add index.d.ts

README.md

@@ -43,7 +43,7 @@ require("protoc-binary").binary;
 ### `version`
 
 ```js
-/* Returns version of local protoc binary version */
+/* Returns version of local protoc binary */
 require("protoc-binary").version;
 ```
 

index.d.ts

@@ -0,0 +1,15 @@
+declare module "protoc-binary" {
+    /** Absolute path to local protoc binary */
+    export const binary: string;
+
+    /** Version of local protoc binary */
+    export const version: string | "";
+
+    /**
+     * Function wrapper for protoc binary
+     * @param {string[]} args protoc arguments
+     * @param {string} protoDir [optional] absolute path to dir containing .proto files
+     * @returns void
+     */
+    export function protoc(args: string[], protoDir?: string): void;
+}

index.js

@@ -13,7 +13,7 @@ module.exports = Object.freeze({
     /** Absolute path to local protoc binary */
     binary: consts.binary,
 
-    /** Version of local protoc binary version, or empty string */
+    /** Version of local protoc binary, or empty string */
     get version() { return getBinaryVersion(); },
 
     protoc