callbag-latest
v1.1.0
Published
Callbag operator that turns a listenable source into a pullable, returning latest data on request
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callbag-latest
Callbag operator that turns a listenable source into a pullable source, that emits the latest data (if any) from the listenable upon request.
Often useful in conjunction with callbag-sample.
npm install callbag-latest
example
const fromEvent = require('callbag-from-event');
const sample = require('callbag-sample');
const pipe = require('callbag-pipe');
const map = require('callbag-map');
const latest = require('callbag-latest');
const typeStream = pipe(
fromEvent(inputField, "input"),
map(e => e.target.value)
);
const submitActionStream = pipe(
fromEvent(submitBtn, "click"),
sample(latest(typeStream)), // turn click events to current value of input field
map(v => ({type: "SUBMIT", value: v}))
);