coding @nodejs , @fastifyjs & @platformatic in the open.

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Matteo Collina

@matteocollina

2 years

Today's regret: use ESM for a @nodejs application. The tooling is just not there yet. Sigh.

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Matteo Collina

@matteocollina

1 month

Go watch the Node.js documentary

Node.js: The Documentary | An origin story

Back in 2008, most people thought of JavaScript as just a client-side language. But when Google's V8 appeared, young developer Ryan Dahl made the connection ...

www.youtube.com

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Matteo Collina

@matteocollina

2 years

I hate merge conflicts.

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Matteo Collina

@matteocollina

2 years

I don’t like ORMs and I quite like SQL. However massive-js is quite fantastic:

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Matteo Collina

@matteocollina

2 years

In Node.js, mocking whole modules is an antipattern. You know it will cause problems in the future, however most people do it anyway (and keep using global state). Sigh.

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Matteo Collina

@matteocollina

11 months

Dig mud and be happy

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Matteo Collina

@matteocollina

6 months

If you use Node, this blog is for you! We took a look at: ‣ General best practices ‣ Module management ‣ Dependency injections ‣ The drawbacks of singletons for holding state variables

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