@tanstack/db/dist/esm/query/compiler/parent-routes.js

A reactive client store for building super fast apps on sync

import { map, join, filter } from "@tanstack/db-ivm";
const PARENT_ROUTE_CROSS_KEY = `__tanstack_parent_route_cross__`;
function crossJoinParentRoutes(input, parentKeyStream, assemble) {
  const rows = input.pipe(
    map(([rowKey, row]) => [PARENT_ROUTE_CROSS_KEY, [rowKey, row]])
  );
  const routes = parentKeyStream.pipe(
    map(([correlationKey, parentContext]) => [
      PARENT_ROUTE_CROSS_KEY,
      [correlationKey, parentContext]
    ])
  );
  return rows.pipe(
    join(routes, `inner`),
    filter(
      ([, [rowSide, routeSide]]) => Boolean(rowSide != null && routeSide != null)
    ),
    map(([, [rowSide, routeSide]]) => {
      const [rowKey, row] = rowSide;
      const [correlationKey, parentContext] = routeSide;
      return assemble(rowKey, row, correlationKey, parentContext);
    })
  );
}
export {
  crossJoinParentRoutes
};
//# sourceMappingURL=parent-routes.js.map