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