Refactor TypeScript definition to CommonJS compatible export

index.d.ts

@@ -1,6 +1,26 @@
-/**
- * Capitalize every word in a string: `unicorn cake` → `Unicorn Cake`.
- *
- * @param input - The string to titleize.
- */
-export default function titleize(input: string): string;
+declare const titleize: {
+	/**
+	Capitalize every word in a string: `unicorn cake` → `Unicorn Cake`.
+
+	@param input - The string to titleize.
+
+	@example
+	```
+	import titleize = require('titleize');
+
+	titleize('foo bar');
+	//=> 'Foo Bar'
+
+	titleize('foo-bar');
+	//=> 'Foo-Bar'
+	```
+	*/
+	(input: string): string;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function titleize(input: string): string;
+	// export = titleize;
+	default: typeof titleize;
+};
+
+export = titleize;

index.js

@@ -8,4 +8,5 @@ const titleize = input => {
 };
 
 module.exports = titleize;
+// TODO: Remove this for the next major release
 module.exports.default = titleize;

index.test-d.ts

@@ -1,4 +1,4 @@
-import {expectType} from 'tsd-check';
-import titleize from '.';
+import {expectType} from 'tsd';
+import titleize = require('.');
 
 expectType<string>(titleize('foo bar'));

package.json

@@ -13,7 +13,7 @@
 		"node": ">=6"
 	},
 	"scripts": {
-		"test": "xo && ava && tsd-check"
+		"test": "xo && ava && tsd"
 	},
 	"files": [
 		"index.js",
@@ -32,8 +32,8 @@
 		"convert"
 	],
 	"devDependencies": {
-		"ava": "^1.2.1",
-		"tsd-check": "^0.3.0",
+		"ava": "^1.4.1",
+		"tsd": "^0.7.1",
 		"xo": "^0.24.0"
 	}
 }