32 lines
823 B
JavaScript
32 lines
823 B
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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const uppercasePattern = /([A-Z])/g;
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const msPattern = /^ms-/;
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/**
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* Hyphenates a camelcased CSS property name, for example:
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*
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* > hyphenateStyleName('backgroundColor')
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* < "background-color"
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* > hyphenateStyleName('MozTransition')
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* < "-moz-transition"
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* > hyphenateStyleName('msTransition')
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* < "-ms-transition"
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*
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* As Modernizr suggests (http://modernizr.com/docs/#prefixed), an `ms` prefix
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* is converted to `-ms-`.
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*/
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export default function hyphenateStyleName(name: string): string {
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return name
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.replace(uppercasePattern, '-$1')
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.toLowerCase()
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.replace(msPattern, '-ms-');
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}
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