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/**
* jQuery Color Animations
*
* @author John Resig, 2007
* @author Krinkle, 2011
* Released under the MIT and GPL licenses.
*
* - 2011-01-05: Forked for MediaWiki. See also jQuery.colorUtil plugin
*/
( function ( $ ) {
function getColor( elem, attr ) {
var color;
do {
color = $.css( elem, attr );
// Keep going until we find an element that has color, or we hit the body
if ( color !== '' && color !== 'transparent' || elem.nodeName.toLowerCase() === 'body' ) {
break;
}
attr = 'backgroundColor';
// eslint-disable-next-line no-cond-assign
} while ( elem = elem.parentNode );
return $.colorUtil.getRGB( color );
}
// We override the animation for all of these color styles
[
'backgroundColor',
'borderBottomColor',
'borderLeftColor',
'borderRightColor',
'borderTopColor',
'color',
'outlineColor'
].forEach( function ( attr ) {
$.fx.step[ attr ] = function ( fx ) {
if ( !fx.colorInit ) {
fx.start = getColor( fx.elem, attr );
fx.end = $.colorUtil.getRGB( fx.end );
fx.colorInit = true;
}
fx.elem.style[ attr ] = 'rgb(' + [
Math.max( Math.min( parseInt( ( fx.pos * ( fx.end[ 0 ] - fx.start[ 0 ] ) ) + fx.start[ 0 ], 10 ), 255 ), 0 ),
Math.max( Math.min( parseInt( ( fx.pos * ( fx.end[ 1 ] - fx.start[ 1 ] ) ) + fx.start[ 1 ], 10 ), 255 ), 0 ),
Math.max( Math.min( parseInt( ( fx.pos * ( fx.end[ 2 ] - fx.start[ 2 ] ) ) + fx.start[ 2 ], 10 ), 255 ), 0 )
].join( ',' ) + ')';
};
} );
}( jQuery ) );
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