feat(std/node/fs): add realpath and realpathSync (#8169)

1 files changed, 22 insertions, 0 deletions

diff --git a/std/node/_fs/_fs_realpath.ts b/std/node/_fs/_fs_realpath.ts
new file mode 100644
index 000000000..586a87cfc
--- /dev/null
+++ b/std/node/_fs/_fs_realpath.ts
@@ -0,0 +1,22 @@
+type Options = { encoding: string };
+type Callback = (err: Error | null, path?: string) => void;
+
+export function realpath(
+  path: string,
+  options?: Options | Callback,
+  callback?: Callback,
+) {
+  if (typeof options === "function") {
+    callback = options;
+  }
+  if (!callback) {
+    throw new Error("No callback function supplied");
+  }
+  Deno.realPath(path)
+    .then((path) => callback!(null, path))
+    .catch((err) => callback!(err));
+}
+
+export function realpathSync(path: string): string {
+  return Deno.realPathSync(path);
+}