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concat-map

concatenative mapdashery

0.0.2
latest
Version published
Weekly downloads
65M
1.74%
Maintainers
3
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What is concat-map?

The concat-map package is a simple utility that applies a function to each item in an array and concatenates the results into a new array. It is similar to the Array.prototype.map function combined with Array.prototype.concat, but it is implemented in a way that is compatible with older versions of JavaScript and can be used in various Node.js environments.

What are concat-map's main functionalities?

Mapping and concatenating

This feature allows you to map each element of an array to a new array and then concatenate those arrays into a single array. In the code sample, each number is mapped to an array containing the number itself and its double, resulting in a new array [1, 2, 2, 4, 3, 6].

[1, 2, 3].concatMap(function (x) { return [x, x * 2]; })

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Package last updated on 12 Oct 2022

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