Example usage of InterceptorRequestConfigSerializer to ignore certain response status codes for a request

error-notification-interceptor-config.ts

import { HttpRequest } from '@angular/common/http';
import { isNullOrUndefined } from '../../util/misc-util';
import { isPositiveInteger } from '../../util/num-util';
import { InterceptorRequestConfigSerializer, PullInterceptorConfigResult } from '../entities/interceptor-request-config-serializer';
import { HttpClientOptions } from '../entities/http-client-options';

export interface ErrorNotificationInterceptorConfig {
  ignoredResStatusCodes: number[];
}

export class ErrorNotificationInterceptorConfigSerializer {
  private static readonly INTERCEPTOR_CONFIG_NAME = 'ErrorNotificationInterceptorConfig';

  static pullConfigFromRequest(req: HttpRequest<any>): PullInterceptorConfigResult<ErrorNotificationInterceptorConfig> { // NOSONAR
    return InterceptorRequestConfigSerializer.pullConfig<ErrorNotificationInterceptorConfig>(req, this.INTERCEPTOR_CONFIG_NAME);
  }

  static setConfigInHttpOptions(config: ErrorNotificationInterceptorConfig, options: HttpClientOptions = {}): object | undefined {
    config.ignoredResStatusCodes = this.getSanitizedCodes(config.ignoredResStatusCodes);
    return InterceptorRequestConfigSerializer.setConfig(options, this.INTERCEPTOR_CONFIG_NAME, config);
  }

  private static getSanitizedCodes(codes: number[]): number[] | undefined {
    if (isNullOrUndefined(codes)) {
      return codes;
    }

    // Convert to any array if necessary
    if (!Array.isArray(codes)) {
      codes = [codes];
    }

    // Filter out invalid codes
    codes = codes.filter(code => isPositiveInteger(code));

    return codes;
  }
}