1.2.0

Reviewed-on: #1

README.md

@@ -6,6 +6,8 @@ This module allows you to manage saved places (Points of Interest) using the [re
 
 It leverages [Geohashes](https://www.geohash.es/) to organize data, enabling efficient retrieval of places within specific geographic areas. This structure is particularly optimized for map applications that need to load data only for the visible viewport.
 
+For a demo application, as well as source code using this module, check out [Marco](https://marco.kosmos.org).
+
 ## Installation
 
 ```bash
@@ -39,6 +41,12 @@ console.log(allPlaces);
 // List places for specific geohash prefixes (e.g. for a map view)
 const areaPlaces = await places.getPlaces(['u33d', 'u33e']);
 console.log(areaPlaces);
+
+// Create a list
+await places.lists.create('favorites', 'My Favorites');
+
+// Add a place to a list (requires list ID, place ID, and place geohash)
+await places.lists.addPlace('favorites', 'place-id-123', 'u33dc0');
 ```
 
 ## API Reference
@@ -50,3 +58,4 @@ console.log(areaPlaces);
 ### Type Aliases
 
 - [Place](docs/type-aliases/Place.md)
+- [List](docs/type-aliases/List.md)

dist/places.d.ts

@@ -57,6 +57,48 @@ declare const placeSchema: {
     };
     readonly required: readonly ["id", "title", "lat", "lon", "geohash", "createdAt"];
 };
+declare const listSchema: {
+    readonly type: "object";
+    readonly properties: {
+        readonly id: {
+            readonly type: "string";
+        };
+        readonly title: {
+            readonly type: "string";
+        };
+        readonly color: {
+            readonly type: "string";
+        };
+        readonly placeRefs: {
+            readonly type: "array";
+            readonly items: {
+                readonly type: "object";
+                readonly properties: {
+                    readonly id: {
+                        readonly type: "string";
+                    };
+                    readonly geohash: {
+                        readonly type: "string";
+                    };
+                };
+                readonly required: readonly ["id", "geohash"];
+            };
+            readonly default: readonly [];
+        };
+        readonly createdAt: {
+            readonly type: "string";
+            readonly format: "date-time";
+        };
+        readonly updatedAt: {
+            readonly type: "string";
+            readonly format: "date-time";
+        };
+    };
+    readonly required: readonly ["id", "title", "placeRefs", "createdAt"];
+};
+export type List = FromSchema<typeof listSchema> & {
+    [key: string]: any;
+};
 /**
  * Represents a Place object.
  *
@@ -126,6 +168,43 @@ export interface PlacesClient {
      * @returns An array of places.
      */
     getPlaces(prefixes?: string[]): Promise<Place[]>;
+    lists: {
+        /**
+         * Get all lists.
+         * @returns Array of List objects.
+         */
+        getAll(): Promise<List[]>;
+        /**
+         * Get a single list by ID (slug).
+         * @param id - The slug ID of the list.
+         */
+        get(id: string): Promise<List | null>;
+        /**
+         * Create or update a list.
+         * @param id - The slug ID (e.g., "to-go").
+         * @param title - Human readable title.
+         * @param color - Optional hex color code.
+         */
+        create(id: string, title: string, color?: string): Promise<List>;
+        /**
+         * Delete a list.
+         * @param id - The slug ID of the list.
+         */
+        delete(id: string): Promise<void>;
+        /**
+         * Add a place to a list.
+         * @param listId - The slug ID of the list.
+         * @param placeId - The ID of the place.
+         * @param geohash - The geohash of the place.
+         */
+        addPlace(listId: string, placeId: string, geohash: string): Promise<List>;
+        /**
+         * Remove a place from a list.
+         * @param listId - The slug ID of the list.
+         * @param placeId - The ID of the place.
+         */
+        removePlace(listId: string, placeId: string): Promise<List>;
+    };
 }
 declare const _default: {
     name: string;

