[stdin] introduce typings (#36866)

* [stdin] introduce typings

* [stdin] use `any` instead of `unknown`

types/stdin/index.d.ts

@@ -0,0 +1,8 @@
+// Type definitions for stdin 0.0
+// Project: https://www.npmjs.com/package/stdin
+// Definitions by: Gareth Jones <https://github.com/g-rath>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = stdin;
+
+declare function stdin(fn: (str: string) => any): void;

types/stdin/stdin-tests.ts

@@ -0,0 +1,12 @@
+import stdin = require('stdin');
+
+stdin(); // $ExpectError
+stdin((num: number) => {}); // $ExpectError
+
+stdin(() => {}); // $ExpectType void
+stdin(str => {}); // $ExpectType void
+stdin(str => undefined); // $ExpectType void
+stdin(str => 1); // $ExpectType void
+stdin(str => str); // $ExpectType void
+stdin(str => []); // $ExpectType void
+stdin(str => ({})); // $ExpectType void

types/stdin/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",
+        "stdin-tests.ts"
+    ]
+}

types/stdin/tslint.json

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