feat(runtime): stabilize Deno.fstat and Deno.fstatSync (#10108)

This commit stabilizes Deno.fstat and Deno.fstatSync 
which are well known system calls and have a stable interface.

cli/diagnostics.rs

@@ -48,8 +48,6 @@ const UNSTABLE_DENO_PROPS: &[&str] = &[
   "createHttpClient",
   "emit",
   "formatDiagnostics",
-  "fstat",
-  "fstatSync",
   "futime",
   "futimeSync",
   "hostname",

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

@@ -2386,4 +2386,26 @@ declare namespace Deno {
    * ```
    */
   export function ftruncate(rid: number, len?: number): Promise<void>;
+
+  /** 
+   * Synchronously returns a `Deno.FileInfo` for the given file stream.
+   *
+   * ```ts
+   * const file = Deno.openSync("file.txt", { read: true });
+   * const fileInfo = Deno.fstatSync(file.rid);
+   * assert(fileInfo.isFile);
+   * ```
+   */
+  export function fstatSync(rid: number): FileInfo;
+
+  /**
+   * Returns a `Deno.FileInfo` for the given file stream.
+   *
+   * ```ts
+   * const file = await Deno.open("file.txt", { read: true });
+   * const fileInfo = await Deno.fstat(file.rid);
+   * assert(fileInfo.isFile);
+   * ```
+   */
+  export function fstat(rid: number): Promise<FileInfo>;
 }

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

@@ -1042,28 +1042,6 @@ declare namespace Deno {
    */
   export function hostname(): string;
 
-  /** **UNSTABLE**: New API, yet to be vetted.
-   * Synchronously returns a `Deno.FileInfo` for the given file stream.
-   *
-   * ```ts
-   * const file = Deno.openSync("file.txt", { read: true });
-   * const fileInfo = Deno.fstatSync(file.rid);
-   * assert(fileInfo.isFile);
-   * ```
-   */
-  export function fstatSync(rid: number): FileInfo;
-
-  /** **UNSTABLE**: New API, yet to be vetted.
-   * Returns a `Deno.FileInfo` for the given file stream.
-   *
-   * ```ts
-   * const file = await Deno.open("file.txt", { read: true });
-   * const fileInfo = await Deno.fstat(file.rid);
-   * assert(fileInfo.isFile);
-   * ```
-   */
-  export function fstat(rid: number): Promise<FileInfo>;
-
   /** **UNSTABLE**: New API, yet to be vetted.
    * The pid of the current process's parent.
    */

runtime/js/90_deno_ns.js

@@ -86,6 +86,8 @@
     connectTls: __bootstrap.tls.connectTls,
     listenTls: __bootstrap.tls.listenTls,
     sleepSync: __bootstrap.timers.sleepSync,
+    fstatSync: __bootstrap.fs.fstatSync,
+    fstat: __bootstrap.fs.fstat,
     fsyncSync: __bootstrap.fs.fsyncSync,
     fsync: __bootstrap.fs.fsync,
     fdatasyncSync: __bootstrap.fs.fdatasyncSync,
@@ -124,8 +126,6 @@
     listenDatagram: __bootstrap.netUnstable.listenDatagram,
     serveHttp: __bootstrap.http.serveHttp,
     startTls: __bootstrap.tls.startTls,
-    fstatSync: __bootstrap.fs.fstatSync,
-    fstat: __bootstrap.fs.fstat,
     umask: __bootstrap.fs.umask,
     futime: __bootstrap.fs.futime,
     futimeSync: __bootstrap.fs.futimeSync,

runtime/ops/fs.rs

@@ -338,7 +338,6 @@ fn op_fstat_sync(
   rid: ResourceId,
   _zero_copy: Option<ZeroCopyBuf>,
 ) -> Result<FsStat, AnyError> {
-  super::check_unstable(state, "Deno.fstat");
   let metadata = StdFileResource::with(state, rid, |r| match r {
     Ok(std_file) => std_file.metadata().map_err(AnyError::from),
     Err(_) => Err(type_error("cannot stat this type of resource".to_string())),
@@ -351,7 +350,6 @@ async fn op_fstat_async(
   rid: ResourceId,
   _zero_copy: Option<ZeroCopyBuf>,
 ) -> Result<FsStat, AnyError> {
-  super::check_unstable2(&state, "Deno.fstat");
   let resource = state
     .borrow_mut()
     .resource_table