Resolve check-types nullability errors and template path import

Author: danielwong0115

apps/netlogo/app/components/IntroSplash.vue

@@ -188,8 +188,9 @@ const demoImageId = computed(() => {
   }
 
   // Fallback to selected column_image if available
-  if (featuredItem.column_images?.[selectedImageIndex.value]?.image?.id) {
-    return featuredItem.column_images[selectedImageIndex.value].image.id;
+  const selectedColumnImage = featuredItem.column_images?.[selectedImageIndex.value];
+  if (selectedColumnImage?.image?.id) {
+    return selectedColumnImage.image.id;
   }
 
   return null;

apps/netlogo/app/components/downloads/DownloadForm.vue

@@ -180,17 +180,19 @@ const selectedPlatform = ref("");
 
 // Set default version on mount
 onMounted(() => {
-  if (props.versions.length > 0) {
-    formData.version = props.versions[0].version;
+  const firstVersion = props.versions[0];
+  if (firstVersion) {
+    formData.version = firstVersion.version;
   }
 });
 
 // Also handle if versions load after mount (SSR hydration)
 watch(
   () => props.versions,
   (newVersions) => {
-    if (newVersions.length > 0 && !formData.version) {
-      formData.version = newVersions[0].version;
+    const firstVersion = newVersions[0];
+    if (firstVersion && !formData.version) {
+      formData.version = firstVersion.version;
     }
   },
   { immediate: true },

packages/template/src/engines.ts

@@ -6,8 +6,6 @@ import mustache from "mustache";
 
 import { RenderError } from "./errors.js";
 import { getFileExtension } from "./utils.js";
-
-import { convertPath } from "@repo/utils/std/path";
 abstract class TemplateEngine {
   public abstract registerPartial(key: string, content: string): void;
   public abstract render(content: string, variables: Record<string, unknown>): string;
@@ -32,7 +30,7 @@ abstract class TemplateEngine {
 
       const filePath = path.join(file.parentPath, file.name);
       const fileNameRelativeToRoot = path.relative(rootDirectory, filePath);
-      const fileKey: string = convertPath(fileNameRelativeToRoot, "posix");
+      const fileKey = fileNameRelativeToRoot.split(path.sep).join("/");
 
       try {
         const content = await fs.readFile(filePath, "utf-8");