LICENSE

@@ -1,396 +0,0 @@
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README.md

@@ -1,61 +0,0 @@
-# Coronamap
-
-Coronamap is an interactive thematic map that animates the spread of the coronavirus.
-
-Check out the [deployment](../../deployments "Deployment").
-
-<p align="center">
-  <img src="docs/assets/img/desktop.png" width=55% alt="Coronmap on laptop">
-  <img src="docs/assets/img/mobile.png" width=20% alt="Coronamap on phone"/>
-</p>
-
-## Preview
-
-<p align="center">
-  <img src="docs/assets/img/animation.gif" width="75%" alt="Coronamap preview"/>
-</p>
-Disease data: <a href="https://github.com/CSSEGISandData/COVID-19">Johns Hopkins CSSE</a> (https://github.com/CSSEGISandData/COVID-19)
-
-### Date Slider
-
-<img src="docs/assets/img/timecontrol.png" height="32px" alt="The date slider consisting of several form controls, as follows">
-
-- <img src="docs/assets/img/timecontrol-play.png" height="28px" alt="Right-pointing triangle button">: Play
-- <img src="docs/assets/img/timecontrol-reverse.png" height="28px" alt="Left-pointing triangle button">: Reverse
-- <img src="docs/assets/img/timecontrol-forward.png" height="28px" alt="Right-pointing double triangle button">: Move to the next day
-- <img src="docs/assets/img/timecontrol-backward.png" height="28px" alt="Left-pointing double triangle button">: Move to the previous day
-- <img src="docs/assets/img/timecontrol-loop.png" height="28px" alt="Button with circular arrow pointing in a clockwise direction">: Loop
-- <img src="docs/assets/img/timecontrol-dateslider.png" height="28px" alt="Range input type positioned to the middle">: Date progress bar
-- <img src="docs/assets/img/timecontrol-fps.png" height="28px" alt="Range input type labeled with fps value and a clock icon to the left">: Playback speed
-
-### Colored Geographical Areas
-
-<img src="docs/assets/img/choropleth-legend.png" alt="A yellow to red gradient color ramp legend labeled with the range of infected cases" height="32px">
-
-The yellow-orange-red sequential color scheme shows the *number of infected cases*.
-
-### Circle Markers
-
-<img src="docs/assets/img/circlemarker.png" alt="" width=10> <img src="docs/assets/img/circlemarker.png" alt="" width=15> <img src="docs/assets/img/circlemarker.png" alt="" width=20> <img src="docs/assets/img/circlemarker.png" alt="" width=25> <img src="docs/assets/img/circlemarker.png" alt="" width=30>
-
-The size of a circle marker scales to the *number of deaths*.
-
-## Getting Started
-
-### Prerequisites
-
-* Node.js
-```bash
-$ yum install nodejs
-$ yum install npm
-```
-
-* Install npm packages
-```bash
-$ npm install
-```
-
-### Development
-* Watch for updates to code and compile automatically: `npm run develop`
-* Build the optimized production: `npm run build`
-* Run all unit tests: `npm run test`

package.json

@@ -1,17 +0,0 @@
-{
-  "devDependencies": {
-    "ts-loader": "^6.2.1",
-    "typescript": "^3.8.3",
-    "webpack": "^4.42.0",
-    "webpack-cli": "^3.3.11"
-  },
-  "dependencies": {
-    "@mapbox/geojson-merge": "^1.1.1",
-    "@types/node": "^13.11.0"
-  },
-  "scripts": {
-    "test": "echo 'test not implemented'",
-    "develop": "webpack --mode development --watch",
-    "build": "webpack --mode production"
-  }
-}

