import Vue , { PropOptions } from 'vue' ; import { createDecorator } from 'vue-class-component' ; import { Constructor } from 'vue/types/options' ; import { applyMetadata } from '../helpers/metadata' ; param event param options return export function Model ( event ? , options = { } ) { return ( target , key ) => { applyMetadata ( options , target , key ) ; createDecorator ( ( componentOptions , k ) => { ; ( componentOptions . props || ( ( componentOptions . props = { } ) as any ) ) [ k ] = options ; componentOptions . model = { prop : k , event : event || k } ; } ) ( target , key ) ; } ; }