typescript (#13)

package.json

@@ -3,15 +3,18 @@
   "version": "1.0.3",
   "description": "Reuse objects and functions with style",
   "main": "reusify.js",
+  "types": "reusify.d.ts",
   "scripts": {
     "lint": "standard",
     "test": "tape test.js | faucet",
     "istanbul": "istanbul cover tape test.js",
-    "coverage": "npm run istanbul; cat coverage/lcov.info | coveralls"
+    "coverage": "npm run istanbul; cat coverage/lcov.info | coveralls",
+    "test:typescript": "tsc"
   },
   "pre-commit": [
     "lint",
-    "test"
+    "test",
+    "test:typescript"
   ],
   "repository": {
     "type": "git",
@@ -35,11 +38,13 @@
     "iojs": ">=1.0.0"
   },
   "devDependencies": {
+    "@types/node": "^20.1.0",
     "coveralls": "^2.13.3",
     "faucet": "0.0.1",
     "istanbul": "^0.4.5",
     "pre-commit": "^1.2.2",
     "standard": "^10.0.3",
-    "tape": "^4.8.0"
+    "tape": "^4.8.0",
+    "typescript": "^5.2.2"
   }
 }

reusify.d.ts

@@ -0,0 +1,14 @@
+interface Node {
+	next: Node | null;
+}
+
+interface Constructor<T> {
+	new(): T;
+}
+
+declare function reusify<T extends Node>(constructor: Constructor<T>): {
+	get(): T;
+	release(node: T): void;
+};
+
+export = reusify;

tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "noEmit": true,
+    "strict": true
+  },
+  "files": [
+    "./reusify.d.ts"
+  ]
+}