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camelcase

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camelcase

Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`

    7.0.0latest

Version published
Maintainers
1
Weekly downloads
70,986,682
decreased by-11.4%

Weekly downloads

Changelog

Source

Breaking

  • Require Node.js 14 1d2e9e1
  • This package is now pure ESM. Please read this.

Improvements

  • A separator as input should return an empty string (#99) 6f12d6d

https://github.com/sindresorhus/camelcase/compare/v6.3.0...v7.0.0

Readme

Source

camelcase

Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: foo-barfooBar

Correctly handles Unicode strings.

If you use this on untrusted user input, don't forget to limit the length to something reasonable.

Install

npm install camelcase

Usage

import camelCase from 'camelcase'; camelCase('foo-bar'); //=> 'fooBar' camelCase('foo_bar'); //=> 'fooBar' camelCase('Foo-Bar'); //=> 'fooBar' camelCase('розовый_пушистый_единорог'); //=> 'розовыйПушистыйЕдинорог' camelCase('Foo-Bar', {pascalCase: true}); //=> 'FooBar' camelCase('--foo.bar', {pascalCase: false}); //=> 'fooBar' camelCase('Foo-BAR', {preserveConsecutiveUppercase: true}); //=> 'fooBAR' camelCase('fooBAR', {pascalCase: true, preserveConsecutiveUppercase: true})); //=> 'FooBAR' camelCase('foo bar'); //=> 'fooBar' console.log(process.argv[3]); //=> '--foo-bar' camelCase(process.argv[3]); //=> 'fooBar' camelCase(['foo', 'bar']); //=> 'fooBar' camelCase(['__foo__', '--bar'], {pascalCase: true}); //=> 'FooBar' camelCase(['foo', 'BAR'], {pascalCase: true, preserveConsecutiveUppercase: true}) //=> 'FooBAR' camelCase('lorem-ipsum', {locale: 'en-US'}); //=> 'loremIpsum'

API

camelCase(input, options?)

input

Type: string | string[]

String to convert to camel case.

options

Type: object

pascalCase

Type: boolean
Default: false

Uppercase the first character: foo-barFooBar

preserveConsecutiveUppercase

Type: boolean
Default: false

Preserve consecutive uppercase characters: foo-BARFooBAR.

locale

Type: false | string | string[]
Default: The host environment’s current locale.

The locale parameter indicates the locale to be used to convert to upper/lower case according to any locale-specific case mappings. If multiple locales are given in an array, the best available locale is used.

import camelCase from 'camelcase'; camelCase('lorem-ipsum', {locale: 'en-US'}); //=> 'loremIpsum' camelCase('lorem-ipsum', {locale: 'tr-TR'}); //=> 'loremİpsum' camelCase('lorem-ipsum', {locale: ['en-US', 'en-GB']}); //=> 'loremIpsum' camelCase('lorem-ipsum', {locale: ['tr', 'TR', 'tr-TR']}); //=> 'loremİpsum'

Setting locale: false ignores the platform locale and uses the Unicode Default Case Conversion algorithm:

import camelCase from 'camelcase'; // On a platform with 'tr-TR' camelCase('lorem-ipsum'); //=> 'loremİpsum' camelCase('lorem-ipsum', {locale: false}); //=> 'loremIpsum'

camelcase for enterprise

Available as part of the Tidelift Subscription.

The maintainers of camelcase and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. Learn more.

Keywords

FAQs

What is camelcase?

Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`

Is camelcase popular?

The npm package camelcase receives a total of 56,834,320 weekly downloads. As such, camelcase popularity was classified as popular.

Is camelcase well maintained?

We found that camelcase 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.

Last updated on 06 Jun 2022

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