我在页面中创建了一个value.pipe.ts文件。并在app.module中导入它,如:
import { SanitizeHtmlPipe } from '../pages/value.pipe';
@NgModule({
declarations: [
MyApp,
HomePage,
SanitizeHtmlPipe
],
imports: [
BrowserModule,
IonicStorageModule.forRoot(),
HttpModule,
HttpClientModule,
IonicModule.forRoot(MyApp)
],
bootstrap: [IonicApp],
entryComponents: [
MyApp,
HomePage
],
providers: [
{provide: ErrorHandler,useClass: IonicErrorHandler},
IonicStorageModule,Auth,
ApiServiceProvider,
]
})
export class AppModule {}
我的管道文件是:
import { Pipe, PipeTransform } from "@angular/core";
import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
@Pipe({
name: 'sanitizeHtml'
})
export class SanitizeHtmlPipe implements PipeTransform {
constructor(private _sanitizer:DomSanitizer) {
}
transform(v:string):SafeHtml {
return this._sanitizer.bypassSecurityTrustHtml(v);
}
}
但现在当我运行我的代码时,我收到的错误是:
错误:意外的值'未定义'由模块宣布的AppModule' 在syntaxError(http://localhost:8100/build/vendor.js:80856:34) 在http://localhost:8100/build/vendor.js:95510:40 在Array.forEach() 在CompileMetadataResolver.getNgModuleMetadata(http://localhost:8100/build/vendor.js:95508:54) 在JitCompiler._loadModules(http://localhost:8100/build/vendor.js:113874:87) 在JitCompiler._compileModuleAndComponents(http://localhost:8100/build/vendor.js:113835:36) 在JitCompiler.compileModuleAsync(http://localhost:8100/build/vendor.js:113751:37) at CompilerImpl.compileModuleAsync(http://localhost:8100/build/vendor.js:79692:49) 在PlatformRef.bootstrapModule(http://localhost:8100/build/vendor.js:5796:25) 在Object.229(http://localhost:8100/build/main.js:1689:109)
我在这里做错了什么?
答案 0 :(得分:0)
我建议你添加一个sharedModule来拥有所有常用的管道和提供程序
<强> Shared.Module.ts 强>
@NgModule({
imports: [
// dep modules
],
declarations: [
SanitizeHtmlPipe
],
exports: [
SanitizeHtmlPipe
]
})
export class SharedModule {}
并在 app.module.ts
中使用它,因为suraj提到从提供商处删除 IonicStorageModule
,因为它应该在模块下导入。
@NgModule({
declarations: [
MyApp,
HomePage
],
imports: [
BrowserModule,
SharedModule,
IonicStorageModule.forRoot(),
HttpModule,
HttpClientModule,
IonicModule.forRoot(MyApp)
],
bootstrap: [IonicApp],
entryComponents: [
MyApp,
HomePage
],
providers: [
{provide: ErrorHandler,useClass: IonicErrorHandler},
Auth,
ApiServiceProvider,
]
})
export class AppModule {}