A mini clone of the Lodash library.
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.
Install it:
npm install @natebain/lotide
Require it:
const _ = require('@natebain/lotide');
Call it:
const results = _.tail([1, 2, 3]) // => [2, 3]
The following functions are currently implemented:
-
function1(assertArraysEqual): This function will take in two arrays and console.log an appropriate message to the console. -
function2(assertEqual): This function will assess two datasets and determine whether or not they are identical. It will console.log the results. -
function3(assertObjectsEqual): Assesses two objects and determines if they have identical key:value pairs using the eqObjects function. It will console.log the results. -
function4(countLetters): Returns the amount of times that a letter appears in a string (ex. LHL = L : 2, H : 1) -
function5(countOnly): Returns an object that, after counting all strings inputted, counts the total amount of appearances of a parameter(s) set by the user. -
function5(eqArrays): Returns a message that, using the assertEqual function, will console.log whether two Arrays are identical or not. -
function6(eqObjects): Returns a message that will console.log whether two Objects are identical or not, regardless of order of key:value pairs. -
function7(findKey): This function takes in an object and a callback. It should scan the object and return the first key for which the callback returns a truthy value. If no key is found, then it should return undefined. -
function8(findKeyByValue): This function takes in an object and a value, scanning the object and returning the key which contains the given value. If there is no matching key, it will return undefined. -
function9(head): This function scans an array and returns only the first value of said array. -
function10(index): An index containing all other functions in lotide. -
function11(letterPositions): A function that identifies individual letters in a string and returns them in an array, showing their numbered position. -
function12(map): A function that takes in an array and a callback function. It then returns an array based on the conditions set by the callback function. -
function13(middle): A function that takes in an array and returns the middle-most element of the array if the array has an odd number of elements. If it has an even number, it returns the middle-two elements of the array. If the array has 2 or less elements, return an empty array. -
function14(tail): A function that takes an array and returns all elements in the array except for the first one. -
function15(takeUntil): A function that returns a "slice" of an array, starting from the beginning on, until a certain condition is met (take until condition is met). -
function16(without): A function that takes in two arrays (one source array and one itemsToRemove) and returns the items from the source array that are not present in the itemsToRemove array.