dist/places.js

@@ -27,9 +27,33 @@ const placeSchema = {
     },
     required: ['id', 'title', 'lat', 'lon', 'geohash', 'createdAt'],
 };
+const listSchema = {
+    type: 'object',
+    properties: {
+        id: { type: 'string' },
+        title: { type: 'string' },
+        color: { type: 'string' },
+        placeRefs: {
+            type: 'array',
+            items: {
+                type: 'object',
+                properties: {
+                    id: { type: 'string' },
+                    geohash: { type: 'string' },
+                },
+                required: ['id', 'geohash'],
+            },
+            default: [],
+        },
+        createdAt: { type: 'string', format: 'date-time' },
+        updatedAt: { type: 'string', format: 'date-time' },
+    },
+    required: ['id', 'title', 'placeRefs', 'createdAt'],
+};
 const Places = function (privateClient /*, publicClient: BaseClient */) {
     // Define Schema
     privateClient.declareType('place', placeSchema);
+    privateClient.declareType('list', listSchema);
     // Helper to normalize place object
     function preparePlace(data) {
         const now = new Date().toISOString();
@@ -67,7 +91,91 @@ const Places = function (privateClient /*, publicClient: BaseClient */) {
         const p2 = geohash.substring(2, 4);
         return `${p1}/${p2}/${id}`;
     }
+    const lists = {
+        async getAll() {
+            const result = await privateClient.getAll('_lists/');
+            if (!result)
+                return [];
+            // Normalize result: remoteStorage.getAll returns { 'slug': object }
+            return Object.values(result);
+        },
+        async get(id) {
+            const path = `_lists/${id}`;
+            return privateClient.getObject(path);
+        },
+        async create(id, title, color) {
+            const path = `_lists/${id}`;
+            let list = (await privateClient.getObject(path));
+            const now = new Date().toISOString();
+            if (list) {
+                // Update existing
+                list.title = title;
+                if (color)
+                    list.color = color;
+                list.updatedAt = now;
+            }
+            else {
+                // Create new
+                list = {
+                    id,
+                    title,
+                    color,
+                    placeRefs: [],
+                    createdAt: now,
+                    updatedAt: now,
+                };
+            }
+            await privateClient.storeObject('list', path, list);
+            return list;
+        },
+        async delete(id) {
+            await privateClient.remove(`_lists/${id}`);
+        },
+        async addPlace(listId, placeId, geohash) {
+            const path = `_lists/${listId}`;
+            const list = (await privateClient.getObject(path));
+            if (!list) {
+                throw new Error(`List not found: ${listId}`);
+            }
+            const index = list.placeRefs.findIndex((ref) => ref.id === placeId);
+            if (index === -1) {
+                // Add only if not present
+                list.placeRefs.push({ id: placeId, geohash });
+                list.updatedAt = new Date().toISOString();
+                await privateClient.storeObject('list', path, list);
+            }
+            return list;
+        },
+        async removePlace(listId, placeId) {
+            const path = `_lists/${listId}`;
+            const list = (await privateClient.getObject(path));
+            if (!list) {
+                throw new Error(`List not found: ${listId}`);
+            }
+            const index = list.placeRefs.findIndex((ref) => ref.id === placeId);
+            if (index !== -1) {
+                // Remove only if present
+                list.placeRefs.splice(index, 1);
+                list.updatedAt = new Date().toISOString();
+                await privateClient.storeObject('list', path, list);
+            }
+            return list;
+        },
+        async initDefaults() {
+            const defaults = [
+                { id: 'to-go', title: 'Want to go', color: '#2e9e4f' }, // Green
+                { id: 'to-do', title: 'To do', color: '#2a7fff' }, // Blue
+            ];
+            for (const def of defaults) {
+                const existing = await this.get(def.id);
+                if (!existing) {
+                    await this.create(def.id, def.title, def.color);
+                }
+            }
+        },
+    };
     const places = {
+        lists,
         /**
          * Store a place.
          * Generates ID and Geohash if missing.
@@ -87,6 +195,16 @@ const Places = function (privateClient /*, publicClient: BaseClient */) {
             if (!id || !geohash) {
                 throw new Error('Both id and geohash are required to remove a place');
             }
+            // Cleanup: Remove this place from all lists
+            const allLists = await lists.getAll();
+            await Promise.all(allLists.map(async (list) => {
+                const index = list.placeRefs.findIndex((ref) => ref.id === id);
+                if (index !== -1) {
+                    list.placeRefs.splice(index, 1);
+                    list.updatedAt = new Date().toISOString();
+                    await privateClient.storeObject('list', `_lists/${list.id}`, list);
+                }
+            }));
             const path = getPath(geohash, id);
             return privateClient.remove(path);
         },

docs/README.md

@@ -10,6 +10,7 @@
 
 ## Type Aliases
 
+- [List](type-aliases/List.md)
 - [Place](type-aliases/Place.md)
 
