feat: stabilize Deno.loadavg() (#16412)

cli/diagnostics.rs

@@ -42,7 +42,6 @@ const UNSTABLE_DENO_PROPS: &[&str] = &[
   "kill",
   "listen",
   "listenDatagram",
-  "loadavg",
   "dlopen",
   "osRelease",
   "ppid",

cli/dts/lib.deno.ns.d.ts

@@ -314,6 +314,24 @@ declare namespace Deno {
    */
   export function hostname(): string;
 
+  /**
+   * Returns an array containing the 1, 5, and 15 minute load averages. The
+   * load average is a measure of CPU and IO utilization of the last one, five,
+   * and 15 minute periods expressed as a fractional number.  Zero means there
+   * is no load. On Windows, the three values are always the same and represent
+   * the current load, not the 1, 5 and 15 minute load averages.
+   *
+   * ```ts
+   * console.log(Deno.loadavg());  // e.g. [ 0.71, 0.44, 0.44 ]
+   * ```
+   *
+   * Requires `allow-sys` permission.
+   *
+   * @tags allow-sys
+   * @category Observability
+   */
+  export function loadavg(): number[];
+
   /** Reflects the `NO_COLOR` environment variable at program start.
    *
    * When the value is `true`, the Deno CLI will attempt to not send color codes

cli/dts/lib.deno.unstable.d.ts

@@ -243,27 +243,6 @@ declare namespace Deno {
     rows: number;
   };
 
-  /** **UNSTABLE**: New API, yet to be vetted.
-   *
-   * Returns an array containing the 1, 5, and 15 minute load averages. The
-   * load average is a measure of CPU and IO utilization of the last one, five,
-   * and 15 minute periods expressed as a fractional number.  Zero means there
-   * is no load. On Windows, the three values are always the same and represent
-   * the current load, not the 1, 5 and 15 minute load averages.
-   *
-   * ```ts
-   * console.log(Deno.loadavg());  // e.g. [ 0.71, 0.44, 0.44 ]
-   * ```
-   *
-   * Requires `allow-sys` permission.
-   * There are questions around which permission this needs. And maybe should be
-   * renamed (loadAverage?).
-   *
-   * @tags allow-sys
-   * @category Observability
-   */
-  export function loadavg(): number[];
-
   /** **UNSTABLE**: New API, yet to be vetted.
    *
    * Returns the release version of the Operating System.

cli/tests/testdata/run/unstable.js

@@ -1 +1 @@
-console.log(Deno.loadavg);
+console.log(Deno.umask);

cli/tests/testdata/run/unstable.ts

@@ -1 +1 @@
-console.log(Deno.loadavg);
+console.log(Deno.umask);

cli/tests/testdata/run/unstable_disabled.out

@@ -1,5 +1,5 @@
 [WILDCARD]
-error: TS2339 [ERROR]: Property 'loadavg' does not exist on type 'typeof Deno'. 'Deno.loadavg' is an unstable API. Did you forget to run with the '--unstable' flag?
-console.log(Deno.loadavg);
-                 ~~~~~~~
+error: TS2339 [ERROR]: Property 'umask' does not exist on type 'typeof Deno'. 'Deno.umask' is an unstable API. Did you forget to run with the '--unstable' flag?
+console.log(Deno.umask);
+                 ~~~~~
     at [WILDCARD]/unstable.ts:1:18

cli/tests/testdata/run/unstable_enabled.out

@@ -1 +1 @@
-[Function: loadavg]
+[Function: umask]

cli/tests/testdata/run/unstable_enabled_js.out

@@ -1 +1 @@
-[Function: loadavg]
+[Function: umask]

runtime/js/90_deno_ns.js

@@ -89,6 +89,7 @@
     seekSync: __bootstrap.files.seekSync,
     connect: __bootstrap.net.connect,
     listen: __bootstrap.net.listen,
+    loadavg: __bootstrap.os.loadavg,
     connectTls: __bootstrap.tls.connectTls,
     listenTls: __bootstrap.tls.listenTls,
     startTls: __bootstrap.tls.startTls,
@@ -120,7 +121,6 @@
   __bootstrap.denoNsUnstable = {
     consoleSize: __bootstrap.tty.consoleSize,
     DiagnosticCategory: __bootstrap.diagnostics.DiagnosticCategory,
-    loadavg: __bootstrap.os.loadavg,
     osRelease: __bootstrap.os.osRelease,
     systemMemoryInfo: __bootstrap.os.systemMemoryInfo,
     networkInterfaces: __bootstrap.os.networkInterfaces,

runtime/ops/os.rs

@@ -160,7 +160,6 @@ fn op_exit(state: &mut OpState) {
 
 #[op]
 fn op_loadavg(state: &mut OpState) -> Result<(f64, f64, f64), AnyError> {
-  super::check_unstable(state, "Deno.loadavg");
   state
     .borrow_mut::<Permissions>()
     .sys