Passing the authHeader correctly to the runner,

also allowing you to explicitly pass ah to graphql

Author: gja

slash-graphql-lambda-types/types.d.ts

@@ -20,7 +20,7 @@ declare module "@slash-graphql/lambda-types" {
 
   type GraphQLEvent = GraphQLEventFields & {
     respondWith: (r: ResolverResponse) => void,
-    graphql: (s: string, vars: Record<string, any> | undefined) => Promise<GraphQLResponse>,
+    graphql: (s: string, vars: Record<string, any> | undefined, ah?: AuthHeaderField) => Promise<GraphQLResponse>,
     dql: {
       query: (s: string, vars: Record<string, any> | undefined) => Promise<GraphQLResponse>
       mutate: (s: string) => Promise<GraphQLResponse>

src/evaluate-script.ts

@@ -1,6 +1,6 @@
 import { EventTarget } from 'event-target-shim';
 import vm from 'vm';
-import { GraphQLEvent, GraphQLEventWithParent, GraphQLEventFields, ResolverResponse } from '@slash-graphql/lambda-types'
+import { GraphQLEvent, GraphQLEventWithParent, GraphQLEventFields, ResolverResponse, AuthHeaderField } from '@slash-graphql/lambda-types'
 
 import fetch, { Request, Response, Headers } from "node-fetch";
 import { URL } from "url";
@@ -84,7 +84,7 @@ export function evaluateScript(source: string) {
     const event = {
       ...e,
       respondWith: (x: ResolverResponse) => { retPromise = x },
-      graphql: (query: string, variables: Record<string, any>) => graphql(query, variables, e.authHeader),
+      graphql: (query: string, variables: Record<string, any>, ah?: AuthHeaderField) => graphql(query, variables, ah || e.authHeader),
       dql,
     }
     target.dispatchEvent(event)

src/script-to-express.test.ts

@@ -42,4 +42,17 @@ describe(scriptToExpress, () => {
       .expect(400);
     expect(response.body).toEqual("");
   })
+
+  it("gets the auth header as a key", async () => {
+    const app = scriptToExpress(`addGraphQLResolvers({
+      "Query.authHeader": ({authHeader}) => authHeader.key + authHeader.value
+    })`)
+    const response = await supertest(app)
+      .post('/graphql-worker')
+      .send({ resolver: "Query.authHeader", parents: [{ n: 41 }], authHeader: {key: "foo", value: "bar"} })
+      .set('Accept', 'application/json')
+      .expect('Content-Type', /json/)
+      .expect(200);
+    expect(response.body).toEqual(["foobar"]);
+  })
 })

src/script-to-express.ts

@@ -7,6 +7,7 @@ function bodyToEvent(b: any): GraphQLEventFields {
     type: b.resolver,
     parents: b.parents || null,
     args: b.args || {},
+    authHeader: b.authHeader,
   }
 }