import {createEvent, merge} from 'effector'

const foo = createEvent()
const bar = createEvent()
const baz = merge([foo, bar])

baz.watch(v => console.log('merged event triggered: ', v))

foo(1)
// => merged event triggered: 1
bar(2)
// => merged event triggered: 2

Try it

Add split for pattern-matching over events

import {createEvent, split} from 'effector'

const message = createEvent()

const messageByAuthor = split(message, {
  bob: ({user}) => user === 'bob',
  alice: ({user}) => user === 'alice',
})
messageByAuthor.bob.watch(({text}) => {
  console.log('[bob]: ', text)
})
messageByAuthor.alice.watch(({text}) => {
  console.log('[alice]: ', text)
})

message({user: 'bob', text: 'Hello'})
// => [bob]: Hello
message({user: 'alice', text: 'Hi bob'})
// => [alice]: Hi bob

/* default case, triggered if no one condition met */
const {__: guest} = messageByAuthor
guest.watch(({text}) => {
  console.log('[guest]: ', text)
})
message({user: 'unregistered', text: 'hi'})
// => [guest]: hi

Try it

Allow clearNode to automatically dispose all related intermediate steps

import {createEvent, clearNode} from 'effector'

const source = createEvent()
const target = source.map(x => {
  console.log('intermediate step')

  return x
})

target.watch(x => console.log('target watcher'))
source()
// => intermediate step
// => target watcher
clearNode(target)
source() // ~ no reaction ~

Try it

Fix promise warning for effects
Add effect.finally

import {createEffect} from 'effector'

const fetchApiFx = createEffect({
  handler: n =>
    new Promise(resolve => {
      setTimeout(resolve, n, `${n} ms`)
    }),
})

fetchApiFx.finally.watch(response => {
  console.log(response)
})

await fetchApiFx(10)
// => {status: 'done', result: '10 ms', params: 10}

// or

// => {status: 'fail', error: Error, params: 10}

Try it

Add types for createEvent with config instead of string
Add types for createEffect with config instead of string
Add event.filterMap as new alias for event.filter(fn)
Remove extract, withProps, is.* re-exports

19.0.0

Diff

drelliot

published 19.0.0 • 5 years ago

Changelog

Source

effector, effector-react, effector-vue 19.0.0

To indicate the stability of the project, we adopting semantic versioning and happy to announce version 19.0.0 for all packages. And to make the transition easier, that release contains no breaking changes; simple replacement of "^0.18.*" to "^19.0.0" is safe for sure ☄️

0.18.3

Diff

goodmind

published 0.18.3 • 6 years ago

Changelog

Source

0.18.3-0.18.4

Add version variable to public exports

import {version} from 'effector'

console.log(version)

Add effect handler to domain 4c6ae8
Add Unit<T> as common interface implemented by Event, Effect and Store
Add isStore, isEvent, isEffect and isUnit validators

import {createStore, createEvent, isStore, isEvent, isUnit} from 'effector'

const event = createEvent('some event')
const $store = createStore('value')

isStore($store) // => true
isEvent($store) // => false
isUnit($store) // => true

isStore(event) // => false
isEvent(event) // => true
isUnit(event) // => true

isStore(null) // => false
isEvent(null) // => false
isUnit(null) // => false

Add extended createStore with config

import {createStore} from 'effector'

const $store = createStore('value', {
  name: 'value store',
})

Publish babel-plugins
Improve naming for chrome performance timeline
Fix typescript typings #45
Fix event.prepend bug #35

0.18.3-beta.1

Diff

goodmind

published 0.18.3-beta.1 • 6 years ago

0.18.2

Diff

drelliot

published 0.18.2 • 6 years ago

Changelog

Source

0.18.2

Fix webpack usage issue. To prevent this in a future, webpack integration test was added.
Improve typescript typings for createApi. This code example became type checked

import {createStore, createApi} from 'effector'

const $text = createStore('')

const {addMessage, cut} = createApi($text, {
  addMessage: (text, message) => text + `\n` + message
  cut: (text, {fromIndex, size}) => text.slice(fromIndex, fromIndex + size),
})

Add umd bundle to npm. Therefore, you can use cdn to include library without bundlers

<!DOCTYPE html>
<html>
  <head>
    <script src="https://unpkg.com/effector@0.18.2/effector.umd.js"></script>
  </head>
  <body>
    <script>
      const header = document.createElement('h1')
      document.body.appendChild(header)
      const $text = effector.createStore('hello')
      $text.watch(str => (header.innerHTML = str))
    </script>
  </body>
</html>

0.18.1

Diff

drelliot

published 0.18.1 • 6 years ago

Changelog

Source

0.18.1

Add forward: common function for forwarding updates and events

import {forward} from 'effector'

const unsubscribe = forward({
  from: Event | Store,
  to: Event | Store | Effect,
})

add support for storages in store.on

import {createStore} from 'effector'

const $name = createStore('name')
const $counter = createStore(0).on(name, (count, name) => count++)

Allow to pass {handler: Function} as second argument to createEffect

import {createEffect} from 'effector'

const callApiFx = createEffect('call api', {
  async handler(url) {
    const res = await fetch(url)
    return res
  },
})

Make effect.use return the same effect instead of void (ability to chain method calls)

import {createEffect} from 'effector'

const callApiFx = createEffect('call api').use(url => fetch(url))

0.18.0

Diff

drelliot

published 0.18.0 • 6 years ago

Changelog

Source

0.18.0

Log events into Chrome devtools performance timeline
Add notifications about errors inside computation chain
Add store.defaultState property
effector-react: Add createComponent
Make withProps static function
Make effect return plain promise

0.18.0-rc.4

Diff

goodmind

published 0.18.0-rc.4 • 6 years ago

0.18.0-rc.3

Diff

drelliot

published 0.18.0-rc.3 • 6 years ago

0.18.0-rc.2

Diff

drelliot

published 0.18.0-rc.2 • 6 years ago

bs-effector-react - npm Package Versions

20.0.0

.css-1z04cui{margin-bottom:var(--chakra-space-4);font-size:var(--chakra-fontSizes-md);}effector 20.0.0

19.0.0

effector, effector-react, effector-vue 19.0.0

0.18.3

0.18.3-0.18.4

0.18.3-beta.1

0.18.2

0.18.2

0.18.1

0.18.1

0.18.0

0.18.0

0.18.0-rc.4

0.18.0-rc.3

0.18.0-rc.2

effector 20.0.0