adding leaflet-groupedlayercontrol types (#39044)

* adding leaflet-groupedlayercontrol types

* Adding typescript version information to index.d.ts file.

* Updating formatting in types

* Adding dom to libs in tsconfig

* Updating formatting issues in index.d.ts file

types/leaflet-groupedlayercontrol/index.d.ts

@@ -0,0 +1,29 @@
+// Type definitions for leaflet-groupedlayercontrol 0.6
+// Project: https://github.com/ismyrnow/leaflet-groupedlayercontrol
+// Definitions by: Ryan Conklin <https://github.com/ryanc16>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+import * as L from 'leaflet';
+
+declare module 'leaflet' {
+    namespace Control {
+        class GroupedLayers extends Control {
+            constructor(baseLayers: { [index: string]: Layer }, groupedOverlays: { [index: string]: { [index: string]: LayerGroup } }, options: GroupedLayersOptions);
+        }
+    }
+
+    namespace control {
+        function groupedLayers(baseLayers: { [index: string]: Layer }, groupedOverlays: { [index: string]: { [index: string]: LayerGroup } }, options: GroupedLayersOptions): Control;
+    }
+
+    interface GroupedLayersOptions extends ControlOptions {
+        /** Default: true */
+        collapsed?: boolean;
+        /** Default: true */
+        autoZIndex?: boolean;
+        exclusiveGroups?: string[];
+        /** Default: false */
+        groupCheckboxes?: boolean;
+    }
+}

types/leaflet-groupedlayercontrol/leaflet-groupedlayercontrol-tests.ts

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+import * as L from 'leaflet';
+import 'leaflet-groupedlayercontrol';
+
+const map: L.Map = L.map('#map');
+
+const baseLayers = {
+    street: L.tileLayer('...')
+};
+
+const groupedOverlays = {
+    overlayGroup1: {
+        overlay1: L.layerGroup(),
+        overlay2: L.layerGroup()
+    },
+    overlayGroup2: {
+        overlay3: L.layerGroup()
+    }
+};
+
+const groupedLayersOptions: L.GroupedLayersOptions = {
+    position: 'topleft',
+    exclusiveGroups: ['overlayGroup1', 'overlayGroup2'],
+    groupCheckboxes: false
+};
+
+L.control.groupedLayers(baseLayers, groupedOverlays, groupedLayersOptions).addTo(map);

types/leaflet-groupedlayercontrol/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "leaflet-groupedlayercontrol-tests.ts"
+    ]
+}

types/leaflet-groupedlayercontrol/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }