DEV Community

Cover image for The Trials and Tribulations. A Fool's Guide To Writing Functional JS (Part 4)

The Trials and Tribulations. A Fool's Guide To Writing Functional JS (Part 4)

Fahad Hossain on August 16, 2020

It's been a while since my last article so, hopefully you didn't forget what we last discussed. Throughout the last 3 articles I alluded to some ni...
Collapse
 
teamroggers profile image
Rogier Nitschelm •

This is a great post! Good inspiration for people like me who enjoy declarative programming and want to keep them functions tidy and clean.

Collapse
 
fa7ad profile image
Fahad Hossain •

Thanks. Glad you enjoyed it πŸ™‚

Collapse
 
pentacular profile image
Info Comment hidden by post author - thread only accessible via permalink
pentacular •

There is no declarative programming here.

Collapse
 
fa7ad profile image
Fahad Hossain •

@pentacular There is no actual code here. These are issues that I've faced when I was starting out, and I thought were worth sharing.

Thread Thread
 
pentacular profile image
pentacular •

I'm not objecting to the article -- just pointing out that it's not declarative.

And there's nothing wrong with that.

Collapse
 
pentacular profile image
Info Comment hidden by post author - thread only accessible via permalink
pentacular •

Or you could just ... use variables.

Then you can also have sensible names.

And it won't be any less functional.

Collapse
 
fa7ad profile image
Fahad Hossain • • Edited

Sure, I never said you couldn't use variables. Which of the problems do you think can be solved by using variables? I never said anything about having sensible names, are you confusing this post with some other post?

Collapse
 
pentacular profile image
pentacular •

Since you're suggesting point-free composition it might be a good idea to also consider the alternative.

const deduplicated = deduplicate(data);
const inverted = invert(deduplicated);
...

Each approach has its strengths and weaknesses, after all.

Collapse
 
ayabongaqwabi profile image
Ayabonga Qwabi •

"...I can't just put a big ol' dot between two functions in JS can I? " that part put me in stiches,
Great article manπŸ™‚

Collapse
 
fa7ad profile image
Fahad Hossain •

Glad you enjoyed it 😊

Collapse
 
canmingir profile image
Can Mingir •

Great post!

Some comments have been hidden by the post's author - find out more