fix: support specifying an absolute path in the patch field (#161)

Author: dsherret

Cargo.lock

@@ -37,7 +37,7 @@ thiserror = "2"
 deno_error = { version = "0.5.3", features = ["url"] }
 boxed_error = "0.2.3"
 deno_semver = { version = "0.7.1", optional = true }
-deno_package_json = { version = "0.4.0", optional = true }
+deno_package_json = { version = "0.5.0", optional = true }
 deno_path_util = "0.3.0"
 sys_traits.workspace = true
 

Cargo.toml

@@ -942,6 +942,16 @@ fn resolve_patch_config_folders<TSys: FsRead + FsMetadata + FsReadDir>(
   let resolve_patch_dir_url =
     |raw_patch: &str| -> Result<Url, WorkspaceDiscoverError> {
       let patch = ensure_trailing_slash(raw_patch);
+      // support someone specifying an absolute path
+      if !cfg!(windows) && patch.starts_with('/')
+        || cfg!(windows) && patch.chars().any(|c| c == '\\')
+      {
+        if let Ok(value) =
+          deno_path_util::url_from_file_path(&PathBuf::from(patch.as_ref()))
+        {
+          return Ok(value);
+        }
+      }
       let patch_dir_url =
         root_config_file_directory_url.join(&patch).map_err(|err| {
           WorkspaceDiscoverErrorKind::ResolvePatch {

src/workspace/discovery.rs

@@ -2235,6 +2235,7 @@ pub mod test {
 
   use deno_path_util::normalize_path;
   use deno_path_util::url_from_directory_path;
+  use deno_path_util::url_from_file_path;
   use pretty_assertions::assert_eq;
   use serde_json::json;
   use sys_traits::impls::InMemorySys;
@@ -2809,6 +2810,28 @@ pub mod test {
     );
   }
 
+  #[test]
+  fn test_patch_absolute_path() {
+    let root_path = root_dir().join("../dir");
+    let workspace_dir = workspace_for_root_and_member_with_fs(
+      json!({
+        "patch": [root_path.to_string_lossy().to_string()],
+      }),
+      json!({}),
+      |fs| {
+        fs.fs_insert_json(root_dir().join("../dir/deno.json"), json!({}));
+      },
+    );
+    assert_eq!(workspace_dir.workspace.diagnostics(), vec![]);
+    let patch_folders =
+      workspace_dir.workspace.patch_folders().collect::<Vec<_>>();
+    assert_eq!(patch_folders.len(), 1);
+    assert_eq!(
+      patch_folders[0].deno_json.as_ref().unwrap().specifier,
+      url_from_file_path(&root_dir().join("../dir/deno.json")).unwrap()
+    )
+  }
+
   #[test]
   fn test_root_member_imports_and_scopes() {
     let workspace_dir = workspace_for_root_and_member(