fetch-coalesce is a decorator that coalesces multiple equivalent fetch() calls into a single network request.

$> npm install fetch-coalesce --save

import coalesce from 'fetch-coalesce';

const fetch = coalesce({ methods: ['GET', 'HEAD'] })(window.fetch);

fetch('/foo/bar');
fetch('/foo/bar');
// Only one network request is made.

import coalesce from 'fetch-coalesce';

• Function that accepts configuration and returns a fetch decorator Function.
• Parameters
  • (Object) config [optional]:
    • (String[]) config.methods [optional]: HTTP methods (GET, PUT, POST, etc.) that should be coalesced. By default, all idempotent methods are coalesced.
• Returns
  • (Function): A fetch decorator Function:
    • Parameters
      • (Function) fetch: The fetch Function to decorate. Should pretty much always be window.fetch.
    • Returns
      • (Function): The decorated fetch Function. Call it just like you would call fetch().