A small functional reactive programming library for JavaScript.
Questions tagged [bacon.js]
198 questions
3
votes
2 answers
What is different between onValue and doAction in BaconJS?
onValue "subscribes a given handler function to event stream. Function will be called for each new value in the stream. [It] is the simplest way to assign a side-effect to a stream."
On the other hand, doAction "returns a stream/property where the…
chreekat
- 974
- 7
- 16
3
votes
1 answer
map a stream to lazy promise stream
I have a I have a stream of numbers, I have to turn them into a stream of posts using a promise. And I want to do this lazily. So if I do .take(1) from the post stream, it will turn only one number to a post.
This is the promise that gets a post…
user3995789
- 3,452
- 1
- 19
- 35
3
votes
2 answers
How to switch streams based on some EventStream changes in Bacon
Consider this example from http://baconjs.github.io/
var up = $('#up').asEventStream('click');
var down = $('#down').asEventStream('click');
var counter =
// map up to 1, down to -1
up.map(1).merge(down.map(-1))
// accumulate sum
…
gyzerok
- 1,338
- 2
- 11
- 26
3
votes
1 answer
Bacon.js restart buffering when another EventStream fires
I'm trying to make a simple canvas-drawing app using Bacon.js. It should allow to draw a line by selecting start and end point using mouse clicks like this.
points = paper.asEventStream('click')
.map((e) -> x: e.pageX, y: e.pageY)
…
Yury Tarabanko
- 44,270
- 9
- 84
- 98
3
votes
2 answers
Which actual products (web, mobile apps, etc.) use bacon.js?
Have been reading about Functional Reactive Programming and bacon.js. I have some questions concerning its adoption:
I'm curious about which companies have used bacon.js or are considering its use in actual products? I found this article from…
gaboroncancio
- 870
- 1
- 7
- 19
3
votes
1 answer
Is there an AngularJS ORM
I came a across the following article while considering adding bacon.js and AngularJS:
https://github.com/ProLoser/AngularJS-ORM
But I could not find any other resources that would encourage (or discourage) the use of bacon.js in angularJs.
So I'm…
David Laberge
- 15,435
- 14
- 53
- 83
3
votes
3 answers
Bacon.js control buffering of stream with other stream
I want to buffer values of an EventStream in Bacon.js exactly like buffer(closingSelector) behaves in RxJava. When the "controller stream" (closingSelector in RxJava method) emits a new value, then the event buffer gets flushed.
So I want that the…
attekei
- 491
- 4
- 10
3
votes
1 answer
Elm.js "lift" and Bacon.map: Are they functionally the same?
I'm trying to understand Elm. I have a bit of experience with Bacon.js, and it seems to me that lift is, basically, Bacon.js's internal map() function renamed.
Is there more to it than that?
Elf Sternberg
- 16,129
- 6
- 60
- 68
2
votes
1 answer
Get EventStream from a node with React and Bacon
This is how I can get an EventStream from a regular DOM node with bacon.js:
var el = document.getElementById('input1');
var stream = Bacon.fromEvent(el, 'input')
When using React, DOM nodes may be recreated after some render() iteration, so…
ch1p_
- 1,193
- 2
- 8
- 15
2
votes
1 answer
Debouncing unique values with Bacon.js
I have a file system watcher producing a Bacon.js event stream of changed file paths. I'd like to filter and debounce this stream so that each unique file path only appears in the output stream after 5 seconds of no activity for that unique value.…
Oran Dennison
- 3,237
- 1
- 29
- 37
2
votes
1 answer
Idiomatic way to mutate a property with multiple events using Kefir
What's the idiomatic way to create a property in Kefir that changes in response to multiple event types?
In my project, I started off using rxjs for a FRP-style application. In this application, I wanted to subscribe to state that changed in…
Jacob
- 77,566
- 24
- 149
- 228
2
votes
1 answer
Bacon zipped Stream not ending when matches complete causing test suite to hang
I have been trying to use Bacon's zip...() operations to create a Mocha test-suite, where a sequence of values from actual asynchronous networked events could be compared to a sequence of target values to verify correct behaviour.
However, the…
cefn
- 2,895
- 19
- 28
2
votes
1 answer
Never ending stream with Baconjs
I have a simple script which just take all values from Redis list and print them to console.
var redis = require("redis"),
client = redis.createClient();
Bacon = require('baconjs');
Bacon.repeat(function(){
return…
kharandziuk
- 12,020
- 17
- 63
- 121
2
votes
1 answer
Manually trigger Bacon.js stream update?
I'm quite new to FRP and bacon.js, so I might be doing something quite stupid.
The test app has a textarea and a submit button; the submit button adds values to a list and I show the list with React every time there is a change. Here's a gist with…
Svilen
- 2,608
- 24
- 26
2
votes
1 answer
What is the equivalint of Bacon.Bus.plug in rxjs
Is it possible to plug in an Observable into a rxjs Subject?
In Bacon i can plug in a new stream easily with the plug method, but in rxjs I haven't find a one-liner yet. so now I do it like this:
var subject = new Rx.Subject();
var clickStream = new…
balazs
- 5,698
- 7
- 37
- 45