Refactor TypeScript definition to CommonJS compatible export (#15)

index.d.ts

@@ -1,6 +1,33 @@
-/**
- * Get the set npm registry URL.
- *
- * @param scope - Retrieve the registry URL associated with an [npm scope](https://docs.npmjs.com/misc/scope). If the provided scope is not in the user's `.npmrc` file, then `registry-url` will check for the existence of `registry`, or if that's not set, fallback to the default npm registry.
- */
-export default function registryUrl(scope?: string): string;
+declare const registryUrl: {
+	/**
+	Get the set npm registry URL.
+
+	@param scope - Retrieve the registry URL associated with an [npm scope](https://docs.npmjs.com/misc/scope). If the provided scope is not in the user's `.npmrc` file, then `registry-url` will check for the existence of `registry`, or if that's not set, fallback to the default npm registry.
+
+	@example
+	```
+	import registryUrl = require('registry-url');
+
+	// # .npmrc
+	// registry = 'https://custom-registry.com/'
+
+	console.log(registryUrl());
+	//=> 'https://custom-registry.com/'
+
+
+	// # .npmrc
+	// @myco:registry = 'https://custom-registry.com/'
+
+	console.log(registryUrl('@myco'));
+	//=> 'https://custom-registry.com/'
+	```
+	*/
+	(scope?: string): string;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function registryUrl(scope?: string): string;
+	// export = registryUrl;
+	default: typeof registryUrl;
+};
+
+export = registryUrl;

index.js

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

index.test-d.ts

@@ -1,5 +1,5 @@
-import {expectType} from 'tsd-check';
-import registryUrl from '.';
+import {expectType} from 'tsd';
+import registryUrl = require('.');
 
 expectType<string>(registryUrl());
 expectType<string>(registryUrl('@myco'));

package.json

@@ -13,7 +13,7 @@
 		"node": ">=8"
 	},
 	"scripts": {
-		"test": "xo && ava && tsd-check"
+		"test": "xo && ava && tsd"
 	},
 	"files": [
 		"index.js",
@@ -33,9 +33,9 @@
 		"rc": "^1.2.8"
 	},
 	"devDependencies": {
-		"ava": "^1.3.1",
+		"ava": "^1.4.1",
 		"import-fresh": "^3.0.0",
-		"tsd-check": "^0.3.0",
+		"tsd": "^0.7.2",
 		"xo": "^0.24.0"
 	},
 	"ava": {