[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-tanstack-offline":3,"mdc-etd4nn-key":33,"related-org-tanstack-offline":5146,"related-repo-tanstack-offline":5288},{"slug":4,"name":4,"fn":5,"description":6,"org":7,"tags":11,"stars":22,"repoUrl":23,"updatedAt":24,"license":25,"forks":26,"topics":27,"repo":28,"sourceUrl":31,"mdContent":32},"offline","implement offline transaction support","Offline transaction support for TanStack DB. OfflineExecutor orchestrates persistent outbox (IndexedDB\u002FlocalStorage), leader election (WebLocks\u002F BroadcastChannel), retry with backoff, and connectivity detection. createOfflineTransaction\u002FcreateOfflineAction wrap TanStack DB primitives with offline persistence. Idempotency keys for at-least-once delivery. Graceful degradation to online-only mode when storage unavailable. React Native support via separate entry point.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},"tanstack","TanStack","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Ftanstack.png",[12,16,19,21],{"name":13,"slug":14,"type":15},"Performance","performance","tag",{"name":17,"slug":18,"type":15},"Database","database",{"name":20,"slug":4,"type":15},"Offline",{"name":9,"slug":8,"type":15},3811,"https:\u002F\u002Fgithub.com\u002FTanStack\u002Fdb","2026-07-16T06:04:22.953157",null,245,[],{"repoUrl":23,"stars":22,"forks":26,"topics":29,"description":30},[],"The reactive client store for your API.","https:\u002F\u002Fgithub.com\u002FTanStack\u002Fdb\u002Ftree\u002FHEAD\u002Fpackages\u002Foffline-transactions\u002Fskills\u002Foffline","---\nname: offline\ndescription: >\n Offline transaction support for TanStack DB. OfflineExecutor orchestrates\n persistent outbox (IndexedDB\u002FlocalStorage), leader election (WebLocks\u002F\n BroadcastChannel), retry with backoff, and connectivity detection.\n createOfflineTransaction\u002FcreateOfflineAction wrap TanStack DB primitives\n with offline persistence. Idempotency keys for at-least-once delivery.\n Graceful degradation to online-only mode when storage unavailable.\n React Native support via separate entry point.\ntype: composition\nlibrary: db\nlibrary_version: '0.6.0'\nrequires:\n - db-core\n - db-core\u002Fmutations-optimistic\nsources:\n - 'TanStack\u002Fdb:packages\u002Foffline-transactions\u002Fsrc\u002FOfflineExecutor.ts'\n - 'TanStack\u002Fdb:packages\u002Foffline-transactions\u002Fsrc\u002Ftypes.ts'\n - 'TanStack\u002Fdb:packages\u002Foffline-transactions\u002Fsrc\u002Findex.ts'\n---\n\nThis skill builds on db-core and mutations-optimistic. Read those first.\n\n# TanStack DB — Offline Transactions\n\n## Setup\n\n```ts\nimport {\n startOfflineExecutor,\n IndexedDBAdapter,\n} from '@tanstack\u002Foffline-transactions'\nimport { todoCollection } from '.\u002Fcollections'\n\nconst executor = startOfflineExecutor({\n collections: { todos: todoCollection },\n mutationFns: {\n createTodo: async ({ transaction, idempotencyKey }) => {\n const mutation = transaction.mutations[0]\n await api.todos.create({\n ...mutation.modified,\n idempotencyKey,\n })\n },\n updateTodo: async ({ transaction, idempotencyKey }) => {\n const mutation = transaction.mutations[0]\n await api.todos.update(mutation.key, {\n ...mutation.changes,\n idempotencyKey,\n })\n },\n },\n})\n\n\u002F\u002F Wait for initialization (storage probe, leader election, outbox replay)\nawait executor.waitForInit()\n```\n\n## Core API\n\n### createOfflineTransaction\n\n```ts\nconst tx = executor.createOfflineTransaction({\n mutationFnName: 'createTodo',\n})\n\n\u002F\u002F Mutations run inside tx.mutate() — uses ambient transaction context\ntx.mutate(() => {\n todoCollection.insert({ id: crypto.randomUUID(), text: 'New todo' })\n})\ntx.commit()\n```\n\nIf the executor is not the leader tab, falls back to `createTransaction` directly (no offline persistence).\n\n### createOfflineAction\n\n```ts\nconst addTodo = executor.createOfflineAction({\n mutationFnName: 'createTodo',\n onMutate: (variables) => {\n todoCollection.insert({\n id: crypto.randomUUID(),\n text: variables.text,\n })\n },\n})\n\n\u002F\u002F Call it\naddTodo({ text: 'Buy milk' })\n```\n\nIf the executor is not the leader tab, falls back to `createOptimisticAction` directly.