camelcase converts a given string to camelCase format, which is a common convention in JavaScript and programming in general. It takes a string with spaces, underscores, or hyphens and transforms it into camelCase by removing the delimiters and capitalizing the first letter of each subsequent word, except for the first one. This is particularly useful for formatting variable names, function names, or any other identifiers that need to follow the camelCase convention.

lodash is a comprehensive utility library that includes a wide range of functions for manipulating arrays, objects, and strings. It provides several case transformation functions, such as _.camelCase, _.snakeCase, and _.kebabCase, among others. While lodash is not solely focused on case manipulation, its extensive feature set and well-optimized functions make it a valuable tool for any JavaScript project. The library is highly regarded for its performance, consistency, and ease of use, making it a staple in the developer community.

lower-case is a simple and efficient library that converts strings to lowercase. It is focused on providing a single transformation with high performance and minimal overhead. The library is lightweight and easy to use, making it a great choice for projects that require quick and reliable lowercase conversion without any additional features or complexity.

change-case is a versatile library that provides a wide range of case transformation functions, including camelCase, snake_case, kebab-case, and more. It is designed to be modular, allowing developers to import only the specific case transformation functions they need, which helps keep the bundle size small. The library is particularly useful for projects that require consistent and customizable case transformations for strings, making it a popular choice among developers.

upper-case is a small library that converts strings to uppercase. It provides a straightforward function for transforming any input string into its uppercase equivalent. The library is lightweight and focused on this single task, making it ideal for projects that need a simple and efficient solution for uppercase conversion.

change-case-all is a unique library that transforms strings into multiple case formats simultaneously. It supports various cases, including camelCase, snake_case, kebab-case, and more, allowing developers to generate all case variations of a string with a single function call. This can be particularly useful for applications that need to display or process strings in multiple formats at once, making it a versatile tool for string manipulation.

case is a simple library that provides functions for transforming strings into different cases, including camelCase, snake_case, and kebab-case. It offers a straightforward API for case conversion, making it easy to use for various string manipulation tasks. The library is lightweight and focuses on providing clear and consistent case transformations without any unnecessary complexity.

camelcase is a very lightweight library, with a minified size of around 1 KB. Its small size makes it ideal for projects where performance and load times are critical, as it adds minimal overhead to the application.

lodash is a large utility library, with a minified size of around 4 KB for the core library. However, its size can be a concern for projects that only need a few functions. To mitigate this, developers can use tree-shaking or import only the specific lodash functions they need to reduce the overall bundle size. Despite its size, lodash is widely used for its performance and versatility across many areas of JavaScript development.

lower-case is a small library with a minimal footprint, making it an excellent choice for projects that prioritize performance and quick load times. Its simplicity and focus on a single function keep the bundle size low, which is beneficial for web applications and environments where every kilobyte counts.

change-case is a modular library, which means you can import only the specific case transformation functions you need. This modular design helps keep the bundle size small, especially if you only use a few of its many features. However, the overall size of the library is larger than some single-purpose case transformation libraries due to its comprehensive nature.

upper-case is a lightweight library that adds very little to the bundle size. Its focus on a single functionality (converting strings to uppercase) means that it is efficient and quick to load, making it suitable for performance-sensitive applications.

change-case-all is designed to be efficient while providing multiple case transformations. Its bundle size is reasonable given the functionality it offers, but it is larger than single-purpose libraries like camelcase or lower-case. The trade-off is worth it for projects that need to generate multiple case formats from a single string.

case is a lightweight library that provides multiple case transformation functions without significantly increasing the bundle size. It is designed to be simple and efficient, making it a good choice for projects that need quick and easy case conversions without bloating the codebase.

camelcase is straightforward to use, with a simple function that takes a string as input and returns the camelCase version. Its simplicity makes it easy to integrate into any project without a steep learning curve.

Example:

const camelcase = require('camelcase');

const input = 'hello world';
const output = camelcase(input);
console.log(output); // helloWorld

lodash is known for its well-designed and consistent API, which makes it easy to use across various functions. The library is well-documented, and its case transformation functions are intuitive for developers familiar with JavaScript.

Example:

const _ = require('lodash');

const str = 'hello world';
const camelCase = _.camelCase(str);
const snakeCase = _.snakeCase(str);
const kebabCase = _.kebabCase(str);

console.log(camelCase); // helloWorld
console.log(snakeCase); // hello_world
console.log(kebabCase); // hello-world

lower-case is extremely easy to use, with a single function that converts any string to lowercase. Its simplicity makes it a go-to choice for quick and reliable lowercase transformations.

Example:

const lowerCase = require('lower-case');

const input = 'Hello World';
const output = lowerCase(input);
console.log(output); // hello world

change-case offers a user-friendly API for its various case transformation functions. The modular design allows developers to use only what they need, which simplifies implementation and reduces confusion.

Example:

const { camelCase, snakeCase, kebabCase } = require('change-case');

console.log(camelCase('hello world')); // helloWorld
console.log(snakeCase('hello world')); // hello_world
console.log(kebabCase('hello world')); // hello-world

upper-case is simple to use, with a clear function for converting strings to uppercase. Its straightforward design makes it easy for developers to implement without any confusion.

Example:

const upperCase = require('upper-case');

const input = 'Hello World';
const output = upperCase(input);
console.log(output); // HELLO WORLD

change-case-all provides an intuitive API for transforming strings into multiple case formats at once. Its documentation clearly explains how to use the library, making it easy for developers to implement.

Example:

const changeCaseAll = require('change-case-all');

const input = 'hello world';
const cases = changeCaseAll(input);
console.log(cases);
// { camelCase: 'helloWorld', snake_case: 'hello_world', kebab-case: 'hello-world' }

case provides a simple API for case transformations, making it easy to use for developers. Its documentation is clear, which helps users understand how to implement the library quickly.

Example:

const { camelCase, snakeCase, kebabCase } = require('case');

console.log(camelCase('hello world')); // helloWorld
console.log(snakeCase('hello world')); // hello_world
console.log(kebabCase('hello world')); // hello-world