Add types for native-duplexpair (DefinitelyTyped#57482)

* Add types for native-duplexpair

* Update tslint.json

Co-authored-by: Nathan Shively-Sanders <[email protected]>

Author: pimterry

types/native-duplexpair/index.d.ts

@@ -0,0 +1,16 @@
+// Type definitions for native-duplexpair 1.0
+// Project: https://github.com/tediousjs/native-duplexpair#readme
+// Definitions by: Tim Perry <https://github.com/pimterry>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+/// <reference types="node" />
+
+import { Duplex, DuplexOptions } from 'stream';
+
+declare class DuplexPair {
+    readonly socket1: Duplex;
+    readonly socket2: Duplex;
+
+    constructor(options?: DuplexOptions);
+}
+
+export = DuplexPair;

types/native-duplexpair/native-duplexpair-tests.ts

@@ -0,0 +1,12 @@
+// Taken straight from the package README:
+import DuplexPair = require('native-duplexpair');
+
+const { socket1, socket2 } = new DuplexPair();
+
+socket1.write('Hi');
+console.log(socket2.read());  // => <Buffer 48 69>
+
+const { socket1: encodedSocket1, socket2: encodedSocket2 } = new DuplexPair({ encoding: 'utf8' });
+
+socket1.write('Hi');
+console.log(socket2.read());  // => 'Hi'

types/native-duplexpair/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",
+        "native-duplexpair-tests.ts"
+    ]
+}

types/native-duplexpair/tslint.json

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