src/AbstractReader.ts

@@ -1,200 +0,0 @@
-"use strict";
-
-import { TimeDimension } from "./TimeDimension";
-var geojsonMerge = require('@mapbox/geojson-merge');
-
-export abstract class AbstractReader {
-  public static readonly BASE_URL: string = "https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/";
-  private confirmedGeoJson: object;
-  private deathsGeoJson: object;
-  private recoveredGeoJson: object;
-
-  public constructor() { }
-
-  public abstract init(): void;
-
-  public abstract loadGeoJsonFile(): object;
-
-  // Retrieve csv data from url
-  public readCsv(scope: string): string {
-    var response;
-    $.ajax({
-      url: scope,
-      async: false,
-      success: function (data) {
-        response = data;
-      },
-      dataType: 'text'
-    });
-    return response;
-  };
-
-  public csvToObject(csv: string): object {
-    return $.csv.toObjects(csv);
-  }
-
-  public replaceColumnKeys(csv: any, dict: object): string {
-    var header = csv.split("\n")[0];
-    for (let key of Object.keys(dict)) {
-      header = header.replace(key, dict[key]);
-    }
-    return header + '\r\n' + csv.split("\n").slice(1).join("\n");
-  }
-
-  // Find different data between geojson and csv, and equalize different region names between geojson and csv data
-  public replaceColumnValues(csv: any, dict: object, colName: string): object {
-    var regex = new RegExp('^' + Object.keys(dict).map(_ => _.replace(/[+?^*${}()|[\]\\]/ig, '\\$&')).join('$|^') + '$', 'gi');
-    
-    $(csv).each(function(index, value) {
-      value[colName] = value[colName].replace(regex, function(match) { return dict[match]; });
-    });
-    
-    return csv;
-  }
-
-  // Return property values in csv, not in geojson, or empty object if there is no different values between geojson and csv
-  public comparePropertyValues(csv: any, geoJson: object, colName: string, propertyKey: string): object {
-    return $(csv.map(_ => _[colName])).not(geoJson).get().filter(function(v, i, _) { return _.indexOf(v) >= i; });
-  }
-
-  public setPropertyValues(csv: any, geoJson: any, colName: string, geoJsonKey: string): object {
-    for (let value of geoJson.features) {
-      var id = 0;
-      for (let csvIdx in csv) {
-        // If geojson properties name value matches to csv column value
-        if (value.properties[geoJsonKey] == csv[csvIdx][colName]) {
-          // Set properties in geojson with new values
-          value.properties[id] = csv[csvIdx];
-          id++;
-        }
-      }
-    };
-    this.pushTotalNumberOfCaseToProperties(geoJson);
-    return geoJson;
-  }
-
-  public static getProperty(features: any, propertyNames: string[]): any[] {
-    var values = [];
-    for (let i in Object.values(features)) {
-      if (features[i].properties['Country/Region']) {
-        for (let pname of propertyNames) {
-          if (!values[pname]) {
-            values[pname] = [];
-          }
-          values[pname].push(features[i].properties[pname]);
-        }
-      }
-    }
-    return values;
-  }
-
-  public static mergeGeoJsons(geoJson: object, otherGeoJson: object): object {
-    var mergedGeoJson = geojsonMerge.merge([
-      geoJson,
-      otherGeoJson
-    ]);
-    return mergedGeoJson;
-  }
-
-  public setConfirmedGeoJson(geoJson: object): void {
-    this.confirmedGeoJson = geoJson;
-  }
-
-  public getConfirmedGeoJson(): object {
-    return this.confirmedGeoJson;
-  }
-
-  public setDeathsGeoJson(geoJson: object): void {
-    this.deathsGeoJson = geoJson;
-  }
-
-  public getDeathsGeoJson(): object {
-    return this.deathsGeoJson;
-  }
-
-  public setRecoveredGeoJson(geoJson: object): void {
-    this.recoveredGeoJson = geoJson;
-  }
-
-  public getRecoveredGeoJson(): object {
-    return this.recoveredGeoJson;
-  }
-
-  public replaceText(text: string, from: string, to: string, repeat: boolean = false): string {
-    return text.replace(repeat ? '\/' + from + '\/g' : from, to); 
-  }
-
-  public getNumberOfCase(features: any, time: string, latlong: [number, number]): number {
-    for (let featIdx = 0, len = Object.keys(features).length; featIdx < len; featIdx++) {
-      var prop = features[featIdx]['properties'];
-
-      if (prop.Lat == latlong[0] && prop.Long == latlong[1]) {
-        return prop[time];
-      }
-      
-      for (let propIdx = 0, len = Object.keys(prop).length; propIdx < len; propIdx++) {
-        if (prop[propIdx]) {
-          if (prop[propIdx].Lat == latlong[0] && prop[propIdx].Long == latlong[1]) {
-            return prop[propIdx][time];
-          }
-        }
-      }
-    }
-    return;
-  }
-
-  public subtractRecoveredFromConfirmed(confirmedGeoJson: any, recoveredGeoJson: any): object {
-    var clonedConfirmedGeoJson = confirmedGeoJson;
-    // Iterate each country in confirmed geojson
-    for (let confirmedCountry of Object.values(clonedConfirmedGeoJson)) {
-      // Iterate each country in recovered geojson
-      for (let recoveredCountry of Object.values(recoveredGeoJson)) {
-        // For each key from each country
-        for (let key of Object.keys(confirmedCountry)) {
-          // Find the exact same country and state names in two geojsons
-          if (confirmedCountry['Province/State'] === recoveredCountry['Province/State'] && confirmedCountry['Country/Region'] === recoveredCountry['Country/Region']) {
-            // If key is date
-            if (moment(key).isValid()) {
-              // Subtract number of recovered cases from number of confirmed cases on the date
-              confirmedCountry[key] -= recoveredCountry[key];
-            }
-          }
-        }
-      }
-    }
-    return clonedConfirmedGeoJson;
-  }
-
-  private pushTotalNumberOfCaseToProperties(geoJson: any): void {
-    // Iterate geojson
-    for (let featIdx = 0, len = Object.keys(geoJson.features).length; featIdx < len; featIdx++) {
-      var totalCaseByDate = {};
-      // Iterate properties
-      for (let keyIdx = 0, len = Object.keys(geoJson.features[featIdx].properties).length; keyIdx < len; keyIdx++) {
-        var key = Object.keys(geoJson.features[featIdx].properties)[keyIdx];
-        // Cities and counties are object
-        if(geoJson.features[featIdx].properties[key] && typeof geoJson.features[featIdx].properties[key] === 'object') {
-          // Iterate keys in each object
-          for (let objectKey of Object.keys(geoJson.features[featIdx].properties[key])) {
-            // If key is date
-            if (moment(objectKey).isValid()) {
-              var date = moment(objectKey).format(TimeDimension.DATE_FORMAT);
-              // Stack number of cases in this city or county
-              if (!totalCaseByDate[date]) {
-                totalCaseByDate[date] = parseInt(geoJson.features[featIdx].properties[key][objectKey]);
-              } else if (totalCaseByDate[date] > 0) {
-                totalCaseByDate[date] += parseInt(geoJson.features[featIdx].properties[key][objectKey]);
-              }
-            } else if (objectKey === 'Country/Region') {
-              totalCaseByDate[objectKey] = geoJson.features[featIdx].properties[key][objectKey];
-            }
-          }
-        }
-      }
-      // Add total number of cases in scope of properties
-      for (let country in totalCaseByDate) {
-        geoJson.features[featIdx].properties[country] = totalCaseByDate[country];
-      }
-    }
-  }
-}

