1 files changed, 41 insertions, 0 deletions
diff --git a/cli/js/main.ts b/cli/js/main.ts
new file mode 100644
index 000000000..09e7ce453
--- /dev/null
+++ b/cli/js/main.ts
@@ -0,0 +1,41 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import "./globals.ts";
+
+import { assert, log } from "./util.ts";
+import * as os from "./os.ts";
+import { args } from "./deno.ts";
+import { setPrepareStackTrace } from "./error_stack.ts";
+import { replLoop } from "./repl.ts";
+import { setVersions } from "./version.ts";
+import { window } from "./window.ts";
+import { setLocation } from "./location.ts";
+import { setBuildInfo } from "./build.ts";
+import { setSignals } from "./process.ts";
+
+function denoMain(preserveDenoNamespace = true, name?: string): void {
+  const s = os.start(preserveDenoNamespace, name);
+
+  setBuildInfo(s.os, s.arch);
+  setSignals();
+  setVersions(s.denoVersion, s.v8Version, s.tsVersion);
+
+  setPrepareStackTrace(Error);
+
+  if (s.mainModule) {
+    assert(s.mainModule.length > 0);
+    setLocation(s.mainModule);
+  }
+
+  log("cwd", s.cwd);
+
+  for (let i = 1; i < s.argv.length; i++) {
+    args.push(s.argv[i]);
+  }
+  log("args", args);
+  Object.freeze(args);
+
+  if (!s.mainModule) {
+    replLoop();
+  }
+}
+window["denoMain"] = denoMain;