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File Content: metadataRequest.ts

export function createMetadataRequest(
  labelsAndValues: Record<string, string[]>,
  series?: Record<string, Array<Record<string, string>>>
) {
  // added % to allow urlencoded labelKeys. Note, that this is not confirm with Loki, as loki does not allow specialcharacters in labelKeys, but needed for tests.
  const lokiLabelsAndValuesEndpointRegex = /^label\/([%\w]*)\/values/;
  const lokiSeriesEndpointRegex = /^series/;
  const lokiLabelsEndpoint = 'labels';
  const labels = Object.keys(labelsAndValues);

return async function metadataRequestMock(url: string, params?: Record<string, string | number>) {
    if (url === lokiLabelsEndpoint) {
      return labels;
    } else {
      const labelsMatch = url.match(lokiLabelsAndValuesEndpointRegex);
      const seriesMatch = url.match(lokiSeriesEndpointRegex);
      if (labelsMatch) {
        return labelsAndValues[labelsMatch[1]] || [];
      } else if (seriesMatch && series && params) {
        return series[params['match[]']] || [];
      } else {
        throw new Error(`Unexpected url error, ${url}`);
      }
    }
  };
}

Name	Size	Permission
datasource.ts	1401 bytes	0644
frames.ts	4219 bytes	0644
metadataRequest.ts	1089 bytes	0644