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Which response status code goes to catchError in Angular 6+ httpClient?

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-1

In Angular 6+ httpClient, a request can be configured to get the entire response.

The response observable can be piped into map and catchError operators.

When does the execution go through the map operator and when to catchError?

Does it depend on responce status code?

For example, if response.status === 200 then go to map, else go to catchError?

If not only status 200 goes to map, then which else?

And which statuses go to catchError?

getData(): Observable<[]> 
 return this.http.get(this.apiUrl, observe: 'response').pipe(
 map((response: HttpResponse<any>) => 
 return response.status === 200;
 ),
 catchError((errorResponse: HttpErrorResponse) =>
 // which value may be logged here?
 console.log(errorResponse.status);
 of(false);
 ));

angular angular-httpclient rxjs6

share|improve this question

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  4xx and 5xx status codes are errors. The other ones are success. angular.io/guide/http#getting-error-details
  
  – JB Nizet
  Mar 27 at 17:27
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  JB Nizet, that is what I was looking for. Move your comment to answer so I can accept it.
  
  – Vadim Loboda
  Mar 27 at 17:36
  
  

  
  
  
  

add a comment | 

-1

In Angular 6+ httpClient, a request can be configured to get the entire response.

The response observable can be piped into map and catchError operators.

When does the execution go through the map operator and when to catchError?

Does it depend on responce status code?

For example, if response.status === 200 then go to map, else go to catchError?

If not only status 200 goes to map, then which else?

And which statuses go to catchError?

getData(): Observable<[]> 
 return this.http.get(this.apiUrl, observe: 'response').pipe(
 map((response: HttpResponse<any>) => 
 return response.status === 200;
 ),
 catchError((errorResponse: HttpErrorResponse) =>
 // which value may be logged here?
 console.log(errorResponse.status);
 of(false);
 ));

angular angular-httpclient rxjs6

share|improve this question

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  4xx and 5xx status codes are errors. The other ones are success. angular.io/guide/http#getting-error-details
  
  – JB Nizet
  Mar 27 at 17:27
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  JB Nizet, that is what I was looking for. Move your comment to answer so I can accept it.
  
  – Vadim Loboda
  Mar 27 at 17:36
  
  

  
  
  
  

add a comment | 

In Angular 6+ httpClient, a request can be configured to get the entire response.

The response observable can be piped into map and catchError operators.

When does the execution go through the map operator and when to catchError?

Does it depend on responce status code?

For example, if response.status === 200 then go to map, else go to catchError?

If not only status 200 goes to map, then which else?

And which statuses go to catchError?

getData(): Observable<[]> 
 return this.http.get(this.apiUrl, observe: 'response').pipe(
 map((response: HttpResponse<any>) => 
 return response.status === 200;
 ),
 catchError((errorResponse: HttpErrorResponse) =>
 // which value may be logged here?
 console.log(errorResponse.status);
 of(false);
 ));

angular angular-httpclient rxjs6

share|improve this question

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

getData(): Observable<[]> 
 return this.http.get(this.apiUrl, observe: 'response').pipe(
 map((response: HttpResponse<any>) => 
 return response.status === 200;
 ),
 catchError((errorResponse: HttpErrorResponse) =>
 // which value may be logged here?
 console.log(errorResponse.status);
 of(false);
 ));

angular angular-httpclient rxjs6

angular angular-httpclient rxjs6

share|improve this question

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

share|improve this question

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

asked Mar 27 at 17:23

Vadim LobodaVadim Loboda

1,2411313 silver badges3030 bronze badges

1 Answer
1

active

oldest

votes

1

4xx and 5xx status codes are errors. The other ones are success.

http://angular.io/guide/http#getting-error-details

share|improve this answer

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges

add a comment | 

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1

4xx and 5xx status codes are errors. The other ones are success.

http://angular.io/guide/http#getting-error-details

share|improve this answer

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges

add a comment | 

1

4xx and 5xx status codes are errors. The other ones are success.

http://angular.io/guide/http#getting-error-details

share|improve this answer

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges

add a comment | 

4xx and 5xx status codes are errors. The other ones are success.

http://angular.io/guide/http#getting-error-details

share|improve this answer

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges

share|improve this answer

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

edited Mar 27 at 20:37

Vadim Loboda

1,2411313 silver badges3030 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges

answered Mar 27 at 17:41

JB NizetJB Nizet

567k6868 gold badges942942 silver badges10521052 bronze badges