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cycle-grid-driver
Advanced tools
A driver used for communcation between cycle components keeping them loosely coupled accross application.
More info on the concept: (todo)
npm install cycle-grid-driver
Basics:
import xs from 'xstream';
import {run} from '@cycle/xstream-run';
import {makeGridDriver} from 'cycle-grid-driver';
function main({ grid }) {
// using stream "state" from grid
const state$ = grid.get('state');
// ... (magic occurs)
const actions$ = somehow();
return {
grid: grid.send(actions$).with({ type: 'actions' })
// .send(somethingElse$).with({type: 'something'})
// .send(anotherOne$).with({label: 'another'})
}
}
const drivers = {
HTTP: makeGridDriver()
}
run(main, drivers);
As you can see, you can use grid to send or recieve streams.
Suppose then, there are multiple components sending actions$
(labeling it using "with" object)
from which we need to create state$
import xs from 'xstream';
import flattenConcurrently from 'xstream/extra/flattenConcurrently';
import {run} from '@cycle/xstream-run';
import {makeGridDriver} from 'cycle-grid-driver';
function main({ grid }) {
// using grids "stream of streams"
const allActions$ = grid.mainStream()
.filter(stream => stream.with.group == 'actions')
.compose(flattenConcurrently);
const initialData$ = grid.mainStream()
.filter(stream => stream.with.localStorage == true)
.compose(flattenConcurrently);
// ... (magic occurs)
const state$ = somehowFrom(allActions$, initialData$);
return {
grid: grid.register(state$).as('state')
// .register(magicStream$).as('magic')
// .send(sendAsWell$).with({ label: 'me'})
}
}
const drivers = {
HTTP: makeGridDriver()
}
run(main, drivers);
If for some reason you need to separate your streams in different grids you can do that by creating multiple grid instances. makeGridDriver() is equivalent to makeGridDriver('default') and it returns a 'default' grid instance so for creating another one just use a different id.
makeGridDriver
(String): This is a function which, when called, returns a Grid Driver for Cycle.js
apps. The driver is also a function, and it takes id
as input, and outputs an Grid instancegrid.get
(String): returns a stream registered as id
(if stream is not created when called proxy which will imitate future stream will be returned)grid.mainStream
: returns a main grid stream (of streams) which are sent using grid.send
. Returned stream also contains all streams that may be sent before calling this function (so it is not required to subscribe on main stream before sending anything from other components)grid.send
(Stream): used to send stream in grids main stream, returns object that contains with
function for labeling your streamsgrid.register
(Stream): used to register stream in grid (but it is not in main stream), returns object that contains as
function for assigning stream idFAQs
cycle.js grid driver
The npm package cycle-grid-driver receives a total of 14 weekly downloads. As such, cycle-grid-driver popularity was classified as not popular.
We found that cycle-grid-driver demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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