Add back typescript version number and add Deno.version object. (#1788)

1 files changed, 8 insertions, 0 deletions

diff --git a/js/version_test.ts b/js/version_test.ts
new file mode 100644
index 000000000..d3d1bc3df
--- /dev/null
+++ b/js/version_test.ts
@@ -0,0 +1,8 @@
+import { test, assert } from "./test_util.ts";
+
+test(function version() {
+  const pattern = /^\d+\.\d+\.\d+$/;
+  assert(pattern.test(Deno.version.deno));
+  assert(pattern.test(Deno.version.v8));
+  assert(pattern.test(Deno.version.typescript));
+});