@kryxsoo/lotide v1.0.1

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 learnings at Lighthouse Labs.

Usage

Install it:

npm install @kryxsoo/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

*head: returns the first element of an array

*tail: returns the last element of an array

*middle: returns the middle element(s) of an array

*assertEqual: compares two primitive values and returns true if they are equal

*eqArrays: compares two arrays and returns true if they are equal

*assertArraysEqual: compares two arrays and returns true if they are equal

*assertObjectsEqual: compares two objects and returns true if they are equal

countLetters: takes a string as input and returns an object that indicates how many times each letter appears in the string

*countOnly: takes a collection of items and returns a count for a specific subset of those items

*findKey: takes an object and a callback function, and returns the first key for which the callback function returns a truthy value

*findKeyByValue: takes an object and a value, and returns the first key that contains the value

*map: takes an array and a callback function, and returns a new array based on the results of the callback function

*takeUntil: takes an array and a callback function, and returns a new array with elements until the callback function returns true

*without: takes a source array and an itemsToRemove array, and returns a new array with elements from the source array that are not in the itemsToRemove array

*letterPositions: takes a string as input and returns an object that lists all the indices where each character appears in the string.