transit
Install
$ npm install --save transit// using ES6 modules
import transit from 'transit'
// using modules
var transit = require('transit')Usage
import transit from 'transit'
const event = transit()
event.on('foo', (data) => {
console.log(data) // abc
})
event.on('add', (data) => {
console.log(data) // 1
})
event.emit('foo', 'abc')
event.emit('add', 1)
event.off('foo')
event.clear()Typescript
import transit from 'transit'
interface Events {
foo: string
bar?: number
add: symbol
}
const event = transit<Events>()
event.on('foo', (data) => {
// (parameter) data: string
console.log(data) // abc
})
event.on('bar', (data) => {
// (parameter) data: number
console.log(data) // 1
})
event.emit('foo', 'abc')
event.emit('bar')
event.emit('add', 1) // Argument of type 'number' is not assignable to parameter of type 'symbol'
event.emit('divide', 1) // Argument of type '"add1"' is not assignable to parameter of type 'keyof Events'.API
-
on
eventType: string | symbol
handler: (data?: unknown) => void
-
emit
eventType: string | symbol
data?: unknown
-
off
eventType: string | symbol
-
clear