From 04010c6d98ada10445c58121f9387326c9bbefa3 Mon Sep 17 00:00:00 2001
From: Tom Wolfe <trwolfe13@gmail.com>
Date: Fri, 23 Mar 2018 14:59:04 +0000
Subject: [PATCH] Fix random provider.

---
 package-lock.json              | 16 ++++++++++++++--
 package.json                   |  6 +++++-
 src/default-random-provider.ts | 10 ++++++++--
 3 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 502e2f9..aca289d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,13 +1,20 @@
 {
   "name": "dice-typescript",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@types/jasmine": {
       "version": "2.8.6",
       "resolved": "https://registry.npmjs.org/@types/jasmine/-/jasmine-2.8.6.tgz",
-      "integrity": "sha512-clg9raJTY0EOo5pVZKX3ZlMjlYzVU73L71q5OV1jhE2Uezb7oF94jh4CvwrW6wInquQAdhOxJz5VDF2TLUGmmA=="
+      "integrity": "sha512-clg9raJTY0EOo5pVZKX3ZlMjlYzVU73L71q5OV1jhE2Uezb7oF94jh4CvwrW6wInquQAdhOxJz5VDF2TLUGmmA==",
+      "dev": true
+    },
+    "@types/random-js": {
+      "version": "1.0.30",
+      "resolved": "https://registry.npmjs.org/@types/random-js/-/random-js-1.0.30.tgz",
+      "integrity": "sha512-WjnCxSADI8zNFkwwQYzBbYDOMOsX//gzxS7rLvms4E8dEcHPrKzoi4FZXebYLKlTpaWSSqHT3Fp9TkDAiNW5rw==",
+      "dev": true
     },
     "abbrev": {
       "version": "1.0.9",
@@ -3813,6 +3820,11 @@
       "integrity": "sha1-nsYfeQSYdXB9aUFFlv2Qek1xHnM=",
       "dev": true
     },
+    "random-js": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/random-js/-/random-js-1.0.8.tgz",
+      "integrity": "sha1-lo/WiabyXWwKrHZig94vaIycGQo="
+    },
     "randomatic": {
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-1.1.7.tgz",
diff --git a/package.json b/package.json
index ffceba5..1056fca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dice-typescript",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "A TypeScript library for parsing dice rolling expressions, most commonly used in tabletop RPGs.",
   "main": "./dist/index.js",
   "scripts": {
@@ -36,6 +36,7 @@
   "homepage": "https://github.com/trwolfe13/dice#readme",
   "devDependencies": {
     "@types/jasmine": "^2.8.6",
+    "@types/random-js": "^1.0.30",
     "codacy-coverage": "^2.0.2",
     "istanbul": "^0.4.5",
     "jasmine-core": "2.5.2",
@@ -46,5 +47,8 @@
     "rimraf": "^2.6.1",
     "tslint": "^5.4.3",
     "typescript": "^2.4.1"
+  },
+  "dependencies": {
+    "random-js": "^1.0.8"
   }
 }
diff --git a/src/default-random-provider.ts b/src/default-random-provider.ts
index ed7339a..1b3fe34 100644
--- a/src/default-random-provider.ts
+++ b/src/default-random-provider.ts
@@ -1,9 +1,15 @@
 import { RandomProvider } from "./random-provider";
+import * as Random from "random-js";
 
 export class DefaultRandomProvider implements RandomProvider {
-    constructor() { }
+
+    private random: Random;
+
+    constructor() {
+        this.random = new Random(Random.engines.mt19937().autoSeed());
+    }
 
     numberBetween(min: number, max: number) {
-          return Math.floor(Math.random() * (max - min + 1)) + min;
+        return this.random.integer(min, max);
     }
 }