3 files changed, 17 insertions, 0 deletions
diff --git a/cli/main.rs b/cli/main.rs
index d1f521a81..1bbc839e8 100644
--- a/cli/main.rs
+++ b/cli/main.rs
@@ -156,6 +156,7 @@ fn create_web_worker_callback(ps: ProcState) -> Arc<CreateWebWorkerCb> {
         enable_testing_features: ps.flags.enable_testing_features,
         location: Some(args.main_module.clone()),
         no_color: !colors::use_color(),
+        is_tty: colors::is_tty(),
         runtime_version: version::deno(),
         ts_version: version::TYPESCRIPT.to_string(),
         unstable: ps.flags.unstable,
@@ -256,6 +257,7 @@ pub fn create_main_worker(
       enable_testing_features: ps.flags.enable_testing_features,
       location: ps.flags.location.clone(),
       no_color: !colors::use_color(),
+      is_tty: colors::is_tty(),
       runtime_version: version::deno(),
       ts_version: version::TYPESCRIPT.to_string(),
       unstable: ps.flags.unstable,
diff --git a/cli/standalone.rs b/cli/standalone.rs
index bd7bef8ac..bea29f263 100644
--- a/cli/standalone.rs
+++ b/cli/standalone.rs
@@ -276,6 +276,7 @@ pub async fn run(
       enable_testing_features: false,
       location: metadata.location,
       no_color: !colors::use_color(),
+      is_tty: colors::is_tty(),
       runtime_version: version::deno(),
       ts_version: version::TYPESCRIPT.to_string(),
       unstable: metadata.unstable,
diff --git a/cli/tests/unit/tty_color_test.ts b/cli/tests/unit/tty_color_test.ts
new file mode 100644
index 000000000..d64c278bf
--- /dev/null
+++ b/cli/tests/unit/tty_color_test.ts
@@ -0,0 +1,14 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+import { assertEquals } from "./test_util.ts";
+
+// Note tests for Deno.setRaw is in integration tests.
+
+Deno.test({ permissions: { run: true } }, async function noColorIfNotTty() {
+  const p = Deno.run({
+    cmd: [Deno.execPath(), "eval", "console.log(1)"],
+    stdout: "piped",
+  });
+  const output = new TextDecoder().decode(await p.output());
+  assertEquals(output, "1\n");
+  p.close();
+});