\n\n## Architecture\n\n### Components\n\n| Component | Purpose | Default |\n| ----------------------- | ------------------------------------------- | --------------------------------- |\n| **Storage** | Persist transactions to survive page reload | IndexedDB → localStorage fallback |\n| **OutboxManager** | FIFO queue of pending transactions | Automatic |\n| **KeyScheduler** | Serialize transactions touching same keys | Automatic |\n| **TransactionExecutor** | Execute with retry + backoff | Automatic |\n| **LeaderElection** | Only one tab processes the outbox | WebLocks → BroadcastChannel |\n| **OnlineDetector** | Pause\u002Fresume on connectivity changes | navigator.onLine + events |\n\n### Transaction lifecycle\n\n1. Mutation applied optimistically to collection (instant UI update)\n2. Transaction serialized and persisted to storage (outbox)\n3. Leader tab picks up transaction and executes `mutationFn`\n4. On success: removed from outbox, optimistic state resolved\n5. On failure: retried with exponential backoff\n6. On page reload: outbox replayed, optimistic state restored\n\n### Leader election\n\nOnly one tab processes the outbox to prevent duplicate execution. Non-leader tabs use regular `createTransaction`\u002F`createOptimisticAction` (online-only, no persistence).\n\n```ts\nconst executor = startOfflineExecutor({\n \u002F\u002F ...\n onLeadershipChange: (isLeader) => {\n console.log(\n isLeader\n ? 'This tab is processing offline transactions'\n : 'Another tab is leader',\n )\n },\n})\n\nexecutor.isOfflineEnabled \u002F\u002F true only if leader AND storage available\n```\n\n### Storage degradation\n\nThe executor probes storage availability on startup:\n\n```ts\nconst executor = startOfflineExecutor({\n \u002F\u002F ...\n onStorageFailure: (diagnostic) => {\n \u002F\u002F diagnostic.code: 'STORAGE_BLOCKED' | 'QUOTA_EXCEEDED' | 'UNKNOWN_ERROR'\n \u002F\u002F diagnostic.mode: 'online-only'\n console.warn(diagnostic.message)\n },\n})\n\nexecutor.mode \u002F\u002F 'offline' | 'online-only'\nexecutor.storageDiagnostic \u002F\u002F Full diagnostic info\n```\n\nWhen storage is unavailable (private browsing, quota exceeded), the executor operates in online-only mode — mutations work normally but aren't persisted across page reloads.\n\n## Configuration\n\n```ts\ninterface OfflineConfig {\n collections: Record\u003Cstring, Collection> \u002F\u002F Collections for optimistic state restoration\n mutationFns: Record\u003Cstring, OfflineMutationFn> \u002F\u002F Named mutation functions\n storage?: StorageAdapter \u002F\u002F Custom storage (default: auto-detect)\n maxConcurrency?: number \u002F\u002F Parallel execution limit\n jitter?: boolean \u002F\u002F Add jitter to retry delays\n beforeRetry?: (txs) => txs \u002F\u002F Transform\u002Ffilter before retry\n onUnknownMutationFn?: (name, tx) => void \u002F\u002F Handle orphaned transactions\n onLeadershipChange?: (isLeader) => void \u002F\u002F Leadership state callback\n onStorageFailure?: (diagnostic) => void \u002F\u002F Storage probe failure callback\n leaderElection?: LeaderElection \u002F\u002F Custom leader election\n onlineDetector?: OnlineDetector \u002F\u002F Custom connectivity detection\n}\n```\n\n### Custom storage adapter\n\n```ts\ninterface StorageAdapter {\n get: (key: string) => Promise\u003Cstring | null>\n set: (key: string, value: string) => Promise\u003Cvoid>\n delete: (key: string) => Promise\u003Cvoid>\n keys: () => Promise\u003CArray\u003Cstring>>\n clear: () => Promise\u003Cvoid>\n}\n```\n\n## Error Handling\n\n### NonRetriableError\n\n```ts\nimport { NonRetriableError } from '@tanstack\u002Foffline-transactions'\n\nconst executor = startOfflineExecutor({\n mutationFns: {\n createTodo: async ({ transaction, idempotencyKey }) => {\n const res = await fetch('\u002Fapi\u002Ftodos', { method: 'POST', body: ... })\n if (res.status === 409) {\n throw new NonRetriableError('Duplicate detected')\n }\n if (!res.ok) throw new Error('Server error')\n },\n },\n})\n```\n\nThrowing `NonRetriableError` stops retry and removes the transaction from the outbox. Use for permanent failures (validation errors, conflicts, 4xx responses).