Sorry for long title, been hunting around trying to find a usable example/pattern to solve this pattern, no luck yet. I am building a service to take REST calls to an express fronted service. A search is being performed, and for each search request coming into express I need to perform 3-5 parallel requests to various databases/indexes/etc. The behavior is such that we want to get a response back ASAP to the user, and want to search across all sources in parallel, but early terminate as soon as the first one returns a found result and push the result to the end user. Have used async module for some tasks, but not sure its a workable thing to bolt into express routes. Hoping to not have to hack into an existing module Any patterns or modules people have used to accomplish this "parallel with early termination/response" method? NOTE: not married to express, just need simple setup to take http/REST call and route to a function which will spin off the parallel calls and handle the response
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