one-by-one

one-by-one

Run async tasks one by one.

If you want to run async functions in parallel, check out same-time.

Installation

$ npm i one-by-one

Example

// Dependencies
var OneByOne = require("one-by-one");

// Call these functions one by one
OneByOne([
    function (cb) {
        setTimeout(function () {
            cb(null, "Hello World");
        }, 1000);
    }
  , function (cb, data) {
        console.log(data);
        // => "Hello World"
        setTimeout(function () {
            cb(new Error("Some error"));
        }, 100);
    }
  , function (cb) {
        // This will NOT be triggered because the
        // previous sent an error
        cb(null, null);
    }
], function (err, data) {
    console.log(err, data);
});

Documentation

OneByOne(arr, cb)

Calls functions one by one and memorizes the results.

Params

• Array arr: An array of functions getting the callback parameter in the first argument and response arguments from the previous function call.
• Function cb: The callback function called with an error (or null) and the results array.

Return

• OneByOne The OneByOne function.

How to contribute

Have an idea? Found a bug? See how to contribute.

Where is this library used?

If you are using this library in one of your projects, add it in this list. :sparkles:

• blah

• cdnjs-importer

• cobol

• engine-tools by jillix

• gif-cli

• git-stats-importer

• gpm

• gry

• ssh-remote

License

KINDLY © Ionică Bizău