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 @eric-yhf/lotide
Require it:
const _ = require('@eric-yhf/lotide');
Call it:
const results = _.tail([1, 2, 3]) // => [2, 3]
Documentation
The following functions are currently implemented:
-
head(arr): Return first item of a given array -
tail(arr): Return all item in except the head of a given array -
middle: Return the middle-most item of a given array -
assertArraysEqual(firstArr, secArr): Write message to console if assertion (array) pass or fail -
assertEqual(actual, expected): Write message to console if assertion (primitive type) pass or fail -
assertObjectsEqualfunction(object1, object2): Write message to console if assertion (Object) pass or fail -
countLetters(str): Count occurance of each letter in a given string -
countOnly(allItems, itemsToCount): Given a list of item, return counts for a specific subset of those items -
eqArrays(arr1, arr2): Compare two arrays, return true if equal else false -
eqObjects(object1, object2): Compare two objects, return true if equal, else false -
findKey(object, callback): Scan given object and return the first key for which the callback returns a truthy value. Return undefined if no key is found -
findKeyByValue(object, value): Given an object, return the first key which contains the given value, return undefined if not found -
flatten(arr): Flatten nested arrays -
letterPositions(sentence): Return all the indices in the string where each character is found -
map(array, callback): Take in an array and a callback function,return a new array based on the results of the callback function -
takeUntil(array, callback): Return a slice of the array, with elements taken from the beginning, until callback condition meets -
without(source, itemsToRemove): Remove target(s) from a given array