Add minProperties/maxProperties

.github/actions/environment/action.yml

@@ -0,0 +1,40 @@
+name: Setup environment
+description: Setup environment with Node.js, Deno and pnpm
+
+runs:
+  using: composite
+  steps:
+    - name: Setup pnpm
+      uses: pnpm/action-setup@v4
+      with:
+        version: 9
+        run_install: false
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        registry-url: 'https://registry.npmjs.org'
+        cache: pnpm
+
+    - name: Setup Deno
+      uses: denoland/setup-deno@v2
+      with:
+        deno-version: v2.x
+
+    - name: Install dependencies
+      shell: bash
+      run: pnpm install
+
+    - name: Create library build cache
+      id: library-build-cache
+      uses: actions/cache@v4
+      with:
+        path: ${{ github.workspace }}/library/dist
+        key: library-build-cache-${{ hashFiles('library/src/**/*.ts', '!library/src/**/*.test.ts', '!library/src/**/*.test-d.ts') }}
+
+    - name: Build library
+      if: steps.library-build-cache.outputs.cache-hit != 'true'
+      shell: bash
+      run: pnpm build
+      working-directory: library

.github/workflows/ci.yml

@@ -11,24 +11,21 @@ jobs:
     name: Install packages
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
 
-  library_build:
-    name: Build and publish library
+  library_preview:
+    name: Publish library via pkg.pr.new
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
-      - name: Build
-        run: pnpm build
-        working-directory: library
-      - name: Publish
+      - name: Setup environment
+        uses: ./.github/actions/environment
+      - name: Publish library
         run: pnpx pkg-pr-new publish --compact --comment=update --pnpm
         working-directory: library
 
@@ -37,10 +34,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: Prettier check
         run: pnpm format.check
         working-directory: library
@@ -50,10 +47,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: ESLint check
         run: pnpm lint
         working-directory: library
@@ -63,10 +60,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: Vitest tests
         run: pnpm test
         working-directory: library
@@ -76,10 +73,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: Prettier check
         run: pnpm format.check
         working-directory: packages/to-json-schema
@@ -89,10 +86,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: ESLint check
         run: pnpm lint
         working-directory: packages/to-json-schema
@@ -102,10 +99,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: Vitest tests
         run: pnpm test
         working-directory: packages/to-json-schema
@@ -115,10 +112,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: Prettier check
         run: pnpm format.check
         working-directory: website
@@ -128,10 +125,10 @@ jobs:
     needs: install
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
-        uses: ./.github/actions/pnpm
+      - name: Setup environment
+        uses: ./.github/actions/environment
       - name: ESLint check
         run: pnpm lint
         working-directory: website

.github/workflows/publish.yml

@@ -18,14 +18,14 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
+      - name: Setup environment
         uses: ./.github/actions/pnpm
-      - name: Build
+      - name: Build library
         run: pnpm build
         working-directory: library
-      - name: Publish
+      - name: Publish library
         run: pnpm publish --provenance --access public --no-git-checks
         working-directory: library
         continue-on-error: true
@@ -40,9 +40,9 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Publish
+      - name: Publish library
         run: npx jsr publish
         working-directory: library
 
@@ -54,14 +54,14 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
+      - name: Setup environment
         uses: ./.github/actions/pnpm
-      - name: Build
+      - name: Build i18n
         run: pnpm build.npm
         working-directory: packages/i18n
-      - name: Publish
+      - name: Publish i18n
         run: pnpm publish --provenance --access public --no-git-checks
         working-directory: packages/i18n
         continue-on-error: true
@@ -76,14 +76,14 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
+      - name: Setup environment
         uses: ./.github/actions/pnpm
-      - name: Build
+      - name: Build i18n
         run: pnpm build.jsr
         working-directory: packages/i18n
-      - name: Publish
+      - name: Publish i18n
         run: npx jsr publish --allow-dirty
         working-directory: packages/i18n
 
