未找到模块：错误：无法解析'hammerjs'

Question

我通过ng init将我的Angular 2 CLI项目从1.0.0-beta.11-webpack.2更新为1.0.0-beta.11-webpack.8。我的项目使用角2.0.0-rc.5和角材料2.0.0-alpha.7-4但与ng serve运行出现以下错误：

ERROR in ./src/app/app.module.ts 
Module not found: Error: Can't resolve 'hammerjs' in '/home/jan/src/fm-repos/fm-ui/src/app' 
@ ./src/app/app.module.ts 38:0-18 
@ ./src/app/index.ts 
@ ./src/main.ts 
@ multi main 

ERROR in [default] /home/jan/src/fm-repos/fm-ui/node_modules/@angular2-material/core/gestures/MdGestureConfig.d.ts:4:39 
Cannot find name 'HammerManager'. 

ERROR in [default] /home/jan/src/fm-repos/fm-ui/node_modules/@angular2-material/slide-toggle/slide-toggle.d.ts:67:19 
Cannot find name 'HammerInput'. 

ERROR in [default] /home/jan/src/fm-repos/fm-ui/node_modules/@angular2-material/slider/slider.d.ts:50:19 
Cannot find name 'HammerInput'. 

ERROR in [default] /home/jan/src/fm-repos/fm-ui/node_modules/@angular2-material/slider/slider.d.ts:52:24 
Cannot find name 'HammerInput'. 

Answer 1

与工作解决此bug，临时添加hammerjs到您的项目：

npm install hammerjs --save 
npm install @types/hammerjs --save-dev 

和进口在您的模块定义中：

/** TODO: remove when work-around is not needed*/ 
import 'hammerjs'; 


@NgModule({ 
    declarations: [ 
    AppComponent, 
    HeaderComponent, 
    // ...