Only use a CommonJS export for the TypeScript definition

Author: sindresorhus

.travis.yml

@@ -1,4 +1,5 @@
 language: node_js
 node_js:
+  - '12'
   - '10'
   - '8'

index.d.ts

@@ -83,42 +83,35 @@ declare namespace slugify {
 	}
 }
 
-declare const slugify: {
-	/**
-	Slugify a string.
-
-	@param input - The string to slugify.
-
-	@example
-	```
-	import slugify = require('@sindresorhus/slugify');
-
-	slugify('I ♥ Dogs');
-	//=> 'i-love-dogs'
-
-	slugify('  Déjà Vu!  ');
-	//=> 'deja-vu'
-
-	slugify('fooBar 123 $#%');
-	//=> 'foo-bar-123'
-
-	slugify('I ♥ 🦄 & 🐶', {
-		customReplacements: [
-			['🐶', 'dog']
-		]
-	});
-	//=> 'i-love-unicorn-and-dog'
-	```
-	*/
-	(input: string, options?: slugify.Options): string;
-
-	// TODO: Remove this for the next major release, refactor the whole definition to:
-	// declare function slugify(
-	// 	input: string,
-	// 	options?: slugify.Options
-	// ): string;
-	// export = slugify;
-	default: typeof slugify;
-};
+/**
+Slugify a string.
+
+@param string - String to slugify.
+
+@example
+```
+import slugify = require('@sindresorhus/slugify');
+
+slugify('I ♥ Dogs');
+//=> 'i-love-dogs'
+
+slugify('  Déjà Vu!  ');
+//=> 'deja-vu'
+
+slugify('fooBar 123 $#%');
+//=> 'foo-bar-123'
+
+slugify('I ♥ 🦄 & 🐶', {
+	customReplacements: [
+		['🐶', 'dog']
+	]
+});
+//=> 'i-love-unicorn-and-dog'
+```
+*/
+declare function slugify(
+	string: string,
+	options?: slugify.Options
+): string;
 
 export = slugify;

package.json

@@ -41,12 +41,12 @@
 		"id"
 	],
 	"dependencies": {
-		"escape-string-regexp": "^1.0.5",
+		"escape-string-regexp": "^2.0.0",
 		"lodash.deburr": "^4.1.0"
 	},
 	"devDependencies": {
 		"ava": "^1.4.1",
-		"tsd": "^0.7.2",
+		"tsd": "^0.7.3",
 		"xo": "^0.24.0"
 	}
 }

readme.md

@@ -38,15 +38,17 @@ slugify('I ♥ 🦄 & 🐶', {
 
 ## API
 
-### slugify(input, [options])
+### slugify(string, [options])
 
-#### input
+#### string
 
 Type: `string`
 
+String to slugify.
+
 #### options
 
-Type: `Object`
+Type: `object`
 
 ##### separator