src/Choropleth.ts

@@ -1,174 +0,0 @@
-"use strict";
-
-import { Map } from "./Map";
-import { ITemporal } from "./ITemporal";
-
-export enum ChoroplethMode {
-  Quantile = "q",
-  Equidistant = "e",
-  Kmeans = "k"
-}
-
-export class Choropleth implements ITemporal {
-  public static readonly DEFAULT_SCALE: string[] = ['#fff', '#ffefac', '#fbc750', '#f6b340', '#f09e33', '#e98828', '#e1731e', '#d95b17', '#d14211', '#c81e0d'];
-  public static readonly DEFAULT_BORDER_COLOR: string = '#666';
-  public static readonly DEFAULT_FILL_OPACITY: number = 0.6;
-  public static readonly HIGHLIGHT_FILL_OPACITY: number = 0.65;
-  public static readonly DEFAULT_MODE: ChoroplethMode = ChoroplethMode.Quantile;
-  public static readonly DEFAULT_WEIGHT: number = 1;
-  public static readonly HIGHLIGHT_WEIGHT: number = 1.75;
-  public static readonly LEGEND_CONTROL_POSITION: string = 'bottomleft';
-  public static readonly LEGEND_ELEMENT_CLASS: string = 'choropleth-legend';
-  public static readonly LEGEND_COLOR_WIDTHS: number[] = [1, 1, 1.5, 1.5, 1.5, 2, 2.5, 3, 5];
-  private scale: string[];
-  private borderColor: string;
-  private fillOpacity: number;
-  private mode: ChoroplethMode;
-
-  public constructor(scale?: string[], borderColor?: string, fillOpacity?: number, mode?: ChoroplethMode) {
-    this.scale = !scale || scale.length < 1 ? Choropleth.DEFAULT_SCALE : scale;
-    this.borderColor = !borderColor ? Choropleth.DEFAULT_BORDER_COLOR : borderColor;
-    this.fillOpacity = !fillOpacity ? Choropleth.DEFAULT_FILL_OPACITY : fillOpacity;
-    this.mode = !mode ? Choropleth.DEFAULT_MODE : mode;
-  }
-
-  public update(geoJson: object): any {
-    var choroplethLayer = L.choropleth(geoJson, {
-      // Set properties to use
-      valueProperty: Map.getInstance().getTimeDimension().getCurrentTime(),
-      scale: this.scale,
-      mode: this.mode,
-      step: this.scale.length,
-      style: {
-        color: this.borderColor,
-        weight: 1,
-        fillOpacity: this.fillOpacity
-      },
-      onEachFeature: onEachFeature
-    });
-
-    this.createLegend(choroplethLayer);
-
-    return choroplethLayer;
-  }
-
-  public createLegend(choroplethLayer: any): void {
-    // Adapted from Tim Wisniewski's example: https://github.com/timwis/leaflet-choropleth/blob/gh-pages/examples/legend/demo.js retrieved in March 2020.
-    var legend = L.control({ position: Choropleth.LEGEND_CONTROL_POSITION });
-    legend.onAdd = function() {
-      var div: Element;
-      if ($('div.' + Choropleth.LEGEND_ELEMENT_CLASS).length > 0) {
-        div = document.querySelectorAll('div.' + Choropleth.LEGEND_ELEMENT_CLASS)[0];
-      } else {
-        div = L.DomUtil.create('div', Choropleth.LEGEND_ELEMENT_CLASS);
-      }
-
-      var limits = Choropleth.pushAverageOfEveryElement(choroplethLayer.options.limits);
-      limits[0] = 0;
-      choroplethLayer.options.limits = limits;
-
-      var colors = Choropleth.DEFAULT_SCALE;
-      colors = colors.slice(1, colors.length);
-      choroplethLayer.options.colors = colors;
-      
-      var labels = [];
-
-      // Add min and max labels
-      div.innerHTML = '<div class="min"><span>Cases:</span> ' + limits[0] + '</div><div class="max">' + limits[limits.length - 1] + '</div></div>';
-      // Style
-      limits.forEach(function (limit, index) {
-        labels.push('<li style="background-color:' + colors[index]
-          + ';width:' + Choropleth.LEGEND_COLOR_WIDTHS[index] + 'vw;"></li>');
-      });
-      div.innerHTML += '<ul>' + labels.join('') + '</ul>';
-      
-      return div;
-    }
-    legend.addTo(Map.getInstance().getMap());
-  }
-
-  public setScale(scale: string[]): void {
-    this.scale = scale;
-  }
-
-  public getScale(): string[] {
-    return this.scale;
-  }
-  
-  public setBorderColor(borderColor: string): void {
-    this.borderColor = borderColor;
-  }
-
-  public getBorderColor(): string {
-    return this.borderColor;
-  }
-  
-  public setFillOpacity(fillOpacity: number): void {
-    this.fillOpacity = fillOpacity;
-  }
-
-  public getFillOpacity(): number {
-    return this.fillOpacity;
-  }
-  
-  public setMode(mode: ChoroplethMode): void {
-    this.mode = mode;
-  }
-
-  public getMode(): ChoroplethMode {
-    return this.mode;
-  }
-
-  private static pushAverageOfEveryElement(array: number[]): number[] {
-    var newArray = [];
-    for (let element in array) {
-        var index = parseInt(element);
-        newArray.push(array[index]);
-        newArray.push((array[index] + array[index + 1]) / 2);
-    }
-    newArray.pop();
-    return newArray;
-  }
-}
-
-// Adapted from Leaflet's example: https://leafletjs.com/examples/choropleth retrieved in March 2020.
-export function onEachFeature(_, layer) {
-  layer.on({
-    mouseover: highlightFeature,
-    mouseout: resetHighlight,
-    click: zoomToFeature
-  });
-}
-
-function resetHighlight(e) {
-  // Iterate each map layer and run resetStyle() function
-  $.each(Map.getInstance().getTimeDimension().getLayers(), function(index, value) {
-    try {
-      var layer = e.target;
-      layer.setStyle({
-        weight: Choropleth.DEFAULT_WEIGHT,
-        color: Choropleth.DEFAULT_BORDER_COLOR,
-        fillOpacity: Choropleth.DEFAULT_FILL_OPACITY,
-      });
-      if (!L.Browser.ie && !L.Browser.opera && !L.Browser.edge) {
-        layer.bringToFront();
-      }
-    } catch(e) { }
-  });
-}
-
-function zoomToFeature(e) {
-  Map.getInstance().getMap().fitBounds(e.target.getBounds());
-}
-
-function highlightFeature(e) {
-  var layer = e.target;
-  layer.setStyle({
-    weight: Choropleth.HIGHLIGHT_WEIGHT,
-    fillOpacity: Choropleth.HIGHLIGHT_FILL_OPACITY,
-  });
-
-  if (!L.Browser.ie && !L.Browser.opera && !L.Browser.edge) {
-    layer.bringToFront();
-  }
-}

