1.1.1 • Published 5 years ago
p-join v1.1.1
p-join
Combine results from multiple promises into a single value.
Like Promise.join from bluebird.
Installation
With npm:
npm install --save p-join
Usage
var join = require('p-join')
var result = join(
Promise.resolve(10),
Promise.resolve(20),
function (a, b) { return a + b }
)
result.then(function (sum) {
assert.equal(sum, 30)
})
Compare doing this with Promise.all
:
var result = Promise.all([
Promise.resolve(10),
Promise.resolve(20)
]).then(function (results) { return results[0] + results[1] })
result.then(function (sum) {
assert.equal(sum, 30)
})
API
result = require('p-join')(...promises, callback)
Pass Promises or values as separate arguments.
The callback
receives the resolved values of all ...promises
as arguments, in order.
If callback
returns a value or a Promise, result
will resolve with that value.