Merge pull request #17900 from wanganjun/master

add arrify 1.0.1

types/arrify/arrify-tests.ts

@@ -0,0 +1,14 @@
+import arrify = require("arrify");
+
+arrify(null);
+arrify<number>(null);
+
+arrify(undefined);
+arrify<number>(undefined);
+
+arrify(1);
+arrify([2, 3]);
+
+function test(val?: string | string[]) {
+    arrify(val);
+}

types/arrify/index.d.ts

@@ -0,0 +1,18 @@
+// Type definitions for arrify 1.0.1
+// Project: https://github.com/sindresorhus/arrify
+// Definitions by: AnJun Wang <https://github.com/wanganjun>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * @example
+ * arrify(undefined) // returns []
+ * @example
+ * arrify(null)      // returns []
+ * @example
+ * arrify(1)         // returns [1]
+ * @example
+ * arrify([2, 3])    // returns [2, 3]
+ * @param val
+ */
+declare function arrify<T>(val: undefined | null | T | T[]): T[];
+export = arrify;

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