@tanstack/db/dist/cjs/sync-persistence.cjs

A reactive client store for building super fast apps on sync

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const errors = require("./errors.cjs");
const SYNC_PERSISTENCE_PROTOCOL = `@tanstack/db/sync-persistence`;
const SYNC_PERSISTENCE_VERSION = 1;
function isRecord(value) {
  return typeof value === `object` && value !== null;
}
function requireFunction(value, key, path = key) {
  if (typeof value[key] !== `function`) {
    throw new errors.InvalidSyncPersistenceCapabilityError(
      `${path} must be a function`
    );
  }
}
function validateSyncPersistenceCapability(value) {
  if (value === null) return null;
  if (!isRecord(value)) {
    throw new errors.InvalidSyncPersistenceCapabilityError(
      `expected null or a complete capability object`
    );
  }
  if (value.protocol !== SYNC_PERSISTENCE_PROTOCOL) {
    throw new errors.InvalidSyncPersistenceCapabilityError(
      `protocol must be "${SYNC_PERSISTENCE_PROTOCOL}"`
    );
  }
  if (value.version !== SYNC_PERSISTENCE_VERSION) {
    throw new errors.InvalidSyncPersistenceCapabilityError(
      `version must be ${SYNC_PERSISTENCE_VERSION}`
    );
  }
  requireFunction(value, `hydrateBaseline`);
  requireFunction(value, `scanPersistedRows`);
  const resumeSnapshot = value.resumeSnapshot;
  if (!isRecord(resumeSnapshot)) {
    throw new errors.InvalidSyncPersistenceCapabilityError(
      `resumeSnapshot must be an object`
    );
  }
  requireFunction(resumeSnapshot, `certify`, `resumeSnapshot.certify`);
  requireFunction(
    resumeSnapshot,
    `getKeySetEvidence`,
    `resumeSnapshot.getKeySetEvidence`
  );
  requireFunction(
    resumeSnapshot,
    `expectCurrentCommit`,
    `resumeSnapshot.expectCurrentCommit`
  );
  return value;
}
exports.SYNC_PERSISTENCE_PROTOCOL = SYNC_PERSISTENCE_PROTOCOL;
exports.SYNC_PERSISTENCE_VERSION = SYNC_PERSISTENCE_VERSION;
exports.validateSyncPersistenceCapability = validateSyncPersistenceCapability;
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