From ffb5f7a4e1d5d4ac488058ca3ec3c0805587fe44 Mon Sep 17 00:00:00 2001
From: Nayeem Rahman <nayeemrmn99@gmail.com>
Date: Thu, 17 Dec 2020 16:37:57 +0000
Subject: refactor: Rename runtime/rt to runtime/js (#8806)

---
 runtime/js/30_os.js | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 runtime/js/30_os.js

(limited to 'runtime/js/30_os.js')

diff --git a/runtime/js/30_os.js b/runtime/js/30_os.js
new file mode 100644
index 000000000..ebc4e8916
--- /dev/null
+++ b/runtime/js/30_os.js
@@ -0,0 +1,66 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+((window) => {
+  const core = window.Deno.core;
+
+  function loadavg() {
+    return core.jsonOpSync("op_loadavg");
+  }
+
+  function hostname() {
+    return core.jsonOpSync("op_hostname");
+  }
+
+  function osRelease() {
+    return core.jsonOpSync("op_os_release");
+  }
+
+  function systemMemoryInfo() {
+    return core.jsonOpSync("op_system_memory_info");
+  }
+
+  function systemCpuInfo() {
+    return core.jsonOpSync("op_system_cpu_info");
+  }
+
+  function exit(code = 0) {
+    core.jsonOpSync("op_exit", { code });
+    throw new Error("Code not reachable");
+  }
+
+  function setEnv(key, value) {
+    core.jsonOpSync("op_set_env", { key, value });
+  }
+
+  function getEnv(key) {
+    return core.jsonOpSync("op_get_env", { key })[0];
+  }
+
+  function deleteEnv(key) {
+    core.jsonOpSync("op_delete_env", { key });
+  }
+
+  const env = {
+    get: getEnv,
+    toObject() {
+      return core.jsonOpSync("op_env");
+    },
+    set: setEnv,
+    delete: deleteEnv,
+  };
+
+  function execPath() {
+    return core.jsonOpSync("op_exec_path");
+  }
+
+  window.__bootstrap.os = {
+    env,
+    execPath,
+    exit,
+    osRelease,
+    systemMemoryInfo,
+    systemCpuInfo,
+    hostname,
+    loadavg,
+  };
+})(this);
-- 
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