eventstop/test.js at master · egoist/eventstop · GitHub

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import test from 'ava'
import eventstop from './src'

test('main', t => {
  const {on, emit} = eventstop()
  let yourName
  const off = on('hola', name => {
    yourName = name
  })
  emit('hola', 'taki')
  t.is(yourName, 'taki')
  off()
  emit('hola', 'mitsuha')
  t.is(yourName, 'taki')
})

test('once', t => {
  const {once, emit} = eventstop()
  let yourName
  const off = once('hola', name => {
    yourName = name
  })
  emit('hola', 'taki')
  t.is(yourName, 'taki')
  emit('hola', 'mitsuha')
  t.is(yourName, 'taki')
})

test('wildcard', t => {
  const {on, emit} = eventstop()
  let yourName
  on('*', (type, name) => {
    t.is(type, 'foo')
    yourName = name
  })
  emit('foo', 'taki')
  t.is(yourName, 'taki')
})