entry: {
 app: './src/main.ts'
}

extensions: ['.js', '.vue', '.json', '.ts', '.tsx']

{
 test: /\.tsx?$/,
 loader: 'ts-loader',
 exclude: /node_modules/,
 options: {
  appendTsSuffixTo: [/\.vue$/],
 }
 }

{
 "include": [
 "src/**/*"
 ],
 "exclude": [
 "node_modules"
 ],
 "compilerOptions": {
 "allowSyntheticDefaultImports": true,
 "experimentalDecorators": true,
 "allowJs": true,
 "module": "es2015",
 "target": "es5",
 "moduleResolution": "node",
 "experimentalDecorators": true,
 "isolatedModules": true,
 "lib": [
  "dom",
  "es5",
  "es2015.promise"
 ],
 "sourceMap": true,
 "pretty": true
 }
}

declare module "*.vue" {
 import Vue from 'vue';
 export default Vue;
}

declare module "*.html" {
 let template: string;
 export default template;
}

class HoverTopElem {
 leaveTop: number = -200
 top: number = null
 height: number = null

 show(e) {
 this.top = e.target.getBoundingClientRect().top
 this.height = e.target.clientHeight
 }
 hidden() {
 this.top = this.leaveTop
 }
}

@Component({
 name: 'sidebar',
 template: template,
 components: {
 sidebarItem
 }
})
export default class Sidebar extends Vue {
 SidebarMenu: any = SidebarMenu
 hoverTopElem: HoverTopElem = new HoverTopElem()
 activeListItemName: string = null
 activeRouteItemRoute: string = null

 get _activeRouteItemRoute(): string {
 return this.$route.path
 }

 @Watch('_activeRouteItemRoute', { immediate: true })
 onRouteChanged(val: any) {
 this.activeRouteItemRoute = val
 }

 changeList(param) {
 this.activeListItemName = param
 }

 changeRoute(param) {
 this.activeRouteItemRoute = param
 }
}