[math-random] Add libdefs for math-random (#2922)

* [math-random] Add libdefs for math-random * Fix broken test
flow-typed · Oct 31, 2018 · c7e1020 · c7e1020
1 parent 8b4d9bf
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diff --git a/definitions/npm/math-random_v1.x.x/flow_v0.82.x-/math-random_v1.x.x.js b/definitions/npm/math-random_v1.x.x/flow_v0.82.x-/math-random_v1.x.x.js
@@ -0,0 +1,6 @@
+declare module "math-random" {
+  declare module.exports: {
+    (): number,
+    cryptographic: ?boolean
+  };
+}
diff --git a/definitions/npm/math-random_v1.x.x/test_math-random_v1.x.x.js b/definitions/npm/math-random_v1.x.x/test_math-random_v1.x.x.js
@@ -0,0 +1,22 @@
+// @flow
+
+import { describe, it } from "flow-typed-test";
+import random from "math-random";
+
+describe("math-random", () => {
+  it("does not expect any arguments", () => {
+    random();
+    // $ExpectError
+    random(null);
+    // $ExpectError
+    random({});
+    // $ExpectError
+    random("test");
+    // $ExpectError
+    random(5);
+  });
+
+  it('provides a property to check if random is "cryptographic"', () => {
+    (random.cryptographic: ?boolean);
+  });
+});