seamusmcgill / lotide

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 @seamusmcgill/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• function1(...): description
• function2(...): description
• function3(...): description
• head(array): Return the head element of an array
• tail(array): Return the tail elements of an array
• middle(array): Return the middle elements of an array
• assertEqual(actual, expected): Print assertion of equality between primitive values
• assertArraysEqual(actual, expected): Print assertion of equality between two arrays
• assertObjectsEqual(actual, expected): Print assertion of equality between two objects
• countLetters(sentence): Return an object with the letter counts for each letter in a sentence
• countOnly(allItems, itemsToCount): Given an array of items (allItems), count the number of instances of values that have a "true" value in the itemsToCount object
• eqArrays(array1, array2): Return true if two arrays are deeply equal
• eqObjects(object1, object2): Return true if two objects are deeply equal
• findKey(object, callback): Return key from object whose value satisfies given callback condition
• findKeyByValue(object, value): Return key from object whose value is equal to input value
• flatten(array): Flatten an array with elements that are nested arrays. Only handles one level of nesting.
• letterPositions(sentence): Return an object with the indices of each ocurrence of letters in a sentence
• map(array, callback): Return a new array containing the elements of the input array as transformed by the callback function
• takeUntil(array, callback): Return an array that contains the elements up until the element in the input array that satisfied the callback condition
• without(source, itemsToRemove): Return a subset of a given array, removing unwanted elements