Merge branch 'main' into copilot/extract-netlify-artifact-step

Author: dubzzz

.all-contributorsrc

@@ -497,6 +497,13 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/1649120?v=4",
       "profile": "https://github.com/dmurvihill",
       "contributions": ["code"]
+    },
+    {
+      "login": "emilianbold",
+      "name": "Emi",
+      "avatar_url": "https://avatars.githubusercontent.com/u/991554?v=4",
+      "profile": "https://github.com/emilianbold",
+      "contributions": ["code"]
     }
   ],
   "contributorsPerLine": 7

.changeset/rare-rooms-rush.md

@@ -0,0 +1,5 @@
+---
+'fast-check': patch
+---
+
+Performance: use Math.imul and bit shift in performance-critical paths. Improves float generation performance by ~7.5%.

.github/workflows/build-status.yml

@@ -205,19 +205,19 @@ jobs:
     runs-on: ${{matrix.os}}
     strategy:
       matrix:
-        node-version: [20.x, 22.x, 24.5] # TODO - 24.5 should be replaced by latest, once we understand why snippets.spec.mjs started to fail with 24.6.0
+        node-version: [20.x, 22.x, 24.x, latest]
         os: ['ubuntu-latest']
         shard: ['1/1']
         include:
-          - node-version: 22.x
+          - node-version: 24.x
             os: 'macos-latest'
             shard: '1/1'
-          # - node-version: 22.x
-          #   os: 'windows-latest'
-          #   shard: '1/2'
-          # - node-version: 22.x
-          #   os: 'windows-latest'
-          #   shard: '2/2'
+          - node-version: 24.x
+            os: 'windows-latest'
+            shard: '1/2'
+          - node-version: 24.x
+            os: 'windows-latest'
+            shard: '2/2'
     env:
       ENABLE_COVERAGE: ${{ matrix.os == 'macos-latest' }}
       SKIP_EXPENSIVE: ${{ matrix.os == 'windows-latest' }}
@@ -519,8 +519,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -572,8 +570,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -625,8 +621,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -678,8 +672,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -731,8 +723,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -784,8 +774,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -837,8 +825,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -890,8 +876,6 @@ jobs:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'
           check-latest: true
-      - name: Update npm
-        run: npm install -g npm@latest # TODO - To be dropped once npm 11.5.1 or later becomes the default
       - name: Download production packages
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:

.github/workflows/validate-pr-title.yml

@@ -0,0 +1,53 @@
+name: Validate PR title
+
+on:
+  pull_request:
+    types: [opened, edited, reopened]
+    branches:
+      - main
+      - 'next-*_*_*'
+      - 'fix-v*'
+
+jobs:
+  validate-pr-title:
+    name: 'Validate PR title'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Validate PR title
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const prTitle = context.payload.pull_request.title;
+
+            const match = prTitle.match(/^([\p{Emoji}\uFE0F\u200d]+)(?:\(([a-z-]+)\)\s*)? ([^ ].+)$/u);
+            if (match === null) {
+              core.setFailed('❌ Invalid format');
+              return;
+            }
+
+            const [, emoji, packageName, description] = match;
+            if (packageName !== undefined) {
+              const packagesDir = path.join(process.env.GITHUB_WORKSPACE, 'packages');
+              const packages =
+                fs.readdirSync(packagesDir, { withFileTypes: true })
+                .filter(dirent => dirent.isDirectory())
+                .map(dirent => dirent.name)
+                .filter(name => name !== 'fast-check');
+              if (!packages.includes(packageName)) {
+                core.setFailed('❌ Invalid package name');
+                return;
+              }
+            }
+
+            if (!description.trim()) {
+              core.setFailed('❌ Missing description');
+              return;
+            }
+
+            console.log('✅ Valid PR title');

examples/package.json

@@ -26,7 +26,7 @@
     "@types/supertest": "^6.0.3",
     "happy-dom": "^20.0.10",
     "typescript": "~5.9.3",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.5"
   },
   "author": "Nicolas DUBIEN <[email protected]>",
   "license": "MIT"

package.json

@@ -26,14 +26,14 @@
     "changelog": "changeset status",
     "pack:all": "pnpm --filter {./packages/**} --parallel exec pnpm pack --out package.tgz",
     "unpack:all": "pnpm --filter {./packages/**} --parallel exec tar -xf package.tgz --strip-components=1 --exclude='package/package.json'",
-    "update:documentation": "cross-env UPDATE_CODE_SNIPPETS=true pnpm run test --project fast-check:e2e test/e2e/documentation"
+    "update:documentation": "cross-env UPDATE_CODE_SNIPPETS=true pnpm run test --project fast-check test/e2e/documentation"
   },
   "devDependencies": {
     "@changesets/cli": "^2.29.7",
     "@eslint/js": "^9.39.1",
     "@fast-check/packaged": "*",
     "@typescript-eslint/utils": "^8.46.3",
-    "@vitest/coverage-v8": "^3.0.9",
+    "@vitest/coverage-v8": "^4.0.5",
     "all-contributors-cli": "^6.26.1",
     "cross-env": "^10.1.0",
     "eslint": "^9.39.1",
@@ -44,6 +44,6 @@
     "publint": "^0.3.15",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.3",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.5"
   }
 }

