From 17263f21e750363a8ca8b932100baa431a40420a Mon Sep 17 00:00:00 2001
From: Richard King <richrdkng@gmail.com>
Date: Sat, 2 Sep 2023 18:00:10 +0200
Subject: [PATCH] feat(library): add SeededGrandom seedable random generator
 class

---
 .../src/Grandom/SeededGrandom/index.ts        | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 packages/library/src/Grandom/SeededGrandom/index.ts

diff --git a/packages/library/src/Grandom/SeededGrandom/index.ts b/packages/library/src/Grandom/SeededGrandom/index.ts
new file mode 100644
index 0000000..79795f2
--- /dev/null
+++ b/packages/library/src/Grandom/SeededGrandom/index.ts
@@ -0,0 +1,49 @@
+import MT19937Engine from '@grandom/engines/mt19937'
+
+import RandomBigInt from '@grandom/bigint/RandomBigInt'
+import RandomBoolean from '@grandom/boolean/RandomBoolean'
+import RandomNumber from '@grandom/number/RandomNumber'
+import RandomPick from '@grandom/pick/RandomPick'
+import RandomShuffle from '@grandom/shuffle/RandomShuffle'
+import RandomString from '@grandom/string/RandomString'
+import RandomWeighted from '@grandom/weighted/RandomWeighted'
+
+export default class SeededGrandom {
+  private readonly _engine: MT19937Engine
+
+  constructor () {
+    this._engine = new MT19937Engine()
+
+    const randomBigInt = new RandomBigInt(this._engine)
+    const randomBoolean = new RandomBoolean(this._engine)
+    const randomNumber = new RandomNumber(this._engine)
+    const randomPick = new RandomPick(this._engine)
+    const randomShuffle = new RandomShuffle(this._engine)
+    const randomString = new RandomString(this._engine)
+    const randomWeighted = new RandomWeighted(this._engine)
+
+    this.bigint = randomBigInt.bigint.bind(randomBigInt)
+    this.boolean = randomBoolean.boolean.bind(randomBoolean)
+    this.number = randomNumber.number
+    this.pick = randomPick.pick.bind(randomPick)
+    this.shuffle = randomShuffle.shuffle.bind(randomShuffle)
+    this.string = randomString.string.bind(randomString)
+    this.weighted = randomWeighted.weighted.bind(randomWeighted)
+  }
+
+  get seed (): any {
+    return this._engine.seed
+  }
+
+  set seed (seed: any) {
+    this._engine.seed = seed
+  }
+
+  bigint: InstanceType<typeof RandomBigInt>['bigint']
+  boolean: InstanceType<typeof RandomBoolean>['boolean']
+  number: InstanceType<typeof RandomNumber>['number']
+  pick: InstanceType<typeof RandomPick>['pick']
+  shuffle: InstanceType<typeof RandomShuffle>['shuffle']
+  string: InstanceType<typeof RandomString>['string']
+  weighted: InstanceType<typeof RandomWeighted>['weighted']
+}