[password-hash-and-salt] Add typings (#16073)

* Add password-hash-and-salt typings

* Fix lint error

* Improve export semantics

types/password-hash-and-salt/index.d.ts

@@ -0,0 +1,14 @@
+// Type definitions for password-hash-and-salt 0.1
+// Project: https://github.com/florianheinemann/password-hash-and-salt
+// Definitions by: Ali Taheri <https://github.com/alitaheri>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+interface Password {
+    hash(cb: (error: string, hash: string) => void): void;
+    verifyAgainst(hash: string, cb: (error: string, verified: boolean) => void): void;
+}
+
+declare function password(password: string): Password;
+declare namespace password {}
+
+export = password;

types/password-hash-and-salt/password-hash-and-salt-tests.ts

@@ -0,0 +1,23 @@
+import * as password from 'password-hash-and-salt';
+
+const myuser: { hash: string } = { hash: '' };
+
+// Creating hash and salt
+password('mysecret').hash((error, hash) => {
+	if (error)
+		throw new Error('Something went wrong!');
+
+	// Store hash (incl. algorithm, iterations, and salt)
+	myuser.hash = hash;
+
+	// Verifying a hash
+	password('hack').verifyAgainst(myuser.hash, (error, verified) => {
+		if (error)
+			throw new Error('Something went wrong!');
+		if (!verified) {
+			// Wrong!
+		} else {
+			// Correct!
+		}
+	});
+});

types/password-hash-and-salt/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",
+        "password-hash-and-salt-tests.ts"
+    ]
+}

types/password-hash-and-salt/tslint.json

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