src/CircleMarker.ts

@@ -1,123 +0,0 @@
-"use strict";
-
-import { Map } from "./Map";
-import { ITemporal } from "./ITemporal";
-import { AbstractReader } from "./AbstractReader";
-
-export class CircleMarker implements ITemporal {
-  public static readonly PANE_NAME: string = 'circle-marker-pane';
-  public static readonly COLOR: string = '#a80808';
-  public static readonly OPACITY: number = 0.27;
-  public static readonly BORDER_WEIGHT: number = 0.4;
-  public static readonly RADIUS_NOISE: number = 0.0015;
-  public static readonly RADIUS_MAX: number = 20;
-  public static readonly RADIUS_MIN: number = 2.5;
-  private circles: object[];
-  private fileReader: AbstractReader;
-  private confirmedFeatures: object;
-
-  public constructor(fileReader: AbstractReader, confirmedFeatures: object) {
-    this.fileReader = fileReader;
-    this.confirmedFeatures = confirmedFeatures;
-  }
-
-  public update(geoJson: any) {
-    Map.getInstance().getMap().createPane(CircleMarker.PANE_NAME);
-
-    // Clear all circles
-    this.circles = [];
-
-    // Create circles
-    var features: object[];
-    // Extract a portion of states from end of geojson
-    features = geoJson.features.slice(1).slice(-50);
-    this.createCircleMarkers(features, false);
-    
-    // Extract all except states at the end of geojson
-    features = geoJson.features.slice(0, -50);
-    this.createCircleMarkers(features, true);
-    
-    return L.layerGroup(this.circles).addTo(Map.getInstance().getMap());
-  }
-
-  public getCircles(): any[] {
-    return this.circles;
-  }
-
-  public createTooltip(marker: any, contentText: string, options?: {}): any {
-    var tooltip = L.tooltip(options).setContent(contentText);
-    // Attach tooltip to circle marker
-    marker.bindTooltip(tooltip).openPopup();
-    return tooltip;
-  }
-
-  private createCircleMarkers(features: any, recursive: boolean = false): void {
-    if (!features || features.length === 0) {
-      return;
-    }
-
-    if (!recursive) {
-      for (let stateIdx = 0, len = Object.keys(features).length; stateIdx < len; stateIdx++) {
-        var state = features[stateIdx].properties;
-        var currentTime = Map.getInstance().getTimeDimension().getCurrentTime();
-        var numOfDeathsAtCurrentTime = state[currentTime];
-        if (numOfDeathsAtCurrentTime && numOfDeathsAtCurrentTime > 0) {
-          try {
-            // Create circle marker
-            var circleMarker = L.circleMarker([state['Lat'], state['Long']], {
-                radius: this.setRadius(numOfDeathsAtCurrentTime * CircleMarker.RADIUS_NOISE),
-                color: CircleMarker.COLOR,
-                fillOpacity: CircleMarker.OPACITY,
-                weight: CircleMarker.BORDER_WEIGHT,
-                pane: CircleMarker.PANE_NAME,
-              }
-            );
-            // Get geographic name
-            var countryName = state['Country/Region'] ? state['Country/Region'] : '';
-            var stateName = state['Province/State'] ? state['Province/State'] : state['name'];
-            if (!stateName) {
-              stateName = '';
-            } else if (countryName) {
-              // Add a comma between country name and state name if a geographical area has both
-              stateName += ', ';
-            }
-            // Show number of confirmed cases
-            var numOfConfirmedCases = this.fileReader.getNumberOfCase(this.confirmedFeatures, currentTime, [state['Lat'], state['Long']]);
-
-            this.createTooltip(circleMarker,
-              '<b>' + stateName + countryName + '</b><br/>' +
-              'Confirmed: ' + numOfConfirmedCases + '<br/>' +
-              'Deaths: ' + numOfDeathsAtCurrentTime
-            , {
-              opacity: 1
-            });
-            this.circles.push(circleMarker);
-          } catch (e) { }
-        }
-      }
-    } else {
-      var countryFeatures = [];
-      for (let countryIdx = 0, len = Object.keys(features).length; countryIdx < len; countryIdx++) {
-        for (let stateIdx = 0, len = Object.keys(features[countryIdx].properties).length; stateIdx < len; stateIdx++) {
-          var state = features[countryIdx].properties[stateIdx];
-          if (state && typeof state === 'object') {
-            var feature: any = {};
-            feature.properties = state;
-            countryFeatures.push(feature);
-          }
-        }
-      }
-
-      this.createCircleMarkers(countryFeatures, false);
-    }
-  }
-
-  private setRadius(radius: number): number {
-    if (radius > CircleMarker.RADIUS_MAX) {
-      return CircleMarker.RADIUS_MAX;
-    } else if (radius < CircleMarker.RADIUS_MIN) {
-      return CircleMarker.RADIUS_MIN;
-    }
-    return radius;
-  }
-}

