promise.series
Run Promise in series.
Install
$ npm install --save promise.seriesUsage
const promiseSeries = require('promise.series')
const sleep = timeout => {
return new Promise(resolve => {
setTimeout(() => {
console.log(new Date())
resolve()
}, timeout)
})
}
// each item returns a Promise
promiseSeries([
() => sleep(1000),
() => sleep(2000)
]).then(() => {
console.log('Completed')
})API
promiseSeries(tasks, [initialValue])
tasks
Type: array
An array of functions which return a Promise.
initialValue
Pass an initial value to the promise chain, eg:
promiseSeries([
value => asyncOperation().then(() => value * 2),
value => asyncOperation().then(() => value * 2)
], 1).then(result => {
console.log(res)
//=> 4
})Contributing
- Fork it!
- Create your feature branch:
git checkout -b my-new-feature - Commit your changes:
git commit -am 'Add some feature' - Push to the branch:
git push origin my-new-feature - Submit a pull request :D
