Add type definitions for 'printf' (#14821)

* Add definitions for 'printf'

* Add "lib" to tsconfig.json

* Fix link

printf/index.d.ts

@@ -0,0 +1,10 @@
+// Type definitions for printf 0.2
+// Project: https://github.com/adaltas/node-printf
+// Definitions by: Aluísio Augusto Silva Gonçalves <https://github.com/AluisioASG>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+export = printf;
+declare function printf(format: string, ...args: any[]): string;
+declare function printf(writeStream: NodeJS.WritableStream, format: string, ...args: any[]): void;

printf/printf-tests.ts

@@ -0,0 +1,9 @@
+import printf = require("printf");
+
+printf('%c', 0x7f).charCodeAt(0);
+printf('%2$s: %1$O', {hello: 'Node'}, 'Test');
+printf('%(temperature)s %(crevace)ss', {
+    temperature: 'Hot',
+    crevace: 'Pocket',
+});
+printf(process.stdout, '%2$s: %1$O', {hello: 'Node'}, 'Test');

printf/tsconfig.json

@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "printf-tests.ts"
+    ]
+}

printf/tslint.json

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