@foblex/ng-mediator/fesm2022/foblex-ng-mediator.mjs.map

A mediator library for Angular facilitating a clean architecture with a better command-query separation.

{"version":3,"file":"foblex-ng-mediator.mjs","sources":["../../../projects/ng-mediator/src/lib/cqrs/f-command-base.ts","../../../projects/ng-mediator/src/lib/cqrs/f-query-base.ts","../../../projects/ng-mediator/src/lib/mediator/validator/validation-failed.ts","../../../projects/ng-mediator/src/lib/mediator/validator/validation-success.ts","../../../projects/ng-mediator/src/lib/mediator/validator/f-validator-base.ts","../../../projects/ng-mediator/src/lib/mediator/validator/f-empty-validator.ts","../../../projects/ng-mediator/src/lib/mediator/f-mediator.ts","../../../projects/ng-mediator/src/lib/mediator/pipeline.ts","../../../projects/ng-mediator/src/lib/mediator/f-mediator.module.ts","../../../projects/ng-mediator/src/lib/mediator/f-mediator.service.spec.ts","../../../projects/ng-mediator/src/foblex-ng-mediator.ts"],"sourcesContent":["import { ICommand } from \"./i-command\";\nimport { Observable } from 'rxjs';\nimport { IRequestHandler } from './i-request-handler';\n\nexport abstract class FCommandBase<TRequest extends ICommand<TResponse>, TResponse>\n  implements IRequestHandler<TRequest, TResponse> {\n\n  public handle(request: TRequest): Observable<TResponse> {\n    const result = this.execute(request);\n    return result;\n  }\n\n  protected abstract execute(request: TRequest): Observable<TResponse>;\n}\n","import { IQuery } from \"./i-query\";\nimport { Observable } from 'rxjs';\nimport { IRequestHandler } from './i-request-handler';\n\nexport abstract class FQueryBase<TRequest extends IQuery<TResponse>, TResponse>\n  implements IRequestHandler<TRequest, TResponse> {\n\n  public handle(request: TRequest): Observable<TResponse> {\n    const result = this.execute(request);\n    return result;\n  }\n\n  protected abstract execute(request: TRequest): Observable<TResponse>;\n}\n","import { IValidationResult } from './i-validation-result';\n\nexport class ValidationFailed<TError extends Error>\n  implements IValidationResult<TError> {\n\n  public readonly isValid: boolean = false;\n\n  constructor(\n    public readonly errors: TError[]\n  ) {\n  }\n}\n","import { IValidationResult } from './i-validation-result';\n\nexport class ValidationSuccess<TError extends Error>\n  implements IValidationResult<TError> {\n\n  public readonly isValid: boolean = true;\n}\n","import { IRequest } from '../../cqrs';\nimport { Observable, of, switchMap } from 'rxjs';\nimport { IValidationResult } from './i-validation-result';\nimport { ValidationFailed } from './validation-failed';\nimport { ValidationSuccess } from './validation-success';\n\nexport abstract class FValidatorBase<TRequest extends IRequest<TResponse>, TResponse, TError extends Error = Error> {\n\n  public handle(request: TRequest): Observable<IValidationResult<TError>> {\n    return this.validate(request).pipe(\n      switchMap((errors) => {\n        if (errors && errors.length > 0) {\n          return of(new ValidationFailed(errors))\n        }\n        return of(new ValidationSuccess());\n      })\n    );\n  }\n\n  protected abstract validate(request: TRequest): Observable<TError[]>;\n}\n","import { Observable, of } from 'rxjs';\nimport { Injectable } from '@angular/core';\nimport { IRequest } from '../../cqrs';\nimport { FValidatorBase } from './f-validator-base';\n\n@Injectable({\n  providedIn: 'root',\n})\nexport class FEmptyValidator<TRequest extends IRequest<TResponse>, TResponse>\n  extends FValidatorBase<TRequest, TResponse>{\n\n  public override validate(request: TRequest): Observable<Error[]> {\n    return of([]);\n  }\n}\n","import { Injectable, Inject, InjectionToken, Type } from '@angular/core';\nimport { Observable, throwError } from 'rxjs';\nimport { Pipeline } from './pipeline';\nimport { IRequest } from '../cqrs';\n\nexport const F_FEATURE_TOKEN = new InjectionToken('F_FEATURE_TOKEN');\n\n@Injectable({\n  providedIn: 'root',\n})\nexport class FMediator {\n\n  private features = new Map<string, Pipeline<any, any>>();\n\n  constructor(@Inject(F_FEATURE_TOKEN) featureProviders: Pipeline<any, any>[]) {\n    for (const feature of featureProviders) {\n      this.features.set(feature.requestType, feature);\n    }\n  }\n\n  public send<TRequest extends IRequest<TResponse>, TResponse>(requestType: Type<TRequest>, request: TRequest): Observable<TResponse> {\n    const feature = this.features.get(requestType.name);\n    if (!feature) {\n      return throwError(() => Error('Pipeline