A script to fetch Purchasing Power Parity (PPP) data from the World Bank API.

countryPPPData.js

/*
v1.0.x
NPM Package: npm install countrypppdata
*/

const axios = require("axios");
const { getCodes, getCodeList } = require("country-list");

async function fetchCountryData() {
  let countries = getCodes();
  const countriesList = getCodeList();
  
  let countryName, pf;
  const result = [];
  const miss = [];
  
  for (country of countries) {
    try {
      let pfRes = await axios.get(
        "https://api.worldbank.org/v2/country/" +
          country +
          "/indicator/pa.nus.pppc.rf?format=json"
      );
      let pfDataset = pfRes.data[1];
      for (pfData of pfDataset) {
        countryName = pfData["country"]["value"];
        pf = pfData["value"];
        if (pf != null) {
          break;
        }
      }
      pf = pf || 0.7;
      result.push({ country, countryName, pf });
    } catch (err) {
      miss.push(country);
    }
  }

  for (code of miss) {
    countryName = countriesList[code.toLowerCase()];
    pf = 0.7;
    result.push({ country, countryName, pf });
  }
  return result;
}

module.exports = fetchCountryData;

Thanks a lot for sharing!