Refactor TypeScript definition to CommonJS compatible export (#4)

index.d.ts

@@ -1,13 +1,23 @@
-/**
- * Check if `input` is a ES2015 promise.
- *
- * @param input - Value to be checked.
- *
- * @example
- *
- * import isPromise from 'p-is-promise';
- *
- * isPromise(Promise.resolve('🦄'));
- * //=> true
- */
-export default function(input: unknown): input is Promise<unknown>;
+declare const pIsPromise: {
+	/**
+	Check if `input` is a ES2015 promise.
+
+	@param input - Value to be checked.
+
+	@example
+	```
+	import isPromise = require('p-is-promise');
+
+	isPromise(Promise.resolve('🦄'));
+	//=> true
+	```
+	*/
+	(input: unknown): input is Promise<unknown>;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function pIsPromise(input: unknown): input is Promise<unknown>;
+	// export = pIsPromise;
+	default: typeof pIsPromise;
+};
+
+export = pIsPromise;

index.js

@@ -11,4 +11,5 @@ const isPromise = input => (
 );
 
 module.exports = isPromise;
+// TODO: Remove this for the next major release
 module.exports.default = isPromise;

index.test-d.ts

@@ -1,5 +1,5 @@
-import {expectType} from 'tsd-check';
-import isPromise from '.';
+import {expectType} from 'tsd';
+import isPromise = require('.');
 
 expectType<boolean>(isPromise('🦄'));
 

package.json

@@ -13,7 +13,7 @@
 		"node": ">=6"
 	},
 	"scripts": {
-		"test": "xo && ava && tsd-check"
+		"test": "xo && ava && tsd"
 	},
 	"files": [
 		"index.js",
@@ -34,9 +34,9 @@
 		"bluebird"
 	],
 	"devDependencies": {
-		"ava": "^0.25.0",
-		"bluebird": "^3.4.6",
-		"tsd-check": "^0.2.1",
-		"xo": "^0.23.0"
+		"ava": "^1.4.1",
+		"bluebird": "^3.5.4",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
 	}
 }