callbag-map-to
Callbag operator that transforms data passing to it to a fixed value.
npm install callbag-map-to
example
const fromIter = require('callbag-from-iter');
const forEach = require('callbag-for-each');
const mapTo = require('callbag-map-to');
const source = mapTo('foo')(fromIter([1,2,3]));
forEach(x => console.log(x))(source); // 'foo'
// 'foo'
// 'foo'