fix(node): resolve types via package.json for directory import (#22878)

Does a package resolve when resolving types for a directory (copying the
behaviour that typescript does).

3 files changed, 26 insertions, 0 deletions

diff --git a/tests/specs/npm/check_pkg_json_import/__test__.json b/tests/specs/npm/check_pkg_json_import/__test__.json
new file mode 100644
index 000000000..ce8e53280
--- /dev/null
+++ b/tests/specs/npm/check_pkg_json_import/__test__.json
@@ -0,0 +1,5 @@
+{
+  "base": "npm",
+  "args": "check --all main.ts",
+  "output": "main.out"
+}
diff --git a/tests/specs/npm/check_pkg_json_import/main.out b/tests/specs/npm/check_pkg_json_import/main.out
new file mode 100644
index 000000000..1f436e613
--- /dev/null
+++ b/tests/specs/npm/check_pkg_json_import/main.out
@@ -0,0 +1,3 @@
+Download http://localhost:4545/npm/registry/@denotest/types-pkg-json-import
+Download http://localhost:4545/npm/registry/@denotest/types-pkg-json-import/1.0.0.tgz
+Check file:///[WILDLINE]/main.ts
diff --git a/tests/specs/npm/check_pkg_json_import/main.ts b/tests/specs/npm/check_pkg_json_import/main.ts
new file mode 100644
index 000000000..72b887735
--- /dev/null
+++ b/tests/specs/npm/check_pkg_json_import/main.ts
@@ -0,0 +1,18 @@
+import { createContext } from "npm:@denotest/types-pkg-json-import";
+import { useContext } from "npm:@denotest/types-pkg-json-import/hooks";
+
+export interface Foo {
+  foo: string;
+}
+
+export const CTX = createContext<Foo | undefined>(undefined);
+
+function unwrap(foo: Foo) {}
+
+export function useCSP() {
+  const foo = useContext(CTX);
+  // previously this was erroring
+  if (foo) {
+    unwrap(foo);
+  }
+}