Pass info param to child resolvers

Author: happylinks

src/resolver.ts

@@ -30,7 +30,7 @@ export const createResolver = (resFn, errFn) => {
         // If the parent returns a value, continue
         if (isNotNullOrUndefined(r)) return r;
         // Call the child resolver function or a no-op (returns null)
-        return isFunction(cResFn) ? Promisify(cResFn)(root, args, context) : Promise.resolve(null);
+        return isFunction(cResFn) ? Promisify(cResFn)(root, args, context, info) : Promise.resolve(null);
       });
     };
 

test/unit/resolver_spec.js

@@ -185,5 +185,16 @@ describe('(unit) dist/resolver.js', () => {
       baseResolver(null, null, null, { info: 'info' })
       chainedResolver(null, null, null, { chained: 'info' })
     })
+    it('should pass the info parameter to child resolvers', () => {
+      const childHandle = (root, args, context, info) => {
+        expect(typeof info).to.equal('object')
+        expect(info.info).to.equal('info')
+      };
+
+      const baseResolver = createResolver();
+      const childResolver = baseResolver.createResolver(childHandle)
+
+      childResolver(null, null, null, { info: 'info' })
+    })
   })
 });