fix(find): correctly idenfity promise returned from cache (#117)

dominikg · Sep 2, 2023 · 7c055a7 · 7c055a7
1 parent 03ad886
commit 7c055a7
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/.changeset/wise-hairs-clean.md b/.changeset/wise-hairs-clean.md
@@ -0,0 +1,5 @@
+---
+'tsconfck': patch
+---
+
+fix(find): only call then on promise in cache"
diff --git a/packages/tsconfck/src/find.js b/packages/tsconfck/src/find.js
@@ -43,8 +43,8 @@ function findUp(dir, promise, done, cache, root) {
 	if (cache) {
 		if (cache.hasTSConfigPath(dir)) {
 			const cached = cache.getTSConfigPath(dir);
-			if (cached.then) {
-				cached.then(done).catch((err) => done(null, err));
+			if (cached?.then) {
+				/** @type Promise<string|null> */ cached.then(done).catch((err) => done(null, err));
 			} else {
 				done(/**@type {string|null} */ (cached));
 			}