case-anything
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camelCase, kebab-case, PascalCase... a simple integration with nano package size. (SMALL footprint!)
npm i case-anything
14 case changing functions: camelCase, kebab-case, PascalCase and more...
A simple integration with nano package size. (SMALL footprint!)
I created this package because most other packages that do simple case changing are so big...
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Some features I focused on: |
Case anything is used in... |
case-anything supports tree-shaking and is side-effect free!
// just import the functions you need like so:
import { camelCase, kebabCase } from 'case-anything'
case-anything has different behaviour if the string you pass has spaces or not.
| Name | Input example | Output example |
|---|---|---|
| 🐪 camelCase | camelCase('$catDog') | catDog |
| 🐫 PascalCase UpperCamelCase | pascalCase('$catDog')upperCamelCase('$catDog') | CatDog |
| 🥙 kebab-case | kebabCase('$catDog') | cat-dog |
| 🐍 snake_case | snakeCase('$catDog') | cat_dog |
| 📣 CONSTANT_CASE | constantCase('$catDog') | CAT_DOG |
| 🚂 Train-Case | trainCase('$catDog') | Cat-Dog |
| 🕊 Ada_Case | adaCase('$catDog') | Cat_Dog |
| 👔 COBOL-CASE | cobolCase('$catDog') | CAT-DOG |
| 📍 Dot.notation | dotNotation('$catDog') | cat.Dog |
| 📂 Path/case | pathCase('$catDog') | $cat/Dog |
| 🛰 Space case | spaceCase('$catDog') | $cat Dog |
| 🏛 Capital Case | capitalCase('$catDog') | $Cat Dog |
| 🔡 lower case | lowerCase('$catDog') | $cat dog |
| 🔠 UPPER CASE | upperCase('$catDog') | $CAT DOG |
You can see that most functions by default remove special characters, and some functions keep special characters.
| functions that remove special characters* | functions that keep special characters* |
|---|---|
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*You can control wether or not to keep or remove special characters like so:
// default:
camelCase('$catDog') === 'catDog'
// force keeping special characters:
camelCase('$catDog', { keepSpecialCharacters: true }) === '$catDog'
// default:
pathCase('$catDog') === '$cat/Dog'
// force removing special characters:
pathCase('$catDog', { keepSpecialCharacters: false }) === 'cat/Dog'
These cases do not change the casing of the words:
// default:
dotNotation('$catDog') === 'cat.Dog'
// force lower case:
dotNotation('$catDog').toLowerCase() === 'cat.dog'
As soon as there is a space in the target string, it will regard the input as a sentence and only split each part at the spaces.
| Name | Input example | Output example |
|---|---|---|
| 🐪 camelCase | camelCase("I'm O.K.!") | imOk |
| 🐫 PascalCase UpperCamelCase | pascalCase("I'm O.K.!")upperCamelCase("I'm O.K.!") | ImOk |
| 🥙 kebab-case | kebabCase("I'm O.K.!") | im-ok |
| 🐍 snake_case | snakeCase("I'm O.K.!") | im_ok |
| 📣 CONSTANT_CASE | constantCase("I'm O.K.!") | IM_OK |
| 🚂 Train-Case | trainCase("I'm O.K.!") | Im-Ok |
| 🕊 Ada_Case | adaCase("I'm O.K.!") | Im_Ok |
| 👔 COBOL-CASE | cobolCase("I'm O.K.!") | IM-OK |
| 📍 Dot.notation | dotNotation("I'm O.K.!") | Im.OK |
| 📂 Path/case | pathCase("I'm O.K.!") | I'm/O.K.! |
| 🛰 Space case | spaceCase("I'm O.K.!") | I'm O.K.! |
| 🏛 Capital Case | capitalCase("I'm O.K.!") | I'm O.k.! |
| 🔡 lower case | lowerCase("I'm O.K.!") | i'm o.k.! |
| 🔠 UPPER CASE | upperCase("I'm O.K.!") | I'M O.K.! |
Also note, that multiple sequential spaces are treated as one space.
Instead of removing all special characters, you can opt to keep some special characters.
In the example below we see:
$cat-dog$CatDogpascalCase('$cat-dog', { keepSpecialCharacters: false })
// CatDog → not what we want
pascalCase('$cat-dog', { keepSpecialCharacters: true })
// $Cat-Dog → not what we want
pascalCase('$cat-dog', { keep: ['$'] })
// $CatDog → desired output
I have extended regular alphabet with the most common Latin-1 Supplement special characters.
The coolest thing about this library is that it will "convert" special characters into regular alphabet for the cases used as variable names! 😎
// CONVERTS special characters:
camelCase('Çâfé Ågård') === 'cafeAgard'
pascalCase('Çâfé Ågård') === 'CafeAgard'
kebabCase('Çâfé Ågård') === 'cafe-agard'
snakeCase('Çâfé Ågård') === 'cafe_agard'
constantCase('Çâfé Ågård') === 'CAFE_AGARD'
trainCase('Çâfé Ågård') === 'Cafe-Agard'
adaCase('Çâfé Ågård') === 'Cafe_Agard'
cobolCase('Çâfé Ågård') === 'CAFE-AGARD'
dotNotation('Çâfé Ågård') === 'Cafe.Agard'
// DOES NOT convert special characters:
spaceCase('Çâfé Ågård') === 'Çâfé Ågård'
pathCase('Çâfé Ågård') === 'Çâfé/Ågård'
lowerCase('Çâfé Ågård') === 'çâfé ågård'
upperCase('Çâfé Ågård') === 'ÇÂFÉ ÅGÅRD'
capitalCase('Çâfé Ågård') === 'Çâfé Ågård'
I have made sure there is great documentation available on hover!
With Better Touch Tool you can set up keyboard shortcuts to convert selected text with JavaScript. This repo provides an easy to install preset that has shortcuts for pascal, kebab and camel case! (thanks to @AndrewKoch) It even supports multi-cursors in VSCode!
Here is an example triggering keyboard shortcuts to convert the selected text to PascalCase; kebab-case; camelCase:
You can download the BTT preset from the source code: case-anything.bttpreset.
We'll compare this package with blakeembrey/change-case, a very famous package on npm.
| case-anything | change-case | |
|---|---|---|
| camelCase | 1.1K (572) | 27.2K (6K) |
| pascalCase | 1.1K (561) | 27.4K (6.1K) |
| kebabCase | 1.1K (541) | 26.8K (5.9K) |
| snakeCase | 1.1K (540) | 26.8K (5.9K) |
| constantCase | 1.1K (540) | 27.2K (6K) |
| pathCase | 1K (530) | 26.8K (5.9K) |
What keeps my package small, is that literally just uses a regex to separate "words".
// the source code is similar to:
export function splitOnSpecialChars(string: string): any[] {
return string.match(/^[a-z]+|[A-Z][a-z]+|[a-z]+|[0-9]+|[A-Z]+(?![a-z])/g)
}
The actual regex used is a little bit more comprehensive and can be found here.
FAQs
camelCase, kebab-case, PascalCase... a simple integration with nano package size. (SMALL footprint!)
The npm package case-anything receives a total of 0 weekly downloads. As such, case-anything popularity was classified as not popular.
We found that case-anything demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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