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run-series

Run an array of functions in series

  • 1.1.9
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What is run-series?

The run-series npm package is a utility that allows you to run an array of functions in series, each one running once the previous function has completed. If any functions in the series pass an error to its callback, no more functions are run, and the main callback is immediately called with the error. This package is particularly useful for managing sequences of asynchronous tasks in a clean and straightforward manner.

What are run-series's main functionalities?

Running tasks in series

This feature allows you to run multiple tasks one after another. Each task is a function that takes a callback as its only argument. Once a task completes, it calls the callback, optionally passing an error and results. If a task passes an error, the series is stopped, and the final callback is called with the error. Otherwise, after all tasks have completed, the final callback is called with an array of results.

const series = require('run-series');

series([
  function(callback) {
    // Task 1
    callback(null, 'result of task 1');
  },
  function(callback) {
    // Task 2
    callback(null, 'result of task 2');
  }
], function(err, results) {
  if (err) throw err;
  console.log(results); // ['result of task 1', 'result of task 2']
});

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Package last updated on 27 Oct 2020

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