 ## Variables

docs/interfaces/PlacesClient.md

@@ -6,6 +6,144 @@
 
 # Interface: PlacesClient
 
+## Properties
+
+### lists
+
+> **lists**: `object`
+
+#### addPlace()
+
+> **addPlace**(`listId`, `placeId`, `geohash`): `Promise`\<[`List`](../type-aliases/List.md)\>
+
+Add a place to a list.
+
+##### Parameters
+
+###### listId
+
+`string`
+
+The slug ID of the list.
+
+###### placeId
+
+`string`
+
+The ID of the place.
+
+###### geohash
+
+`string`
+
+The geohash of the place.
+
+##### Returns
+
+`Promise`\<[`List`](../type-aliases/List.md)\>
+
+#### create()
+
+> **create**(`id`, `title`, `color?`): `Promise`\<[`List`](../type-aliases/List.md)\>
+
+Create or update a list.
+
+##### Parameters
+
+###### id
+
+`string`
+
+The slug ID (e.g., "to-go").
+
+###### title
+
+`string`
+
+Human readable title.
+
+###### color?
+
+`string`
+
+Optional hex color code.
+
+##### Returns
+
+`Promise`\<[`List`](../type-aliases/List.md)\>
+
+#### delete()
+
+> **delete**(`id`): `Promise`\<`void`\>
+
+Delete a list.
+
+##### Parameters
+
+###### id
+
+`string`
+
+The slug ID of the list.
+
+##### Returns
+
+`Promise`\<`void`\>
+
+#### get()
+
+> **get**(`id`): `Promise`\<[`List`](../type-aliases/List.md) \| `null`\>
+
+Get a single list by ID (slug).
+
+##### Parameters
+
+###### id
+
+`string`
+
+The slug ID of the list.
+
+##### Returns
+
+`Promise`\<[`List`](../type-aliases/List.md) \| `null`\>
+
+#### getAll()
+
+> **getAll**(): `Promise`\<[`List`](../type-aliases/List.md)[]\>
+
+Get all lists.
+
+##### Returns
+
+`Promise`\<[`List`](../type-aliases/List.md)[]\>
+
+Array of List objects.
+
+#### removePlace()
+
+> **removePlace**(`listId`, `placeId`): `Promise`\<[`List`](../type-aliases/List.md)\>
+
+Remove a place from a list.
+
+##### Parameters
+
+###### listId
+
+`string`
+
+The slug ID of the list.
+
+###### placeId
+
+`string`
+
+The ID of the place.
+
+##### Returns
+
+`Promise`\<[`List`](../type-aliases/List.md)\>
+
 ## Methods
 
 ### get()

docs/type-aliases/List.md

@@ -0,0 +1,9 @@
+[**@remotestorage/module-places**](../README.md)
+
+***
+
+[@remotestorage/module-places](../README.md) / List
+
+# Type Alias: List
+
+> **List** = `FromSchema`\<*typeof* `listSchema`\> & `object`

