14 lines
868 B
JavaScript
14 lines
868 B
JavaScript
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module.exports = function(color, step){
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var colorToInt = parseInt(color.substr(1), 16), // Convert HEX color to integer
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nstep = parseInt(step); // Convert step to integer
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if(!isNaN(colorToInt) && !isNaN(nstep)){ // Make sure that color has been converted to integer
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colorToInt += nstep; // Increment integer with step
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var ncolor = colorToInt.toString(16); // Convert back integer to HEX
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ncolor = '#' + (new Array(7-ncolor.length).join(0)) + ncolor; // Left pad "0" to make HEX look like a color
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if(/^#[0-9a-f]{6}$/i.test(ncolor)){ // Make sure that HEX is a valid color
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return ncolor;
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}
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}
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return color;
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};
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