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merge([eventA, eventB])

Creates an event, which fires when one of passed events has triggered

Arguments

  1. events (array): events list

Returns

(Event)

Example

import { createEvent, merge } from 'effector'

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

baz.watch(value => console.log(`merged event triggered: ${value}`))

foo('foo') // => merged event triggered: foo
bar('bar') // => merged event triggered: bar


Try

for example, we should set form submitting status to false after request succeeded or returned error.

import { createStore, createEffect, merge } from 'effector'

const submit = createEffect('submit form', {
  handler: () => new Promise((resolve) => {
    setTimeout(resolve, 1000)
  })
})

const submitting = createStore(false)
    .on(submit, () => true)
    .on(merge([submit.done, submit.fail]), () => false)
    
submit()

Try
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