feat(unstable): Add Deno.systemMemoryInfo() (#7350)

Co-authored-by: marcopacini <pacinim88@gmail.com>
Co-authored-by: Casper Beyer <caspervonb@pm.me>

1 files changed, 22 insertions, 0 deletions

diff --git a/cli/ops/os.rs b/cli/ops/os.rs
index 4778d49a4..a38b5b08a 100644
--- a/cli/ops/os.rs
+++ b/cli/ops/os.rs
@@ -21,6 +21,7 @@ pub fn init(s: &Rc<State>) {
   s.register_op_json_sync("op_hostname", op_hostname);
   s.register_op_json_sync("op_loadavg", op_loadavg);
   s.register_op_json_sync("op_os_release", op_os_release);
+  s.register_op_json_sync("op_system_memory_info", op_system_memory_info);
 }
 
 fn op_exec_path(
@@ -147,3 +148,24 @@ fn op_os_release(
   let release = sys_info::os_release().unwrap_or_else(|_| "".to_string());
   Ok(json!(release))
 }
+
+fn op_system_memory_info(
+  state: &State,
+  _args: Value,
+  _zero_copy: &mut [ZeroCopyBuf],
+) -> Result<Value, ErrBox> {
+  state.check_unstable("Deno.systemMemoryInfo");
+  state.check_env()?;
+  match sys_info::mem_info() {
+    Ok(info) => Ok(json!({
+      "total": info.total,
+      "free": info.free,
+      "available": info.avail,
+      "buffers": info.buffers,
+      "cached": info.cached,
+      "swapTotal": info.swap_total,
+      "swapFree": info.swap_free
+    })),
+    Err(_) => Ok(json!({})),
+  }
+}