async-map
v0.2.0
Published
Transform multiple values asynchronously
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async-map
Transform multiple values asynchronously
install
npm install async-map
usage
const asyncMap = require('async-map')
const loadImage = require('img-load')
let paths = ['images/foo.png', 'images/bar.png']
asyncMap(paths, loadImage, (err, images) => {
if (err) throw err
for (let image of images) {
document.body.appendChild(image)
}
})
asyncMap(values, iterator, callback) -> result
Performs iterator
on each value in values
in parallel, and passes the result into callback
when complete.
values
: An array of values to be transformediterator(value, callback)
: Any function that receives a value and a callback, e.g.fs.stat(path, callback)
callback(err, result)
: The function called upon completion or abortion of the mapping process