app.js

#!/usr/bin/env node
const chalk = require("chalk");
const ora = require("ora");
const pck = require("./package.json");
const geocode = require("./utils/geocode");
const forecast = require("./utils/forecast");
const autolocate = require("./utils/autolocate");
const menu = require('./utils/menu');
const emojis = require('./utils/emojis.json');


const spinner = ora();
const args = process.argv;
let units;
let location;

(function () {
  if (!process.env.WEATHERSTACK || !process.env.MAPBOX) {
    spinner.fail("Failed to get API keys");
    return;
  }
  if (args[2] === "-h" || args[2] === "--help") {
    menu();
    return;
  }
  if (args[2] === "-v" || args[2] === "--version") {
    spinner.succeed(pck.version);
    return;
  }

  for (let i = 2; i < args.length; i++) {
    if (args[i].startsWith("--u")) {
      parseunit = args[i].split("=")[1];
      if (['m', 's', 'f'].includes(parseunit)) {
        units = parseunit;
      }
    }
    else if (!location) {
      location = args[i];
    }
  }

  if (!location) {
    autolocate((err, { latitude, longitude, location } = {}) => {
      if (err) {
        return spinner.fail(err);
      }
      forecast(
        latitude,
        longitude,
        units,
        (err, { description, temp, feelsLike, tempScale, windSpeed, windDir, windScale, precipitation, precipitationUnits, humidity, cloudCover } = {}) => {
          if (err) {
            return spinner.fail(err);
          }
          spinner.succeed(chalk.underline(location));
          console.log(
            emojis.hasOwnProperty(description.toLowerCase().replace(' ', '_')) ? emojis[`${description.toLowerCase().replace(' ', '_')}`] : emojis.question,
            chalk.cyanBright(
              `${description}. It is currently ${temp}${tempScale}, it feels like ${feelsLike}${tempScale}.\nWind speed of ${windSpeed} ${windScale} with direction ${windDir}. \nHumidity of ${humidity}% with a Cloud Coverage of ${cloudCover}%.\n${precipitation} ${precipitationUnits} of precipitation.`
            )
          );
        }
      );
    });
  } else {
    geocode(location, (err, { latitude, longitude, location } = {}) => {
      if (err) {
        return spinner.fail(err);
      }
      forecast(
        latitude,
        longitude,
        units,
        (err, { description, temp, feelsLike, tempScale, windSpeed, windDir, windScale, precipitation, precipitationUnits, humidity, cloudCover, emoji } = {}) => {
          if (err) {
            return spinner.fail(err);
          }
          spinner.succeed(chalk.underline(location));
          console.log(
            emojis.hasOwnProperty(description.toLowerCase().replace(' ', '_')) ? emojis[`${description.toLowerCase().replace(' ', '_')}`] : emojis.question,
            chalk.cyanBright(
              `${description}. It is currently ${temp}${tempScale}, it feels like ${feelsLike}${tempScale}.\nWind speed of ${windSpeed} ${windScale} with direction ${windDir}. \nHumidity of ${humidity}% with a Cloud Coverage of ${cloudCover}%.\n${precipitation} ${precipitationUnits} of precipitation.`
            )
          );
        }
      );
    });
  }
})();