From 7a9766dd18cc85053c984cb991dc3debac92530c Mon Sep 17 00:00:00 2001
From: MVEMCJSUNPE <2frac.d.x@gmail.com>
Date: Tue, 15 Dec 2020 04:13:22 -0600
Subject: feat(std/node): Added os.type (#8591)

---
 std/node/os.ts      | 13 +++++++++++--
 std/node/os_test.ts | 14 +++++++-------
 2 files changed, 18 insertions(+), 9 deletions(-)

(limited to 'std')

diff --git a/std/node/os.ts b/std/node/os.ts
index bec3de5ee..776eff92d 100644
--- a/std/node/os.ts
+++ b/std/node/os.ts
@@ -190,9 +190,18 @@ export function totalmem(): number {
   return Deno.systemMemoryInfo().total;
 }
 
-/** Not yet implemented */
+/** Returns operating system type (i.e. 'Windows_NT', 'Linux', 'Darwin') */
 export function type(): string {
-  notImplemented(SEE_GITHUB_ISSUE);
+  switch (Deno.build.os) {
+    case "windows":
+      return "Windows_NT";
+    case "linux":
+      return "Linux";
+    case "darwin":
+      return "Darwin";
+    default:
+      throw Error("unreachable");
+  }
 }
 
 /** Not yet implemented */
diff --git a/std/node/os_test.ts b/std/node/os_test.ts
index 8879f8345..3200083a1 100644
--- a/std/node/os_test.ts
+++ b/std/node/os_test.ts
@@ -47,6 +47,13 @@ Deno.test({
   },
 });
 
+Deno.test({
+  name: "type is a string",
+  fn() {
+    assertEquals(typeof os.type(), "string");
+  },
+});
+
 Deno.test({
   name: "getPriority(): PID must be a 32 bit integer",
   fn() {
@@ -245,13 +252,6 @@ Deno.test({
       Error,
       "Not implemented",
     );
-    assertThrows(
-      () => {
-        os.type();
-      },
-      Error,
-      "Not implemented",
-    );
     assertThrows(
       () => {
         os.uptime();
-- 
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