Callbag operator that seeds a source with an initial data output. It works for both listenable and pullable sources.
npm install callbag-start-with
const merge = require('callbag-merge');
const pipe = require('callbag-pipe');
const startWith = require('callbag-start-with');
const actionStream = pipe(
merge(submitActions, editActions, someOtherActions, .... ),
startWith({type: "INIT"})
);