Using MiniProfiler with Angular (2 and above) for SPAs https://blog.dangl.me/archive/using-the-stackexchange-miniprofiler-with-an-angular-single-page-application/
import { NgModule } from '@angular/core'; | |
import { Http, ConnectionBackend, XHRBackend } from '@angular/http'; | |
import { MiniProfilerHttp } from './mini-profiler-http'; | |
@NgModule({ | |
providers: [ | |
{ | |
provide: Http, | |
useClass: MiniProfilerHttp | |
}, | |
{ | |
provide: ConnectionBackend, | |
useClass: XHRBackend | |
} | |
] | |
}) | |
export class AppModule { } |
import { Injectable } from '@angular/core'; | |
import { Http, Headers } from '@angular/http'; | |
import { Observable } from 'rxjs/Observable'; | |
import { RequestOptions } from '@angular/http'; | |
import { ConnectionBackend, RequestOptionsArgs } from '@angular/http'; | |
import { Request } from '@angular/http'; | |
import { Response } from '@angular/http'; | |
declare var MiniProfiler; | |
@Injectable() | |
export class MiniProfilerHttp extends Http { | |
constructor(_backend: ConnectionBackend, | |
_defaultOptions: RequestOptions) { | |
super(_backend, _defaultOptions); | |
} | |
request(url: string | Request, options?: RequestOptionsArgs): Observable<Response> { | |
return super.request(url, options) | |
.map(r => { | |
if (typeof MiniProfiler !== 'undefined' && r && r.headers) { | |
this.makeMiniProfilerRequests(r.headers); | |
} | |
return r; | |
}); | |
} | |
private makeMiniProfilerRequests(headers: Headers) { | |
var miniProfilerHeaders = headers.getAll('x-miniprofiler-ids'); | |
if (!miniProfilerHeaders) { | |
return; | |
} | |
miniProfilerHeaders.forEach(miniProfilerIdHeaderValue => { | |
var ids = JSON.parse(miniProfilerIdHeaderValue) as string[]; | |
MiniProfiler.fetchResults(ids); | |
}); | |
} | |
} |
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I am trying to use your code with DotNetCore 2.2 and Angular 8 I enable CORS like below in my startup class
there is some thing strange in the response when I console.log(r.headers) at line 22 unfortunately there is no x-miniprofiler-ids in the header object but in fiddler and chrome network tab the x-miniprofiler-ids do exists in the response object so UI does not show the miniprofiler detail notifier is there any thing extra which i have to do ??? is there any specila config for dot net core or angular or httpclient ??? is your code compelete and well tested ???? |
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For those who are using Angular's new HttpClientModule, you could check the gist