Add Deno.symbols and move internal fields for test (#3693)

1 files changed, 13 insertions, 0 deletions

diff --git a/cli/js/symbols.ts b/cli/js/symbols.ts
new file mode 100644
index 000000000..4a8a6abfe
--- /dev/null
+++ b/cli/js/symbols.ts
@@ -0,0 +1,13 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { internalSymbol } from "./internals.ts";
+import { customInspect } from "./console.ts";
+
+/** Special Deno related symbols. */
+export const symbols = {
+  /** Symbol to access exposed internal Deno API */
+  internal: internalSymbol,
+  /** A symbol which can be used as a key for a custom method which will be called
+   * when `Deno.inspect()` is called, or when the object is logged to the console.
+   */
+  customInspect
+};