@@ -95,14 +95,14 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
+      - name: Setup environment
         uses: ./.github/actions/pnpm
-      - name: Build
+      - name: Build to-json-schema
         run: pnpm build
         working-directory: packages/to-json-schema
-      - name: Publish
+      - name: Publish to-json-schema
         run: pnpm publish --provenance --access public --no-git-checks
         working-directory: packages/to-json-schema
         continue-on-error: true
@@ -117,13 +117,10 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup pnpm
+      - name: Setup environment
         uses: ./.github/actions/pnpm
-      - name: Build
-        run: pnpm build
-        working-directory: library
-      - name: Publish
+      - name: Publish to-json-schema
         run: npx jsr publish
         working-directory: packages/to-json-schema

library/CHANGELOG.md

@@ -5,6 +5,7 @@ All notable changes to the library will be documented in this file.
 ## vX.X.X (Month DD, YYYY)
 
 - Add `message` method to overwrite local error message configuration of a schema (pull request #1103)
+- Add `minProps` and `maxProps` validation action to validate number of object properties (pull request #1100)
 - Change implementation of `variant` and `variantAsync` schema to improve performance by aborting validation of discriminators early (pull request #1110)
 
 ## v1.0.0 (March 18, 2025)

library/src/actions/index.ts

@@ -46,6 +46,7 @@ export * from './mapItems/index.ts';
 export * from './maxBytes/index.ts';
 export * from './maxGraphemes/index.ts';
 export * from './maxLength/index.ts';
+export * from './maxProps/index.ts';
 export * from './maxSize/index.ts';
 export * from './maxValue/index.ts';
 export * from './maxWords/index.ts';
@@ -54,6 +55,7 @@ export * from './mimeType/index.ts';
 export * from './minBytes/index.ts';
 export * from './minGraphemes/index.ts';
 export * from './minLength/index.ts';
+export * from './minProps/index.ts';
 export * from './minSize/index.ts';
 export * from './minValue/index.ts';
 export * from './minWords/index.ts';

library/src/actions/maxProps/index.ts

@@ -0,0 +1 @@
+export * from './maxProps.ts';

library/src/actions/maxProps/maxProps.test-d.ts

@@ -0,0 +1,51 @@
+import { describe, expectTypeOf, test } from 'vitest';
+import type { InferInput, InferIssue, InferOutput } from '../../types/index.ts';
+import {
+  maxProps,
+  type MaxPropsAction,
+  type MaxPropsIssue,
+} from './maxProps.ts';
+
+describe('maxProps', () => {
+  type Input = Record<string, number>;
+
+  describe('should return action object', () => {
+    test('with undefined message', () => {
+      type Action = MaxPropsAction<Input, 10, undefined>;
+      expectTypeOf(maxProps<Input, 10>(10)).toEqualTypeOf<Action>();
+      expectTypeOf(
+        maxProps<Input, 10, undefined>(10, undefined)
+      ).toEqualTypeOf<Action>();
+    });
+
+    test('with string message', () => {
+      expectTypeOf(maxProps<Input, 10, 'message'>(10, 'message')).toEqualTypeOf<
+        MaxPropsAction<Input, 10, 'message'>
+      >();
+    });
+
+    test('with function message', () => {
+      expectTypeOf(
+        maxProps<Input, 10, () => string>(10, () => 'message')
+      ).toEqualTypeOf<MaxPropsAction<Input, 10, () => string>>();
+    });
+  });
+
+  describe('should infer correct types', () => {
+    type Action = MaxPropsAction<Input, 10, undefined>;
+
+    test('of input', () => {
+      expectTypeOf<InferInput<Action>>().toEqualTypeOf<Input>();
+    });
+
+    test('of output', () => {
+      expectTypeOf<InferOutput<Action>>().toEqualTypeOf<Input>();
+    });
+
+    test('of issue', () => {
+      expectTypeOf<InferIssue<Action>>().toEqualTypeOf<
+        MaxPropsIssue<Input, 10>
+      >();
+    });
+  });
+});