Merge pull request #227 from dominiklessel/boom-support

feat: add support for Boom errors

Author: hoegertn

.projen/deps.json

@@ -20,6 +20,7 @@ const project = new TaimosTypescriptLibrary({
     '@types/jwk-to-pem',
     '@types/uuid',
     '@taimos/projen',
+    '@hapi/boom',
   ],
   keywords: [
     'aws',

.projen/tasks.json

@@ -94,6 +94,18 @@ export const createHttpHandler =
             body: error.message,
           };
         }
+        if (error.isBoom) {
+          return {
+            statusCode: error.output.statusCode,
+            headers: {
+              'Content-Type': 'application/json',
+              ...error.output.headers,
+              ...corsHeader(event),
+              ...ctx.response.headers,
+            },
+            body: JSON.stringify(error.output.payload),
+          };
+        }
         ctx.logger.error(error);
         return {
           statusCode: ctx.response.statusCode ?? 500,

.projenrc.js

@@ -0,0 +1,33 @@
+import * as Boom from '@hapi/boom';
+import { createHttpHandler } from '../src/http/handler';
+
+test('Boom error support for createHttpHandler', async () => {
+  const boomErr = Boom.notImplemented();
+  const handler = createHttpHandler(async () => {
+    throw boomErr;
+  });
+  const event = {
+    headers: {},
+    requestContext: {},
+    version: '1',
+    routeKey: 'routeKey',
+    rawPath: '/raw/path',
+    rawQueryString: '',
+    isBase64Encoded: false,
+  } as AWSLambda.APIGatewayProxyEventV2;
+  const context = {} as AWSLambda.Context;
+  const result = await handler(event, context, () => {});
+
+  if (!result) {
+    throw new Error('handler is expected to return a result!');
+  }
+
+  expect(result.statusCode).toBe(501);
+  expect(result.headers).not.toBeUndefined();
+
+  if (!result.body) {
+    throw new Error('result.body is expected to be defined!');
+  }
+
+  expect(JSON.parse(result.body)).toEqual(boomErr.output.payload);
+});