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@remotestorage/module-places",
-  "version": "1.1.3",
+  "version": "1.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@remotestorage/module-places",
-      "version": "1.1.3",
+      "version": "1.2.0",
       "license": "MIT",
       "dependencies": {
         "latlon-geohash": "^2.0.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@remotestorage/module-places",
-  "version": "1.1.3",
+  "version": "1.2.0",
   "description": "Manage favorite/saved places",
   "homepage": "https://gitea.kosmos.org/raucao/remotestorage-module-places#remotestoragemodule-places",
   "repository": {
@@ -20,7 +20,9 @@
   "scripts": {
     "build": "rimraf dist && tsc",
     "doc": "typedoc",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "preversion": "pnpm test",
     "version": "pnpm run build && pnpm run doc && git add dist docs README.md"
   },
   "author": "Râu Cao <raucao@kosmos.org>",
@@ -31,7 +33,8 @@
     "rimraf": "^6.1.2",
     "typedoc": "^0.28.16",
     "typedoc-plugin-markdown": "^4.9.0",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.3",
+    "vitest": "^4.0.18"
   },
   "dependencies": {
     "latlon-geohash": "^2.0.0",

src/places.ts

@@ -31,6 +31,32 @@ const placeSchema = {
   required: ['id', 'title', 'lat', 'lon', 'geohash', 'createdAt'],
 } as const;
 
+const listSchema = {
+  type: 'object',
+  properties: {
+    id: { type: 'string' },
+    title: { type: 'string' },
+    color: { type: 'string' },
+    placeRefs: {
+      type: 'array',
+      items: {
+        type: 'object',
+        properties: {
+          id: { type: 'string' },
+          geohash: { type: 'string' },
+        },
+        required: ['id', 'geohash'],
+      },
+      default: [],
+    },
+    createdAt: { type: 'string', format: 'date-time' },
+    updatedAt: { type: 'string', format: 'date-time' },
+  },
+  required: ['id', 'title', 'placeRefs', 'createdAt'],
+} as const;
+
+export type List = FromSchema<typeof listSchema> & { [key: string]: any };
+
 /**
  * Represents a Place object.
  *
@@ -101,6 +127,49 @@ export interface PlacesClient {
    * @returns An array of places.
    */
   getPlaces(prefixes?: string[]): Promise<Place[]>;
+
+  lists: {
+    /**
+     * Get all lists.
+     * @returns Array of List objects.
+     */
+    getAll(): Promise<List[]>;
+
+    /**
+     * Get a single list by ID (slug).
+     * @param id - The slug ID of the list.
+     */
+    get(id: string): Promise<List | null>;
+
+    /**
+     * Create or update a list.
+     * @param id - The slug ID (e.g., "to-go").
+     * @param title - Human readable title.
+     * @param color - Optional hex color code.
+     */
+    create(id: string, title: string, color?: string): Promise<List>;
+
+    /**
+     * Delete a list.
+     * @param id - The slug ID of the list.
+     */
+    delete(id: string): Promise<void>;
+
+    /**
+     * Add a place to a list.
+     * @param listId - The slug ID of the list.
+     * @param placeId - The ID of the place.
+     * @param geohash - The geohash of the place.
+     */
+    addPlace(listId: string, placeId: string, geohash: string): Promise<List>;
+
+    /**
+     * Remove a place from a list.
+     * @param listId - The slug ID of the list.
+     * @param placeId - The ID of the place.
+     */
+    removePlace(listId: string, placeId: string): Promise<List>;
+  };
 }
 
 const Places = function (
@@ -108,6 +177,7 @@ const Places = function (
 ): { exports: PlacesClient } {
   // Define Schema
   privateClient.declareType('place', placeSchema as any);
+  privateClient.declareType('list', listSchema as any);
 
   // Helper to normalize place object
   function preparePlace(data: Partial<Place>): Place {
@@ -153,7 +223,110 @@ const Places = function (
     return `${p1}/${p2}/${id}`;
   }
 
