index.js

const yargs = require("yargs");
const { colours } = require("./utils/colours");
const helloFresh = require("./services/hello-fresh");

// Parse command-line configurations
const argv = yargs
  .strict(true)
  .usage("Usage: $0 <command> [options]")
  .command("HelloFresh", "Perform crawling on HelloFresh", {
    locale: {
      alias: "l",
      describe: "Locale to perform crawling on.",
      choices: ["US", "GB", "DE", "FR"],
      default: "US",
      nargs: 1,
    },
    recipeCardSaveDirectory: {
      alias: "s",
      describe: "Directory where to save PDF recipe cards.",
      default: "./recipe-card-pdfs",
      nargs: 1,
    },
  })
  .demandCommand(1, 1, "Please specify which service should be used")
  .example(
    "$0 HelloFresh -l GB -s ./downloads",
    "Crawl on HelloFresh and use the GB locale"
  ).argv;

console.log(
  colours.fg.green,
  `Performing crawl on ${argv._} using ${argv.locale} locale`,
  colours.reset
);

if (argv._[0] === "HelloFresh") {
  helloFresh
    .crawl(argv)
    .catch(console.error)
    .finally(() => {
      console.log("The crawling process has completed. Press enter to exit...");
      process.stdin.resume();
      process.stdin.on("data", process.exit.bind(process, 0));
    });
}