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/** |
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* Get HEX color and return RGBA. Default return RGB color. |
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* |
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* @param {string} color - The color string. |
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* @return {boolean} opacity The inline CSS class. |
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*/ |
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|
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function hexToRgba( color, opacity ) { |
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if ( ! color ) { |
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return ''; |
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} |
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|
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if ( 'undefined' === typeof opacity || '' === opacity ) { |
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opacity = 100; |
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} |
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|
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color = color.replace( '#', '' ); |
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|
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opacity = typeof opacity !== 'undefined' ? opacity / 100 : 1; |
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|
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// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") |
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const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; |
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color = color.replace( shorthandRegex, function ( m, r, g, b ) { |
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return r + r + g + g + b + b; |
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} ); |
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|
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec( color ); |
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|
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const parsed_color = result |
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? { |
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r: parseInt( result[ 1 ], 16 ), |
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g: parseInt( result[ 2 ], 16 ), |
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b: parseInt( result[ 3 ], 16 ), |
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} |
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: null; |
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|
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if ( parsed_color ) { |
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return ( |
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'rgba(' + |
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parsed_color.r + |
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',' + |
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parsed_color.g + |
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',' + |
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parsed_color.b + |
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',' + |
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opacity + |
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')' |
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); |
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} |
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|
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return ''; |
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} |
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|
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export default hexToRgba; |
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|
