@grafana/alerting/dist/cjs/grafana/rules/utils/labels.cjs

Grafana Alerting Library – Build vertical integrations on top of the industry-leading alerting solution

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

"use strict";
const GRAFANA_ORIGIN_LABEL = "__grafana_origin";
function isPrivateLabelKey(labelKey) {
  return labelKey.startsWith("__") && labelKey.endsWith("__") || labelKey === GRAFANA_ORIGIN_LABEL;
}
const isPrivateLabel = ([key, _]) => isPrivateLabelKey(key);
function findCommonLabels(labelSets) {
  if (!Array.isArray(labelSets) || labelSets.length === 0) {
    return {};
  }
  return labelSets.reduce(
    (acc, labels) => {
      if (!labels) {
        throw new Error("Need parsed labels to find common labels.");
      }
      Object.keys(labels).forEach((key) => {
        if (acc[key] === void 0 || acc[key] !== labels[key]) {
          delete acc[key];
        }
      });
      Object.keys(acc).forEach((key) => {
        if (labels[key] === void 0) {
          delete acc[key];
        }
      });
      return acc;
    },
    { ...labelSets[0] }
  );
}

exports.findCommonLabels = findCommonLabels;
exports.isPrivateLabel = isPrivateLabel;
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