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async-each-series

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async-each-series

Apply an async function to each Array element in series.

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What is async-each-series?

The async-each-series npm package allows you to iterate over an array of items and perform asynchronous operations on each item in series, meaning one after the other. This is useful when you need to ensure that each asynchronous operation completes before the next one starts.

What are async-each-series's main functionalities?

Iterate over an array with asynchronous operations in series

This feature allows you to process each item in an array with an asynchronous operation, ensuring that each operation completes before the next one starts. The provided code sample demonstrates how to use async-each-series to process an array of numbers with a simulated asynchronous operation using setTimeout.

const eachSeries = require('async-each-series');

const items = [1, 2, 3, 4, 5];

function asyncOperation(item, callback) {
  setTimeout(() => {
    console.log('Processing item:', item);
    callback();
  }, 1000);
}

eachSeries(items, asyncOperation, (err) => {
  if (err) {
    console.error('Error:', err);
  } else {
    console.log('All items have been processed.');
  }
});

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Package last updated on 18 Sep 2015

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