Fix: make all option properties optional

lib/index.d.ts

@@ -5,31 +5,31 @@ export type CollectionConfig = {
     /**
      * - One or more glob patterns to match files to a collection
      */
-    pattern: string | string[];
+    pattern?: string | string[] | null;
     /**
      * - A key to sort by (e.g. `date`,`title`, ..) or a custom sort function
      */
-    sortBy: string | ((a: any, b: any) => 0 | 1 | -1);
+    sortBy?: string | ((a: any, b: any) => 0 | 1 | -1);
     /**
      * - Limit the amount of items in a collection to `limit`
      */
-    limit: number;
+    limit?: number;
     /**
      * - Adds `next` and `previous` keys to file metadata of matched files
      */
-    refer: boolean;
+    refer?: boolean;
     /**
      * - Whether to invert the sorting function results (asc/descending)
      */
-    reverse: boolean;
+    reverse?: boolean;
     /**
      * - A function that gets a `Metalsmith.File` as first argument and returns `true` for every file to include in the collection
      */
-    filterBy: Function;
+    filterBy?: Function;
     /**
      * - An object with metadata to attach to the collection, or a `json`/`yaml`filepath string to load data from (relative to `Metalsmith.directory`)
      */
-    metadata: any | string;
+    metadata?: any | string | null;
 };
 /**
  * Add `collections` of files to the global metadata as a sorted array.

src/index.js

@@ -24,13 +24,13 @@ const defaultFilter = () => true
 
 /**
  * @typedef {Object} CollectionConfig
- * @property {string|string[]} pattern - One or more glob patterns to match files to a collection
- * @property {string|(a,b) => 0|1|-1} sortBy - A key to sort by (e.g. `date`,`title`, ..) or a custom sort function
- * @property {number} limit - Limit the amount of items in a collection to `limit`
- * @property {boolean} refer - Adds `next` and `previous` keys to file metadata of matched files
- * @property {boolean} reverse - Whether to invert the sorting function results (asc/descending)
- * @property {Function} filterBy - A function that gets a `Metalsmith.File` as first argument and returns `true` for every file to include in the collection
- * @property {Object|string} metadata - An object with metadata to attach to the collection, or a `json`/`yaml`filepath string to load data from (relative to `Metalsmith.directory`)
+ * @property {string|string[]} [pattern] - One or more glob patterns to match files to a collection
+ * @property {string|(a,b) => 0|1|-1} [sortBy] - A key to sort by (e.g. `date`,`title`, ..) or a custom sort function
+ * @property {number} [limit] - Limit the amount of items in a collection to `limit`
+ * @property {boolean} [refer] - Adds `next` and `previous` keys to file metadata of matched files
+ * @property {boolean} [reverse] - Whether to invert the sorting function results (asc/descending)
+ * @property {Function} [filterBy] - A function that gets a `Metalsmith.File` as first argument and returns `true` for every file to include in the collection
+ * @property {Object|string} [metadata] - An object with metadata to attach to the collection, or a `json`/`yaml`filepath string to load data from (relative to `Metalsmith.directory`)
  */
 
 /** @type {CollectionConfig} */