+  const lists = {
+    async getAll(): Promise<List[]> {
+      const result = await privateClient.getAll('_lists/');
+      if (!result) return [];
+      // Normalize result: remoteStorage.getAll returns { 'slug': object }
+      return Object.values(result);
+    },
+
+    async get(id: string): Promise<List | null> {
+      const path = `_lists/${id}`;
+      return privateClient.getObject(path) as Promise<List | null>;
+    },
+
+    async create(id: string, title: string, color?: string): Promise<List> {
+      const path = `_lists/${id}`;
+      let list = (await privateClient.getObject(path)) as List;
+      const now = new Date().toISOString();
+
+      if (list) {
+        // Update existing
+        list.title = title;
+        if (color) list.color = color;
+        list.updatedAt = now;
+      } else {
+        // Create new
+        list = {
+          id,
+          title,
+          color,
+          placeRefs: [],
+          createdAt: now,
+          updatedAt: now,
+        } as List;
+      }
+
+      await privateClient.storeObject('list', path, list);
+      return list;
+    },
+
+    async delete(id: string): Promise<void> {
+      await privateClient.remove(`_lists/${id}`);
+    },
+
+    async addPlace(
+      listId: string,
+      placeId: string,
+      geohash: string
+    ): Promise<List> {
+      const path = `_lists/${listId}`;
+      const list = (await privateClient.getObject(path)) as List;
+
+      if (!list) {
+        throw new Error(`List not found: ${listId}`);
+      }
+
+      const index = list.placeRefs.findIndex((ref: any) => ref.id === placeId);
+
+      if (index === -1) {
+        // Add only if not present
+        list.placeRefs.push({ id: placeId, geohash });
+        list.updatedAt = new Date().toISOString();
+        await privateClient.storeObject('list', path, list);
+      }
+
+      return list;
+    },
+
+    async removePlace(listId: string, placeId: string): Promise<List> {
+      const path = `_lists/${listId}`;
+      const list = (await privateClient.getObject(path)) as List;
+
+      if (!list) {
+        throw new Error(`List not found: ${listId}`);
+      }
+
+      const index = list.placeRefs.findIndex((ref: any) => ref.id === placeId);
+
+      if (index !== -1) {
+        // Remove only if present
+        list.placeRefs.splice(index, 1);
+        list.updatedAt = new Date().toISOString();
+        await privateClient.storeObject('list', path, list);
+      }
+
+      return list;
+    },
+
+    async initDefaults(): Promise<void> {
+      const defaults = [
+        { id: 'to-go', title: 'Want to go', color: '#2e9e4f' }, // Green
+        { id: 'to-do', title: 'To do', color: '#2a7fff' }, // Blue
+      ];
+
+      for (const def of defaults) {
+        const existing = await this.get(def.id);
+        if (!existing) {
+          await this.create(def.id, def.title, def.color);
+        }
+      }
+    },
+  };
+
   const places = {
+    lists,
     /**
      * Store a place.
      * Generates ID and Geohash if missing.
@@ -174,6 +347,20 @@ const Places = function (
       if (!id || !geohash) {
         throw new Error('Both id and geohash are required to remove a place');
       }
+
+      // Cleanup: Remove this place from all lists
+      const allLists = await lists.getAll();
+      await Promise.all(
+        allLists.map(async (list) => {
+          const index = list.placeRefs.findIndex((ref: any) => ref.id === id);
+          if (index !== -1) {
+            list.placeRefs.splice(index, 1);
+            list.updatedAt = new Date().toISOString();
+            await privateClient.storeObject('list', `_lists/${list.id}`, list);
+          }
+        })
+      );
+
       const path = getPath(geohash, id);
       return privateClient.remove(path);
     },

