Refactor TypeScript definition to CommonJS compatible export (#12)

index.d.ts

@@ -1,14 +1,42 @@
-export interface Options {
-	/**
-	 * A semver range or [dist-tag](https://docs.npmjs.com/cli/dist-tag).
-	 */
-	readonly version?: string;
+declare namespace latestVersion {
+	interface Options {
+		/**
+		A semver range or [dist-tag](https://docs.npmjs.com/cli/dist-tag).
+		*/
+		readonly version?: string;
+	}
 }
 
-/**
- * Get the latest version of an npm package.
- */
-export default function latestVersion(
-	packageName: string,
-	options?: Options
-): Promise<string>;
+declare const latestVersion: {
+	/**
+	Get the latest version of an npm package.
+
+	@example
+	```
+	import latestVersion = require('latest-version');
+
+	(async () => {
+		console.log(await latestVersion('ava'));
+		//=> '0.18.0'
+
+		console.log(await latestVersion('@sindresorhus/df'));
+		//=> '1.0.1'
+
+		// Also works with semver ranges and dist-tags
+		console.log(await latestVersion('npm', {version: 'latest-5'}));
+		//=> '5.5.1'
+	})();
+	```
+	*/
+	(packageName: string, options?: latestVersion.Options): Promise<string>;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function latestVersion(
+	// 	packageName: string,
+	// 	options?: latestVersion.Options
+	// ): Promise<string>;
+	// export = latestVersion;
+	default: typeof latestVersion;
+};
+
+export = latestVersion;

index.js

@@ -7,4 +7,5 @@ const lastestVersion = async (packageName, options) => {
 };
 
 module.exports = lastestVersion;
+// TODO: Remove this for the next major release
 module.exports.default = lastestVersion;

index.test-d.ts

@@ -1,5 +1,5 @@
-import {expectType} from 'tsd-check';
-import latestVersion from '.';
+import {expectType} from 'tsd';
+import latestVersion = require('.');
 
 expectType<Promise<string>>(latestVersion('ava'));
 expectType<Promise<string>>(latestVersion('npm', {version: 'latest-5'}));

package.json

@@ -13,7 +13,7 @@
 		"node": ">=8"
 	},
 	"scripts": {
-		"test": "xo && ava && tsd-check"
+		"test": "xo && ava && tsd"
 	},
 	"files": [
 		"index.js",
@@ -30,13 +30,13 @@
 		"module"
 	],
 	"dependencies": {
-		"package-json": "^6.1.0"
+		"package-json": "^6.3.0"
 	},
 	"devDependencies": {
-		"ava": "^1.3.1",
-		"semver": "^5.6.0",
+		"ava": "^1.4.1",
+		"semver": "^6.0.0",
 		"semver-regex": "^2.0.0",
-		"tsd-check": "^0.3.0",
+		"tsd": "^0.7.2",
 		"xo": "^0.24.0"
 	}
 }