# camelcase [](https://travis-ci.org/sindresorhus/camelcase)
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> Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`
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---
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<div align="center">
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<b>
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<a href="https://tidelift.com/subscription/pkg/npm-camelcase?utm_source=npm-camelcase&utm_medium=referral&utm_campaign=readme">Get professional support for 'camelcase' with a Tidelift subscription</a>
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</b>
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<br>
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<sub>
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Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
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</sub>
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</div>
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---
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## Install
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```
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$ npm install camelcase
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```
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## Usage
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```js
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const camelCase = require('camelcase');
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camelCase('foo-bar');
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//=> 'fooBar'
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camelCase('foo_bar');
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//=> 'fooBar'
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camelCase('Foo-Bar');
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//=> 'fooBar'
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camelCase('Foo-Bar', {pascalCase: true});
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//=> 'FooBar'
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camelCase('--foo.bar', {pascalCase: false});
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//=> 'fooBar'
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camelCase('foo bar');
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//=> 'fooBar'
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console.log(process.argv[3]);
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//=> '--foo-bar'
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camelCase(process.argv[3]);
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//=> 'fooBar'
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camelCase(['foo', 'bar']);
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//=> 'fooBar'
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camelCase(['__foo__', '--bar'], {pascalCase: true});
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//=> 'FooBar'
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```
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## API
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### camelCase(input, [options])
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#### input
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Type: `string` `string[]`
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String to convert to camel case.
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#### options
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Type: `Object`
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##### pascalCase
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Type: `boolean`<br>
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Default: `false`
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Uppercase the first character: `foo-bar` → `FooBar`
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## Security
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To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
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## Related
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- [decamelize](https://github.com/sindresorhus/decamelize) - The inverse of this module
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- [uppercamelcase](https://github.com/SamVerschueren/uppercamelcase) - Like this module, but to PascalCase instead of camelCase
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- [titleize](https://github.com/sindresorhus/titleize) - Capitalize every word in string
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- [humanize-string](https://github.com/sindresorhus/humanize-string) - Convert a camelized/dasherized/underscored string into a humanized one
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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