test/places.test.ts

@@ -0,0 +1,414 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import PlacesModule from '../src/places.js';
+import { createMockClient, MockPrivateClient } from './utils.js';
+
+// We need to cast our mock to any because we are not implementing the full BaseClient interface
+const Places = PlacesModule.builder;
+
+describe('Places Module', () => {
+  let mockClient: MockPrivateClient;
+  let moduleInstance: any;
+
+  beforeEach(() => {
+    mockClient = createMockClient();
+    moduleInstance = Places(mockClient as any);
+  });
+
+  describe('Places Functionality', () => {
+    let places: any;
+
+    beforeEach(() => {
+      places = moduleInstance.exports;
+    });
+
+    describe('store', () => {
+      it('saves a place with the correct path structure', async () => {
+        const placeData = {
+          title: 'Test Place',
+          lat: 52.5,
+          lon: 13.4,
+        };
+
+        await places.store(placeData);
+
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'place',
+          expect.stringMatching(/^u3\/3d\/.+/),
+          expect.objectContaining({
+            title: 'Test Place',
+            lat: 52.5,
+            lon: 13.4,
+          })
+        );
+      });
+    });
+
+    describe('remove', () => {
+      it('deletes a place at the correct path', async () => {
+        const id = 'some-id';
+        const geohash = 'u33dc0'; // u3/3d/
+
+        mockClient.getAll.mockResolvedValue([]);
+
+        await places.remove(id, geohash);
+
+        expect(mockClient.remove).toHaveBeenCalledWith('u3/3d/some-id');
+      });
+
+      it('cleans up references from lists', async () => {
+        const id = 'some-id';
+        const geohash = 'u33dc0';
+
+        const mockLists = {
+          'to-go': {
+            id: 'to-go',
+            placeRefs: [{ id: 'some-id', geohash: 'u33dc0' }],
+          },
+          'to-do': { id: 'to-do', placeRefs: [] },
+        };
+        mockClient.getAll.mockResolvedValue(Object.values(mockLists));
+
+        await places.remove(id, geohash);
+
+        expect(mockClient.getAll).toHaveBeenCalledWith('_lists/');
+
+        // Expect "to-go" to be updated without the reference
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/to-go',
+          expect.objectContaining({
+            placeRefs: [],
+          })
+        );
+      });
+    });
+
+    describe('get', () => {
+      it('retrieves a single place at the correct path', async () => {
+        const id = 'some-id';
+        const geohash = 'u33dc0';
+        const mockPlace = { id, geohash, title: 'Test Place' };
+        mockClient.getObject.mockResolvedValue(mockPlace);
+
+        const result = await places.get(id, geohash);
+
+        expect(mockClient.getObject).toHaveBeenCalledWith('u3/3d/some-id');
+        expect(result).toEqual(mockPlace);
+      });
+    });
+
+    describe('listByPrefix', () => {
+      it('lists subfolders for 2-char prefix', async () => {
+        const prefix = 'u3';
+        const mockListing = { '3d/': true };
+        mockClient.getAll.mockResolvedValue(mockListing);
+
+        const result = await places.listByPrefix(prefix);
+
+        expect(mockClient.getAll).toHaveBeenCalledWith('u3/');
+        expect(result).toEqual(mockListing);
+      });
+
+      it('lists places for 4-char prefix', async () => {
+        const prefix = 'u33d';
+        const mockPlaces = { place1: { title: 'Place 1' } };
+        mockClient.getAll.mockResolvedValue(mockPlaces);
+
+        const result = await places.listByPrefix(prefix);
+
+        expect(mockClient.getAll).toHaveBeenCalledWith('u3/3d/');
+        expect(result).toEqual(mockPlaces);
+      });
+    });
+
+    describe('getPlaces', () => {
+      it('fetches places from specified prefixes', async () => {
+        const prefixes = ['u33d', 'w1q7'];
+        const mockPlaces1 = { p1: { id: 'p1', geohash: 'u33d' } };
+        const mockPlaces2 = { p2: { id: 'p2', geohash: 'w1q7' } };
+
+        mockClient.getAll.mockImplementation(async (path: string) => {
+          if (path === 'u3/3d/') return mockPlaces1;
+          if (path === 'w1/q7/') return mockPlaces2;
+          return {};
+        });
+
+        const result = await places.getPlaces(prefixes);
+
+        expect(mockClient.getAll).toHaveBeenCalledWith('u3/3d/', false);
+        expect(mockClient.getAll).toHaveBeenCalledWith('w1/q7/', false);
+        expect(result).toHaveLength(2);
