[getos] add typings (#18733)

types/getos/getos-tests.ts

@@ -0,0 +1,18 @@
+import getos = require('getos');
+
+getos((e, os) => {
+    if (e) {
+        return;
+    }
+
+    const thisOs: getos.Os = os;
+
+    if (os.os === 'linux') {
+        let str: string;
+        let strn: string | undefined;
+
+        str = os.dist;
+        str = os.release;
+        strn = os.codename;
+    }
+});

types/getos/index.d.ts

@@ -0,0 +1,30 @@
+// Type definitions for getos 3.0
+// Project: https://github.com/retrohacker/getos
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = getos;
+
+declare function getos(cb: (error: Error | null, os: getos.Os) => void): string;
+
+declare namespace getos {
+    type Os = OtherOs | LinuxOs;
+
+    interface OtherOs {
+        os: 'aix'
+            | 'android'
+            | 'darwin'
+            | 'freebsd'
+            | 'openbsd'
+            | 'sunos'
+            | 'win32'
+            | 'cygwin';
+    }
+
+    interface LinuxOs {
+        os: 'linux';
+        dist: string;
+        release: string;
+        codename?: string;
+    }
+}

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

types/getos/tslint.json

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