unicode-countries/index.js

Creates a json file with countries.

#!/usr/bin/env node
"use strict";
const argv = require("minimist")(process.argv.slice(2));
const mapper = require("./lib/mapper");
const service = require("./lib/service");
const fm = require("./lib/file-manager");

if (argv.h || argv.help) {
  console.log("Usage: ./index.js [OPTIONS]");
  console.log("       ./index.js -l en,de");
  console.log("       ./index.js --languages en --output ./result.json");
  console.log(" ");
  console.log("Options:");
  console.log("  -L, --languages          List of languages");
  console.log("  -O, --output             Output file");
  console.log(" ");
  console.log("Commands:");
  console.log("  -h, --help               Show this help text");
  console.log("  -v, --verbose            Explain what is being done");

  process.exit(0);
}

if (typeof argv.L === "undefined" && typeof argv.languages === "undefined") {
  console.log("List of languages are missing, see ./index -h for more information.");
  process.exit(1);
}

let output = argv.O ? argv.O : argv.output;

if (typeof output === "undefined") {
  output = "./result.json";
}

const langOption = argv.L ? argv.L : argv.languages;
const languages = langOption.split(",");
console.log("Getting information for: " + langOption);

const arr = [
  service.getPostalCodes(),
  service.getSubDivisions()
];

for (let i = 0; i < languages.length; i++) {
  const language = languages[i];
  arr.push(service.getData(language));
}

Promise.all(arr)
  .then((responses) => {
    const postalCodes = responses.shift();
    const subdivisions = responses.shift();

    return mapper.mapCountries(languages, responses, postalCodes, subdivisions);
  })
  .then((result) => {
    const text = JSON.stringify(result);
    return fm.writeFile(output, text);
  })
  .then(() => {
    process.exit(0);
  })
  .catch((err) => {
    console.log(err);
    process.exit(1);
  });