fix(opener): return error if path not exists

.changes/fix-opener-open-path-error.md

@@ -0,0 +1,5 @@
+---
+"opener": patch
+"opener-js": patch
+---
+`open_path` now returns an error if the file does not exist

plugins/opener/src/open.rs

@@ -53,5 +53,9 @@ pub fn open_url<P: AsRef<str>, S: AsRef<str>>(url: P, with: Option<S>) -> crate:
 /// ```
 pub fn open_path<P: AsRef<Path>, S: AsRef<str>>(path: P, with: Option<S>) -> crate::Result<()> {
     let path = path.as_ref();
+    if with.is_none() {
+        // Returns an IO error if not exists, and besides `exists()` is a shorthand for `metadata()`
+        _ = path.metadata()?;
+    }
     open(path, with)
 }