Refactor TypeScript definition to CommonJS compatible export (#6)

index.d.ts

@@ -1,6 +1,23 @@
-/**
-[FNV-1a](https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function) non-cryptographic hash function.
+declare const fnv1a: {
+	/**
+	[FNV-1a](https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function) non-cryptographic hash function.
 
-@returns The hash as a positive integer.
-*/
-export default function fnv1a(string: string): number;
+	@returns The hash as a positive integer.
+
+	@example
+	```
+	import fnv1a = require('@sindresorhus/fnv1a');
+
+	fnv1a('🦄🌈');
+	//=> 582881315
+	```
+	*/
+	(string: string): number;
+
+	// TODO: remove this in the next major version, refactor the whole definition to:
+	// declare function fnv1a(string: string): number;
+	// export = fnv1a;
+	default: typeof fnv1a;
+};
+
+export = fnv1a;

index.js

@@ -16,4 +16,5 @@ const fnv1a = string => {
 };
 
 module.exports = fnv1a;
+// TODO: remove this in the next major version, refactor the whole definition to:
 module.exports.default = fnv1a;

index.test-d.ts

@@ -1,4 +1,4 @@
-import {expectType} from 'tsd-check';
-import fnv1a from '.';
+import {expectType} from 'tsd';
+import fnv1a = require('.');
 
 expectType<number>(fnv1a('🦄🌈'));

package.json

@@ -13,7 +13,7 @@
 		"node": ">=6"
 	},
 	"scripts": {
-		"test": "xo && ava && tsd-check"
+		"test": "xo && ava && tsd"
 	},
 	"files": [
 		"index.js",
@@ -36,8 +36,8 @@
 		"vo"
 	],
 	"devDependencies": {
-		"ava": "^1.3.1",
-		"tsd-check": "^0.5.0",
+		"ava": "^1.4.1",
+		"tsd": "^0.7.1",
 		"xo": "^0.24.0"
 	}
 }