pos_variant limit problem

gistfile1.py

    get_product_by_category: function(category_id){
        var product_ids  = this.product_by_category_id[category_id];
        var list = [];
        var tmpl_list = [];
        if (product_ids) {
            for (var i = 0, len = Math.min(product_ids.length, this.limit); i < len; i++) {
                var product = this.product_by_id[product_ids[i]];
                if (!tmpl_list.includes(product.product_tmpl_id)) {
                    list.push(product);
                    tmpl_list.push(product.product_tmpl_id);
                } else {
                    len++
                    len = Math.min(product_ids.length, len);
                }
            }
        }
        return list;
    },
    search_product_in_category: function(category_id, query){
        try {
            query = query.replace(/[\[\]\(\)\+\*\?\.\-\!\&\^\$\|\~\_\{\}\:\,\\\/]/g,'.');
            query = query.replace(/ /g,'.+');
            var re = RegExp("([0-9]+):.*?"+query,"gi");
        }catch(e){
            return [];
        }
        var results = [];
        var tmpl_list = [];
        for(var i = 0, len = this.limit; i < len; i++){
            var r = re.exec(this.category_search_string[category_id]);
            if(r){
                var id = Number(r[1]);
                var product = this.get_product_by_id(id);
                if (!tmpl_list.includes(product.product_tmpl_id)) {
                    results.push(product);
                    tmpl_list.push(product.product_tmpl_id);
                } else {
                    len++;
                }
            }else{
                break;
            }
        }
        return results;
    },