@bernadetteroseabalos/lotide v1.0.0

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 @bernadetteroseabalos/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• assertArraysEqual(arrayOne, arrayTwo): Compares two arrays. Assertion test passed if they are equal, failed if not equal.
• assertEqual(actual, expected): Compares two primitive values and asserts true if they are the same.
• assertObjectsEqual(object1, object2): Compares two objects and asserts true if they are the same.
• countLetters(sentence): Takes in a sentence and returns count of each of the letters in the sentence.
• countOnly(allItems, itemsToCount): Takes in a collection of items (allItems) and returns a specific subset of those items (itemsToCount).
• eqArrays(arrayOne, arrayTwo): Compares two arrays and returns true if arrays are equal.
• eqObjects(object1, object2): Compares two objects and returns true if they are equal.
• findKey(object, callback): Takes in an object and a callback. Scans the object and returns the first key for which the callback returns a truthy value. If no key is found, returns undefined.
• findKeyByValue(object, value): Takes in an object and a value. Scans object and returns first key which contains the given value. If no key with that given value is found, returns undefined.
• flatten(arrayOne, arrayTwo): Takes in an array containing nested arrays as elements and flattens them into one array.
• head(array): Takes in an array and returns first item in the array.
• letterPositions(sentence): Takes in a sentence and returns indices of letters in the string.
• map(array, callback): Takes in an array and callback and returns new array based on callback function. Callback function is applied to all elements in the array.
• middle(array): Takes in an array and returns middle element.
• tail(array): Takes in array and returns everything but the first element in the array (tail).
• takeUntil(array, callback): Takes in an array and callback and returns sliced version of array. Will keep collecting items from provided array until callback returns truthy value.
• without(source, itemsToRemove): Takes in source array and removes items in the array (itemsToRemove).