add typescript declarations (for Glint)

ember-click-outside/package.json

@@ -10,7 +10,8 @@
   "author": "Gabor Babicz <[email protected]>",
   "files": [
     "addon-main.js",
-    "dist"
+    "dist",
+    "types"
   ],
   "scripts": {
     "build": "rollup --config",
@@ -63,7 +64,17 @@
   },
   "exports": {
     ".": "./dist/index.js",
-    "./*": "./dist/*.js",
+    "./*": {
+      "types": "./types/*.d.ts",
+      "default": "./dist/*.js"
+    },
     "./addon-main.js": "./addon-main.js"
+  },
+  "typesVersions": {
+    "*": {
+      "*": [
+        "types/*"
+      ]
+    }
   }
 }

ember-click-outside/types/modifiers/on-click-outside.d.ts

@@ -0,0 +1,17 @@
+import type Modifier from 'ember-modifier';
+
+export interface ClickOutsideSignature {
+  Element?: HTMLElement;
+  Args: {
+    Positional: [action: (event: Event) => unknown];
+    Named:
+      | never
+      | {
+          capture?: boolean;
+          eventType?: keyof DocumentEventMap;
+          exceptSelector?: string;
+        };
+  };
+}
+
+export default class ClickOutsideModifier extends Modifier<ClickOutsideSignature> {}

ember-click-outside/types/template-registry.d.ts

@@ -0,0 +1,5 @@
+import OnClickOutside from './modifiers/on-click-outside';
+
+export default class EmberClickOutsideRegistry {
+  'on-click-outside': typeof OnClickOutside;
+}