\n\n### Idempotency keys\n\nEvery offline transaction includes an `idempotencyKey`. Pass it to your API to prevent duplicate execution on retry:\n\n```ts\nmutationFns: {\n createTodo: async ({ transaction, idempotencyKey }) => {\n await fetch('\u002Fapi\u002Ftodos', {\n method: 'POST',\n headers: { 'Idempotency-Key': idempotencyKey },\n body: JSON.stringify(transaction.mutations[0].modified),\n })\n },\n}\n```\n\n## React Native\n\n```ts\nimport {\n startOfflineExecutor,\n} from '@tanstack\u002Foffline-transactions\u002Freact-native'\n\n\u002F\u002F Uses ReactNativeOnlineDetector automatically\n\u002F\u002F Uses AsyncStorage-compatible storage\nconst executor = startOfflineExecutor({ ... })\n```\n\n## Outbox Management\n\n```ts\n\u002F\u002F Inspect pending transactions\nconst pending = await executor.peekOutbox()\n\n\u002F\u002F Get counts\nexecutor.getPendingCount() \u002F\u002F Queued transactions\nexecutor.getRunningCount() \u002F\u002F Currently executing\n\n\u002F\u002F Clear all pending transactions\nawait executor.clearOutbox()\n\n\u002F\u002F Cleanup\nexecutor.dispose()\n```\n\n## Common Mistakes\n\n### CRITICAL Not passing idempotencyKey to the API\n\nWrong:\n\n```ts\nmutationFns: {\n createTodo: async ({ transaction }) => {\n await api.todos.create(transaction.mutations[0].modified)\n },\n}\n```\n\nCorrect:\n\n```ts\nmutationFns: {\n createTodo: async ({ transaction, idempotencyKey }) => {\n await api.todos.create({\n ...transaction.mutations[0].modified,\n idempotencyKey,\n })\n },\n}\n```\n\nOffline transactions retry on failure. Without idempotency keys, retries can create duplicate records on the server.\n\n### HIGH Not waiting for initialization\n\nWrong:\n\n```ts\nconst executor = startOfflineExecutor({ ... })\nconst tx = executor.createOfflineTransaction({ mutationFnName: 'createTodo' })\n```\n\nCorrect:\n\n```ts\nconst executor = startOfflineExecutor({ ... })\nawait executor.waitForInit()\nconst tx = executor.createOfflineTransaction({ mutationFnName: 'createTodo' })\n```\n\n`startOfflineExecutor` initializes asynchronously (probes storage, requests leadership, replays outbox). Creating transactions before initialization completes may miss the leader election result and use the wrong code path.\n\n### HIGH Missing collection in collections map\n\nWrong:\n\n```ts\nconst executor = startOfflineExecutor({\n collections: {},\n mutationFns: { createTodo: ... },\n})\n```\n\nCorrect:\n\n```ts\nconst executor = startOfflineExecutor({\n collections: { todos: todoCollection },\n mutationFns: { createTodo: ... },\n})\n```\n\nThe `collections` map is used to restore optimistic state from the outbox on page reload. Without it, previously pending mutations won't show their optimistic state while being replayed.\n\n### MEDIUM Not handling NonRetriableError for permanent failures\n\nWrong:\n\n```ts\nmutationFns: {\n createTodo: async ({ transaction }) => {\n const res = await fetch('\u002Fapi\u002Ftodos', { ... })\n if (!res.ok) throw new Error('Failed')\n },\n}\n```\n\nCorrect:\n\n```ts\nmutationFns: {\n createTodo: async ({ transaction }) => {\n const res = await fetch('\u002Fapi\u002Ftodos', { ... })\n if (res.status >= 400 && res.status \u003C 500) {\n throw new NonRetriableError(`Client error: ${res.status}`)\n }\n if (!res.ok) throw new Error('Server error')\n },\n}\n```\n\nWithout distinguishing retriable from permanent errors, 4xx responses (validation, auth, not found) will retry forever until max retries, wasting resources and filling logs.\n\nSee also: db-core\u002Fmutations-optimistic\u002FSKILL.md — for the underlying mutation primitives.\n\nSee also: db-core\u002Fcollection-setup\u002FSKILL.md — for setting up collections used with offline transactions.