fix(kit): gate dirs dep behind feature gate to fix wasm build

crates/txtx-addon-kit/Cargo.toml

@@ -35,15 +35,18 @@ hmac = "0.12.0"
 pbkdf2 = { version = "0.12.2", features = ["simple"], default-features = false }
 libsecp256k1 = { version = "0.7.0" }
 keccak-hash = "0.11.0"
-dirs = "5.0.1"
+dirs = { version = "5.0.1", optional = true }
 dyn-clone = "1"
 
 [dev-dependencies]
 test-case = "3.3"
 hiro-system-kit = "0.3.4"
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2", features = ["js"] }
+
 [features]
-default=[]
+default = ["dirs"]
 wasm = []
 
 [lib]

crates/txtx-addon-kit/src/types/mod.rs

@@ -1,4 +1,5 @@
 use std::collections::HashMap;
+#[cfg(feature = "dirs")]
 use std::env;
 use std::fmt::Display;
 use std::path::PathBuf;
@@ -323,8 +324,18 @@ impl AuthorizationContext {
         let path_str = input.to_string_lossy();
 
         let loc = if let Some(stripped) = path_str.strip_prefix("~/") {
-            let home = PathBuf::from(get_home_dir());
-            FileLocation::from_path(home.join(stripped))
+            #[cfg(feature = "dirs")]
+            {
+                let home = PathBuf::from(get_home_dir());
+                FileLocation::from_path(home.join(stripped))
+            }
+            #[cfg(not(feature = "dirs"))]
+            {
+                let _ = stripped;
+                return Err(
+                    "Home directory expansion (~/) is not supported in this build".to_string(),
+                );
+            }
         }
         // If absolute, use as-is
         else if input.is_absolute() {
@@ -349,6 +360,7 @@ impl AuthorizationContext {
 /// We set out snap build to set this environment variable to the real home directory,
 /// because by default, snaps run in a confined environment where the home directory is not
 /// the user's actual home directory.
+#[cfg(feature = "dirs")]
 fn get_home_dir() -> String {
     if let Ok(real_home) = env::var("SNAP_REAL_HOME") {
         let path_buf = PathBuf::from(real_home);

crates/txtx-addon-kit/src/types/tests/mod.rs

@@ -61,7 +61,16 @@ fn it_rejects_invalid_keys() {
     }
 }
 
+#[cfg(feature = "dirs")]
 #[test_case("~/home/path", dirs::home_dir().unwrap().join("home/path").to_str().unwrap())]
+fn test_auth_context_get_path_from_str_home(path_str: &str, expected: &str) {
+    let auth_context = AuthorizationContext::new(FileLocation::from_path(
+        Path::new("/workspace/txtx.yml").to_path_buf(),
+    ));
+    let result = auth_context.get_file_location_from_path_buf(&PathBuf::from(path_str)).unwrap();
+    assert_eq!(result.to_string(), expected);
+}
+
 #[test_case("/absolute/path", "/absolute/path")]
 #[test_case("./relative/path", "/workspace/./relative/path"; "current directory")]
 #[test_case("../relative/path", "/workspace/../relative/path"; "parent directory")]