als-statistics/lib/utils/filter-keys.js

Modular JS statistics toolkit for Node.js and the browser: descriptive stats, correlations (Pearson/Spearman/Kendall), t-tests & ANOVA (Student/Welch), reliability (Cronbach’s alpha), regression (linear/logistic), clustering (DBSCAN/HDBSCAN), and table/co

export function filterKeys(keys,filters) {
   if(filters.length === 0) return keys
   let include = new Set(), exclude = new Set(), regex = [],filtered = keys;
   filters.forEach(filter => {
      if (typeof filter === 'number') include.add(filter)
      else if (typeof filter === "string") {
         if (filter.startsWith("-")) exclude.add(filter.slice(1));
         else include.add(filter);
      } else if (filter instanceof RegExp) regex.push(filter);
   });

   if (include.size > 0) filtered = Array.from(include); // Если есть явные имена, берём только их
   else if (regex.length > 0) filtered = keys.filter(name => regex.some(pattern => pattern.test(name)) ); // Если есть regex, фильтруем по ним
   if (exclude.size > 0) filtered = filtered.filter(name => !exclude.has(name)); // Применяем исключения
   return filtered;
}