src/Coronamap.ts

@@ -1,57 +0,0 @@
-"use strict";
-
-import { Map } from "./Map";
-import { Database } from "./Database";
-import { AbstractReader } from "./AbstractReader";
-import { WorldFileReader } from "./WorldReader";
-import { StatesFileReader } from "./StatesReader";
-import { TimeDimension } from "./TimeDimension";
-import { ITemporal } from "./ITemporal";
-import { Choropleth } from "./Choropleth";
-import { CircleMarker } from "./CircleMarker";
-import { View } from "./View";
-moment.suppressDeprecationWarnings = true;
-
-// Measure the time it takes to fully load page
-const t0 = performance.now();
-
-var map = Map.getInstance();
-map.init();
-var worldFr: AbstractReader = new WorldFileReader();
-var usFr: AbstractReader = new StatesFileReader();
-var db = new Database();
-db.isExpired().then(function(value) {
-  if (value) {
-    worldFr.init();
-    usFr.init();
-    db.clear();
-    db.setExpiryTime();
-    db.setItem(Database.KEY_CONFIRMED_GEOJSON, AbstractReader.mergeGeoJsons(worldFr.getConfirmedGeoJson(), usFr.getConfirmedGeoJson()));
-    db.setItem(Database.KEY_DEATHS_GEOJSON, AbstractReader.mergeGeoJsons(worldFr.getDeathsGeoJson(), usFr.getDeathsGeoJson()));
-  }
-}).then(() => {
-  db.getItem(Database.KEY_CONFIRMED_GEOJSON).then(function(mergedConfirmedGeoJson) {
-    var choropleth = new Choropleth();
-    var timedimension = new TimeDimension(Array<ITemporal>(choropleth));
-    map.attachTimeDimension(timedimension);
-    timedimension.update(mergedConfirmedGeoJson);
-
-    db.getItem(Database.KEY_DEATHS_GEOJSON).then(function(mergedDeathsGeoJson) {
-      var circleMarker = new CircleMarker(worldFr, mergedConfirmedGeoJson.features);
-      timedimension = new TimeDimension(Array<ITemporal>(circleMarker));
-      map.attachTimeDimension(timedimension);
-      timedimension.update(mergedDeathsGeoJson);
-
-      var view = new View(mergedConfirmedGeoJson, mergedDeathsGeoJson);
-      view.init();
-      timedimension = new TimeDimension(Array<ITemporal>(view));
-      map.attachTimeDimension(timedimension);
-      timedimension.update();
-      
-      // Remove spinner when the page is fully loaded
-      document.getElementById('spinner').outerHTML = '';
-
-      console.log(`Performance: ${performance.now() - t0} milliseconds.`);
-    });
-  });
-});

src/Database.ts

@@ -1,85 +0,0 @@
-"use strict";
-
-export class Database {
-  public static readonly DB_NAME: string = 'CoronamapStorage';
-  public static readonly KEY_EXPIRY_TIME: string = 'Expiry Time';
-  public static readonly KEY_CONFIRMED_GEOJSON: string = 'Confirmed Json';
-  public static readonly KEY_DEATHS_GEOJSON: string = 'Deaths Json';
-  // Stored data expires next day 3am UTC when the automated update is available by public data
-  public static readonly DEFAULT_EXPIRY_TIME: number = new Date().setUTCHours(24 + 3, 0, 0, 0);
-  // Use temporary storage if false
-  private static hasLocalStorage: boolean = true;
-  // Temporary storage expires after page refresh
-  private static temporaryStorage: Object = {};
-
-  public constructor() {
-    localforage.config({
-      driver: localforage.INDEXEDDB,
-      name: Database.DB_NAME
-    });
-  }
-
-  public setItem(key: string, value: any): void {
-    if (Database.hasLocalStorage) {
-      localforage.setItem(key, value);
-    } else {
-      Database.temporaryStorage[key] = value;
-    }
-  }
-
-  public async getItem(key: string): Promise<any> {
-    if (Database.hasLocalStorage) {
-      return localforage.getItem(key).then((value) => {
-        if (value) {
-          return value;
-        }
-      }).catch((err) => {
-        Database.hasLocalStorage = false;
-      });
-    } else {
-      return Database.temporaryStorage[key];
-    }
-  }
-  
-  public clear(): void {
-    if (Database.hasLocalStorage) {
-      localforage.clear();
-    } else {
-      Database.temporaryStorage = new Object();
-    }
-  }
-
-  public supports(): boolean {
-    return localforage.supports(localforage.INDEXEDDB);
-  }
-
-  public async isExpired(): Promise<any> {
-    var extime;
-    if (Database.hasLocalStorage) {
-      extime = await this.getItem(Database.KEY_EXPIRY_TIME);
-    }
-    if (extime) {
-      return new Date().getTime() > extime;
-    }
-    // Expire if database does not contain expiry time
-    return true;
-  }
-
-  public setExpiryTime(extime?: any): void {
-    if (Database.hasLocalStorage) {
-      this.isExpired().then(function(value) {
-        if (value) {
-          localforage.setItem(Database.KEY_EXPIRY_TIME, !extime ? Database.DEFAULT_EXPIRY_TIME : extime);
-        }
-      });
-    }
-  }
-
-  public getStorage(): object {
-    if (Database.hasLocalStorage) {
-      return localforage._dbInfo;
-    } else {
-      return Database.temporaryStorage;
-    }
-  }
-}

src/ITemporal.ts

@@ -1,7 +0,0 @@
-"use strict";
-
-export interface ITemporal {
- 
-  // Return a layer, or empty layer L.layerGroup().addTo(Map.getInstance().getMap());
-  update(geoJson: object): any;
-}

