Add resources op (#1119)

1 files changed, 25 insertions, 0 deletions

diff --git a/js/resources.ts b/js/resources.ts
new file mode 100644
index 000000000..a28270fca
--- /dev/null
+++ b/js/resources.ts
@@ -0,0 +1,25 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import * as msg from "gen/msg_generated";
+import * as flatbuffers from "./flatbuffers";
+import { assert } from "./util";
+import * as dispatch from "./dispatch";
+
+export function resources(): { [key: number]: string } {
+  const builder = flatbuffers.createBuilder();
+  msg.Resources.startResources(builder);
+  const inner = msg.Resource.endResource(builder);
+  const baseRes = dispatch.sendSync(builder, msg.Any.Resources, inner);
+  assert(baseRes !== null);
+  assert(msg.Any.ResourcesRes === baseRes!.innerType());
+  const res = new msg.ResourcesRes();
+  assert(baseRes!.inner(res) !== null);
+
+  const resources: { [key: number]: string } = {};
+
+  for (let i = 0; i < res.resourcesLength(); i++) {
+    const item = res.resources(i)!;
+    resources[item.rid()!] = item.repr()!;
+  }
+
+  return resources;
+}