@tanstack/offline-transactions/dist/esm/api/OfflineAction.js

Offline-first transaction capabilities for TanStack DB

import { OnMutateMustBeSynchronousError } from "@tanstack/db";
import { OfflineTransaction } from "./OfflineTransaction.js";
function isPromiseLike(value) {
  return !!value && (typeof value === `object` || typeof value === `function`) && typeof value.then === `function`;
}
function createOfflineAction(options, mutationFn, persistTransaction, executor) {
  const { mutationFnName, onMutate } = options;
  return (variables) => {
    const offlineTransaction = new OfflineTransaction(
      {
        mutationFnName,
        // The transaction commits after onMutate and reports a failure
        // through `when('settled')`.
        autoCommit: true
      },
      mutationFn,
      persistTransaction,
      executor
    );
    return offlineTransaction.mutate(() => {
      const maybePromise = onMutate(variables);
      if (isPromiseLike(maybePromise)) {
        throw new OnMutateMustBeSynchronousError();
      }
    });
  };
}
export {
  createOfflineAction
};
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