@aaron.timbol/lotide 中文文档教程

发布于 5年前 浏览 24 项目主页 更新于 3年前

Lotide

Lodash 库的迷你克隆。

Purpose

注意:此库是出于学习目的而发布的。 它旨在用于生产级软件。

这个项目是我创建和发布的,是我在 Lighthouse Labs 学习的一部分。

Usage

安装它:

npm install @aaron.timbol/lotide

需要它:

const _ = require('aaron.timbol/lotide' );

调用它:

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

Documentation

目前实现了以下功能:

  • assertArraysEqual(arr1, arr2): Will log a message indicating if arr1 is equivalent to arr2
  • assertEqual(actual, expected): Will log a message indicating if actual is equivalent to expected - used to test the output of functions and their expected value(s)
  • assertObjectsEqual(actual, expected): Will log a message indicating if the object in actual is equivalent to the object in expected - use to test output of functions and their expected object value(s)
  • countLetters(str): Will return an object with each letter provided in str and the number of times it appears in that string
  • countOnly(allitems, itemsToCount`): Will return an object with a count of each name in object itemsToCount and the amount of times it appears in allitems
  • eqArrays(arr1, arr2): Will evaluate if arr1 is equal to arr2 and return a boolean
  • eqObject(object1, object2): Will evaluate if object1 is equal to object2 and return a boolean
  • findKey(obj, callback): Will loop through keys in an object until the condition indicated in callback is satisfied. If no key is found, undefined is returned
  • findKeyByValue(obj, value): Goes through all the keys in an object and returns the first key that contains the value provided
  • flatten(arr): Will evaluate arr, looping through one level of nested array, and will return a new array with no nested arrays
  • head(arr): Will return the first element in an array
  • letterPositions(str): Will return an object with a count of how many times each letter appears in a string
  • map(arr, callback): Imitates the .map() method for arrays in JS
  • middle(arr): Will return the middle-most value(s) in an array whose length is above 2
  • tail(arr): Returns all elements of an array except the first element in cases where arr.length is above 2
  • takeUntil(arr, func): Collects items in an array until the func condition is meant, at which point, it will return all the values preceding that value
  • without(sourceArr, itemsToRemove): Will return the elements in sourceArr, not including those in itemsToRemove

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 @aaron.timbol/lotide

Require it:

const _ = require('aaron.timbol/lotide');

Call it:

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

Documentation

The following functions are currently implemented:

  • assertArraysEqual(arr1, arr2): Will log a message indicating if arr1 is equivalent to arr2
  • assertEqual(actual, expected): Will log a message indicating if actual is equivalent to expected - used to test the output of functions and their expected value(s)
  • assertObjectsEqual(actual, expected): Will log a message indicating if the object in actual is equivalent to the object in expected - use to test output of functions and their expected object value(s)
  • countLetters(str): Will return an object with each letter provided in str and the number of times it appears in that string
  • countOnly(allitems, itemsToCount`): Will return an object with a count of each name in object itemsToCount and the amount of times it appears in allitems
  • eqArrays(arr1, arr2): Will evaluate if arr1 is equal to arr2 and return a boolean
  • eqObject(object1, object2): Will evaluate if object1 is equal to object2 and return a boolean
  • findKey(obj, callback): Will loop through keys in an object until the condition indicated in callback is satisfied. If no key is found, undefined is returned
  • findKeyByValue(obj, value): Goes through all the keys in an object and returns the first key that contains the value provided
  • flatten(arr): Will evaluate arr, looping through one level of nested array, and will return a new array with no nested arrays
  • head(arr): Will return the first element in an array
  • letterPositions(str): Will return an object with a count of how many times each letter appears in a string
  • map(arr, callback): Imitates the .map() method for arrays in JS
  • middle(arr): Will return the middle-most value(s) in an array whose length is above 2
  • tail(arr): Returns all elements of an array except the first element in cases where arr.length is above 2
  • takeUntil(arr, func): Collects items in an array until the func condition is meant, at which point, it will return all the values preceding that value
  • without(sourceArr, itemsToRemove): Will return the elements in sourceArr, not including those in itemsToRemove
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