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callbag-for-each

staltz7.3kMIT1.1.0

Callbag sink that consume both pullable and listenable sources

readme (leia-me)

/**

  • callbag-for-each

*

  • Callbag sink that consume both pullable and listenable sources. When called
  • on a pullable source, it will iterate through its data. When called on a
  • listenable source, it will observe its data. *
  • npm install callbag-for-each *
  • Examples

*

  • Consume a pullable source: *
  • const fromIter = require('callbag-from-iter');
  • const forEach = require('callbag-for-each'); *
  • const source = fromIter([10,20,30,40]) *
  • forEach(x => console.log(x))(source); // 10
  • // 20
  • // 30
  • // 40 *
  • Consume a listenable source: *
  • const interval = require('callbag-interval');
  • const forEach = require('callbag-for-each'); *
  • const source = interval(1000); *
  • forEach(x => console.log(x))(source); // 0
  • // 1
  • // 2
  • // 3
  • // ... */

const forEach = operation => source => { let talkback; source(0, (t, d) => { if (t === 0) talkback = d; if (t === 1) operation(d); if (t === 1 || t === 0) talkback(1); }); };

module.exports = forEach;