a collection of useful javascript utility and test functions

Usage no npm install needed!

<script type="module">
  import adamBrendanLotide from 'https://cdn.skypack.dev/@adam-brendan/lotide';



A mini clone of the Lodash library.


BEWARE: This library was published for learning purposes. It is not intended for use in production-grade software.

This project was created and published by me as part of my learnings at Lighthouse Labs.


Install it:

npm install @adam-brendan/lotide

Require it:

const _ = require('@adam-brendan/lotide');

Call it:

const results = _.tail([1, 2, 3]) // => [2, 3]


The following functions are currently implemented:

  • countLetters: creates an object with the count of each letter in a string
  • countOnly: counts the instances of given values in an array
  • eqArrays: checks if two arrays are equal
  • eqObjects: checks if two objects are equal
  • findKey: finds the key of an object that corresponds to a callback
  • findKeyByValue: finds the key of an object using a given value
  • flatten: flattens a nested array to one level of depth
  • head: returns the first value of an array
  • letterPositions: returns the index values of all letters in a string
  • map: a clone of javascript's map function
  • middle: returns the middle value(s) of an array
  • tail: returns an array with the first value removed
  • takeUntil: prints each value of an array until a given condition is met
  • without: take an array and removes a specific value