fix(fastify): flatten ByuJwtAuthenticator options (#156)

Author: tylerablackham

packages/fastify/README.md

@@ -17,23 +17,20 @@ fastify.register(ByuJwtProvider, {
   prefix: '/example/v1', 
   development: process.env.NODE_ENV === 'development',
   /** May pass in ByuJwt options from @byu-oit/jwt */
-  byuJwtOptions: {
-    issuer: 'https://api.byu.edu',
-    additionalValidations: [() => {
-      if(false) throw new Error('This will never happen')
-    }] 
-  }
-  
+  issuer: 'https://api.byu.edu', 
+  additionalValidations: [(jwt) => {
+    if(false) throw new Error('This will never happen')
+  }]
 })
 
 await fastify.listen({ port: 3000 }).catch(console.error)
 ```
 
 ## Options
+In addition to the three properties below, you can also pass in any options that are defined in [BYU JWT](https://byu-oit.github.io/byu-jwt-nodejs/modules/BYU_JWT.html#md:options) documentation as well.
 
-| property              | type    | default     | description                                                                                                                                                                                       |
-|-----------------------|---------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| prefix                | string  | `undefined` | Will only authenticate routes matching this prefix.                                                                                                                                               |
-| development           | boolean | false       | skips JWT verification for development purposes but will throw an error if NODE_ENV is set to `production`.                                                                                       |
-| basePath              | string  | `undefined` | will validate that the audience starts with the provided basePath in production.                                                                                                                  |
-| byuJwtOptions         | object  | `undefined` | an object that contains any ByuJwt options passed in. See the [BYU JWT](https://byu-oit.github.io/byu-jwt-nodejs/modules/BYU_JWT.html#md:options) Documentation for a full list of those options. |
+| property         | type    | default     | description                                                                                                                                                                               |
+|------------------|---------|-------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| prefix           | string  | `undefined` | Will only authenticate routes matching this prefix.                                                                                                                                       |
+| development      | boolean | false       | skips JWT verification for development purposes but will throw an error if NODE_ENV is set to `production`.                                                                               |
+| basePath         | string  | `undefined` | will validate that the audience starts with the provided basePath in production.                                                                                                          |

packages/fastify/src/ByuJwtAuthenticator.ts

@@ -3,8 +3,7 @@ import { TokenError } from 'fast-jwt'
 import { type IncomingHttpHeaders } from 'http'
 import { BYU_JWT_ERROR_CODES, ByuJwtError } from './ByuJwtError.js'
 
-export interface ByuJwtAuthenticatorOptions {
-  byuJwtOptions?: CreateByuJwtOptions
+export interface ByuJwtAuthenticatorOptions extends CreateByuJwtOptions {
   development?: boolean
   basePath?: string
 }
@@ -16,9 +15,8 @@ export class ByuJwtAuthenticator {
   private readonly ByuJwt: typeof ByuJwt
   private readonly development: boolean
 
-  constructor ({ development, basePath, byuJwtOptions = {} }: ByuJwtAuthenticatorOptions = {}) {
+  constructor ({ development, basePath, ...byuJwtOptions }: ByuJwtAuthenticatorOptions = {}) {
     this.development = development ?? false
-
     /** Extra validation step if basePath is provided */
     if (basePath != null) {
       if (byuJwtOptions.additionalValidations == null) {

packages/fastify/test/ByuJwtProvider.spec.ts

@@ -13,15 +13,15 @@ const errorHandler = (error: ByuJwtError, request: FastifyRequest, reply: Fastif
 
 test('authenticated user', async t => {
   const fastify = Fastify()
-  await fastify.register(ByuJwtProvider, { byuJwtOptions: { issuer }, development })
+  await fastify.register(ByuJwtProvider, { issuer, development })
   fastify.get('/', (request) => request.caller)
   const result = await fastify.inject({ url: '/', headers: { 'x-jwt-assertion': expiredJwt } }).then(res => res.json())
   t.is(result.netId, 'stuft2')
 })
 
 test('cannot fetch key', async t => {
   const fastify = Fastify()
-  await fastify.register(ByuJwtProvider, { byuJwtOptions: { issuer }, basePath: '/test' })
+  await fastify.register(ByuJwtProvider, { issuer, basePath: '/test' })
   fastify.get('/', (request) => request.caller)
   const result = await fastify.inject({ url: '/', headers: { 'x-jwt-assertion': expiredJwt } }).then(res => res.json())
   t.is(result.message, 'Cannot fetch key.')
@@ -30,7 +30,7 @@ test('cannot fetch key', async t => {
 test('missing expected JWT', async t => {
   const fastify = Fastify()
   fastify.setErrorHandler(errorHandler)
-  await fastify.register(ByuJwtProvider, { byuJwtOptions: { issuer }, development })
+  await fastify.register(ByuJwtProvider, { issuer, development })
   fastify.get('/', () => true)
   const result = await fastify.inject('/').then(res => res.json<ByuJwtError>())
   t.is(result.message, 'Missing expected JWT')