# All files / src/decorators Event.ts

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66.66% Branches 6/9
60% Functions 3/5
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     import { Doraemon } from '../instance/init'

    interface CustomEvent extends WechatMiniprogram.CustomEvent {
      target: any
      currentTarget: any
      preventDefault(): void
      stopPropagation(): void
    }

    /**
     * decorator of an event function
     *
     * @return MethodDecorator
     */E
    export function Event(): MethodDecorator {
      return function (_target: Doraemon, propertyKey: string, descriptor: any) {
        const original = descriptor.value
        descriptor.value = function dispatchEvent(e) {
          const event: CustomEvent = { ...e }
          if (event) {
            event.preventDefault = function () {}
            event.stopPropagation = function () {}
            event.target = event.target || {}
            event.currentTarget = event.currentTarget || event.target || {}
            event.detail = event.detail || {}
            Object.assign(event.target, event.detail)
            Object.assign(event.currentTarget, event.detail)
          }
          return original.call(this, event)
        }
      }
    }