not registered for request type.'));\n    }\n    return feature.execute(request);\n  }\n}\n","import { Observable, throwError } from 'rxjs';\nimport { catchError, switchMap } from 'rxjs/operators';\nimport { FValidatorBase } from './validator';\nimport { IRequest, IRequestHandler } from '../cqrs';\n\nexport class Pipeline<TRequest extends IRequest<TResponse>, TResponse> {\n\n  constructor(\n    public requestType: string,\n    private validator: FValidatorBase<TRequest, TResponse>,\n    private requestHandler: IRequestHandler<TRequest, TResponse>\n  ) {\n  }\n\n  public execute(request: TRequest): Observable<TResponse> {\n    return this.validator.handle(request).pipe(\n      switchMap((result) => {\n        if (!result.isValid) {\n          return throwError(() => result.errors);\n        }\n        return this.requestHandler.handle(request).pipe(catchError((error) => throwError(() => [error])));\n      })\n    );\n  }\n}\n","import { ModuleWithProviders, NgModule, Type } from '@angular/core';\nimport { F_FEATURE_TOKEN, FMediator } from './f-mediator';\nimport { Pipeline } from './pipeline';\nimport { IRequest, IRequestHandler } from '../cqrs';\nimport { FValidatorBase } from './validator';\n\n@NgModule()\nexport class FMediatorModule {\n\n  public static forRoot(): ModuleWithProviders<FMediatorModule> {\n    return {\n      ngModule: FMediatorModule,\n      providers: [ FMediator ]\n    };\n  }\n\n  public static forFeature<TRequest extends IRequest<TResponse>, TResponse>(\n    requestType: Type<TRequest>,\n    validatorType: Type<FValidatorBase<TRequest, TResponse>>,\n    handlerType: Type<IRequestHandler<TRequest, TResponse>>\n  ): ModuleWithProviders<FMediatorModule> {\n    return {\n      ngModule: FMediatorModule,\n      providers: [\n        validatorType,\n        handlerType,\n        {\n          provide: F_FEATURE_TOKEN,\n          useFactory: (validator: FValidatorBase<TRequest, TResponse>, handler: IRequestHandler<TRequest, TResponse>) => {\n            return new Pipeline(requestType.name, validator, handler);\n          },\n          deps: [ validatorType, handlerType ],\n          multi: true\n        }\n      ]\n    };\n  }\n}\n","import { TestBed, fakeAsync, tick } from '@angular/core/testing';\nimport { Observable, of, throwError } from 'rxjs';\nimport { Type } from '@angular/core';\nimport { catchError } from 'rxjs/operators';\nimport { FCommandBase, FQueryBase, IRequest, IRequestHandler } from '../cqrs';\nimport { FValidatorBase } from './validator';\nimport { FMediator } from './f-mediator';\nimport { FMediatorModule } from './f-mediator.module';\n\nclass MockRequest implements IRequest<string> {\n}\n\n// Validators\nclass SuccessValidator extends FValidatorBase<MockRequest, string> {\n  override validate(request: MockRequest): Observable<Error[]> {\n    return of([]);\n  }\n}\n\nclass FailureValidator extends FValidatorBase<MockRequest, string> {\n  validate(request: MockRequest): Observable<Error[]> {\n    return of([ new Error('Validation Error') ]);\n  }\n}\n\n// Handlers\nclass SuccessHandler extends FCommandBase<MockRequest, string> {\n  execute(request: MockRequest): Observable<string> {\n    return of('Success');\n  }\n}\n\nclass FailureHandler extends FQueryBase<MockRequest, string> {\n  execute(request: MockRequest): Observable<string> {\n    return throwError(() => new Error('Handler Error'));\n  }\n}\n\n\n// describe('FMediator', () => {\n//   let mediator: FMediator;\n//\n//   function setupModule(validator: Type<FValidatorBase<MockRequest, string>>, handler: Type<IRequestHandler<MockRequest, string>>) {\n//     TestBed.configureTestingModule({\n//       imports: [ FMediatorModule.forRoot(), FMediatorModule.forFeature(MockRequest, validator, handler) ]\n//     });\n//     mediator = TestBed.inject(FMediator);\n//   }\n//\n//   it('should return success when there are no errors', fakeAsync(() => {\n//     setupModule(SuccessValidator, SuccessHandler);\n//     mediator.send(MockRequest, new MockRequest()).subscribe(response => {\n//       expect(response).toEqual('Success');\n//     });\n//     tick();\n//   }));\n//\n//   it('should return validation error when validator fails', fakeAsync(() => {\n//     setupModule(FailureValidator, SuccessHandler);\n//     mediator.send(MockRequest, new MockRequest()).pipe(catchError((err, o) => {\n//       expect(err).toEqual([ new Error('Validation Error') ]);\n//       return o;\n//     })).subscribe();\n//     tick();\n//   }));\n// });\n","/**\n * Generated bundle index. 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