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 @ronnieguo/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• head(...): takes in an array and returns the first element in the array
• tail(...): takes in an array and returns everything except the first element of the array
• middle(...): takes in an array and returns middle most element of the array
• assertArraysEqual(...): prints an appropriate message after comparing the two arrays
• assertEqual(...): takes in 2 values and returns true if they are equal and false otherwise
• assertObjectsEqual(...): function that takes in 2 objects and returns true if they are equal and false otherwise.
• countLetters(...): takes in a sentence and returns a count of each of the letters in the sentence
• countOnly(...): takes in a collection of items and returns a specific subset of those items
• eqArrays(...): takes in 2 arrays and returns true if the arrays are equal and false otherwise
• eqObjects(...): function that takes in 2 objects and return true if they are equal and false otherwise
• findKey(...): function that takes in an object and callback and returns the first key that meets the criteria specified in callback.
• findKeyByValue(...): function that takes in an object and a value and returns the first key that corresponds to that value
• flatten(...): takes in an array that contains elements including nested array of elements and returns a flattened version of the array
• letterPositions(...): takes in a string and returns all indices of letter positions in the string
• map(...): function that takes in an array and a callback and returns a new array based on the results of the callback on each item in the array.
• takeUntil(...): function that takes in an array and callback and returns a slice of the array based on the criteria specified in the callback.
• without(...): takes in a source array and an itemsToRemove arrays and returns only the items from the source array that are not in the itemsToRemove array