change-case

What is change-case?

The change-case package is a utility library that provides various functions to transform strings between different cases, such as camel case, snake case, kebab case, and more. It is useful for formatting strings in different coding conventions or textual formats.

What are change-case's main functionalities?

camelCase

Converts a string to camel case.

const { camelCase } = require('change-case');
console.log(camelCase('test string')); // 'testString'

snakeCase

Converts a string to snake case.

const { snakeCase } = require('change-case');
console.log(snakeCase('test string')); // 'test_string'

kebabCase

Converts a string to kebab case.

const { kebabCase } = require('change-case');
console.log(kebabCase('test string')); // 'test-string'

titleCase

Converts a string to title case.

const { titleCase } = require('change-case');
console.log(titleCase('test string')); // 'Test String'

constantCase

Converts a string to constant case.

const { constantCase } = require('change-case');
console.log(constantCase('test string')); // 'TEST_STRING'

Other packages similar to change-case

lodash

Lodash is a comprehensive utility library that includes methods for string case transformation, such as _.camelCase, _.snakeCase, and _.kebabCase. It offers a wider range of utilities beyond string case conversion, making it more versatile but also larger in size compared to change-case.

case

The 'case' package is another string case conversion library that supports various case transformations. It is similar to change-case but has a different API and may have different case conversion implementations.

string-case

String-case is a library that provides case conversion functions similar to change-case. It may offer a different set of features or API design, which could be preferred by some developers over change-case.

README

Change Case

Quickly convert strings between camelCase, PascalCase, Title Case, snake_case, lowercase, UPPERCASE, CONSTANT_CASE and more.

Installation

npm install change-case --save

Usage

var changeCase = require('change-case');
//=> { isUpperCase: [Function], ... }

isUpperCase changeCase.isUpper(string)

Return a boolean indicating the string is upper cased.

changeCase.isUpperCase('test string');
//=> false

isLowerCase changeCase.isLower(string)

Return a boolean indicating the string is lower cased.

changeCase.isLowerCase('test string');
//=> true

upperCase changeCase.upper(string)

Return an upper cased string.

changeCase.upperCase('test string');
//=> "TEST STRING"

upperCaseFirst changeCase.ucFirst(string)

Return a string with the first character upper cased.

changeCase.upperCaseFirst('test');
//=> "Test"

lowerCase changeCase.lower(string)

Return a lower cased string.

changeCase.lowerCase('TEST STRING');
//=> "test string"

titleCase changeCase.title(string)

Return a space separated string with the first character of every word upper cased.

changeCase.titleCase('a simple test');
//=> "A Simple Test"

sentenceCase changeCase.sentence(string)

Return a lower cased, space separated string.

changeCase.sentenceCase('testString');
//=> "test string"

camelCase changeCase.camel(string)

Return a string with the separators denoted by having the next letter capitalized.

changeCase.camelCase('test string');
//=> "testString"

pascalCase changeCase.pascal(string)

Return a string denoted in the same fashion as camelCase, but with the first letter capitalized.

changeCase.pascalCase('test string');
//=> "TestString"

snakeCase changeCase.snake(string)

Return a lower cased, space separated string.

changeCase.snakeCase('test string');
--> "test_string"

paramCase changeCase.param(string)

Return a lower cased, dash separated string.

changeCase.paramCase('test string');
//=> "test-case"

dotCase changeCase.dot(string)

Return a lower cased, period separated string.

changeCase.dotCase('test string');
//=> "test.string"

pathCase changeCase.path(string)

Return a lower cased, slash separated string.

changeCase.pathCase('test string');
//=> "test/string"

constantCase changeCase.constant(string)

Return an upper cased, underscore separated string.

changeCase.constantCase('test string');
//=> "TEST_STRING"

swapCase changeCase.swap(string)

Return a string with lower case characters upper cased and upper case character lower cased.

changeCase.swapCase('Test String');
//=> "tEST sTRING"

License

MIT