Adds deno.noColor (#1716)

3 files changed, 7 insertions, 3 deletions

diff --git a/js/deno.ts b/js/deno.ts
index 42bd38013..5f3998116 100644
--- a/js/deno.ts
+++ b/js/deno.ts
@@ -1,7 +1,7 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 
 // Public deno module.
-export { pid, env, exit, isTTY } from "./os";
+export { noColor, pid, env, exit, isTTY } from "./os";
 export { chdir, cwd } from "./dir";
 export {
   File,
diff --git a/js/main.ts b/js/main.ts
index b26cefcbf..4151abe75 100644
--- a/js/main.ts
+++ b/js/main.ts
@@ -39,7 +39,7 @@ export default function denoMain() {
     os.exit(0);
   }
 
-  os.setPid(startResMsg.pid());
+  os.setGlobals(startResMsg.pid(), startResMsg.noColor());
 
   const cwd = startResMsg.cwd();
   log("cwd", cwd);
diff --git a/js/os.ts b/js/os.ts
index 3122830cf..d8c3288d5 100644
--- a/js/os.ts
+++ b/js/os.ts
@@ -9,9 +9,13 @@ import * as util from "./util";
 /** process id */
 export let pid: number;
 
-export function setPid(pid_: number): void {
+/** Reflects the NO_COLOR enviromental variable: https://no-color.org/ */
+export let noColor: boolean;
+
+export function setGlobals(pid_: number, noColor_: boolean): void {
   assert(!pid);
   pid = pid_;
+  noColor = noColor_;
 }
 
 interface CodeInfo {