src/Map.ts

@@ -1,106 +0,0 @@
-"use strict";
-
-import { TimeDimension } from "./TimeDimension";
-
-export class Map {
-  public static readonly BUTTON_CONTROL_POSITION: string = 'bottomright';
-  public static readonly TIMEDIMENSION_POSITION: string = 'topright';
-  public static readonly SCALE_CONTROL_POSITION: string = 'bottomright';
-  public static readonly LINK_VIEW_SOURCE: string = 'https://github.com/7ae/coronamap';
-  private static instance: Map = null;
-  private map: any;
-  private timeDimension: any;
-
-  private constructor() { }
-
-  public static getInstance(): Map {
-    if (this.instance === null) {
-      this.instance = new Map();
-    }
-    return this.instance;
-  }
-
-  public init(): void {
-    this.map = L.map('map', {
-      zoomControl: true,
-      zoomDelta: 0.5,
-      zoomSnap: 0,
-      minZoom: 1.5,
-      maxZoom: 6,
-      worldCopyJump: true,
-      timeDimension: true,
-      timeDimensionOptions: {
-        timeInterval: '2020-01-22/' + new Date(Date.now() - 864e5).toJSON().slice(0, 10),
-        period: 'P1D',
-        buffer: 1,
-      },
-    }).setView([30, 0], 2.0);
-    
-    // Add scale to map
-    L.control.scale({position: Map.SCALE_CONTROL_POSITION, metric: false}).addTo(this.map);
-
-    this.createTimeDimensionControl();
-
-    // Load map tiles
-    var osmLayer = L.tileLayer('https://{s}.tile.osm.org/{z}/{x}/{y}.png', {
-      attribution: 'Disease data &copy; <a href="https://systems.jhu.edu/">Johns Hopkins CSSE</a> Map &copy; <a href="https://osm.org/copyright">OpenStreetMap</a> contributors, <a href="https://leafletjs.com">Leaflet</a>',
-      tileSize: 512,
-      zoomOffset: -1
-    }).addTo(this.map);
-    this.map.attributionControl.setPrefix('<a href="' + Map.LINK_VIEW_SOURCE + '">View Source</a>');
-    this.createFullscreenControl(Map.BUTTON_CONTROL_POSITION);
-  }
-
-  // Attach fullscreen control to zoom buttons
-  private createFullscreenControl(controlPosition: string): void {
-    // Move zoom buttons
-    this.map.zoomControl.setPosition(controlPosition);
-    // Attach fullscreen control to zoom buttons
-    L.control.fullscreen({
-      position: controlPosition,
-      forceSeparateButton: false
-    }).addTo(this.map);
-  }
-
-  // Attach timedimension control to the map
-  private createTimeDimensionControl(): void {
-    L.Control.TimeDimensionCustom = L.Control.TimeDimension.extend({
-      //@override
-      _getDisplayDateFormat: function(date: any) {
-        return moment(date).add(1, 'days').format('dddd, LL');
-      }
-    });
-    var timeDimensionControl = new L.Control.TimeDimensionCustom({
-      position: Map.TIMEDIMENSION_POSITION,
-      minSpeed: 0.25,
-      maxSpeed: 2,
-      speedStep: 0.25,
-      timeSliderDragUpdate: true,
-      autoPlay: false,
-      loopButton: true,
-      playReverseButton: true,
-      timeZones: ['Local'],
-      playerOptions: {
-        loop: true,
-        startOver: true,
-      }
-    });
-    this.map.addControl(timeDimensionControl);
-  }
-
-  public getMap(): any {
-    return this.map;
-  }
-
-  public attachTimeDimension(td: TimeDimension): void {
-    this.timeDimension = td;
-  }
-
-  public dettachTimeDimension(): void {
-    this.timeDimension = null;
-  }
-
-  public getTimeDimension(): TimeDimension {
-    return this.timeDimension;
-  }
-}

src/StatesReader.ts

@@ -1,72 +0,0 @@
-"use strict";
-
-import { AbstractReader } from "./AbstractReader";
-import * as usStatesGeoJSONFile from '../dist/src/us-states.json';
-
-export class StatesFileReader extends AbstractReader {
-  public static readonly CONFIRMED_FILE_SCOPE: string = 'time_series_covid19_confirmed_US.csv';
-  public static readonly DEATHS_FILE_SCOPE: string = 'time_series_covid19_deaths_US.csv';
-  public static readonly CENTER_OF_LAT_KEY: string = "Lat";
-  public static readonly CENTER_OF_LONG_KEY: string = "Long";
-
-  public constructor() {
-    super();
-  }
-
-  public init(): void {
-    var centerOfLatLong = this.readCsv("https://raw.githubusercontent.com/jayinsf/coronamap/master/dist/src/states.csv");
-    
-    var confirmed: any = this.readCsv(AbstractReader.BASE_URL + StatesFileReader.CONFIRMED_FILE_SCOPE);
-    var deaths: any = this.readCsv(AbstractReader.BASE_URL + StatesFileReader.DEATHS_FILE_SCOPE);
-    
-    confirmed = this.replaceColumnKeys(confirmed);
-    deaths = this.replaceColumnKeys(deaths);
-
-    confirmed = this.csvToObject(confirmed);
-    deaths = this.csvToObject(deaths);
-    
-    confirmed = this.replaceColumnValues(confirmed);
-    deaths = this.replaceColumnValues(deaths);
-    
-    super.setConfirmedGeoJson(this.setPropertyValues(confirmed, this.loadGeoJsonFile()));
-    super.setDeathsGeoJson(this.setPropertyValues(deaths, this.loadGeoJsonFile()));
-
-    this.setConfirmedGeoJson(this.addCenterOfCordinates(this.csvToObject(centerOfLatLong), this.getConfirmedGeoJson()));
-    this.setDeathsGeoJson(this.addCenterOfCordinates(this.csvToObject(centerOfLatLong), this.getDeathsGeoJson()));
-  }
-  
-  // Load geojson file and return copy of geojson object
-  public loadGeoJsonFile(): object {
-    return JSON.parse(JSON.stringify(usStatesGeoJSONFile.default));
-  }
-
-  public replaceColumnKeys(csv: any): string {
-    const dict = {
-      "Province_State": "Province/State",
-      "Country_Region": "Country/Region",
-      "Long_": "Long",
-    }
-    return super.replaceColumnKeys(csv, dict);
-  }
-
-  public replaceColumnValues(csv: any): object {
-    const dict = {}
-    return super.replaceColumnValues(csv, dict, 'Province/State');
-  }
-
-  public setPropertyValues(csv: any, geoJson: object): object {
-    return super.setPropertyValues(csv, geoJson, 'Province/State', 'name');
-  }
-
-  public addCenterOfCordinates(csv: any, geoJson: any): object {
-    for (let feature of geoJson.features) {
-      for (let csvRow of csv) {
-        if (feature.id == csvRow.state) {
-          feature.properties[StatesFileReader.CENTER_OF_LAT_KEY] = csvRow.latitude;
-          feature.properties[StatesFileReader.CENTER_OF_LONG_KEY] = csvRow.longitude;
-        }
-      }
-    }
-    return geoJson;
-  }
-}

