bring back json ops (#2815)

1 files changed, 5 insertions, 13 deletions

diff --git a/js/format_error.ts b/js/format_error.ts
index 6670b05e2..dde0f6a58 100644
--- a/js/format_error.ts
+++ b/js/format_error.ts
@@ -1,17 +1,9 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-import { sendSync, msg, flatbuffers } from "./dispatch_flatbuffers";
-import { assert } from "./util";
+import * as dispatch from "./dispatch";
+import { sendSync } from "./dispatch_json";
 
+// TODO(bartlomieju): move to `repl.ts`?
 export function formatError(errString: string): string {
-  const builder = flatbuffers.createBuilder();
-  const errString_ = builder.createString(errString);
-  const offset = msg.FormatError.createFormatError(builder, errString_);
-  const baseRes = sendSync(builder, msg.Any.FormatError, offset);
-  assert(baseRes != null);
-  assert(msg.Any.FormatErrorRes === baseRes!.innerType());
-  const formatErrorResMsg = new msg.FormatErrorRes();
-  assert(baseRes!.inner(formatErrorResMsg) != null);
-  const formattedError = formatErrorResMsg.error();
-  assert(formatError != null);
-  return formattedError!;
+  const res = sendSync(dispatch.OP_FORMAT_ERROR, { error: errString });
+  return res.error;
 }