fix(node/fs): copyFile with `COPYFILE_EXCL` should not throw if the destination doesn't exist (#26360)

Fixes #26313.

We were checking for the NotFound error, but still calling the callback
with the error / throwing.

1 files changed, 4 insertions, 2 deletions

diff --git a/ext/node/polyfills/_fs/_fs_copy.ts b/ext/node/polyfills/_fs/_fs_copy.ts
index 2f8ddf4fc..0434bff4d 100644
--- a/ext/node/polyfills/_fs/_fs_copy.ts
+++ b/ext/node/polyfills/_fs/_fs_copy.ts
@@ -53,8 +53,9 @@ export function copyFile(
     }, (e) => {
       if (e instanceof Deno.errors.NotFound) {
         Deno.copyFile(srcStr, destStr).then(() => cb(null), cb);
+      } else {
+        cb(e);
       }
-      cb(e);
     });
   } else {
     Deno.copyFile(srcStr, destStr).then(() => cb(null), cb);
@@ -83,8 +84,9 @@ export function copyFileSync(
     } catch (e) {
       if (e instanceof Deno.errors.NotFound) {
         Deno.copyFileSync(srcStr, destStr);
+      } else {
+        throw e;
       }
-      throw e;
     }
   } else {
     Deno.copyFileSync(srcStr, destStr);