karma/ui/src/Components/SilenceModal/Matchers.js

import { FormatQuery, QueryOperators, StaticLabels } from "Common/Query";

const MatcherToFilter = matcher => {
  const operator = matcher.isRegex
    ? QueryOperators.Regex
    : QueryOperators.Equal;
  const value =
    matcher.values.length > 1
      ? `(${matcher.values.map(v => v.value).join("|")})`
      : matcher.values[0].value;
  return FormatQuery(
    matcher.name,
    operator,
    matcher.isRegex ? `^${value}$` : value
  );
};

const AlertManagersToFilter = alertmanagers => {
  let amNames = [].concat(...alertmanagers.map(am => am.value));
  return FormatQuery(
    StaticLabels.AlertManager,
    QueryOperators.Regex,
    `^(${amNames.join("|")})$`
  );
};

export { MatcherToFilter, AlertManagersToFilter };