fix: ensure we don't try to remove unindexed undefined symlinks

deno.json

@@ -1,6 +1,6 @@
 {
 	"name": "@andyburke/fsdb",
-	"version": "1.0.3",
+	"version": "1.0.4",
 	"license": "MIT",
 	"exports": {
 		".": "./fsdb.ts",

fsdb.ts

@@ -7,51 +7,51 @@
  * import { FSDB_INDEXER_SYMLINKS } from '@andyburke/fsdb/indexers';
  * import { by_character, by_email, by_phone } from '@andyburke/fsdb/organizers';
  *
- *	type ITEM = {
+ * 	type ITEM = {
- *		id: string;
+ * 		id: string;
- *		email: string;
+ * 		email: string;
- *		phone: string;
+ * 		phone: string;
- *		value: string;
+ * 		value: string;
- *	};
+ * 	};
  *
- *	const item_collection: fsdb.FSDB_COLLECTION<ITEM> = new fsdb.FSDB_COLLECTION<ITEM>({
+ * 	const item_collection: fsdb.FSDB_COLLECTION<ITEM> = new fsdb.FSDB_COLLECTION<ITEM>({
- *		name: 'test-03-items',
+ * 		name: 'test-03-items',
- *		root: get_data_dir() + '/test-03-items',
+ * 		root: get_data_dir() + '/test-03-items',
- *		indexers: {
+ * 		indexers: {
- *			email: new FSDB_INDEXER_SYMLINKS<ITEM>({
+ * 			email: new FSDB_INDEXER_SYMLINKS<ITEM>({
- *				name: 'email',
+ * 				name: 'email',
- *				field: 'email',
+ * 				field: 'email',
- *				organize: by_email
+ * 				organize: by_email
- *			}),
+ * 			}),
- *			phone: new FSDB_INDEXER_SYMLINKS<ITEM>({
+ * 			phone: new FSDB_INDEXER_SYMLINKS<ITEM>({
- *				name: 'phone',
+ * 				name: 'phone',
- *				field: 'phone',
+ * 				field: 'phone',
- *				organize: by_phone
+ * 				organize: by_phone
- *			}),
+ * 			}),
- *			value: new FSDB_INDEXER_SYMLINKS<ITEM>({
+ * 			value: new FSDB_INDEXER_SYMLINKS<ITEM>({
- *				name: 'value',
+ * 				name: 'value',
- *				organize: by_character,
+ * 				organize: by_character,
- *				get_values_to_index: (item: ITEM) => item.value.split(/\W/).filter((word) => word.length > 3),
+ * 				get_values_to_index: (item: ITEM) => item.value.split(/\W/).filter((word) => word.length > 3),
- *				to_many: true
+ * 				to_many: true
- *			})
+ * 			})
- *		}
+ * 		}
- *	});
+ * 	});
  *
- *	const item = {
+ * 	const item = {
- *		id: lurid(),
+ * 		id: lurid(),
- *		email: random_email_address(),
+ * 		email: random_email_address(),
- *		phone: random_phone_number(),
+ * 		phone: random_phone_number(),
- *		value: random_sentence()
+ * 		value: random_sentence()
- *	};
+ * 	};
  *
- *	const stored_item: ITEM = await item_collection.create(item);
+ * 	const stored_item: ITEM = await item_collection.create(item);
- *	const fetched_by_email: ITEM = (await item_collection.find({ email: item.email })).map((entry) => entry.load()).shift();
+ * 	const fetched_by_email: ITEM = (await item_collection.find({ email: item.email })).map((entry) => entry.load()).shift();
- *	const fetched_by_phone: ITEM = (await item_collection.find({ phone: item.phone })).map((entry) => entry.load()).shift();
+ * 	const fetched_by_phone: ITEM = (await item_collection.find({ phone: item.phone })).map((entry) => entry.load()).shift();
- *	const fetched_by_word_in_value: ITEM = (await item_collection.find({ value: word })).map((entry) => entry.load()).shift();
+ * 	const fetched_by_word_in_value: ITEM = (await item_collection.find({ value: word })).map((entry) => entry.load()).shift();
  * ```
  *
  * @module
-*/
+ */
 
 import * as fs from '@std/fs';
 import * as path from '@std/path';

indexers/symlinks.ts

@@ -230,6 +230,10 @@ export class FSDB_INDEXER_SYMLINKS<T> implements FSDB_INDEXER<T> {
 		const item_dir: string = path.dirname(item_path);
 
 		for (const value of values) {
+			if (typeof value === 'undefined') {
+				continue;
+			}
+
 			const item_dir_reverse_link: string = path.join(item_dir, `.index.symlink.${this.config.name}.${sanitize(value)}`);
 			if (!fs.existsSync(item_dir_reverse_link)) {
 				continue;