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    uniq
    DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/uniq package

    1.0.1 • Public • Published

    uniq

    Removes all duplicates from an array in place.

    Usage

    First install using npm:

    npm install uniq
    

    Then use it as follows:

     
    var arr = [1, 1, 2, 2, 3, 5]
     
    require("uniq")(arr)
    console.log(arr)
     
    //Prints:
    //
    //  1,2,3,5
    //

    require("uniq")(array[, compare, sorted])

    Removes all duplicates from a sorted array in place.

    • array is the array to remove items from
    • compare is an optional comparison function that returns 0 when two items are equal, and something non-zero when they are different. If unspecified, then the default equals will be used.
    • sorted if true, then assume array is already sorted

    Returns: A reference to array

    Time Complexity: O(array.length * log(arra.length)) or O(array.length) if sorted

    Why use this instead of underscore.uniq[ue]?

    A few reasons:

    • This library updates the array in place without making an extra copy (and so it is faster for large arrays)
    • It also accepts a custom comparison function so you can remove duplicates from arrays containing object
    • It is more modular in the sense that it doesn't come with a bazillion other utility grab bag functions.

    Credits

    (c) 2013 Mikola Lysenko. MIT License

    Install

    npm i uniq

    DownloadsWeekly Downloads

    6,900,047

    Version

    1.0.1

    License

    MIT

    Last publish

    Collaborators

    • mikolalysenko