@tanstack/db/dist/cjs/transactions.cjs.map

A reactive client store for building super fast apps on sync

{"version":3,"file":"transactions.cjs","sources":["../../src/transactions.ts"],"sourcesContent":["import { createDeferred } from \"./deferred\"\nimport type { Deferred } from \"./deferred\"\nimport type {\n  MutationFn,\n  PendingMutation,\n  TransactionConfig,\n  TransactionState,\n  TransactionWithMutations,\n} from \"./types\"\n\nconst transactions: Array<Transaction<any>> = []\nlet transactionStack: Array<Transaction<any>> = []\n\nexport function createTransaction<\n  TData extends object = Record<string, unknown>,\n>(config: TransactionConfig<TData>): Transaction<TData> {\n  if (typeof config.mutationFn === `undefined`) {\n    throw `mutationFn is required when creating a transaction`\n  }\n\n  let transactionId = config.id\n  if (!transactionId) {\n    transactionId = crypto.randomUUID()\n  }\n  const newTransaction = new Transaction<TData>({\n    ...config,\n    id: transactionId,\n  })\n\n  transactions.push(newTransaction)\n\n  return newTransaction\n}\n\nexport function getActiveTransaction(): Transaction | undefined {\n  if (transactionStack.length > 0) {\n    return transactionStack.slice(-1)[0]\n  } else {\n    return undefined\n  }\n}\n\nfunction registerTransaction(tx: Transaction<any>) {\n  transactionStack.push(tx)\n}\n\nfunction unregisterTransaction(tx: Transaction<any>) {\n  transactionStack = transactionStack.filter((t) => t.id !== tx.id)\n}\n\nfunction removeFromPendingList(tx: Transaction<any>) {\n  const index = transactions.findIndex((t) => t.id === tx.id)\n  if (index !== -1) {\n    transactions.splice(index, 1)\n  }\n}\n\nexport class Transaction<T extends object = Record<string, unknown>> {\n  public id: string\n  public state: TransactionState\n  public mutationFn: MutationFn<T>\n  public mutations: Array<PendingMutation<T>>\n  public isPersisted: Deferred<Transaction<T>>\n  public autoCommit: boolean\n  public createdAt: Date\n  public metadata: Record<string, unknown>\n  public error?: {\n    message: string\n    error: Error\n  }\n\n  constructor(config: TransactionConfig<T>) {\n    this.id = config.id!\n    this.mutationFn = config.mutationFn\n    this.state = `pending`\n    this.mutations = []\n    this.isPersisted = createDeferred<Transaction<T>>()\n    this.autoCommit = config.autoCommit ?? true\n    this.createdAt = new Date()\n    this.metadata = config.metadata ?? {}\n  }\n\n  setState(newState: TransactionState) {\n    this.state = newState\n\n    if (newState === `completed` || newState === `failed`) {\n      removeFromPendingList(this)\n    }\n  }\n\n  mutate(callback: () => void): Transaction<T> {\n    if (this.state !