[@types/geobuf] Add typings for geobuf project (#40532)

* Add types for geobuf

https://github.com/mapbox/geobuf

* Remove patch version from header

types/geobuf/geobuf-tests.ts

@@ -0,0 +1,14 @@
+import * as geobuf from 'geobuf';
+import { GeoJSON } from 'geojson';
+import Pbf = require('pbf');
+
+geobuf.decode(new Pbf(Uint8Array.from([]))); // $ExpectType GeoJSON
+const geojson: GeoJSON = {
+    type: 'Feature',
+    properties: {},
+    geometry: {
+        type: 'Point',
+        coordinates: [-127, 19]
+    }
+};
+geobuf.encode(geojson, new Pbf()); // $ExpectType Uint8Array

types/geobuf/index.d.ts

@@ -0,0 +1,9 @@
+// Type definitions for geobuf 3.0
+// Project: https://github.com/mapbox/geobuf
+// Definitions by: Chad Burt <https://github.com/DefinitelyTyped>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+import Pbf = require('pbf');
+import { GeoJSON } from 'geojson';
+
+export function decode(pbf: Pbf): GeoJSON;
+export function encode(obj: GeoJSON, pbf: Pbf): Uint8Array;

types/geobuf/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "geobuf-tests.ts"
+    ]
+}

types/geobuf/tslint.json

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