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Lotide

A mini clone of the Lodash library.

Purpose

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 studies at Lighthouse Labs.

Usage

Install:

npm install @wjb8/lotide

Require it:

const _ = require('@wjb8/lotide');

Call it:

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

Documentation

The following functions are currently implemented:

  • assertArraysEqual(arrayOne, arrayTwo): compare two arrays and return true if equal
  • assertEqual(actual, expected): return true if actual === expected
  • assertObjectsEqual(obj1, obj2): compare two objects and return true if equal
  • countLetters(string): return an object of letters and their occurences in the string
  • countOnly(allItems, itemsToCount): returns an object of only the items listed in the second parameter
  • eqArrays(arrayOne, arrayTwo): used with assertArraysEqual to compare two arrays
  • eqObjects(obj1, obj2): used with assertObjectsEqual to compare two objects
  • findKey(obj, callback): returns keys in an object that match the callback function result
  • findKeyByValue(object, val): similarly returns key that holds the passed value argument
  • flatten(array): returns a new array of all elements in the passed array ignoring nested arrays
  • head(array): returns the first element of an array
  • letterPositions(sentence): returns the positions in the string of the passed letter
  • map(array, callback): executes a callback function on each element of the array and returns a new array of the results
  • middle(array): returns the middle element of an array (middle two elements if odd)
  • tail(array): returns the array with the head removed
  • takeUntil(arr, callback): returns elements in the array until the callback function returns false
  • without(source, itemsToRemove): returns new array without the list of items to remove

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