== `pending`) {\n      throw `You can no longer call .mutate() as the transaction is no longer pending`\n    }\n\n    registerTransaction(this)\n    try {\n      callback()\n    } finally {\n      unregisterTransaction(this)\n    }\n\n    if (this.autoCommit) {\n      this.commit()\n    }\n\n    return this\n  }\n\n  applyMutations(mutations: Array<PendingMutation<any>>): void {\n    for (const newMutation of mutations) {\n      const existingIndex = this.mutations.findIndex(\n        (m) => m.globalKey === newMutation.globalKey\n      )\n\n      if (existingIndex >= 0) {\n        // Replace existing mutation\n        this.mutations[existingIndex] = newMutation\n      } else {\n        // Insert new mutation\n        this.mutations.push(newMutation)\n      }\n    }\n  }\n\n  rollback(config?: { isSecondaryRollback?: boolean }): Transaction<T> {\n    const isSecondaryRollback = config?.isSecondaryRollback ?? false\n    if (this.state === `completed`) {\n      throw `You can no longer call .rollback() as the transaction is already completed`\n    }\n\n    this.setState(`failed`)\n\n    // See if there's any other transactions w/ mutations on the same ids\n    // and roll them back as well.\n    if (!isSecondaryRollback) {\n      const mutationIds = new Set()\n      this.mutations.forEach((m) => mutationIds.add(m.globalKey))\n      for (const t of transactions) {\n        t.state === `pending` &&\n          t.mutations.some((m) => mutationIds.has(m.globalKey)) &&\n          t.rollback({ isSecondaryRollback: true })\n      }\n    }\n\n    // Reject the promise\n    this.isPersisted.reject(this.error?.error)\n    this.touchCollection()\n\n    return this\n  }\n\n  // Tell collection that something has changed with the transaction\n  touchCollection(): void {\n    const hasCalled = new Set()\n    for (const mutation of this.mutations) {\n      if (!hasCalled.has(mutation.collection.id)) {\n        mutation.collection.onTransactionStateChange()\n        mutation.collection.commitPendingTransactions()\n        hasCalled.add(mutation.collection.id)\n      }\n    }\n  }\n\n  async commit(): Promise<Transaction<T>> {\n    if (this.state !== `pending`) {\n      throw `You can no longer call .commit() as the transaction is no longer pending`\n    }\n\n    this.setState(`persisting`)\n\n    if (this.mutations.length === 0) {\n      this.setState(`completed`)\n\n      return this\n    }\n\n    // Run mutationFn\n    try {\n      // At this point we know there's at least one mutation\n      // We've already verified mutations is non-empty, so this cast is safe\n      // Use a direct type assertion instead of object spreading to preserve the original type\n      await this.mutationFn({\n        transaction: this as unknown as TransactionWithMutations<T>,\n      })\n\n      this.setState(`completed`)\n      this.touchCollection()\n\n      this.isPersisted.resolve(this)\n    } catch (error) {\n      // Update transaction with error information\n      this.error = {\n        message: error instanceof Error ? error.message : String(error),\n        