keypress.js
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// #ifdef H5
export default {
name: 'Keypress',
props: {
disable: {
type: Boolean,
default: false
}
},
mounted () {
const keyNames = {
esc: ['Esc', 'Escape'],
tab: 'Tab',
enter: 'Enter',
space: [' ', 'Spacebar'],
up: ['Up', 'ArrowUp'],
left: ['Left', 'ArrowLeft'],
right: ['Right', 'ArrowRight'],
down: ['Down', 'ArrowDown'],
delete: ['Backspace', 'Delete', 'Del']
}
const listener = ($event) => {
if (this.disable) {
return
}
const keyName = Object.keys(keyNames).find(key => {
const keyName = $event.key
const value = keyNames[key]
return value === keyName || (Array.isArray(value) && value.includes(keyName))
})
if (keyName) {
// 避免和其他按键事件冲突
setTimeout(() => {
this.$emit(keyName, {})
}, 0)
}
}
document.addEventListener('keyup', listener)
// this.$once('hook:beforeDestroy', () => {
// document.removeEventListener('keyup', listener)
// })
},
render: () => {}
}
// #endif