fix: parse notifications

src/dereference-document.ts

@@ -27,8 +27,8 @@
 
   try {
     // returns resolved value of the reference
     return (await resolver.resolve($ref, doc) as any);
   } catch (err: any) {
     throw new OpenRPCDocumentDereferencingError([
       `unable to eval pointer against OpenRPC Document.`,
       `error type: ${err.name}`,
@@ -64,7 +64,7 @@
       delete dereffed.components;
     }
     return dereffed;
   } catch (e: any) {
     throw new OpenRPCDocumentDereferencingError([
       "Unable to parse reference inside of JSONSchema",
       s.title ? `Schema Title: ${s.title}` : "",
@@ -143,7 +143,9 @@
   }
 
   method.params = await derefItems(method.params as ReferenceObject[], doc, resolver);
-  method.result = await derefItem(method.result as ReferenceObject, doc, resolver);
+  if (method.result !== undefined) {
+    method.result = await derefItem(method.result as ReferenceObject, doc, resolver);
+  }
 
 
   let componentSchemas: SchemaComponents = {};
@@ -157,8 +159,10 @@
     p.schema = await handleSchemaWithSchemaComponents(p.schema, componentSchemas);
   }
 
-  const result = method.result as ContentDescriptorObject;
-  result.schema = await handleSchemaWithSchemaComponents(result.schema, componentSchemas);
+  if (method.result !== undefined) {
+    const result = method.result as ContentDescriptorObject;
+    result.schema = await handleSchemaWithSchemaComponents(result.schema, componentSchemas);
+  }
 
   return method;
 };
@@ -192,7 +196,7 @@
 
   derefDoc = await handleSchemaComponents(derefDoc);
   derefDoc = await handleSchemasInsideContentDescriptorComponents(derefDoc);
   const methods = [] as any;
   for (const method of derefDoc.methods) {
     methods.push(await handleMethod(method, derefDoc, resolver));
   }

src/parse-open-rpc-document.test.ts

@@ -24,6 +24,20 @@ const workingDocument: OpenRPC = {
   openrpc: "1.0.0-rc1",
 };
 
+const notificationDocument: OpenRPC = {
+  ...workingDocument,
+  methods: [
+    {
+      name: "foo",
+      params: [
+        {
+          name: "bar",
+          schema: { "type": "boolean" },
+        },
+      ],
+    },
+  ],
+};
 const badRefDocument: OpenRPC = {
   ...workingDocument,
   methods: [
@@ -101,6 +115,12 @@ describe("parseOpenRPCDocument", () => {
     expect(document.methods).toBeDefined();
   });
 
+  it("handles being passed an open rpc object with notification", async () => {
+    expect.assertions(1);
+    const document = await parseOpenRPCDocument(notificationDocument);
+    expect(document.methods).toBeDefined();
+  });
+
   it("can disable validation", async () => {
     expect.assertions(1);
     const document = await parseOpenRPCDocument(invalidDocument, { validate: false });