error: error instanceof Error ? error : new Error(String(error)),\n      }\n\n      // rollback the transaction\n      return this.rollback()\n    }\n\n    return this\n  }\n}\n"],"names":["createDeferred"],"mappings":";;;AAUA,MAAM,eAAwC,CAAC;AAC/C,IAAI,mBAA4C,CAAC;AAE1C,SAAS,kBAEd,QAAsD;AAClD,MAAA,OAAO,OAAO,eAAe,aAAa;AACtC,UAAA;AAAA,EAAA;AAGR,MAAI,gBAAgB,OAAO;AAC3B,MAAI,CAAC,eAAe;AAClB,oBAAgB,OAAO,WAAW;AAAA,EAAA;AAE9B,QAAA,iBAAiB,IAAI,YAAmB;AAAA,IAC5C,GAAG;AAAA,IACH,IAAI;AAAA,EAAA,CACL;AAED,eAAa,KAAK,cAAc;AAEzB,SAAA;AACT;AAEO,SAAS,uBAAgD;AAC1D,MAAA,iBAAiB,SAAS,GAAG;AAC/B,WAAO,iBAAiB,MAAM,EAAE,EAAE,CAAC;AAAA,EAAA,OAC9B;AACE,WAAA;AAAA,EAAA;AAEX;AAEA,SAAS,oBAAoB,IAAsB;AACjD,mBAAiB,KAAK,EAAE;AAC1B;AAEA,SAAS,sBAAsB,IAAsB;AACnD,qBAAmB,iBAAiB,OAAO,CAAC,MAAM,EAAE,OAAO,GAAG,EAAE;AAClE;AAEA,SAAS,sBAAsB,IAAsB;AAC7C,QAAA,QAAQ,aAAa,UAAU,CAAC,MAAM,EAAE,OAAO,GAAG,EAAE;AAC1D,MAAI,UAAU,IAAI;AACH,iBAAA,OAAO,OAAO,CAAC;AAAA,EAAA;AAEhC;AAEO,MAAM,YAAwD;AAAA,EAcnE,YAAY,QAA8B;AACxC,SAAK,KAAK,OAAO;AACjB,SAAK,aAAa,OAAO;AACzB,SAAK,QAAQ;AACb,SAAK,YAAY,CAAC;AAClB,SAAK,cAAcA,wBAA+B;AAC7C,SAAA,aAAa,OAAO,cAAc;AAClC,SAAA,gCAAgB,KAAK;AACrB,SAAA,WAAW,OAAO,YAAY,CAAC;AAAA,EAAA;AAAA,EAGtC,SAAS,UAA4B;AACnC,SAAK,QAAQ;AAET,QAAA,aAAa,eAAe,aAAa,UAAU;AACrD,4BAAsB,IAAI;AAAA,IAAA;AAAA,EAC5B;AAAA,EAGF,OAAO,UAAsC;AACvC,QAAA,KAAK,UAAU,WAAW;AACtB,YAAA;AAAA,IAAA;AAGR,wBAAoB,IAAI;AACpB,QAAA;AACO,eAAA;AAAA,IAAA,UACT;AACA,4BAAsB,IAAI;AAAA,IAAA;AAG5B,QAAI,KAAK,YAAY;AACnB,WAAK,OAAO;AAAA,IAAA;AAGP,WAAA;AAAA,EAAA;AAAA,EAGT,eAAe,WAA8C;AAC3D,eAAW,eAAe,WAAW;AAC7B,YAAA,gBAAgB,KAAK,UAAU;AAAA,QACnC,CAAC,MAAM,EAAE,cAAc,YAAY;AAAA,MACrC;AAEA,UAAI,iBAAiB,GAAG;AAEjB,aAAA,UAAU,aAAa,IAAI;AAAA,MAAA,OAC3B;AAEA,aAAA,UAAU,KAAK,WAAW;AAAA,MAAA;AAAA,IACjC;AAAA,EACF;AAAA,EAGF,SAAS,QAA4D;;AAC7D,UAAA,uBAAsB,iCAAQ,wBAAuB;AACvD,QAAA,KAAK,UAAU,aAAa;AACxB,YAAA;AAAA,IAAA;AAGR,SAAK,SAAS,QAAQ;AAItB,QAAI,CAAC,qBAAqB;AAClB,YAAA,kCAAkB,IAAI;AACvB,WAAA,UAAU,QAAQ,CAAC,MAAM,YAAY,IAAI,EAAE,SAAS,CAAC;AAC1D,iBAAW,KAAK,cAAc;AAC5B,UAAE,UAAU,aACV,EAAE,UAAU,KAAK,CAAC,MAAM,YAAY,IAAI,EAAE,SAAS,CAAC,KACpD,EAAE,SAAS,EAAE,qBAAqB,MAAM;AAAA,MAAA;AAAA,IAC5C;AAIF,SAAK,YAAY,QAAO,UAAK,UAAL,mBAAY,KAAK;AACzC,SAAK,gBAAgB;AAEd,WAAA;AAAA,EAAA;AAAA;AAAA,EAIT,kBAAwB;AAChB,UAAA,gCAAgB,IAAI;AACf,eAAA,YAAY,KAAK,WAAW;AACrC,UAAI,CAAC,UAAU,IAAI,SAAS,WAAW,EAAE,GAAG;AAC1C,iBAAS,WAAW,yBAAyB;AAC7C,iBAAS,WAAW,0BAA0B;AACpC,kBAAA,IAAI,SAAS,WAAW,EAAE;AAAA,MAAA;AAAA,IACtC;AAAA,EACF;AAAA,EAGF,MAAM,SAAkC;AAClC,QAAA,KAAK,UAAU,WAAW;AACtB,YAAA;AAAA,IAAA;AAGR,SAAK,SAAS,YAAY;AAEtB,QAAA,KAAK,UAAU,WAAW,GAAG;AAC/B,WAAK,SAAS,WAAW;AAElB,aAAA;AAAA,IAAA;AAIL,QAAA;AAIF,YAAM,KAAK,WAAW;AAAA,QACpB,aAAa;AAAA,MAAA,CACd;AAED,WAAK,SAAS,WAAW;AACzB,WAAK,gBAAgB;AAEhB,WAAA,YAAY,QAAQ,IAAI;AAAA,aACtB,OAAO;AAEd,WAAK,QAAQ;AAAA,QACX,SAAS,iBAAiB,QAAQ,MAAM,UAAU,OAAO,KAAK;AAAA,QAC9D,OAAO,iBAAiB,QAAQ,QAAQ,IAAI,MAAM,OAAO,KAAK,CAAC;AAAA,MACjE;AAGA,aAAO,KAAK,SAAS;AAAA,IAAA;AAGhB,WAAA;AAAA,EAAA;AAEX;;;;"}