shootismoke/common

import { OpenAQResults } from '../../types';
import { providerError } from '../../util';
import { OpenAQMeasurements } from './types';

/**
 * Normalize aqicn byGps data. Throws an error if the data cannot be normalized.
 *
 * @param data - The data to normalize
 */
export function normalize(data: OpenAQMeasurements): OpenAQResults {
    const { results } = data;

    if (!results.length) {
        throw providerError('openaq', 'Cannot normalize, got 0 result');
    }

    return results.map((result) => ({
        ...result,
        location: `openaq|${result.location}`,
    })) as OpenAQResults;
}