add types for windows-mutex (#40873)

types/windows-mutex/index.d.ts

@@ -0,0 +1,12 @@
+// Type definitions for windows-mutex 0.4
+// Project: https://github.com/Microsoft/node-windows-mutex
+// Definitions by: Benjamin Pasero <https://github.com/bpasero>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export class Mutex {
+    constructor(name: string);
+    isActive(): boolean;
+    release(): void;
+}
+
+export function isActive(name: string): boolean;

types/windows-mutex/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "windows-mutex-tests.ts"
+    ]
+}

types/windows-mutex/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }

types/windows-mutex/windows-mutex-tests.ts

@@ -0,0 +1,8 @@
+import * as windowsMutex from "windows-mutex";
+
+const name = 'mutex-name';
+
+windowsMutex.isActive(name);
+const mutex = new windowsMutex.Mutex(name);
+mutex.isActive();
+mutex.release();