Include type declarations in build step (#1271)

* Include type declarations in build step - Fixes #1266

* Indentation fixes, use src types

* Remove unneeded copy

---------

Co-authored-by: Garrett Johnson <garrett.kjohnson@gmail.com>

Author: xawill

package.json

@@ -23,14 +23,38 @@
     "build/*"
   ],
   "exports": {
-    ".": "./build/index.js",
-    "./plugins": "./build/index.plugins.js",
-    "./core": "./build/index.core.js",
-    "./three": "./build/index.three.js",
-    "./r3f": "./build/index.r3f.js",
-    "./core/plugins": "./build/index.core-plugins.js",
-    "./three/plugins": "./build/index.three-plugins.js",
-    "./src/*": "./src/*"
+    ".": {
+      "import": "./build/index.js",
+      "types": "./src/index.d.ts"
+    },
+    "./plugins": {
+      "import": "./build/index.plugins.js",
+      "types": "./src/plugins.d.ts"
+    },
+    "./core": {
+      "import": "./build/index.core.js",
+      "types": "./src/core/renderer/index.d.ts"
+    },
+    "./three": {
+      "import": "./build/index.three.js",
+      "types": "./src/three/renderer/index.d.ts"
+    },
+    "./r3f": {
+      "import": "./build/index.r3f.js",
+      "types": "./src/r3f/index.d.ts"
+    },
+    "./core/plugins": {
+      "import": "./build/index.core-plugins.js",
+      "types": "./src/core/plugins/index.d.ts"
+    },
+    "./three/plugins": {
+      "import": "./build/index.three-plugins.js",
+      "types": "./src/three/plugins/index.d.ts"
+    },
+    "./src/*": {
+      "import": "./src/*",
+      "types": "./src/*.d.ts"
+    }
   },
   "scripts": {
     "start": "vite --config ./vite.config.js",

src/core/renderer/tiles/TileInternal.d.ts

@@ -1,4 +1,4 @@
-import { Tile } from './Tile';
+import { Tile } from './Tile.js';
 
 /**
  * Internal state used/set by the package.