29 lines
778 B
TypeScript
29 lines
778 B
TypeScript
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const event: { [key: string]: Function } = {}
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/** 事件句柄 */
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export default {
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/** 绑定一个事件 */
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$on(eventName: string, eventFun: Function) {
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if (event.hasOwnProperty('key1')) {
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throw new Error(`存在事件 => ${eventName}`)
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} else {
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event[eventName] = eventFun
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}
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},
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/** 解绑一个事件 */
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$off(eventName: keyof typeof event) {
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if (event.hasOwnProperty('key1')) {
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delete event[eventName]
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} else {
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throw new Error(`不存在事件 => ${eventName}`)
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}
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},
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/** 触发一个事件 */
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$emit<T>(eventName: keyof typeof event, ...args: any):T {
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if (event.hasOwnProperty('key1')) {
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return event[eventName](...args)
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} else {
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throw new Error(`不存在事件 => ${eventName}`)
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}
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}
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}
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