Merge pull request #2 from expresso/feature/app-name

Feature/app name

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@expresso/errors",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "description": "@expresso express error handling suite",
   "main": "dist/index.js",
   "scripts": {

src/index.ts

@@ -4,11 +4,13 @@ import * as _renderer from './renderer'
 import * as _normalizer from './normalizer'
 import { ErrorRequestHandler } from 'express'
 
-export function factory (environment: string): ErrorRequestHandler[] {
+export function factory (environment: string, appName?: string): ErrorRequestHandler[] {
+  const app = appName || process.env.npm_package_name
+
   return [
     _stderr.factory(),
     _normalizer.factory(),
-    _renderer.factory(environment)
+    _renderer.factory(environment, app)
   ]
 }
 

src/renderer.ts

@@ -16,7 +16,7 @@ interface IErrorData {
   additionalProperties?: unknown
 }
 
-type ErrorOutput = { status: number, error: { code: string, message: string, stack?: unknown, data?: unknown } }
+type ErrorOutput = { app?: string, status: number, error: { code: string, message: string, stack?: unknown, data?: unknown } }
 
 type ErrorData = IErrorData | null
 
@@ -25,13 +25,14 @@ type ErrorData = IErrorData | null
  * @param environment - sugar-env environment string
  * @returns - Error handling middleware
  */
-export function factory (environment: string): ErrorRequestHandler {
+export function factory (environment: string, appName?: string): ErrorRequestHandler {
   return (err: Boom<ErrorData>, _req: Request, res: Response, _next: NextFunction) => {
     const { message, output: { statusCode: status }, data } = err
 
     const code = data && data.code ? data.code : slug(err.output.payload.error, { replacement: '_', lower: true })
-
     const output: ErrorOutput = { status, error: { code, message } }
+
+    if (appName) output.app = appName
     if (shouldDisplayErrorStack(environment) && data && data.stack) output.error.stack = data.stack
     if (data && data.additionalProperties) output.error.data = data.additionalProperties