Merge pull request #244 from effigies/fix/web-failure

fix: Do not crash on missing datasetTypes option

Author: effigies

changelog.d/20250829_120235_markiewicz_web_failure.md

@@ -0,0 +1,47 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Added
+
+- A bullet item for the Added category.
+
+-->
+<!--
+### Changed
+
+- A bullet item for the Changed category.
+
+-->
+### Fixed
+
+- A crash in the web validator prevented validation from taking place.
+
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Security
+
+- A bullet item for the Security category.
+
+-->
+<!--
+### Infrastructure
+
+- A bullet item for the Infrastructure category.
+
+-->

src/validators/bids.ts

@@ -73,7 +73,7 @@ export async function validate(
   }
 
   // Empty list defaults to allow all
-  if (options.datasetTypes.length) {
+  if (options.datasetTypes?.length) {
     const datasetType = (dsContext.dataset_description.DatasetType ?? 'raw') as string
     if (!options.datasetTypes.includes(datasetType)) {
       dsContext.issues.add({