\n",{"data":34,"body":45},{"name":4,"description":6,"type":35,"library":36,"library_version":37,"requires":38,"sources":41},"composition","db","0.6.0",[39,40],"db-core","db-core\u002Fmutations-optimistic",[42,43,44],"TanStack\u002Fdb:packages\u002Foffline-transactions\u002Fsrc\u002FOfflineExecutor.ts","TanStack\u002Fdb:packages\u002Foffline-transactions\u002Fsrc\u002Ftypes.ts","TanStack\u002Fdb:packages\u002Foffline-transactions\u002Fsrc\u002Findex.ts",{"type":46,"children":47},"root",[48,56,63,70,767,773,780,1031,1044,1050,1330,1342,1348,1354,1512,1518,1559,1565,1584,1790,1796,1801,1995,2000,2006,2395,2401,2700,2706,2712,3130,3142,3148,3161,3431,3437,3552,3558,3750,3756,3762,3767,3905,3910,4091,4096,4102,4106,4216,4220,4352,4363,4369,4373,4466,4470,4577,4590,4596,4600,4796,4800,5125,5130,5135,5140],{"type":49,"tag":50,"props":51,"children":52},"element","p",{},[53],{"type":54,"value":55},"text","This skill builds on db-core and mutations-optimistic. 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Load for accessor compatibility, controlled filter updaters, fuzzy metadata, or client\u002Fserver ownership.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5219,5220,5221],{"name":5155,"slug":5156,"type":15},{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},"2026-07-30T05:25:53.391632",{"slug":5224,"name":5224,"fn":5225,"description":5226,"org":5227,"tags":5228,"stars":5161,"repoUrl":5162,"updatedAt":5232},"column-ordering","manage TanStack Table column ordering","Control TanStack Table v9 leaf columnOrder with stable IDs while accounting for pinning regions, visibility, and groupedColumnMode precedence. Load for drag-and-drop columns or rendered order that differs from state.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5229,5230,5231],{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},{"name":5185,"slug":5186,"type":15},"2026-07-30T05:26:03.37801",{"slug":5234,"name":5234,"fn":5235,"description":5236,"org":5237,"tags":5238,"stars":5161,"repoUrl":5162,"updatedAt":5245},"column-pinning","configure column pinning in TanStack Table","Pin columns into logical start, center, and end regions with columnPinningFeature and renderer-owned sticky CSS. Load for RTL offsets, z-index, backgrounds, overflow, widths, gaps, or overlaps.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5239,5242,5243,5244],{"name":5240,"slug":5241,"type":15},"CSS","css",{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},{"name":5185,"slug":5186,"type":15},"2026-07-30T05:25:55.377366",{"slug":5247,"name":5247,"fn":5248,"description":5249,"org":5250,"tags":5251,"stars":5161,"repoUrl":5162,"updatedAt":5255},"column-resizing","implement column resizing in TanStack Table","Wire columnResizingFeature, header.getResizeHandler, resize mode and direction, pointer or touch events, and performant CSS-variable updates. Load when resize state changes but widths do not, or large tables resize slowly.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5252,5253,5254],{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},{"name":5185,"slug":5186,"type":15},"2026-07-30T05:25:51.400011",{"slug":5257,"name":5257,"fn":5258,"description":5259,"org":5260,"tags":5261,"stars":5161,"repoUrl":5162,"updatedAt":5266},"column-sizing","configure column sizing in TanStack Table","Use columnSizingFeature numeric size, minSize, maxSize, getSize, getStart, getAfter, and total-size APIs in table, grid, or flex CSS. Load for auto or percentage misconceptions and sizing\u002Fpinning layout mismatch.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5262,5263,5264,5265],{"name":5240,"slug":5241,"type":15},{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},{"name":5185,"slug":5186,"type":15},"2026-07-30T05:25:48.703799",{"slug":5268,"name":5268,"fn":5269,"description":5270,"org":5271,"tags":5272,"stars":5161,"repoUrl":5162,"updatedAt":5276},"column-visibility","manage column visibility in TanStack Table","Hide columns with columnVisibilityFeature while rendering visibility-aware header, column, and cell collections. Load when hidden columns remain in the DOM, false-versus-absent state is confused, or enableHiding is misunderstood.