+        expect(result).toContainEqual(mockPlaces1['p1']);
+        expect(result).toContainEqual(mockPlaces2['p2']);
+      });
+
+      it('recursively fetches all places when no prefix is provided', async () => {
+        // Mock directory structure
+        // root -> 'u3/'
+        // 'u3/' -> '3d/'
+        // 'u3/3d/' -> place1
+
+        mockClient.getListing.mockImplementation(async (path: string) => {
+          if (path === '') return { 'u3/': true };
+          if (path === 'u3/') return { '3d/': true };
+          return {};
+        });
+
+        const mockPlaces = { place1: { id: 'p1', geohash: 'u33d' } };
+        mockClient.getAll.mockImplementation(async (path: string) => {
+          if (path === 'u3/3d/') return mockPlaces;
+          return {};
+        });
+
+        const result = await places.getPlaces();
+
+        expect(mockClient.getListing).toHaveBeenCalledWith('', false);
+        expect(mockClient.getListing).toHaveBeenCalledWith('u3/', false);
+        expect(mockClient.getAll).toHaveBeenCalledWith('u3/3d/', false);
+        expect(result).toHaveLength(1);
+        expect(result[0]).toEqual(mockPlaces['place1']);
+      });
+    });
+  });
+
+  describe('Lists Functionality', () => {
+    let lists: any;
+
+    beforeEach(() => {
+      lists = moduleInstance.exports.lists;
+    });
+
+    describe('getAll', () => {
+      it('returns all lists from the _lists/ directory', async () => {
+        const mockLists = {
+          'to-go': { id: 'to-go', title: 'Want to go' },
+          hiking: { id: 'hiking', title: 'Hiking' },
+        };
+        mockClient.getAll.mockResolvedValue(mockLists);
+
+        const result = await lists.getAll();
+        expect(mockClient.getAll).toHaveBeenCalledWith('_lists/');
+        expect(result).toEqual(Object.values(mockLists));
+      });
+    });
+
+    describe('get', () => {
+      it('returns a single list by ID', async () => {
+        const mockList = { id: 'hiking', title: 'Hiking' };
+        mockClient.getObject.mockResolvedValue(mockList);
+
+        const result = await lists.get('hiking');
+        expect(mockClient.getObject).toHaveBeenCalledWith('_lists/hiking');
+        expect(result).toEqual(mockList);
+      });
+    });
+
+    describe('create', () => {
+      it('stores a new list when none exists', async () => {
+        const now = '2023-01-01T00:00:00.000Z';
+        vi.setSystemTime(new Date(now));
+
+        // Mock getObject to return null (not existing)
+        mockClient.getObject.mockResolvedValue(null);
+
+        const result = await lists.create('hiking', 'Hiking', '#00ff00');
+
+        expect(mockClient.getObject).toHaveBeenCalledWith('_lists/hiking');
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/hiking',
+          {
+            id: 'hiking',
+            title: 'Hiking',
+            color: '#00ff00',
+            placeRefs: [],
+            createdAt: now,
+            updatedAt: now,
+          }
+        );
+        expect(result).toMatchObject({ id: 'hiking', title: 'Hiking' });
+
+        vi.useRealTimers();
+      });
+
+      it('updates an existing list preserving creation time and references', async () => {
+        const now = '2023-01-02T00:00:00.000Z';
+        vi.setSystemTime(new Date(now));
+
+        const existing = {
+          id: 'hiking',
+          title: 'Old Title',
+          color: '#ffffff',
+          placeRefs: [{ id: '123', geohash: 'abc' }],
+          createdAt: '2022-01-01T00:00:00.000Z',
+        };
+        mockClient.getObject.mockResolvedValue(existing);
+
+        await lists.create('hiking', 'Hiking Updated', '#000000');
+
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/hiking',
+          expect.objectContaining({
+            id: 'hiking',
+            title: 'Hiking Updated',
+            color: '#000000',
+            placeRefs: existing.placeRefs, // Should preserve refs
+            createdAt: existing.createdAt, // Should preserve createdAt
+            updatedAt: now, // Should update updatedAt
+          })
+        );
+
+        vi.useRealTimers();
+      });
+    });
+
+    describe('delete', () => {
+      it('removes the list document', async () => {
+        await lists.delete('hiking');
+        expect(mockClient.remove).toHaveBeenCalledWith('_lists/hiking');
+      });
+    });
+
+    describe('addPlace', () => {
+      it('adds a place reference when not present', async () => {