src/TimeDimension.ts

@@ -1,65 +0,0 @@
-"use strict";
-
-import { Map } from "./Map";
-import { ITemporal } from "./ITemporal";
-
-export class TimeDimension {
-  public static readonly DATE_FORMAT: string = 'M/D/YY';
-  public static readonly WAIT_ON_LOAD_TIMER: number = 2;
-  private map: Map;
-  private temporal: Array<ITemporal>;
-  private layerGroup: any;
-  private layers: {[key: number]: any};
-  private hasTimeChanged: boolean;
-  private currentTime: string;
-
-  public constructor(temporal: ITemporal[]) {
-    this.map = Map.getInstance();
-    this.temporal = temporal;
-    this.layerGroup = L.layerGroup().addTo(this.map.getMap());
-    this.layers = {};
-    this.hasTimeChanged = false;
-  }
-
-  public update(geoJson: object = null) {
-    setInterval(() => {
-      this.hasTimeChanged = this.currentTime !== this.getCurrentTime();
-      this.currentTime = this.getCurrentTime();
-      if (!this.hasTimeChanged) {
-        return;
-      }
-      this.clearLayerGroup();
-      
-      for (let singleTemporal of this.temporal) {
-        let layer = singleTemporal.update(geoJson).addTo(this.layerGroup);
-        let layerId = L.stamp(layer) < Number.MAX_VALUE ? L.stamp(layer) : 0;
-        this.layers[layerId] = layer;
-      }
-    }, 0);
-  }
-
-  public getLayers(): {[key: number]: any} {
-    return this.layers;
-  }
-
-  public clearLayerGroup(): void {
-    if(this.layers) {
-      for (let i in this.layerGroup._layers) {
-        if (this.layerGroup.hasLayer(i)) {
-          this.layerGroup.removeLayer(i);
-        }
-      }
-      this.layers = {};
-    }
-  }
-
-  public getCurrentTime(): string {
-    var currentTimeInMillisecond = this.map.getMap().timeDimension.getCurrentTime();
-    var currentTime = this.millisecondToDate(currentTimeInMillisecond);
-    return moment(currentTime).format(TimeDimension.DATE_FORMAT);
-  }
-
-  private millisecondToDate(millisecond: number): string {
-    return new Date(millisecond).toJSON().slice(0, 10);
-  }
-}

src/View.ts

@@ -1,100 +0,0 @@
-"use strict";
-
-import { Map } from "./Map";
-import { AbstractReader } from "./AbstractReader";
-
-export class View {
-  private table: any;
-  private confirmedWorldFeatures: any;
-  private deathsWorldFeatures: any;
-  private confirmedUSFeatures: any;
-  private deathsUSFeatures: any;
-
-  constructor(confirmedGeoJson: any, deathsGeoJson: any) {
-    document.getElementById('table').style.visibility = 'visible';
-
-    this.confirmedWorldFeatures = confirmedGeoJson.features.slice(0, -50);
-    this.deathsWorldFeatures = deathsGeoJson.features.slice(0, -50);
-
-    this.confirmedUSFeatures = confirmedGeoJson.features.slice(1).slice(-50);
-    this.deathsUSFeatures = deathsGeoJson.features.slice(1).slice(-50);
-  }
-  
-  public init(): void {
-    this.table = $('#datatables').DataTable({
-      autoWidth: false,
-      columnDefs: [{
-        targets: -1,
-        className: 'all'
-      }],
-      paging: false,
-      
-      "columns": [	
-        { "data": "country" },
-        { "data": "confirmed" },
-        { "data": "death" },
-      ],
-
-      //adds icons
-      dom: 'Bfrtip',
-      buttons: [
-        { extend: 'csvHtml5', text: '<i class="far fa-file-alt"></i>', titleAttr: 'CSV' },
-        { extend: 'excelHtml5', text: '<i class="far fa-file-excel"></i>', titleAttr: 'Excel' },
-        { extend: 'pdfHtml5', text: '<i class="far fa-file-pdf"></i>', titleAttr: 'PDF' },
-      ]
-    });
-  }
-  
-  public update(): object {
-    this.table.clear().draw();
-    //extracts all except states at the end of geojson
-    this.createRows(this.confirmedWorldFeatures, this.deathsWorldFeatures);
-    this.createRows(this.confirmedUSFeatures, this.deathsUSFeatures, true);
-    return L.layerGroup().addTo(Map.getInstance().getMap());
-  }
-
-  public createRows(confirmedFeatures: object, deathsFeatures: object, isStates: boolean = false): any {
-    var currentTime = Map.getInstance().getTimeDimension().getCurrentTime();
-    var confirmed = AbstractReader.getProperty(confirmedFeatures, ['Country/Region', currentTime]);
-    var deaths = AbstractReader.getProperty(deathsFeatures, [currentTime]);
-
-    if (isStates) {
-      this.createOneRow([
-        {
-          'country': confirmed['Country/Region'][0],
-          'confirmed': this.sumArrayItems(confirmed[currentTime]).toLocaleString(),
-          'death': this.sumArrayItems(deaths[currentTime]).toLocaleString(),
-        }
-      ]);
-      return;
-    }
-
-    var dataset: object[] = [];
-    for (let i in confirmed['Country/Region']) {
-      // Fix DataTables warning: table id=datatables - Requested unknown parameter 'confirmed' for row 0, column 1. For more information about this error, please see http://datatables.net/tn/4
-      try {
-        dataset.push({
-          'country': confirmed['Country/Region'][i],
-          'confirmed': confirmed[currentTime][i].toLocaleString(),
-          'death': deaths[currentTime][i].toLocaleString()
-        });
-      } catch (e) {
-        // Throw exception if today's disease data is not found on public
-        console.log(e);
-      }
-    }
-    this.createOneRow(dataset);
-  }
-
-  private createOneRow(dataset: object[]): void { 
-    this.table.rows.add(dataset).draw();
-  }
-
-  private sumArrayItems(arr: number[]): number {
-    var sum = 0;
-    for (let i in arr) {
-      sum += arr[i];
-    }
-    return sum;
-  }
-}

