chore: use `FsFile[Symbol.dispose]()` (#22007)

This change takes advantage of explicit resources management for
`FsFile` instances and tweaks documentation to encourage the use of it.

---------

Signed-off-by: Asher Gomez <ashersaupingomez@gmail.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/tools/node_compat/setup.ts b/tools/node_compat/setup.ts
index 867953ef9..2844cffdd 100755
--- a/tools/node_compat/setup.ts
+++ b/tools/node_compat/setup.ts
@@ -65,7 +65,7 @@ function getDenoTests() {
 }
 
 async function updateToDo() {
-  const file = await Deno.open(new URL("./TODO.md", import.meta.url), {
+  using file = await Deno.open(new URL("./TODO.md", import.meta.url), {
     write: true,
     create: true,
     truncate: true,
@@ -88,7 +88,6 @@ Total: ${missingTests.length}
       ),
     );
   }
-  file.close();
 }
 
 async function clearTests() {