+        const now = '2023-01-03T00:00:00.000Z';
+        vi.setSystemTime(new Date(now));
+
+        const list = {
+          id: 'hiking',
+          placeRefs: [],
+          updatedAt: 'old-date',
+        };
+        mockClient.getObject.mockResolvedValue(list);
+
+        await lists.addPlace('hiking', 'place-123', 'w1q7');
+
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/hiking',
+          expect.objectContaining({
+            placeRefs: [{ id: 'place-123', geohash: 'w1q7' }],
+            updatedAt: now,
+          })
+        );
+
+        vi.useRealTimers();
+      });
+
+      it('does nothing if place is already present', async () => {
+        const list = {
+          id: 'hiking',
+          placeRefs: [{ id: 'place-123', geohash: 'w1q7' }],
+          updatedAt: 'old-date',
+        };
+        mockClient.getObject.mockResolvedValue(list);
+
+        await lists.addPlace('hiking', 'place-123', 'w1q7');
+
+        expect(mockClient.storeObject).not.toHaveBeenCalled();
+      });
+    });
+
+    describe('removePlace', () => {
+      it('removes a place reference when present', async () => {
+        const now = '2023-01-04T00:00:00.000Z';
+        vi.setSystemTime(new Date(now));
+
+        const list = {
+          id: 'hiking',
+          placeRefs: [{ id: 'place-123', geohash: 'w1q7' }],
+          updatedAt: 'old-date',
+        };
+        mockClient.getObject.mockResolvedValue(list);
+
+        await lists.removePlace('hiking', 'place-123');
+
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/hiking',
+          expect.objectContaining({
+            placeRefs: [],
+            updatedAt: now,
+          })
+        );
+
+        vi.useRealTimers();
+      });
+
+      it('does nothing if place is not present', async () => {
+        const list = {
+          id: 'hiking',
+          placeRefs: [],
+          updatedAt: 'old-date',
+        };
+        mockClient.getObject.mockResolvedValue(list);
+
+        await lists.removePlace('hiking', 'place-123');
+
+        expect(mockClient.storeObject).not.toHaveBeenCalled();
+      });
+    });
+
+    describe('initDefaults', () => {
+      it('creates "Want to go" list if missing', async () => {
+        mockClient.getObject.mockResolvedValue(null);
+
+        await lists.initDefaults();
+
+        expect(mockClient.getObject).toHaveBeenCalledWith('_lists/to-go');
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/to-go',
+          expect.objectContaining({
+            title: 'Want to go',
+            id: 'to-go',
+            color: '#2e9e4f',
+          })
+        );
+      });
+
+      it('creates "To do" list if missing', async () => {
+        mockClient.getObject.mockResolvedValue(null);
+
+        await lists.initDefaults();
+
+        expect(mockClient.getObject).toHaveBeenCalledWith('_lists/to-do');
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/to-do',
+          expect.objectContaining({
+            title: 'To do',
+            id: 'to-do',
+            color: '#2a7fff',
+          })
+        );
+      });
+
+      it('does not overwrite existing lists', async () => {
+        // Mock that "to-go" exists but "to-do" does not
+        mockClient.getObject.mockImplementation(async (path: string) => {
+          if (path === '_lists/to-go')
+            return { id: 'to-go', title: 'Existing' };
+          return null;
+        });
+
+        await lists.initDefaults();
+
+        // Should NOT write to-go
+        expect(mockClient.storeObject).not.toHaveBeenCalledWith(
+          'list',
+          '_lists/to-go',
+          expect.anything()
+        );
+
+        // Should write to-do
+        expect(mockClient.storeObject).toHaveBeenCalledWith(
+          'list',
+          '_lists/to-do',
+          expect.anything()
+        );
+      });
+    });
+  });
+});

test/utils.ts

@@ -0,0 +1,16 @@
+import { vi } from 'vitest';
+
+export class MockPrivateClient {
+  storeObject = vi.fn();
+  remove = vi.fn();
+  getObject = vi.fn();
+  getAll = vi.fn();
+  getListing = vi.fn();
+  declareType = vi.fn();
+
+  // Helper to verify calls easily if needed directly
+}
+
+export function createMockClient() {
+  return new MockPrivateClient();
+}

vitest.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    environment: 'node', // Using node environment as we are testing logic not browser specifics
+    include: ['test/**/*.test.ts'],
+    deps: {
+      interopDefault: true,
+    },
+  },
+});