introduce JSON serialization for ops (#2799)

Converts env(), exit(), execPath(), utime() and utimeSync() to use JSON
instead of flatbuffers.

1 files changed, 12 insertions, 3 deletions

diff --git a/js/dispatch.ts b/js/dispatch.ts
index 423469d38..0c5c59553 100644
--- a/js/dispatch.ts
+++ b/js/dispatch.ts
@@ -1,20 +1,29 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import * as minimal from "./dispatch_minimal";
 import * as flatbuffers from "./dispatch_flatbuffers";
+import * as json from "./dispatch_json";
 
 // These consts are shared with Rust. Update with care.
 export const OP_FLATBUFFER = 44;
 export const OP_READ = 1;
 export const OP_WRITE = 2;
+export const OP_EXIT = 3;
+export const OP_IS_TTY = 4;
+export const OP_ENV = 5;
+export const OP_EXEC_PATH = 6;
+export const OP_UTIME = 7;
 
-export function handleAsyncMsgFromRust(opId: number, ui8: Uint8Array): void {
+export function asyncMsgFromRust(opId: number, ui8: Uint8Array): void {
   switch (opId) {
     case OP_FLATBUFFER:
-      flatbuffers.handleAsyncMsgFromRust(opId, ui8);
+      flatbuffers.asyncMsgFromRust(opId, ui8);
       break;
     case OP_WRITE:
     case OP_READ:
-      minimal.handleAsyncMsgFromRust(opId, ui8);
+      minimal.asyncMsgFromRust(opId, ui8);
+      break;
+    case OP_UTIME:
+      json.asyncMsgFromRust(opId, ui8);
       break;
     default:
       throw Error("bad opId");