flake improvements

.gitignore

@@ -171,3 +171,5 @@ jj-workflow.mdc
 third_party
 
 baml_repl_history.txt
+
+result

engine/Cargo.toml

@@ -188,6 +188,9 @@ authors = ["Boundary <[email protected]>"]
 description = "BAML Toolchain"
 license-file = "LICENSE"
 
+[workspace.metadata.crane]
+name = "baml-workspace"
+
 [workspace.metadata.workspaces]
 allow_branch = "canary"
 

engine/language_client_typescript/build.rs

@@ -1,5 +1,51 @@
 extern crate napi_build;
 
+use std::{
+    env,
+    path::{Path, PathBuf},
+};
+
 fn main() {
+    // These env vars are occasionally set on systems with particular
+    // requirements for napi inputs and outputs. Most builds can ignore
+    // this and will simply run the napi_build::setup() in the `false`
+    // branch.
+    if let (Ok(tmp_path), Ok(pkg_name), Ok(out_dir)) = (
+        env::var("TYPE_DEF_TMP_PATH"),
+        env::var("CARGO_PKG_NAME"),
+        env::var("OUT_DIR"),
+    ) {
+        if Path::new(&tmp_path).parent().is_some() {
+            let bridge_dir = PathBuf::from(out_dir).join("napi-type-def");
+            let _ = std::fs::create_dir_all(&bridge_dir);
+            let symlink_path = bridge_dir.join(pkg_name);
+
+            // Remove any stale symlink/file from previous builds.
+            let _ = std::fs::remove_file(&symlink_path);
+
+            #[cfg(unix)]
+            {
+                let _ = std::os::unix::fs::symlink(&tmp_path, &symlink_path);
+            }
+
+            #[cfg(windows)]
+            {
+                let target = if Path::new(&tmp_path).is_dir() {
+                    std::os::windows::fs::symlink_dir(&tmp_path, &symlink_path)
+                } else {
+                    std::os::windows::fs::symlink_file(&tmp_path, &symlink_path)
+                };
+                let _ = target;
+            }
+
+            // Point napi-derive at the directory that now contains the symlink so it writes
+            // through to the legacy TYPE_DEF_TMP_PATH provided by the older CLI.
+            println!(
+                "cargo:rustc-env=NAPI_TYPE_DEF_TMP_FOLDER={}",
+                bridge_dir.display()
+            );
+        }
+    }
+
     napi_build::setup();
 }