Package Exports

change-case
change-case/change-case

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Readme

Change Case

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

All methods support Unicode (non-ASCII characters) and non-string entities, such as objects with a toString property, numbers and booleans. Empty values (null and undefined) will result in an empty string.

Methods are also available on npm as an individual packages.

Installation

npm install change-case --save

Usage

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

Available methods (short-hand shown below, long-hand available in examples):

camel
constant
dot
header
isLower
isUpper
lower
lcFirst
no
param
pascal
path
sentence
snake
swap
title
upper
ucFirst

All methods accept two arguments, the string to change case and an optional locale.

camelCase

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

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

constantCase

Return as an upper case, underscore separated string.

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

dotCase

Return as a lower case, period separated string.

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

headerCase

Return as a title cased, dash separated string.

changeCase.headerCase('test string')
//=> "Test-String"

isLowerCase

Return a boolean indicating whether the string is lower cased.

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

isUpperCase

Return a boolean indicating whether the string is upper cased.

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

lowerCase

Return the string in lower case.

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

lowerCaseFirst

Return the string with the first character lower cased.

changeCase.lowerCaseFirst('TEST')
//=> "tEST"

noCase

Return the string without any casing (lower case, space separated).

changeCase.noCase('test string')
//=> "test string"

paramCase

Return as a lower case, dash separated string.

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

pascalCase

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

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

pathCase

Return as a lower case, slash separated string.

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

sentenceCase

Return as a lower case, space separated string with the first letter upper case.

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

snakeCase

Return as a lower case, underscore separated string.

changeCase.snakeCase('test string')
//=> "test_string"

swapCase

Return as a string with every character case reversed.

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

titleCase

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

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

upperCase

Return the string in upper case.

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

upperCaseFirst

Return the string with the first character upper cased.

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

TypeScript

Includes a TypeScript definition.

License

MIT

change-case