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5273,5274,5275],{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},{"name":5185,"slug":5186,"type":15},"2026-07-30T05:25:47.367943",{"slug":5278,"name":5278,"fn":5279,"description":5280,"org":5281,"tags":5282,"stars":5161,"repoUrl":5162,"updatedAt":5286},"core","build data grids with TanStack Table","Use TanStack Table v9 as a headless data-grid state and row-processing engine. Load for first-table architecture, stable data and columns, row numbering with getDisplayIndex, semantic rendering, framework adapter choice, or deciding what Table owns versus the renderer.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5283,5284,5285],{"name":5155,"slug":5156,"type":15},{"name":5158,"slug":5159,"type":15},{"name":5185,"slug":5186,"type":15},"2026-07-30T05:25:52.366295",125,{"items":5289,"total":443},[5290,5304,5315,5326,5339,5352,5362],{"slug":5291,"name":5291,"fn":5292,"description":5293,"org":5294,"tags":5295,"stars":22,"repoUrl":23,"updatedAt":5303},"angular-db","integrate TanStack DB with Angular","Angular bindings for TanStack DB. injectLiveQuery inject function with Angular signals (Signal\u003CT>) for all return values. Reactive params pattern ({ params: () => T, query: ({ params, q }) => QueryBuilder }) for dynamic queries. Must be called in injection context. Angular 17+ control flow (@if, @for) and signal inputs supported. Import from @tanstack\u002Fangular-db (re-exports all of @tanstack\u002Fdb).\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5296,5299,5300],{"name":5297,"slug":5298,"type":15},"Angular","angular",{"name":17,"slug":18,"type":15},{"name":5301,"slug":5302,"type":15},"TypeScript","typescript","2026-07-16T06:01:16.345046",{"slug":39,"name":39,"fn":5305,"description":5306,"org":5307,"tags":5308,"stars":22,"repoUrl":23,"updatedAt":5314},"manage database collections with TanStack DB","TanStack DB core concepts: createCollection with queryCollectionOptions, electricCollectionOptions, powerSyncCollectionOptions, rxdbCollectionOptions, trailbaseCollectionOptions, localOnlyCollectionOptions. Live queries via query builder (from, where, join, select, groupBy, orderBy, limit). Optimistic mutations with draft proxy (collection.insert, collection.update, collection.delete). createOptimisticAction, createTransaction, createPacedMutations. Entry point for all TanStack DB skills.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5309,5312,5313],{"name":5310,"slug":5311,"type":15},"Data Modeling","data-modeling",{"name":17,"slug":18,"type":15},{"name":9,"slug":8,"type":15},"2026-07-17T06:06:40.214285",{"slug":5316,"name":5317,"fn":5318,"description":5319,"org":5320,"tags":5321,"stars":22,"repoUrl":23,"updatedAt":5325},"db-corecollection-setup","db-core\u002Fcollection-setup","set up typed collections in TanStack DB","Creating typed collections with createCollection. Adapter selection: queryCollectionOptions (REST\u002FTanStack Query), electricCollectionOptions (ElectricSQL real-time sync), powerSyncCollectionOptions (PowerSync SQLite), rxdbCollectionOptions (RxDB), trailbaseCollectionOptions (TrailBase), localOnlyCollectionOptions, localStorageCollectionOptions. CollectionConfig options: getKey, schema, sync, gcTime, autoIndex (default off), defaultIndexType, syncMode (eager\u002Fon-demand, plus progressive for Electric). StandardSchema validation with Zod\u002FValibot\u002FArkType. Collection lifecycle (idle\u002Floading\u002Fready\u002Ferror). Adapter-specific sync patterns including Electric txid tracking, Query direct writes, and PowerSync query-driven sync with onLoad\u002FonLoadSubset hooks.