antd-theme-generator/node_modules/less/test/less-bom/plugin/plugin-collection.js

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

var collection = [];

functions.add('store', function(val) {
    collection.push(val);  // imma store this for later
    return false;
});
functions.add('list', function() {
    return less.value(collection);
});