Add types for pkg-up (#30570)

types/pkg-up/index.d.ts

@@ -0,0 +1,12 @@
+// Type definitions for pkg-up 2.0
+// Project: https://github.com/sindresorhus/pkg-up#readme
+// Definitions by: Emily Marigold Klassen <https://github.com/forivall>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = pkgUp;
+
+declare function pkgUp(cwd?: string): Promise<string>;
+
+declare namespace pkgUp {
+    function sync(cwd?: string): string;
+}

types/pkg-up/pkg-up-tests.ts

@@ -0,0 +1,6 @@
+import pkgUp = require('pkg-up');
+
+pkgUp().then(filepath => {
+    filepath;
+    // => '/Users/sindresorhus/foo/package.json'
+});

types/pkg-up/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "pkg-up-tests.ts"
+    ]
+}

types/pkg-up/tslint.json

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