javascript - Add callback function to library -

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i using color.js, , i'm trying add callback function setcolor. added following code before line #177:

if (_instance.options.setcolorcallback) {     _instance.options.setcolorcallback(convertcolors(type, save ? colors : undefined)); }

that works fine , well, problem when try using setcolor using lab color format. when that, callback function doesn't execute. here's how setcolor using lab color space: (source)

if (type === 'lab') {     var factor = (e.clientx - startpoint.left) / currenttargetwidth;     factor = factor > 1 ? 1 : factor < 0 ? 0 : factor;     mycolor.colors.lab[mode] = (mode === 'l') ? factor * 100 : (factor * 255) - 128;     mycolor.setcolor(null, 'lab'); }

how can add callback function setcolor?

although it's bad practice modify libraries that, if have decided instead @ line#177 @ line#204, , replace

function convertcolors(type, colorobj) {

with

function convertcolors(type, colorobj) {     var convertresult = __convertcolors(type, colorobj);     if (_instance.options.aftercolorsconvert) {        _instance.options.aftercolorsconvert(convertresult);    }     return convertresult; }  function __convertcolors(type, colorobj) {

this because setcolor wrapped @ line#76 , in both code definitions of setcolor, convertcolors used, better extend convertcolors functionality.


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