You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					45 lines
				
				1.5 KiB
			
		
		
			
		
	
	
					45 lines
				
				1.5 KiB
			| 
											3 years ago
										 | // @flow | ||
|  | import type { Styles } from '../types/style' | ||
|  | import PolishedError from '../internalHelpers/_errors' | ||
|  | 
 | ||
|  | /** | ||
|  |  * Accepts any number of transition values as parameters for creating a single transition statement. You may also pass an array of properties as the first parameter that you would like to apply the same transition values to (second parameter). | ||
|  |  * @example | ||
|  |  * // Styles as object usage | ||
|  |  * const styles = { | ||
|  |  *   ...transitions('opacity 1.0s ease-in 0s', 'width 2.0s ease-in 2s'), | ||
|  |  *   ...transitions(['color', 'background-color'], '2.0s ease-in 2s') | ||
|  |  * } | ||
|  |  * | ||
|  |  * // styled-components usage | ||
|  |  * const div = styled.div` | ||
|  |  *   ${transitions('opacity 1.0s ease-in 0s', 'width 2.0s ease-in 2s')}; | ||
|  |  *   ${transitions(['color', 'background-color'], '2.0s ease-in 2s'),}; | ||
|  |  * ` | ||
|  |  * | ||
|  |  * // CSS as JS Output | ||
|  |  * | ||
|  |  * div { | ||
|  |  *   'transition': 'opacity 1.0s ease-in 0s, width 2.0s ease-in 2s' | ||
|  |  *   'transition': 'color 2.0s ease-in 2s, background-color 2.0s ease-in 2s', | ||
|  |  * } | ||
|  |  */ | ||
|  | export default function transitions(...properties: Array<string | Array<string>>): Styles { | ||
|  |   if (Array.isArray(properties[0]) && properties.length === 2) { | ||
|  |     const value = properties[1] | ||
|  |     if (typeof value !== 'string') { | ||
|  |       throw new PolishedError(61) | ||
|  |     } | ||
|  |     const transitionsString = properties[0] | ||
|  |       .map((property: string): string => `${property} ${value}`) | ||
|  |       .join(', ') | ||
|  |     return { | ||
|  |       transition: transitionsString, | ||
|  |     } | ||
|  |   } else { | ||
|  |     return { | ||
|  |       transition: properties.join(', '), | ||
|  |     } | ||
|  |   } | ||
|  | } |