weather-underground-by-zip/build/index.js

simple weather underground call using zipcode

"use strict";

require("core-js/modules/es.array.concat");

require("core-js/modules/es.array.join");

require("core-js/modules/es.array.slice");

require("core-js/modules/es.parse-float");

require("core-js/modules/es.parse-int");

require("core-js/modules/es.regexp.exec");

require("core-js/modules/es.string.match");

require("core-js/modules/es.string.split");

var superagent = require('superagent');

module.exports = function WeatherUnderground() {
  var _this = this;

  if (!(this instanceof WeatherUnderground)) {
    return new WeatherUnderground();
  }

  this.grabTemperature = function (body) {
    var tempRegex = /<\s*div[^>]*class="BNeawe iBp4i AP7Wnd">([^<].*?)<\s*\/\s*div>/;
    var locationRegex = /<\s*span[^>]*class="BNeawe tAd8D AP7Wnd">(.*?)<\s*\/\s*span>/;
    var infoRegex = /<\s*div[^>]*class="BNeawe tAd8D AP7Wnd">([^<][\S\s]*?)<\s*\/\s*div>/;
    var temperaturePieces = body.match(tempRegex); // match looks like this "80�F"

    if (temperaturePieces !== null) {
      // checking for errors if the div wasn't matched
      temperaturePieces = temperaturePieces[1].split('');
    } else {
      return 'There has been an error processing this zipcode (div was not matched in body)';
    }

    var temperatureUnit = temperaturePieces.pop();
    temperaturePieces.pop(); // remove the degrees symbol

    var temperature = parseFloat(temperaturePieces.join(''));
    var locationPieces = body.match(locationRegex)[1].split(/[\s]/);
    locationPieces.pop(); // get rid of the zipcode

    var location = locationPieces.join(' ');
    var description = body.match(infoRegex)[1].split(/[\s]/); // has a random newline
    // example: description = [ 'Tuesday', '12:42', 'PM', 'Sunny' ]

    description = description.slice(3, description.length).join(" ");

    if (temperature && location && description) {
      return {
        location: location,
        temperature: temperature,
        temperatureUnit: temperatureUnit,
        description: description
      };
    }

    return "There has been an error processing this zipcode \n    (could not find location, temperature or description)";
  };

  this.request = function (zipcode, callback) {
    if (!zipcode || parseInt(zipcode, 10) > 99999 || parseInt(zipcode, 10) < 0) {
      callback('Must enter a valid zipcode');
      return;
    }

    superagent.get("https://www.google.com/search?q=weather+".concat(zipcode, "&oq=weather+").concat(zipcode)).set('Accept', 'application/json').end(function (err, res) {
      if (err) {
        callback(err);
      } else {
        var weatherObject = _this.grabTemperature(res.res.text);

        if (typeof weatherObject === 'string') {
          callback(weatherObject); // return error
        } else {
          callback(null, _this.grabTemperature(res.res.text));
        }
      }
    });
  };
};