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5322,5323,5324],{"name":5310,"slug":5311,"type":15},{"name":17,"slug":18,"type":15},{"name":9,"slug":8,"type":15},"2026-07-26T05:48:58.321777",{"slug":5327,"name":5328,"fn":5329,"description":5330,"org":5331,"tags":5332,"stars":22,"repoUrl":23,"updatedAt":5338},"db-corecustom-adapter","db-core\u002Fcustom-adapter","build custom TanStack collection adapters","Building custom collection adapters for new backends. SyncConfig interface: sync function receiving begin, write, commit, markReady, truncate, metadata primitives. ChangeMessage format (insert, update, delete). loadSubset for on-demand sync. LoadSubsetOptions (where, orderBy, limit, cursor). Expression parsing: parseWhereExpression, parseOrderByExpression, extractSimpleComparisons, parseLoadSubsetOptions. Collection options creator pattern. rowUpdateMode (partial vs full). Subscription lifecycle and cleanup functions. Persisted sync metadata API (metadata.row and metadata.collection) for storing per-row and per-collection adapter state.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5333,5334,5337],{"name":17,"slug":18,"type":15},{"name":5335,"slug":5336,"type":15},"Engineering","engineering",{"name":9,"slug":8,"type":15},"2026-07-16T06:04:06.862485",{"slug":5340,"name":5341,"fn":5342,"description":5343,"org":5344,"tags":5345,"stars":22,"repoUrl":23,"updatedAt":5351},"db-corelive-queries","db-core\u002Flive-queries","build live queries with TanStack DB","Query builder fluent API: from, where, join, leftJoin, rightJoin, innerJoin, fullJoin, select, fn.select, groupBy, having, orderBy, limit, offset, distinct, findOne. Operators: eq, gt, gte, lt, lte, like, ilike, inArray, isNull, isUndefined, and, or, not. Aggregates: count, sum, avg, min, max. String functions: upper, lower, length, concat. Utility: coalesce, caseWhen. Math: add. $selected namespace. createLiveQueryCollection. Derived collections. Predicate push-down. Incremental view maintenance via differential dataflow (d2ts). Virtual properties ($synced, $origin, $key, $collectionId). Includes subqueries for hierarchical data. toArray and concat(toArray(...)) scalar includes. queryOnce for one-shot queries. createEffect for reactive side effects (onEnter, onUpdate, onExit, onBatch).\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5346,5347,5350],{"name":17,"slug":18,"type":15},{"name":5348,"slug":5349,"type":15},"SQL","sql",{"name":9,"slug":8,"type":15},"2026-07-16T06:04:08.757365",{"slug":5353,"name":40,"fn":5354,"description":5355,"org":5356,"tags":5357,"stars":22,"repoUrl":23,"updatedAt":5361},"db-coremutations-optimistic","manage optimistic mutations in TanStack DB","collection.insert, collection.update (Immer-style draft proxy), collection.delete. createOptimisticAction (onMutate + mutationFn). createPacedMutations with debounceStrategy, throttleStrategy, queueStrategy. createTransaction, getActiveTransaction, ambient transaction context. Transaction lifecycle (pending\u002Fpersisting\u002Fcompleted\u002Ffailed). Mutation merging. onInsert\u002FonUpdate\u002FonDelete handlers. PendingMutation type. Transaction.isPersisted.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5358,5359,5360],{"name":17,"slug":18,"type":15},{"name":5158,"slug":5159,"type":15},{"name":9,"slug":8,"type":15},"2026-07-26T05:48:57.301803",{"slug":5363,"name":5364,"fn":5365,"description":5366,"org":5367,"tags":5368,"stars":22,"repoUrl":23,"updatedAt":5377},"db-corepersistence","db-core\u002Fpersistence","implement SQLite-backed persistence for TanStack DB","SQLite-backed persistence for TanStack DB collections. persistedCollectionOptions wraps any adapter (Electric, Query, PowerSync, or local-only) with durable local storage. Platform adapters: browser (WA-SQLite OPFS), React Native (op-sqlite), Expo (expo-sqlite), Electron (IPC), Node (better-sqlite3), Capacitor, Tauri, Cloudflare Durable Objects. Multi-tab\u002Fmulti-process coordination via BrowserCollectionCoordinator \u002F ElectronCollectionCoordinator \u002F SingleProcessCoordinator. schemaVersion for migration resets. Local-only mode for offline-first without a server.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[5369,5370,5373,5376],{"name":17,"slug":18,"type":15},{"name":5371,"slug":5372,"type":15},"Persistence","persistence",{"name":5374,"slug":5375,"type":15},"SQLite","sqlite",{"name":9,"slug":8,"type":15},"2026-07-17T06:06:39.182084"]