Merge pull request #4 from BrewInteractive/feature/error-management

Feature/error classes

src/error/index.ts

@@ -0,0 +1 @@
+export * from './missing-admin-secret.error';

src/error/missing-admin-secret.error.ts

@@ -0,0 +1,5 @@
+export class MissingAdminSecret extends Error {
+  constructor() {
+    super('Missing admin secret.');
+  }
+}

src/hasura.service.spec.ts

@@ -4,6 +4,7 @@ import { Test, TestingModule } from '@nestjs/testing';
 
 import { HasuraConfigFixture } from '../test/fixtures';
 import { HasuraService } from './hasura.service';
+import { MissingAdminSecret } from './error';
 import { gql } from 'graphql-request';
 
 const graphqlClientSpy = jest.fn();
@@ -152,6 +153,6 @@ describe('HasuraService', () => {
         query,
         requestFlags,
       });
-    }).rejects.toThrow(Error);
+    }).rejects.toThrow(MissingAdminSecret);
   });
 });

src/hasura.service.ts

@@ -8,6 +8,7 @@ import {
 import { GraphQLClient, Variables } from 'graphql-request';
 
 import { Injectable } from '@nestjs/common';
+import { MissingAdminSecret } from './error';
 
 @Injectable()
 export class HasuraService {
@@ -40,7 +41,7 @@ export class HasuraService {
   private getAdminSecret(): string {
     if (this.adminSecret) return this.adminSecret;
 
-    throw new Error('Missing admin secret.');
+    throw new MissingAdminSecret();
   }
 
   private createHeadersByRunQueryFlags(flags: RequestFlags) {

src/index.ts

@@ -1,3 +1,4 @@
 export * from './hasura.module';
 export * from './hasura.service';
 export * from './models';
+export * from './error';