packages/ava/package.json

@@ -59,8 +59,8 @@
     "fast-check": "workspace:*",
     "rxjs": "^7.8.2",
     "typescript": "~5.9.3",
-    "vite": "^7.1.12",
-    "vitest": "^3.2.4"
+    "vite": "^7.2.1",
+    "vitest": "^4.0.5"
   },
   "keywords": [
     "ava",

packages/fast-check/README.md

@@ -232,6 +232,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/matthyk"><img src="https://avatars.githubusercontent.com/u/53833818?v=4?s=100" width="100px;" alt="Matthias Keckl"/><br /><sub><b>Matthias Keckl</b></sub></a><br /><a href="https://github.com/dubzzz/fast-check/commits?author=matthyk" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/dmurvihill"><img src="https://avatars.githubusercontent.com/u/1649120?v=4?s=100" width="100px;" alt="Dolan Murvihill"/><br /><sub><b>Dolan Murvihill</b></sub></a><br /><a href="https://github.com/dubzzz/fast-check/commits?author=dmurvihill" title="Code">💻</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/emilianbold"><img src="https://avatars.githubusercontent.com/u/991554?v=4?s=100" width="100px;" alt="Emi"/><br /><sub><b>Emi</b></sub></a><br /><a href="https://github.com/dubzzz/fast-check/commits?author=emilianbold" title="Code">💻</a></td>
+    </tr>
   </tbody>
 </table>
 

packages/fast-check/package.json

@@ -77,7 +77,7 @@
     "replace-in-file": "^8.3.0",
     "typedoc": "^0.28.14",
     "typescript": "~5.9.3",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.5"
   },
   "keywords": [
     "property-based testing",

packages/fast-check/src/arbitrary/_internals/builders/AnyArbitraryBuilder.ts

@@ -3,7 +3,6 @@ import type { Arbitrary } from '../../../check/arbitrary/definition/Arbitrary';
 import { stringify } from '../../../utils/stringify';
 import { array } from '../../array';
 import { oneof } from '../../oneof';
-import { tuple } from '../../tuple';
 import { bigInt } from '../../bigInt';
 import { date } from '../../date';
 import { float32Array } from '../../float32Array';
@@ -17,31 +16,14 @@ import { uint8Array } from '../../uint8Array';
 import { uint8ClampedArray } from '../../uint8ClampedArray';
 import { sparseArray } from '../../sparseArray';
 import type { QualifiedObjectConstraints } from '../helpers/QualifiedObjectConstraints';
-import { arrayToMapMapper, arrayToMapUnmapper } from '../mappers/ArrayToMap';
 import { arrayToSetMapper, arrayToSetUnmapper } from '../mappers/ArrayToSet';
 import { letrec } from '../../letrec';
 import type { SizeForArbitrary } from '../helpers/MaxLengthFromMinLength';
 import { uniqueArray } from '../../uniqueArray';
 import type { DepthIdentifier } from '../helpers/DepthContext';
 import { createDepthIdentifier } from '../helpers/DepthContext';
 import { dictionary } from '../../dictionary';
-
-/** @internal */
-function mapOf<T, U>(
-  ka: Arbitrary<T>,
-  va: Arbitrary<U>,
-  maxKeys: number | undefined,
-  size: SizeForArbitrary | undefined,
-  depthIdentifier: DepthIdentifier,
-) {
-  return uniqueArray(tuple(ka, va), {
-    maxLength: maxKeys,
-    size,
-    comparator: 'SameValueZero',
-    selector: (t) => t[0],
-    depthIdentifier,
-  }).map(arrayToMapMapper, arrayToMapUnmapper);
-}
+import { map } from '../../map';
 
 /** @internal */
 function dictOf<U>(
@@ -129,8 +111,8 @@ export function anyArbitraryBuilder(constraints: QualifiedObjectConstraints): Ar
     set: setOf(tie('anything'), maxKeys, size, depthIdentifier),
     // Map<key, anything> | Map<anything, anything>
     map: oneof(
-      mapOf(tie('keys') as Arbitrary<string>, tie('anything'), maxKeys, size, depthIdentifier),
-      mapOf(tie('anything'), tie('anything'), maxKeys, size, depthIdentifier),
+      map(tie('keys') as Arbitrary<string>, tie('anything'), { maxKeys, size, depthIdentifier }),
+      map(tie('anything'), tie('anything'), { maxKeys, size, depthIdentifier }),
     ),
     // {[key:string]: anything}
     object: dictOf(