Styling basics

src/lib/server/db/category.js

@@ -31,7 +31,7 @@ const updateCategoryCache = cacheUpdater(cache);
 
 /**
  * @param {import('postgres').Sql} sql 
- * @param {number[]} user_ids 
+ * @param {number[] | undefined} user_ids 
  * @returns {Promise<Result<Category>>}
  */
 export const getCategoriesCached = cachedMethod(cache, getCategories);
@@ -40,16 +40,18 @@ export const getCategoriesCachedByRef = refExtendCachedMethod(getCategoriesCache
 
 /**
  * @param {import('postgres').Sql} sql 
- * @param {number[]} category_ids 
+ * @param {number[] | undefined} category_ids 
  * @returns {Promise<Result<Category>>}
  */
-export async function getCategories(sql, category_ids) {
-  if (category_ids.length == 0) return new Map();
+export async function getCategories(sql, category_ids = undefined) {
+  if (category_ids !== undefined && category_ids.length == 0) return new Map();
+
+  const filter = category_ids ? sql`WHERE id IN ${ sql(category_ids) }` : sql``;
 
   const query = sql`
       SELECT id, name
       FROM doki8902.post_category
-      WHERE id IN ${ sql(category_ids) };`;
+      ${ filter };`;
 
   let categories = await query;