@thi.ng/rstream/idgen.js

Reactive streams & subscription primitives for constructing dataflow graphs / pipelines

let NEXT_ID = 0;
const __nextID = () => NEXT_ID++;
const __optsWithID = (prefix, opts) => !opts || !opts.id ? { ...opts, id: prefix + "-" + __nextID() } : opts;
export {
  __nextID,
  __optsWithID
};