src/WorldReader.ts

@@ -1,62 +0,0 @@
-"use strict";
-
-import { AbstractReader } from "./AbstractReader";
-import * as worldCountriesGeoJSONFile from '../dist/src/world-countries.json';
-
-export class WorldFileReader extends AbstractReader {
-  public static readonly CONFIRMED_FILE_SCOPE = 'time_series_covid19_confirmed_global.csv';
-  public static readonly DEATHS_FILE_SCOPE = 'time_series_covid19_deaths_global.csv';
-  public static readonly RECOVERED_FILE_SCOPE = 'time_series_covid19_recovered_global.csv';
-
-  public constructor() {
-    super();
-  }
-
-  public init(): void {
-    var confirmed: any = this.readCsv(AbstractReader.BASE_URL + WorldFileReader.CONFIRMED_FILE_SCOPE);
-    var deaths: any = this.readCsv(AbstractReader.BASE_URL + WorldFileReader.DEATHS_FILE_SCOPE);
-    var recovered: any = this.readCsv(AbstractReader.BASE_URL + WorldFileReader.RECOVERED_FILE_SCOPE);
-    
-    confirmed = this.replaceText(confirmed, 'Greenland,Denmark', 'Greenland,Greenland');
-    deaths = this.replaceText(deaths, 'Greenland,Denmark', 'Greenland,Greenland');
-    recovered = this.replaceText(recovered, 'Greenland,Denmark', 'Greenland,Greenland');
-
-    confirmed = this.csvToObject(confirmed);
-    deaths = this.csvToObject(deaths);
-    recovered = this.csvToObject(recovered);
-    
-    confirmed = this.replaceColumnValues(confirmed);
-    deaths = this.replaceColumnValues(deaths);
-    recovered = this.replaceColumnValues(recovered);
-
-    confirmed = this.subtractRecoveredFromConfirmed(confirmed, recovered);
-    
-    super.setConfirmedGeoJson(this.setPropertyValues(confirmed, this.loadGeoJsonFile()));
-    super.setDeathsGeoJson(this.setPropertyValues(deaths, this.loadGeoJsonFile()));
-    super.setRecoveredGeoJson(this.setPropertyValues(recovered, this.loadGeoJsonFile()));
-  }
-
-  public loadGeoJsonFile(): object {
-    return JSON.parse(JSON.stringify(worldCountriesGeoJSONFile.default));
-  }
-
-  public replaceColumnValues(csv: any): object {
-    const dict = {
-      "Burma": "Myanmar",
-      "Czechia": "Czech Republic",
-      "Korea, South": "South Korea",
-      "Congo (Kinshasa)": "Democratic Republic of the Congo",
-      "Congo (Brazzaville)": "Republic of the Congo",
-      "Taiwan*": 'Taiwan',
-      "occupied Palestinian territory": "Palestine",
-      "Bahamas, The": "Bahamas",
-      "Gambia, The": "Gambia",
-    }
-    return super.replaceColumnValues(csv, dict, 'Country/Region');
-  }
-
-  // Append csv data to geojson
-  public setPropertyValues(csv: any, geoJson: object): object {
-    return super.setPropertyValues(csv, geoJson, 'Country/Region', 'name');
-  }
-}

src/vendor.d.ts

@@ -1,17 +0,0 @@
-// JQuery
-declare var $: any;
-
-// Leaflet.js
-declare var L: any;
-
-// Files with .json extension
-declare module "*.json" {
-  const value: any;
-  export default value;
-}
-
-// momentjs
-declare var moment: any;
-
-// localforage
-declare var localforage: any;

tsconfig.json

@@ -1,16 +0,0 @@
-{
-  "compilerOptions": {
-    "outDir": "./dist/",
-    "sourceMap": true,
-    "noImplicitAny": false,
-    "module": "es6",
-    "target": "es5",
-    "allowJs": true,
-    "watch": true,
-    "moduleResolution": "node"
-  },
-  "exclude": [
-    "test.ts",
-    "node_modules",
-  ]
-}

webpack.config.js

@@ -1,26 +0,0 @@
-const path = require('path');
-
-module.exports = {
-  entry: './src/Coronamap.ts',
-  devtool: 'inline-source-map', 
-  module: {
-    rules: [
-      {
-        test: /\.tsx?$/,
-        use: 'ts-loader',
-        exclude: /node_modules/,
-      },
-    ],
-  },
-  node: {
-    fs: 'empty'
-  },
-  resolve: {
-    extensions: ['.js', '.ts', '.tsx'],
-  },
-  output: {
-    filename: 'bundle.js',
-    path: path.resolve(__dirname, 'dist/js'),
-  },
-  
-};