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 @lucyshen/lotide
Require it:
const _ = require('@lucyshen/lotide');
Call it:
const results = _.tail([1, 2, 3]) // => [2, 3]
The following functions are currently implemented:
head
: Returns the first element of an arraytail
: Returns the tail end of an array after the first elementmiddle
: Returns the middle element of an array (single element for odd number of elements, two elements for even number of elements)countLetters
: Returns an object counting the number of times a letter appears in a stringcountOnly
: Given an array of strings and an object specifying what to count, returns a count of how many instances of each string were found in the arrayfindKey
: Given an object and a callback, scans the object and returns the first key for which the callback returns a truthy valuefindKeyByValue
: Given an object and a value, scans the object and returns first key with the given valueflatten
: Given an array with other arrays inside, it can flatten it into a single-level arrayletterPositions
: Returns an object with all the letters that appear in a string, with each letter's indexmap
: Given an array and a callback function, performs the function on all elements in the array and returns a new arraytakeUntil
: Given an array and a callback function, return a new array until the callback condition is metwithout
: Given a source array and an items to remove array, returns a new array without the specific itemseqArrays
: Returns true if each element in two arrays have a perfect matcheqObjects
: Returns true if both objects have identical keys with identical values