docs: function patch(parent$, partialChange) {
    setImmediate(() => {
      if (
        partialChange === null ||
        typeof partialChange !== "object" ||
        typeof parent$.value !== "object"
      ) {
        parent$(partialChange);
      } else {
        parent$(Object.assign({}, parent$.value, partialChange));
      }
    });
    return parent$;
  }