From d340f9c740da4681cb6d25ffb34f5492a443c30d Mon Sep 17 00:00:00 2001
From: "claude[bot]" <209825114+claude[bot]@users.noreply.github.com>
Date: Fri, 6 Mar 2026 22:29:50 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=EF=B8=8F(worker)=20Bump=20pure-rand?=
 =?UTF-8?q?=20to=20v8=20(#6689)?=
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## Description

Bump `@fast-check/worker` to use pure-rand v8, mirroring the upgrade
done in the main `fast-check` package. Updates import paths from the
v7-style `pure-rand/generator/XorShift` to the v8-style
`pure-rand/generator/xorshift128plus`.

Related to #6679.

## Checklist

— _Don't delete this checklist and make sure you do the following before
opening the PR_

- [x] I have a full understanding of every line in this PR — whether the
code was hand-written, AI-generated, copied from external sources or
produced by any other tool
- [x] I flagged the impact of my change (minor / patch / major) either
by running `pnpm run bump` or by following the instructions from the
changeset bot
- [x] I kept this PR focused on a single concern and did not bundle
unrelated changes
- [x] I followed the [gitmoji](https://gitmoji.dev/) specification for
the name of the PR, including the package scope (e.g. `🐛(vitest)
Something...`) when the change targets a package other than `fast-check`
- [x] I added relevant tests and they would have failed without my PR
(when applicable)

---------

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Nicolas DUBIEN <dubzzz@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .changeset/worker-pure-rand-v8.md                            | 5 +++++
 packages/worker/package.json                                 | 2 +-
 packages/worker/src/internals/ValueFromState.ts              | 4 ++--
 .../worker-property/WorkerPropertyFromWorker.spec.ts         | 2 +-
 pnpm-lock.yaml                                               | 4 ++--
 5 files changed, 11 insertions(+), 6 deletions(-)
 create mode 100644 .changeset/worker-pure-rand-v8.md

diff --git a/.changeset/worker-pure-rand-v8.md b/.changeset/worker-pure-rand-v8.md
new file mode 100644
index 00000000..46d7ad3c
--- /dev/null
+++ b/.changeset/worker-pure-rand-v8.md
@@ -0,0 +1,5 @@
+---
+"@fast-check/worker": patch
+---
+
+⚡️ Bump pure-rand to v8
diff --git a/packages/worker/package.json b/packages/worker/package.json
index b71e20e4..65eb7e1c 100644
--- a/packages/worker/package.json
+++ b/packages/worker/package.json
@@ -31,7 +31,7 @@
   "homepage": "https://github.com/dubzzz/fast-check/tree/main/packages/worker#readme",
   "dependencies": {
     "fast-check": "^4.0.0",
-    "pure-rand": "^7.0.1"
+    "pure-rand": "^8.0.0"
   },
   "devDependencies": {
     "@fast-check/worker": "workspace:*",
diff --git a/packages/worker/src/internals/ValueFromState.ts b/packages/worker/src/internals/ValueFromState.ts
index 4b7b9411..601ecbd2 100644
--- a/packages/worker/src/internals/ValueFromState.ts
+++ b/packages/worker/src/internals/ValueFromState.ts
@@ -1,4 +1,4 @@
-import { xorshift128plus } from 'pure-rand/generator/XorShift';
+import { xorshift128plusFromState } from 'pure-rand/generator/xorshift128plus';
 import { Random } from 'fast-check';
 import type { IRawProperty } from 'fast-check';
 
@@ -12,6 +12,6 @@ export type ValueState = { rngState: number[]; runId: number | undefined };
  * @param state - The state defining the Value to be generated (the how)
  */
 export function generateValueFromState<Ts>(property: IRawProperty<Ts>, state: ValueState): Ts {
-  const mrng = new Random(xorshift128plus.fromState(state.rngState));
+  const mrng = new Random(xorshift128plusFromState(state.rngState));
   return property.generate(mrng, state.runId).value_;
 }
diff --git a/packages/worker/test/internals/worker-property/WorkerPropertyFromWorker.spec.ts b/packages/worker/test/internals/worker-property/WorkerPropertyFromWorker.spec.ts
index dbef1416..67b87c27 100644
--- a/packages/worker/test/internals/worker-property/WorkerPropertyFromWorker.spec.ts
+++ b/packages/worker/test/internals/worker-property/WorkerPropertyFromWorker.spec.ts
@@ -1,6 +1,6 @@
 import { WorkerPropertyFromWorker } from '../../../src/internals/worker-property/WorkerPropertyFromWorker.js';
 import fc from 'fast-check';
-import { xorshift128plus } from 'pure-rand/generator/XorShift';
+import { xorshift128plus } from 'pure-rand/generator/xorshift128plus';
 import { describe, it, expect, vi } from 'vitest';
 
 describe('WorkerPropertyFromWorker', () => {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fad11863..27e4fa85 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -314,8 +314,8 @@ importers:
         specifier: ^4.0.0
         version: link:../fast-check
       pure-rand:
-        specifier: ^7.0.1
-        version: 7.0.1
+        specifier: ^8.0.0
+        version: 8.0.0
     devDependencies:
       '@fast-check/worker':
         specifier: workspace:*
-- 
2.51.2