Function key

src/compiled/metrics.ts:26–29

(name: string, labels: Record<string, string>)

const metrics: Map<string, Metric> = new Map();

function key(name: string, labels: Record<string, string>): string {
  const parts = Object.keys(labels).sort().map(k => `${k}="${labels[k]}"`);
  return parts.length > 0 ? `${name}{${parts.join(",")}}` : name;
}

export function counter(name: string, labels: Record<string, string> = {}): void {
  const k = key(name, labels);