countyRegisteredVotersByParty.ts

Filename	Percent	Threshold	Total	Covered	Uncovered
src/events/parsers/county-by-state/countyRegisteredVotersByParty.ts	100.00%	80%	59	59	0

import type { Document } from './types.js';
import type { NewCountyRegisteredVotersByParty } from 'db/schema/countyRegisteredVotersByParty.js';
import { parseKey } from 'utils/documentKey.js';

/**
 * Parses documents we get from querying the `events/county-by-state` endpoint. It then transforms the data to fit the structure of the CountyRegisteredVotersByParty model and returns an array of objects that can be upserted into the model.
 *
 * The returned array contains data for the number of registered voters by party in a county. This data is optional and may not be provided by the ElectionTonight API.
 */
export const parseCountyRegisteredVotersByParties = (documents: Document[]) => {
  const instances: NewCountyRegisteredVotersByParty[] = [];
  for (const docPartial of documents) {
    const doc: typeof docPartial & { counties?: typeof docPartial.county } =
      docPartial;
    const { st } = doc.key;
    const { state } = parseKey(doc.key);

    /**
     * 🚨 Inconsistent with API schema
     * doc.counties: Key name in 2020 general election docs
     * doc.county: Key name in API schema
     */
    const countyArr = doc.counties ? doc.counties : doc.county;

    for (const c of countyArr) {
      const { cnty, partyReg } = c;
      const county = `${st}_${cnty}`;

      // Check if partyReg exists
      if (partyReg) {
        for (const p of partyReg) {
          const { pId: party, regVoters: registeredVoters } = p;
          const instance: NewCountyRegisteredVotersByParty = {
            uid: `${county}_${party}`,
            state,
            county,
            party,
            registeredVoters,
          };
          instances.push(instance);
        }
      }
    }
  }
  return instances;
};

[]

TypeScript Coverage Report generated by type-coverage and typescript-coverage-report at Thu, 04 Apr 2024 19:50:44 GMT

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