2020-10-16
6506
#node
Kelvin Omereshone
25532
Oct 16, 2020 ⋅ 23 min read

Building a Node.js web API with Sails.js

Kelvin Omereshone Kelvin is an independent software maker currently building Sailscasts, a platform to learn server-side JavaScript. He is also a technical writer and works as a Node.js consultant, helping clients build and maintain their Node.js applications.

Recent posts:

Goodbye, useState? Smarter state modeling for modern React apps

Goodbye, useState? Smarter state modeling for modern React apps

Ever opened a React file and found a graveyard of useState hooks? The problem isn’t React; it’s how we model state. Here’s how to do it smarter.

Oscar Jite-Orimiono
Oct 21, 2025 ⋅ 9 min read

Why third-party integrations break in React 19 — And how to future-proof them

React 19 breaks old third-party integrations. Learn why concurrent rendering exposes brittle SDKs and how to rebuild them with resilient modern patterns.

Peter Aideloje
Oct 20, 2025 ⋅ 4 min read
React useEffectEvent: Goodbye to stale closure headaches

React useEffectEvent: Goodbye to stale closure headaches

Discover why the useEffectEvent Hook is important, how to use it effectively, and how it compares to useRef.

David Omotayo
Oct 17, 2025 ⋅ 5 min read
I Tried Shadcn CLI 3.0 — Here’s What I Learned

I tried Shadcn CLI 3.0 — here’s what I learned

Shadcn CLI 3.0 takes component management to a new level. With namespaced registries, private access, and AI-powered discovery, it’s now faster and smarter to build React UIs.

Emmanuel John
Oct 17, 2025 ⋅ 6 min read
View all posts

6 Replies to "Building a Node.js web API with Sails.js"

  1. Hey Kelvin, I am a bit confused with the sections for registering a user. You say “Let’s look at error-handling. In the catch block add the below code to first check if the error was caused as a result of trying to register with an existing password:”

    1. When you say “password”, at the end, you meant “Email”?
    2. Which one is the Catch Block? The one within the “exists: {” section?

    Thank you!

  2. Hey Dani, you are right I meant Email and also recall this line “Let’s move on to the fn async function. We will start off by declaring a try-catch block. In that block start off with making sure the email is all lowercase:” So we created a try/catch block for the entire fn implementation as it’s good practice to have as few try/catch blocks as possible to reduce the surface area of error handling in your application.

    I hope this helps, Thanks.

  3. Kelvin, thank you for getting back to me. I went over the tutorial and realized that indeed you were mentioning the try/catch block. I love this tutorial and how I am grasping on the concepts. I really appreciate it.

  4. Hi Kelvin,
    I couldn’t get a sendGrid API key, they refused to allow me to continue further, probably because my location is Nigeria, please what can I do? Because, I can’t test without the API key. Thanks

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