fix: make fs a feature

Cargo.toml

@@ -6,7 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-default = ["dom"]
+default = ["dom", "fs"]
 dom = []
+fs = []
 
 [dependencies]

src/lib.rs

@@ -5,6 +5,7 @@ pub mod dom;
 /// All sorts of general use macros
 pub mod macros;
 
+#[cfg(feature = "fs")]
 /// Filesystem things
 pub mod filesystem;
 
@@ -29,6 +30,7 @@ mod tests {
         assert_eq!(String::from("foo"), into!(String, foo));
     }
 
+    #[cfg(feature = "fs")]
     #[test]
     fn fs() {
         if let Ok(_) = std::path::Path::new("./file").ensure_file() {