Today is the first day I've started looking into what RxJS is/does, and this is the most useful thing I've seen so far. Keeps it easy to follow and provides a real world use case. Thanks for sharing!
13:24 Why you mix the use of await with then? Just by using await it's enough to retrieve the value in a variable, that mix of await and then to retrieve the value it's pointless
You'll want to use switchMap, not mergeMap. Merge map will not unsubscribe from old fetches. However, I'm not sure fetch can be canceled, so it probably doesn't matter in this example. I wouldn't use promises to fetch data.
there is a fromFetch Operator for that and yes, you can cancel the fetch if cancel token exists in that browser (it is not supported by all browsers). the other solution is fromAjax which is supported by all major browsers.
Thanks so much for this. Explained very well and in detail for functional and class components. I come from Angular world so I like rxjs and is currently learning react. Subscribed 🙂
Hi, thanks for the video! I wonder, do you have any idea how to get updated props of functional component inside subscription function? If we use useEffect(() => {...}, []) - then inside in subscribe handler we're not getting updated props :( Couldn't find a way to do it. If you add subscribe handler as external func and specify it in dependencies array - then it will re-initialize observable on every render :( Any ideas how to make it work in functional component? Thanks
laziness is a lot bigger than what you sed. it means it will not consume any memory until you subscribe, not like promises which are eager and will be executed as soon as define them.
Beginner JS: Wow this language is awesome, you have so much freedom! Advanced JS: Wow this language is bad because it has too many quarks Master JS: Wow this language is awesome, you have so much freedom!
I kind of liked it before even watching it, I mean a minute or two. Then, after finishing the video I got upset I could not upvote it again. First world, dev problems. Upvote if you don't give a shit.
By far the best, most-practical tutorial on RxJS with React that I've seen!
Exactly, very clear and concise explanation of rxjs core concepts
Today is the first day I've started looking into what RxJS is/does, and this is the most useful thing I've seen so far. Keeps it easy to follow and provides a real world use case. Thanks for sharing!
God, I find it! The first normal explanation of how to use RsJS with React Hooks
wow, you really make it clear and simple! thanks for the value my friend!
So fast but succinct. Loved this, thank you very much!
WOW! So much practical info in so short time! Thank you very much!
4:52 I have error "Cannot read property 'unsubscribe' of undefined "
Maybe the version of rxjs is the reason?
13:24 Why you mix the use of await with then? Just by using await it's enough to retrieve the value in a variable, that mix of await and then to retrieve the value it's pointless
You'll want to use switchMap, not mergeMap. Merge map will not unsubscribe from old fetches. However, I'm not sure fetch can be canceled, so it probably doesn't matter in this example. I wouldn't use promises to fetch data.
there is a fromFetch Operator for that and yes, you can cancel the fetch if cancel token exists in that browser (it is not supported by all browsers). the other solution is fromAjax which is supported by all major browsers.
Best video of Rxjs! Thank you so much!
Great tutorial, honestly... I see a lot of tutorials but based on basic stuff that aren't really useful in the real world, unlike yours :)
Many thanks
Thanks so much for this. Explained very well and in detail for functional and class components. I come from Angular world so I like rxjs and is currently learning react. Subscribed 🙂
This is much simpler than Redux and Context API in my opinion. Easier to use also and minimal boilerplate code to get started. Thank you :)
Hi, thanks for the video! I wonder, do you have any idea how to get updated props of functional component inside subscription function? If we use useEffect(() => {...}, []) - then inside in subscribe handler we're not getting updated props :( Couldn't find a way to do it. If you add subscribe handler as external func and specify it in dependencies array - then it will re-initialize observable on every render :( Any ideas how to make it work in functional component? Thanks
The setter from useState is stable, no need to pass it to the custom hook
Can anyone tell me what font is he using
Is rxjs better for managing states vs redux?
Do you have course on this ill buy it asap please link rxjs react any resources appreciated
very well explained, thanks!
Great example thank you so much. Do you have a CRUD using React and RxJS?
very good video thanks
have any learning rxjs with react?
RxJS' structure reminds me of TH-cam, where Observables are channels.
laziness is a lot bigger than what you sed. it means it will not consume any memory until you subscribe, not like promises which are eager and will be executed as soon as define them.
Beginner JS: Wow this language is awesome, you have so much freedom!
Advanced JS: Wow this language is bad because it has too many quarks
Master JS: Wow this language is awesome, you have so much freedom!
Thanks Man
I kind of liked it before even watching it, I mean a minute or two. Then, after finishing the video I got upset I could not upvote it again. First world, dev problems.
Upvote if you don't give a shit.
Thanks for your great tutorial :):)
Great tutorial also great channel
Looks great
Thank you
Thank you..
I hear BXJS voice in this video!
很棒！！
Very useful one, thank you so much for the video.