als-statistics/lib/utils/counter.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 class Counter {
   constructor(name) { this._name = name; this.count = 0 }
   getName(name) { 
      if(name) return name
      this.count++
      return `${this._name}${this.count}` 
   }
}