@signaldb/indexeddb/dist/index.mjs.map

This is the `IndexedDB` persistence adapter for [SignalDB](https://github.com/maxnowack/signaldb). SignalDB is a local-first JavaScript database with real-time sync, enabling optimistic UI with signal-based reactivity across multiple frameworks.

{"version":3,"file":"index.mjs","sources":["../src/index.ts"],"sourcesContent":["import { createPersistenceAdapter } from '@signaldb/core';\n/**\n * Creates a persistence adapter for managing a SignalDB collection using IndexedDB.\n * This adapter reads and writes data to an IndexedDB object store, with customizable serialization and deserialization.\n * @template T - The type of the items in the collection.\n * @template I - The type of the unique identifier for the items.\n * @param name - A unique name for the collection, used as the database name.\n * @param options - Optional configuration for the adapter.\n * @param options.prefix - A prefix to be added to the database name (default: 'signaldb-').\n * @returns A SignalDB persistence adapter for managing data in IndexedDB.\n */\nexport default function createIndexedDBAdapter(name, options) {\n    const { prefix = 'signaldb-' } = options || {};\n    const databaseName = `${prefix}${name}`;\n    const storeName = 'items';\n    /**\n     * Opens the IndexedDB database and creates the object store if it doesn't exist.\n     * @returns A promise that resolves with the opened database.\n     */\n    function openDatabase() {\n        return new Promise((resolve, reject) => {\n            const request = indexedDB.open(databaseName, 1);\n            request.addEventListener('upgradeneeded', () => {\n                const database = request.result;\n                if (!database.objectStoreNames.contains(storeName)) {\n                    database.createObjectStore(storeName, { keyPath: 'id' });\n                }\n            });\n            request.addEventListener('success', () => resolve(request.result));\n            request.addEventListener('error', () => reject(new Error(request.error?.message || 'Database error')));\n        });\n    }\n    /**\n     * Retrieves all items from the IndexedDB object store.\n     * @returns A promise that resolves with an array of items.\n     */\n    async function getAllItems() {\n        const database = await openDatabase();\n        return new Promise((resolve, reject) => {\n            const transaction = database.transaction(storeName, 'readonly');\n            const store = transaction.objectStore(storeName);\n            const request = store.getAll();\n            request.addEventListener('success', () => resolve(request.result));\n            request.addEventListener('error', () => reject(new Error(request.error?.message || 'Error fetching items')));\n        });\n    }\n    return createPersistenceAdapter({\n        async load() {\n            const items = await getAllItems();\n            return { items };\n        },\n        async save(items, { added, modified, removed }) {\n            const database = await openDatabase();\n            const transaction = database.transaction(storeName, 'readwrite');\n            const store = transaction.objectStore(storeName);\n            added.forEach(item => store.add(item));\n            modified.forEach(item => store.put(item));\n            removed.forEach(item => store.delete(item.id));\n            return new Promise((resolve, reject) => {\n                transaction.addEventListener('complete', () => resolve());\n                transaction.addEventListener('error', () => reject(new Error(transaction.error?.message || 'Transaction error')));\n            });\n        },\n        async register() {\n            return;\n        },\n    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