feat: TypeScript types file [#319]

index.d.ts

@@ -0,0 +1,20 @@
+declare module 'esri-leaflet-geocoder' {
+    export function arcgisOnlineProvider(options): any;
+    export var ArcgisOnlineProvider: any;
+    export function featureLayerProvider(options): any;
+    export var FeatureLayerProvider: any;
+    export function geocode(options): any;
+    export var Geocode: any;
+    export function geocodeService(options): any;
+    export var GeocodeService: any;
+    export function geocodeServiceProvider(options): any;
+    export var GeocodeServiceProvider: any;
+    export function geosearch(options): any;
+    export var Geosearch: any;
+    export function mapServiceProvider(options): any;
+    export var MapServiceProvider: any;
+    export function reverseGeocode(options): any;
+    export var ReverseGeocode: any;
+    export function suggest(options): any;
+    export var Suggest: any;
+}

package.json

@@ -45,7 +45,8 @@
   },
   "files": [
     "src/**/*.js",
-    "dist/**"
+    "dist/**",
+    "index.d.ts"
   ],
   "homepage": "https://github.com/Esri/esri-leaflet-geocoder",
   "jsnext:main": "src/EsriLeafletGeocoding.js",
@@ -85,5 +86,6 @@
       "xhr"
     ]
   },
-  "style": "./dist/esri-leaflet-geocoder.css"
+  "style": "./dist/esri-leaflet-geocoder.css",
+  "types": "index.d.ts"
 }