Refactor TypeScript definition to CommonJS compatible export

index.d.ts

@@ -1,20 +1,29 @@
-/**
-Get the real length of a string - by correctly counting astral symbols and ignoring [ansi escape codes](https://github.com/sindresorhus/strip-ansi).
+declare const stringLength: {
+	/**
+	Get the real length of a string - by correctly counting astral symbols and ignoring [ansi escape codes](https://github.com/sindresorhus/strip-ansi).
 
-`String#length` errornously counts [astral symbols](https://web.archive.org/web/20150721114550/http://www.tlg.uci.edu/~opoudjis/unicode/unicode_astral.html) as two characters.
+	`String#length` errornously counts [astral symbols](https://web.archive.org/web/20150721114550/http://www.tlg.uci.edu/~opoudjis/unicode/unicode_astral.html) as two characters.
 
-@example
-```
-import stringLength from 'string-length';
+	@example
+	```
+	import stringLength = require('string-length');
 
-'🐴'.length;
-//=> 2
+	'🐴'.length;
+	//=> 2
 
-stringLength('🐴');
-//=> 1
+	stringLength('🐴');
+	//=> 1
 
-stringLength('\u001B[1municorn\u001B[22m');
-//=> 7
-```
-*/
-export default function stringLength(string: string): number;
+	stringLength('\u001B[1municorn\u001B[22m');
+	//=> 7
+	```
+	*/
+	(string: string): number;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function stringLength(string: string): number;
+	// export = stringLength;
+	default: typeof stringLength;
+};
+
+export = stringLength;

index.js

@@ -5,4 +5,5 @@ const astralRegex = require('astral-regex');
 const stringLength = string => stripAnsi(string).replace(astralRegex(), ' ').length;
 
 module.exports = stringLength;
+// TODO: Remove this for the next major release
 module.exports.default = stringLength;

index.test-d.ts

@@ -1,5 +1,5 @@
-import {expectType} from 'tsd-check';
-import stringLength from '.';
+import {expectType} from 'tsd';
+import stringLength = require('.');
 
 expectType<number>(stringLength('🐴'));
 expectType<number>(stringLength('\u001B[1municorn\u001B[22m'));

package.json

@@ -13,7 +13,7 @@
 		"node": ">=8"
 	},
 	"scripts": {
-		"test": "xo && ava && tsd-check"
+		"test": "xo && ava && tsd"
 	},
 	"files": [
 		"index.js",
@@ -35,11 +35,11 @@
 	],
 	"dependencies": {
 		"astral-regex": "^1.0.0",
-		"strip-ansi": "^5.1.0"
+		"strip-ansi": "^5.2.0"
 	},
 	"devDependencies": {
-		"ava": "^1.3.1",
-		"tsd-check": "^0.5.0",
+		"ava": "^1.4.1",
+		"tsd": "^0.7.1",
 		"xo": "^0.24.0"
 	}
 }