New: Built-in TypeScript support in Node.js

Node.js upgrades, the amazing Emmet, and more

Author

Tari Ibaba
August 06, 2024

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Do you know how this powerful functional programming technique works in JavaScript?

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If you’re not using Emmet you’re missing out and wasting a lot of valuable time.

It is a powerful shorthand syntax for writing large swaths of HTML and JSX code with as little effort as possible:

Use these 10 solid tips to maximize Emmet to its fullest potential and spend much less time writing repetitive HTML.

The syntax is quite similar to CSS and easy to understand.

1. Nest tags with >

Emmet makes creating a hierarchy of tags easier than ever with the > symbol:

From this: 

body>main>div>ul>li

To this: 

<body>
  <main>
    <div>
      <ul>
        <li></li>
      </ul>
    </div>
  </main>
</body>

2. Create siblings with +

Just like the + CSS selector, this lets you create elements that are siblings in the DOM hierarchy.

From this: 

header + main + aside + footer

To this: 

<header></header>
<main></main>
<aside></aside>
<footer></footer>

3. Climb up with ^

> is for drilling down and ^ is for climbing back up.

Here we create a child p in div and jump out to create a sibling ul:

So from: 

main>div>p^ul>li

To: 

<main>
  <div>
    <p></p>
  </div>
  <ul>
    <li></li>
  </ul>
</main>

Developers spend 75% of their time debugging and this is a major reason why.

Avoiding this mistake will massively cut down the bug occurrence rate in your code.

Never take new code for granted.

A simple but powerful principle with several implications.

Never assume your code works just because it looks alright

Always test your code in the real world.

And not just your machine.

You cannot trust your mind on this — That’s why bugs exist in the first place.

Bugs are always something you never expect.

It’s a big reason why debugging takes much time, especially for complex algorithms.

NEW: Built-in TypeScript support in Node.js - Finally

Exciting news today as native TypeScript support finally comes to Node.js!

Yes you can now use types natively in Node.js.

So throw typescript and ts-node in the garbage.

❌Before now:

Node.js only ever cared for JavaScript files.

This would never have run:

Try it and you’d get this unpleasant error:

Our best bet was to install TypeScript and compile with tsc.

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Thanks for taking the time to read today’s issue.

Don’t let the bugs byte,
Tari Ibaba