onKeyStroke

Demo

Use the arrow keys or w a s d keys to control the movement of the ball.

Usage

import { onKeyStroke } from '@vueuse/core'

onKeyStroke('ArrowDown', (e) => {
  e.preventDefault()
})

import { onKeyStroke } from '@vueuse/core'

onKeyStroke('ArrowDown', (e) => {
  e.preventDefault()
})

See this table for all key codes.

Listen To Multiple Keys

import { onKeyStroke } from '@vueuse/core'

onKeyStroke(['s', 'S', 'ArrowDown'], (e) => {
  e.preventDefault()
})

// listen to all keys by [true / skip the keyDefine]
onKeyStroke(true, (e) => {
  e.preventDefault()
})
onKeyStroke((e) => {
  e.preventDefault()
})

import { onKeyStroke } from '@vueuse/core'

onKeyStroke(['s', 'S', 'ArrowDown'], (e) => {
  e.preventDefault()
})

// listen to all keys by [true / skip the keyDefine]
onKeyStroke(true, (e) => {
  e.preventDefault()
})
onKeyStroke((e) => {
  e.preventDefault()
})

Custom Event Target

onKeyStroke('A', (e) => {
  console.log('Key A pressed on document')
}, { target: document })

onKeyStroke('A', (e) => {
  console.log('Key A pressed on document')
}, { target: document })

Directive Usage

This function also provides a directive version via the @vueuse/components package. Learn more about the usage.

html

<script setup lang="ts">
import { vOnKeyStroke } from '@vueuse/components'
function onUpdate(e: KeyboardEvent) {
  // impl...
}
</script>

<template>
  <input v-on-key-stroke:c,v="onUpdate" type="text">
  <!-- with options -->
  <input v-on-key-stroke:c,v="[onUpdate, { eventName: 'keyup' }]" type="text">
</template>

<script setup lang="ts">
import { vOnKeyStroke } from '@vueuse/components'
function onUpdate(e: KeyboardEvent) {
  // impl...
}
</script>

<template>
  <input v-on-key-stroke:c,v="onUpdate" type="text">
  <!-- with options -->
  <input v-on-key-stroke:c,v="[onUpdate, { eventName: 'keyup' }]" type="text">
</template>

Custom Keyboard Event

onKeyStroke('Shift', (e) => {
  console.log('Shift key up')
}, { eventName: 'keyup' })

onKeyStroke('Shift', (e) => {
  console.log('Shift key up')
}, { eventName: 'keyup' })

onKeyUp('Shift', () => console.log('Shift key up'))

onKeyUp('Shift', () => console.log('Shift key up'))

Shorthands

onKeyDown - alias for onKeyStroke(key, handler, {eventName: 'keydown'})
onKeyPressed - alias for onKeyStroke(key, handler, {eventName: 'keypress'})
onKeyUp - alias for onKeyStroke(key, handler, {eventName: 'keyup'})

Type Declarations

Show Type Declarations

typescript

export declare type KeyPredicate = (event: KeyboardEvent) => boolean
export declare type KeyFilter = true | string | string[] | KeyPredicate
export declare type KeyStrokeEventName = "keydown" | "keypress" | "keyup"
export interface OnKeyStrokeOptions {
  eventName?: KeyStrokeEventName
  target?: MaybeComputedRef<EventTarget>
  passive?: boolean
}
export declare function onKeyStroke(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
export declare function onKeyStroke(
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
/**
 * Listen for keyboard keys being stroked.
 *
 * @see https://vueuse.org/onKeyStroke
 */
export declare function onKeyStroke(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
export declare function onKeyStroke(
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
/**
 * Listen to the keydown event of the given key.
 *
 * @see https://vueuse.org/onKeyStroke
 * @param key
 * @param handler
 * @param options
 */
export declare function onKeyDown(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: Omit<OnKeyStrokeOptions, "eventName">
): () => void
/**
 * Listen to the keypress event of the given key.
 *
 * @see https://vueuse.org/onKeyStroke
 * @param key
 * @param handler
 * @param options
 */
export declare function onKeyPressed(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: Omit<OnKeyStrokeOptions, "eventName">
): () => void
/**
 * Listen to the keyup event of the given key.
 *
 * @see https://vueuse.org/onKeyStroke
 * @param key
 * @param handler
 * @param options
 */
export declare function onKeyUp(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: Omit<OnKeyStrokeOptions, "eventName">
): () => void

export declare type KeyPredicate = (event: KeyboardEvent) => boolean
export declare type KeyFilter = true | string | string[] | KeyPredicate
export declare type KeyStrokeEventName = "keydown" | "keypress" | "keyup"
export interface OnKeyStrokeOptions {
  eventName?: KeyStrokeEventName
  target?: MaybeComputedRef<EventTarget>
  passive?: boolean
}
export declare function onKeyStroke(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
export declare function onKeyStroke(
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
/**
 * Listen for keyboard keys being stroked.
 *
 * @see https://vueuse.org/onKeyStroke
 */
export declare function onKeyStroke(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
export declare function onKeyStroke(
  handler: (event: KeyboardEvent) => void,
  options?: OnKeyStrokeOptions
): () => void
/**
 * Listen to the keydown event of the given key.
 *
 * @see https://vueuse.org/onKeyStroke
 * @param key
 * @param handler
 * @param options
 */
export declare function onKeyDown(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: Omit<OnKeyStrokeOptions, "eventName">
): () => void
/**
 * Listen to the keypress event of the given key.
 *
 * @see https://vueuse.org/onKeyStroke
 * @param key
 * @param handler
 * @param options
 */
export declare function onKeyPressed(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: Omit<OnKeyStrokeOptions, "eventName">
): () => void
/**
 * Listen to the keyup event of the given key.
 *
 * @see https://vueuse.org/onKeyStroke
 * @param key
 * @param handler
 * @param options
 */
export declare function onKeyUp(
  key: KeyFilter,
  handler: (event: KeyboardEvent) => void,
  options?: Omit<OnKeyStrokeOptions, "eventName">
): () => void