Add types for 'promisify-node' (#12386)

* Added types for 'promisify-node'

* Optional boolean param instead of default value

promisify-node/index.d.ts

@@ -0,0 +1,17 @@
+// Type definitions for promisify-node 0.4.0
+// Project: https://github.com/nodegit/promisify-node
+// Definitions by: Borek Bernard <https://github.com/borekb>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+
+export = promisify;
+
+/**
+ * Public API for Promisify.  Will resolve modules names using `require`.
+ *
+ * @param {*} name - Can be a module name, object, or function.
+ * @param {Function} test - Optional function to identify async methods.
+ * @param {Boolean} noMutate - Optional set to true to avoid mutating the target.
+ * @returns {*} exports - The resolved value from require or passed in value.
+ */
+declare function promisify(name: string | Object | Function, test?: Function, noMutate?: boolean): any;

promisify-node/promisify-node-tests.ts

@@ -0,0 +1,7 @@
+import promisify = require('promisify-node');
+
+let fs = promisify('fs');
+
+fs.readFile('example.txt').then((content: any) => {
+    console.log(content);
+});

promisify-node/tsconfig.json

@@ -0,0 +1,19 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "promisify-node-tests"
+    ]
+}