Add typings for seedrandom 2.4.2

seedrandom/seedrandom-tests.ts

@@ -0,0 +1,25 @@
+import seedrandom = require("seedrandom");
+
+var rng = seedrandom("hello.");
+var n = rng();
+
+seedrandom("hello.", {global: true});
+n = Math.random();
+
+rng = seedrandom();
+n = rng();
+
+rng = seedrandom('added entropy.', { entropy: true });
+n = rng();
+
+var rng2 = seedrandom.xor4096('hello.');
+n = rng2();
+
+n = rng.quick();
+n = rng.int32();
+n = rng.double();
+
+var saveable = seedrandom("secret-seed", {state: true});
+for (var j = 0; j < 1e5; ++j) saveable();
+var saved = saveable.state();
+var replica = seedrandom("", {state: saved});

seedrandom/seedrandom.d.ts

@@ -0,0 +1,43 @@
+// Type definitions for seedrandom 2.4.2
+// Project: https://github.com/davidbau/seedrandom
+// Definitions by: Kern Handa <https://github.com/kernhanda>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare type seedrandomStateType = boolean | (() => prng);
+
+interface prng {
+  new(seed?: string, options?: seedRandomOptions, callback?: any): prng;
+  (): number;
+  quick(): number;
+  int32(): number;
+  double(): number;
+  state(): () => prng;
+}
+
+interface seedrandom_prng {
+  (seed?: string, options?: seedRandomOptions, callback?: any): prng;
+  alea: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+  xor128: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+  tychei: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+  xorwow: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+  xor4096: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+  xorshift7: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+  quick: (seed?: string, options?: seedRandomOptions, callback?: seedrandomCallback) => prng;
+}
+
+interface seedrandomCallback {
+  (prng?: prng, shortseed?: string, global?: boolean, state?: seedrandomStateType): prng;
+}
+
+interface seedRandomOptions {
+  entropy?: boolean;
+  'global'?: boolean;
+  state?: seedrandomStateType;
+  pass?: seedrandomCallback;
+}
+
+declare var seedrandom: seedrandom_prng;
+
+declare module "seedrandom" {
+  export = seedrandom;
+}