diff --git a/types/junk/index.d.ts b/types/junk/index.d.ts
new file mode 100644
index 0000000000..390847e1c0
--- /dev/null
+++ b/types/junk/index.d.ts
@@ -0,0 +1,17 @@
+// Type definitions for junk 2.1
+// Project: https://github.com/sindresorhus/junk#readme
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * Returns `true` if `filename` matches a junk file.
+ */
+export function is(filename: string): boolean;
+/**
+ * Returns `true` if `filename` doesn't match a junk file.
+ */
+export function not(filename: string): boolean;
+/**
+ * Regex used for matching.
+ */
+export const regex: RegExp;
diff --git a/types/junk/junk-tests.ts b/types/junk/junk-tests.ts
new file mode 100644
index 0000000000..848eded660
--- /dev/null
+++ b/types/junk/junk-tests.ts
@@ -0,0 +1,12 @@
+/// <reference types="node" />
+
+import fs = require('fs');
+import * as junk from 'junk';
+
+junk.is('foo'); // $ExpectType boolean
+junk.not('foo'); // $ExpectType boolean
+junk.regex; // $ExpectType RegExp
+
+fs.readdir('some/path', (err, files) => {
+    files.filter(junk.not);
+});
diff --git a/types/junk/tsconfig.json b/types/junk/tsconfig.json
new file mode 100644
index 0000000000..06710a9591
--- /dev/null
+++ b/types/junk/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",
+        "junk-tests.ts"
+    ]
+}
diff --git a/types/junk/tslint.json b/types/junk/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/junk/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }